SylvainDe / ComicBookMaker

comics.py

#! /usr/bin/python3
# vim: set expandtab tabstop=4 shiftwidth=4 :
"""Module to retrieve webcomics"""

from comic_abstract import GenericComic, get_date_for_comic
import re
from datetime import date, timedelta
import datetime
from urlfunctions import get_soup_at_url, urljoin_wrapper,\
    convert_iri_to_plain_ascii_uri, load_json_at_url, urlopen_wrapper
import json
import locale
import urllib

DEFAULT_LOCAL = 'en_GB.UTF-8'


class Xkcd(GenericComic):
    """Class to retrieve Xkcd comics."""
    name = 'xkcd'
    long_name = 'xkcd'
    url = 'http://xkcd.com'

    @classmethod
    def get_next_comic(cls, last_comic):
        """Generator to get the next comic. Implementation of GenericComic's abstract method."""
        first_num = last_comic['num'] if last_comic else 0
        last_num = load_json_at_url(
            urljoin_wrapper(cls.url, 'info.0.json'))['num']

        for num in range(first_num + 1, last_num + 1):
            if num != 404:
                json_url = urljoin_wrapper(cls.url, '%d/info.0.json' % num)
                comic = load_json_at_url(json_url)
                comic['img'] = [comic['img']]
                comic['prefix'] = '%d-' % num
                comic['json_url'] = json_url
                comic['url'] = urljoin_wrapper(cls.url, str(num))
                comic['day'] = int(comic['day'])
                comic['month'] = int(comic['month'])
                comic['year'] = int(comic['year'])
                assert comic['num'] == num
                yield comic


# Helper functions corresponding to get_url_from_link/get_url_from_archive_element


@classmethod
def get_href(cls, link):
    """Implementation of get_url_from_link/get_url_from_archive_element."""
    return link['href']


@classmethod
def join_cls_url_to_href(cls, link):
    """Implementation of get_url_from_link/get_url_from_archive_element."""
    return urljoin_wrapper(cls.url, link['href'])


class GenericNavigableComic(GenericComic):
    """Generic class for "navigable" comics : with first/next arrows.

    This class applies to comic where previous and next comics can be
    accessed from a given comic. Once given a starting point (either
    the first comic or the last comic retrieved), it will handle the
    navigation, the retrieval of the soup object and the setting of
    the 'url' attribute on retrieved comics. This limits a lot the
    amount of boilerplate code in the different implementation classes.

    The method `get_next_comic` methods is implemented in terms of new
    more specialized methods to be implemented/overridden:
        - get_first_comic_link
        - get_navi_link
        - get_comic_info
        - get_url_from_link
    """
    _categories = ('NAVIGABLE', )

    @classmethod
    def get_first_comic_link(cls):
        """Get link to first comics.

        Sometimes this can be retrieved of any comic page, sometimes on
        the archive page, sometimes it doesn't exist at all and one has
        to iterate backward to find it before hardcoding the result found.
        """
        raise NotImplementedError

    @classmethod
    def get_navi_link(cls, last_soup, next_):
        """Get link to next (or previous - for dev purposes) comic."""
        raise NotImplementedError

    @classmethod
    def get_comic_info(cls, soup, link):
        """Get information about a particular comics."""
        raise NotImplementedError

    @classmethod
    def get_url_from_link(cls, link):
        """Get url corresponding to a link. Default implementation is similar to get_href."""
        return link['href']

    @classmethod
    def get_next_link(cls, last_soup):
        """Get link to next comic."""
        link = cls.get_navi_link(last_soup, True)
        cls.log("Next link is %s" % link)
        return link

    @classmethod
    def get_prev_link(cls, last_soup):
        """Get link to previous comic."""
        link = cls.get_navi_link(last_soup, False)
        cls.log("Prev link is %s" % link)
        return link

    @classmethod
    def get_next_comic(cls, last_comic):
        """Generic implementation of get_next_comic for navigable comics."""
        url = last_comic['url'] if last_comic else None
        cls.log("starting 'get_next_comic' from %s" % url)
        next_comic = \
            cls.get_next_link(get_soup_at_url(url)) \
            if url else \
            cls.get_first_comic_link()
        cls.log("next/first comic will be %s (url is %s)" % (str(next_comic), url))
        # cls.check_navigation(url)
        while next_comic:
            prev_url, url = url, cls.get_url_from_link(next_comic)
            if prev_url == url:
                cls.log("got same url %s" % url)
                break
            cls.log("about to get %s (%s)" % (url, str(next_comic)))
            soup = get_soup_at_url(url)
            comic = cls.get_comic_info(soup, next_comic)
            if comic is not None:
                assert 'url' not in comic
                comic['url'] = url
                yield comic
            next_comic = cls.get_next_link(soup)
            cls.log("next comic will be %s" % str(next_comic))

    @classmethod
    def check_first_link(cls):
        """Check that navigation to first comic seems to be working - for dev purposes."""
        cls.log("about to check first link")
        ok = True
        firstlink = cls.get_first_comic_link()
        if firstlink is None:
            print("From %s : no first link" % cls.url)
            ok = False
        else:
            firsturl = cls.get_url_from_link(firstlink)
            try:
                get_soup_at_url(firsturl)
            except urllib.error.HTTPError:
                print("From %s : invalid first url" % cls.url)
                ok = False
        cls.log("checked first link -> returned %d" % ok)
        return ok

    @classmethod
    def check_prev_next_links(cls, url):
        """Check that navigation to prev/next from a given URL seems to be working - for dev purposes."""
        cls.log("about to check prev/next from %s" % url)
        ok = True
        if url is None:
            prevlink, nextlink = None, None
        else:
            soup = get_soup_at_url(url)
            prevlink, nextlink = cls.get_prev_link(soup), cls.get_next_link(soup)
        if prevlink is None and nextlink is None:
            print("From %s : no previous nor next" % url)
            ok = False
        else:
            if prevlink:
                prevurl = cls.get_url_from_link(prevlink)
                prevsoup = get_soup_at_url(prevurl)
                prevnextlink = cls.get_next_link(prevsoup)
                prevnext = cls.get_url_from_link(prevnextlink) if prevnextlink is not None else "NO URL"
                if prevnext != url:
                    print("From %s, going backward then forward leads to %s" % (url, prevnext))
                    ok = False
            if nextlink:
                nexturl = cls.get_url_from_link(nextlink)
                if nexturl != url:
                    nextsoup = get_soup_at_url(nexturl)
                    nextprevlink = cls.get_prev_link(nextsoup)
                    nextprev = cls.get_url_from_link(nextprevlink) if nextprevlink is not None else "NO URL"
                    if nextprev != url:
                        print("From %s, going forward then backward leads to %s" % (url, nextprev))
                        ok = False
        cls.log("checked prev/next from %s -> returned %d" % (url, ok))
        return ok

    @classmethod
    def check_navigation(cls, url):
        """Check that navigation functions seem to be working - for dev purposes."""
        cls.log("about to check navigation from %s" % url)
        first = cls.check_first_link()
        prevnext = cls.check_prev_next_links(url)
        ok = first and prevnext
        cls.log("checked navigation from %s -> returned %d" % (url, ok))
        return ok


class GenericListableComic(GenericComic):
    """Generic class for "listable" comics : with a list of comics (aka 'archive')

    The method `get_next_comic` methods is implemented in terms of new
    more specialized methods to be implemented/overridden:
        - get_archive_elements
        - get_url_from_archive_element
        - get_comic_info
    """
    _categories = ('LISTABLE', )

    @classmethod
    def get_archive_elements(cls):
        """Get the archive elements (iterable)."""
        raise NotImplementedError

    @classmethod
    def get_url_from_archive_element(cls, archive_elt):
        """Get url corresponding to an archive element."""
        raise NotImplementedError

    @classmethod
    def get_comic_info(cls, soup, archive_elt):
        """Get information about a particular comics."""
        raise NotImplementedError

    @classmethod
    def get_next_comic(cls, last_comic):
        """Generic implementation of get_next_comic for listable comics."""
        waiting_for_url = last_comic['url'] if last_comic else None
        archive_elts = list(cls.get_archive_elements())
        for archive_elt in archive_elts:
            url = cls.get_url_from_archive_element(archive_elt)
            cls.log("considering %s" % url)
            if waiting_for_url is None:
                cls.log("about to get %s (%s)" % (url, str(archive_elt)))
                soup = get_soup_at_url(url)
                comic = cls.get_comic_info(soup, archive_elt)
                if comic is not None:
                    assert 'url' not in comic
                    comic['url'] = url
                    yield comic
            elif waiting_for_url == url:
                waiting_for_url = None
        if waiting_for_url is not None:
            print("Did not find %s in the %d comics: there might be a problem" %
                  (waiting_for_url, len(archive_elts)))

# Helper functions corresponding to get_first_comic_link/get_navi_link


@classmethod
def get_link_rel_next(cls, last_soup, next_):
    """Implementation of get_navi_link."""
    return last_soup.find('link', rel='next' if next_ else 'prev')


@classmethod
def get_a_rel_next(cls, last_soup, next_):
    """Implementation of get_navi_link."""
    return last_soup.find('a', rel='next' if next_ else 'prev')


@classmethod
def get_a_navi_navinext(cls, last_soup, next_):
    """Implementation of get_navi_link."""
    return last_soup.find('a', class_='navi navi-next' if next_ else 'navi navi-prev')


@classmethod
def get_a_navi_comicnavnext_navinext(cls, last_soup, next_):
    """Implementation of get_navi_link."""
    return last_soup.find('a', class_='navi comic-nav-next navi-next' if next_ else 'navi comic-nav-previous navi-prev')


@classmethod
def get_a_comicnavbase_comicnavnext(cls, last_soup, next_):
    """Implementation of get_navi_link."""
    return last_soup.find('a', class_='comic-nav-base comic-nav-next' if next_ else 'comic-nav-base comic-nav-previous')


@classmethod
def get_a_navi_navifirst(cls):
    """Implementation of get_first_comic_link."""
    return get_soup_at_url(cls.url).find('a', class_='navi navi-first')


@classmethod
def get_div_navfirst_a(cls):
    """Implementation of get_first_comic_link."""
    return get_soup_at_url(cls.url).find('div', class_="nav-first").find('a')


@classmethod
def get_a_comicnavbase_comicnavfirst(cls):
    """Implementation of get_first_comic_link."""
    return get_soup_at_url(cls.url).find('a', class_='comic-nav-base comic-nav-first')


@classmethod
def simulate_first_link(cls):
    """Implementation of get_first_comic_link creating a link-like object from
    an URL provided by the class.

    Note: The first URL can easily be found using :
    `get_first_comic_link = navigate_to_first_comic`.
    """
    return {'href': cls.first_url}


@classmethod
def navigate_to_first_comic(cls):
    """Implementation of get_first_comic_link navigating from a user provided
    URL to the first comic.

    Sometimes, the first comic cannot be reached directly so to start
    from the first comic one has to go to the previous comic until
    there is no previous comics. Once this URL is reached, it
    is better to hardcode it but for development purposes, it
    is convenient to have an automatic way to find it.

    Then, the URL found can easily be used via `simulate_first_link`.
    """
    try:
        url = cls.first_url
    except AttributeError:
        url = input("Get starting URL: ")
    print(url)
    comic = cls.get_prev_link(get_soup_at_url(url))
    while comic:
        url = cls.get_url_from_link(comic)
        print(url)
        comic = cls.get_prev_link(get_soup_at_url(url))
    return {'href': url}


class GenericEmptyComic(GenericComic):
    """Generic class for comics where nothing is to be done.

    It can be useful to deactivate temporarily comics that do not work
    properly by replacing `def MyComic(GenericWhateverComic)` with
    `def MyComic(GenericEmptyComic, GenericWhateverComic)`."""
    _categories = ('EMPTY', )

    @classmethod
    def get_next_comic(cls, last_comic):
        """Implementation of get_next_comic returning no comics."""
        cls.log("comic is considered as empty - returning no comic")
        return []


class ExtraFabulousComics(GenericNavigableComic):
    """Class to retrieve Extra Fabulous Comics."""
    # Also on https://extrafabulouscomics.tumblr.com
    name = 'efc'
    long_name = 'Extra Fabulous Comics'
    url = 'http://extrafabulouscomics.com'
    _categories = ('EFC', )
    get_first_comic_link = get_a_navi_navifirst
    get_navi_link = get_link_rel_next

    @classmethod
    def get_comic_info(cls, soup, link):
        """Get information about a particular comics."""
        img_src_re = re.compile('^%s/wp-content/uploads/' % cls.url)
        imgs = soup.find_all('img', src=img_src_re)
        title = soup.find('meta', property='og:title')['content']
        date_str = soup.find('meta', property='article:published_time')['content'][:10]
        day = string_to_date(date_str, "%Y-%m-%d")
        return {
            'title': title,
            'img': [i['src'] for i in imgs],
            'month': day.month,
            'year': day.year,
            'day': day.day,
            'prefix': title + '-'
        }


class GenericLeMondeBlog(GenericNavigableComic):
    """Generic class to retrieve comics from Le Monde blogs."""
    _categories = ('LEMONDE', 'FRANCAIS')
    get_navi_link = get_link_rel_next
    get_first_comic_link = simulate_first_link
    first_url = NotImplemented

    @classmethod
    def get_comic_info(cls, soup, link):
        """Get information about a particular comics."""
        url2 = soup.find('link', rel='shortlink')['href']
        title = soup.find('meta', property='og:title')['content']
        date_str = soup.find("span", class_="entry-date").string
        day = string_to_date(date_str, "%d %B %Y", "fr_FR.utf8")
        imgs = soup.find_all('meta', property='og:image')
        return {
            'title': title,
            'url2': url2,
            'img': [convert_iri_to_plain_ascii_uri(i['content']) for i in imgs],
            'month': day.month,
            'year': day.year,
            'day': day.day,
        }


class ZepWorld(GenericLeMondeBlog):
    """Class to retrieve Zep World comics."""
    name = "zep"
    long_name = "Zep World"
    url = "http://zepworld.blog.lemonde.fr"
    first_url = "http://zepworld.blog.lemonde.fr/2014/10/31/bientot-le-blog-de-zep/"


class Vidberg(GenericLeMondeBlog):
    """Class to retrieve Vidberg comics."""
    name = 'vidberg'
    long_name = "Vidberg - l'actu en patates"
    url = "http://vidberg.blog.lemonde.fr"
    # Not the first but I didn't find an efficient way to retrieve it
    first_url = "http://vidberg.blog.lemonde.fr/2012/02/09/revue-de-campagne-la-campagne-du-modem-semballe/"


class Plantu(GenericLeMondeBlog):
    """Class to retrieve Plantu comics."""
    name = 'plantu'
    long_name = "Plantu"
    url = "http://plantu.blog.lemonde.fr"
    first_url = "http://plantu.blog.lemonde.fr/2014/10/28/stress-test-a-bruxelles/"


class XavierGorce(GenericLeMondeBlog):
    """Class to retrieve Xavier Gorce comics."""
    name = 'gorce'
    long_name = "Xavier Gorce"
    url = "http://xaviergorce.blog.lemonde.fr"
    first_url = "http://xaviergorce.blog.lemonde.fr/2015/01/09/distinction/"


class CartooningForPeace(GenericLeMondeBlog):
    """Class to retrieve Cartooning For Peace comics."""
    name = 'forpeace'
    long_name = "Cartooning For Peace"
    url = "http://cartooningforpeace.blog.lemonde.fr"
    first_url = "http://cartooningforpeace.blog.lemonde.fr/2014/12/15/bado/"


class Aurel(GenericLeMondeBlog):
    """Class to retrieve Aurel comics."""
    name = 'aurel'
    long_name = "Aurel"
    url = "http://aurel.blog.lemonde.fr"
    first_url = "http://aurel.blog.lemonde.fr/2014/09/29/le-senat-repasse-a-droite/"


class LesCulottees(GenericLeMondeBlog):
    """Class to retrieve Les Culottees comics."""
    name = 'culottees'
    long_name = 'Les Culottees'
    url = "http://lesculottees.blog.lemonde.fr"
    first_url = "http://lesculottees.blog.lemonde.fr/2016/01/11/clementine-delait-femme-a-barbe/"


class UneAnneeAuLycee(GenericLeMondeBlog):
    """Class to retrieve Une Annee Au Lycee comics."""
    name = 'lycee'
    long_name = 'Une Annee au Lycee'
    url = 'http://uneanneeaulycee.blog.lemonde.fr'
    first_url = "http://uneanneeaulycee.blog.lemonde.fr/2016/06/13/la-semaine-du-bac-est-arrivee/"


class Rall(GenericNavigableComic):
    """Class to retrieve Ted Rall comics."""
    # Also on http://www.gocomics.com/tedrall
    name = 'rall'
    long_name = "Ted Rall"
    url = "http://rall.com/comic"
    _categories = ('RALL', )
    get_navi_link = get_link_rel_next
    get_first_comic_link = simulate_first_link
    # Not the first but I didn't find an efficient way to retrieve it
    first_url = "http://rall.com/2014/01/30/los-angeles-times-cartoon-well-miss-those-california-flowers"

    @classmethod
    def get_comic_info(cls, soup, link):
        """Get information about a particular comics."""
        title = soup.find('meta', property='og:title')['content']
        author = soup.find("span", class_="author vcard").find("a").string
        date_str = soup.find("span", class_="entry-date").string
        day = string_to_date(date_str, "%B %d, %Y")
        desc = soup.find('meta', property='og:description')['content']
        imgs = soup.find('div', class_='entry-content').find_all('img')
        imgs = imgs[:-7]  # remove social media buttons
        return {
            'title': title,
            'author': author,
            'month': day.month,
            'year': day.year,
            'day': day.day,
            'description': desc,
            'img': [i['src'] for i in imgs],
        }


class Dilem(GenericNavigableComic):
    """Class to retrieve Ali Dilem comics."""
    name = 'dilem'
    long_name = 'Ali Dilem'
    url = 'http://information.tv5monde.com/dilem'
    _categories = ('FRANCAIS', )
    get_url_from_link = join_cls_url_to_href
    get_first_comic_link = simulate_first_link
    first_url = "http://information.tv5monde.com/dilem/2004-06-26"

    @classmethod
    def get_navi_link(cls, last_soup, next_):
        """Get link to next or previous comic."""
        # prev is next / next is prev
        li = last_soup.find('li', class_='prev' if next_ else 'next')
        return li.find('a') if li else None

    @classmethod
    def get_comic_info(cls, soup, link):
        """Get information about a particular comics."""
        short_url = soup.find('link', rel='shortlink')['href']
        title = soup.find('meta', attrs={'name': 'twitter:title'})['content']
        imgs = soup.find_all('meta', property='og:image')
        date_str = soup.find('span', property='dc:date')['content']
        date_str = date_str[:10]
        day = string_to_date(date_str, "%Y-%m-%d")
        return {
            'short_url': short_url,
            'title': title,
            'img': [i['content'] for i in imgs],
            'day': day.day,
            'month': day.month,
            'year': day.year,
        }


class SpaceAvalanche(GenericNavigableComic):
    """Class to retrieve Space Avalanche comics."""
    name = 'avalanche'
    long_name = 'Space Avalanche'
    url = 'http://www.spaceavalanche.com'
    get_navi_link = get_link_rel_next

    @classmethod
    def get_first_comic_link(cls):
        """Get link to first comics."""
        return {'href': "http://www.spaceavalanche.com/2009/02/02/irish-sea/", 'title': "Irish Sea"}

    @classmethod
    def get_comic_info(cls, soup, link):
        """Get information about a particular comics."""
        url_date_re = re.compile('.*/([0-9]*)/([0-9]*)/([0-9]*)/.*$')
        title = link['title']
        url = cls.get_url_from_link(link)
        year, month, day = [int(s)
                            for s in url_date_re.match(url).groups()]
        imgs = soup.find("div", class_="entry").find_all("img")
        return {
            'title': title,
            'day': day,
            'month': month,
            'year': year,
            'img': [i['src'] for i in imgs],
        }


class ZenPencils(GenericNavigableComic):
    """Class to retrieve ZenPencils comics."""
    # Also on http://zenpencils.tumblr.com
    # Also on http://www.gocomics.com/zen-pencils
    name = 'zenpencils'
    long_name = 'Zen Pencils'
    url = 'http://zenpencils.com'
    _categories = ('ZENPENCILS', )
    get_navi_link = get_link_rel_next
    get_first_comic_link = simulate_first_link
    first_url = "http://zenpencils.com/comic/1-ralph-waldo-emerson-make-them-cry/"

    @classmethod
    def get_comic_info(cls, soup, link):
        """Get information about a particular comics."""
        imgs = soup.find('div', id='comic').find_all('img')
        # imgs2 = soup.find_all('meta', property='og:image')
        post = soup.find('div', class_='post-content')
        author = post.find("span", class_="post-author").find("a").string
        title = soup.find('h2', class_='post-title').string
        date_str = post.find('span', class_='post-date').string
        day = string_to_date(date_str, "%B %d, %Y")
        assert imgs
        assert all(i['alt'] == i['title'] for i in imgs)
        assert all(i['alt'] in (title, "") for i in imgs)
        return {
            'title': title,
            'author': author,
            'day': day.day,
            'month': day.month,
            'year': day.year,
            'img': [urljoin_wrapper(cls.url, i['src']) for i in imgs],
        }


class ItsTheTie(GenericEmptyComic, GenericNavigableComic):
    """Class to retrieve It's the tie comics."""
    # Also on http://itsthetie.tumblr.com
    # Also on https://tapastic.com/series/itsthetie
    name = 'tie'
    long_name = "It's the tie"
    url = "http://itsthetie.com"
    _categories = ('TIE', )
    get_first_comic_link = get_div_navfirst_a
    get_navi_link = get_a_rel_next

    @classmethod
    def get_comic_info(cls, soup, link):
        """Get information about a particular comics."""
        title = soup.find('h1', class_='comic-title').find('a').string
        date_str = soup.find('header', class_='comic-meta entry-meta').find('a').string
        day = string_to_date(date_str, "%B %d, %Y")
        # Bonus images may or may not be in meta og:image.
        imgs = soup.find_all('meta', property='og:image')
        imgs_src = [i['content'] for i in imgs]
        bonus = soup.find_all('img', attrs={'data-oversrc': True})
        bonus_src = [b['data-oversrc'] for b in bonus]
        all_imgs_src = imgs_src + [s for s in bonus_src if s not in imgs_src]
        all_imgs_src = [s for s in all_imgs_src if not s.endswith("/2016/01/bonus-panel.png")]
        tag_meta = soup.find('meta', property='article:tag')
        tags = tag_meta['content'] if tag_meta else ""
        return {
            'title': title,
            'month': day.month,
            'year': day.year,
            'day': day.day,
            'img': all_imgs_src,
            'tags': tags,
        }


class PenelopeBagieu(GenericNavigableComic):
    """Class to retrieve comics from Penelope Bagieu's blog."""
    name = 'bagieu'
    long_name = 'Ma vie est tout a fait fascinante (Bagieu)'
    url = 'http://www.penelope-jolicoeur.com'
    _categories = ('FRANCAIS', )
    get_navi_link = get_link_rel_next
    get_first_comic_link = simulate_first_link
    first_url = 'http://www.penelope-jolicoeur.com/2007/02/ma-vie-mon-oeuv.html'

    @classmethod
    def get_comic_info(cls, soup, link):
        """Get information about a particular comics."""
        date_str = soup.find('h2', class_='date-header').string
        day = string_to_date(date_str, "%A %d %B %Y", "fr_FR.utf8")
        imgs = soup.find('div', class_='entry-body').find_all('img')
        title = soup.find('h3', class_='entry-header').string
        return {
            'title': title,
            'img': [i['src'] for i in imgs],
            'month': day.month,
            'year': day.year,
            'day': day.day,
        }


class OneOneOneOneComic(GenericEmptyComic, GenericNavigableComic):
    """Class to retrieve 1111 Comics."""
    # Also on http://comics1111.tumblr.com
    # Also on https://tapastic.com/series/1111-Comics
    name = '1111'
    long_name = '1111 Comics'
    url = 'http://www.1111comics.me'
    _categories = ('ONEONEONEONE', )
    get_first_comic_link = get_div_navfirst_a
    get_navi_link = get_link_rel_next

    @classmethod
    def get_comic_info(cls, soup, link):
        """Get information about a particular comics."""
        title = soup.find('h1', class_='comic-title').find('a').string
        date_str = soup.find('header', class_='comic-meta entry-meta').find('a').string
        day = string_to_date(date_str, "%B %d, %Y")
        imgs = soup.find_all('meta', property='og:image')
        return {
            'title': title,
            'month': day.month,
            'year': day.year,
            'day': day.day,
            'img': [i['content'] for i in imgs],
        }


class AngryAtNothing(GenericEmptyComic, GenericNavigableComic):
    """Class to retrieve Angry at Nothing comics."""
    # Also on http://tapastic.com/series/Comics-yeah-definitely-comics-
    # Also on http://angryatnothing.tumblr.com
    name = 'angry'
    long_name = 'Angry At Nothing'
    url = 'http://www.angryatnothing.net'
    get_first_comic_link = get_div_navfirst_a
    get_navi_link = get_a_rel_next

    @classmethod
    def get_comic_info(cls, soup, link):
        """Get information about a particular comics."""
        title = soup.find('h1', class_='comic-title').find('a').string
        date_str = soup.find('header', class_='comic-meta entry-meta').find('a').string
        day = string_to_date(date_str, "%B %d, %Y")
        imgs = soup.find_all('meta', property='og:image')
        return {
            'title': title,
            'month': day.month,
            'year': day.year,
            'day': day.day,
            'img': [i['content'] for i in imgs],
        }


class NeDroid(GenericNavigableComic):
    """Class to retrieve NeDroid comics."""
    name = 'nedroid'
    long_name = 'NeDroid'
    url = 'http://nedroid.com'
    get_first_comic_link = get_div_navfirst_a
    get_navi_link = get_link_rel_next
    get_url_from_link = join_cls_url_to_href

    @classmethod
    def get_comic_info(cls, soup, link):
        """Get information about a particular comics."""
        short_url_re = re.compile('^%s/\\?p=([0-9]*)' % cls.url)
        short_url = cls.get_url_from_link(soup.find('link', rel='shortlink'))
        num = int(short_url_re.match(short_url).groups()[0])
        imgs = soup.find('div', id='comic').find_all('img')
        assert len(imgs) == 1
        title = imgs[0]['alt']
        title2 = imgs[0]['title']
        return {
            'short_url': short_url,
            'title': title,
            'title2': title2,
            'img': [urljoin_wrapper(cls.url, i['src']) for i in imgs],
            'num': num,
        }


class Garfield(GenericNavigableComic):
    """Class to retrieve Garfield comics."""
    # Also on http://www.gocomics.com/garfield
    name = 'garfield'
    long_name = 'Garfield'
    url = 'https://garfield.com'
    _categories = ('GARFIELD', )
    get_first_comic_link = simulate_first_link
    first_url = 'https://garfield.com/comic/1978/06/19'

    @classmethod
    def get_navi_link(cls, last_soup, next_):
        """Get link to next or previous comic."""
        return last_soup.find('a', class_='comic-arrow-right' if next_ else 'comic-arrow-left')

    @classmethod
    def get_comic_info(cls, soup, link):
        """Get information about a particular comics."""
        url = cls.get_url_from_link(link)
        date_re = re.compile('^%s/comic/([0-9]*)/([0-9]*)/([0-9]*)' % cls.url)
        year, month, day = [int(s) for s in date_re.match(url).groups()]
        imgs = soup.find('div', class_='comic-display').find_all('img', class_='img-responsive')
        return {
            'month': month,
            'year': year,
            'day': day,
            'img': [i['src'] for i in imgs],
        }


class Dilbert(GenericNavigableComic):
    """Class to retrieve Dilbert comics."""
    # Also on http://www.gocomics.com/dilbert-classics
    name = 'dilbert'
    long_name = 'Dilbert'
    url = 'http://dilbert.com'
    get_url_from_link = join_cls_url_to_href
    get_first_comic_link = simulate_first_link
    first_url = 'http://dilbert.com/strip/1989-04-16'

    @classmethod
    def get_navi_link(cls, last_soup, next_):
        """Get link to next or previous comic."""
        link = last_soup.find('div', class_='nav-comic nav-right' if next_ else 'nav-comic nav-left')
        return link.find('a') if link else None

    @classmethod
    def get_comic_info(cls, soup, link):
        """Get information about a particular comics."""
        title = soup.find('meta', property='og:title')['content']
        imgs = soup.find_all('meta', property='og:image')
        desc = soup.find('meta', property='og:description')['content']
        date_str = soup.find('meta', property='article:publish_date')['content']
        day = string_to_date(date_str, "%B %d, %Y")
        author = soup.find('meta', property='article:author')['content']
        tags = soup.find('meta', property='article:tag')['content']
        return {
            'title': title,
            'description': desc,
            'img': [i['content'] for i in imgs],
            'author': author,
            'tags': tags,
            'day': day.day,
            'month': day.month,
            'year': day.year
        }


class VictimsOfCircumsolar(GenericEmptyComic, GenericNavigableComic):
    """Class to retrieve VictimsOfCircumsolar comics."""
    # Also on https://victimsofcomics.tumblr.com
    name = 'circumsolar'
    long_name = 'Victims Of Circumsolar'
    url = 'http://www.victimsofcircumsolar.com'
    get_navi_link = get_a_navi_comicnavnext_navinext
    get_first_comic_link = simulate_first_link
    first_url = 'http://www.victimsofcircumsolar.com/comic/modern-addiction'

    @classmethod
    def get_comic_info(cls, soup, link):
        """Get information about a particular comics."""
        # Date is on the archive page
        title = soup.find_all('meta', property='og:title')[-1]['content']
        desc = soup.find_all('meta', property='og:description')[-1]['content']
        imgs = soup.find('div', id='comic').find_all('img')
        assert all(i['title'] == i['alt'] == title for i in imgs)
        return {
            'title': title,
            'description': desc,
            'img': [i['src'] for i in imgs],
        }


class ThreeWordPhrase(GenericNavigableComic):
    """Class to retrieve Three Word Phrase comics."""
    # Also on http://www.threewordphrase.tumblr.com
    name = 'threeword'
    long_name = 'Three Word Phrase'
    url = 'http://threewordphrase.com'
    get_url_from_link = join_cls_url_to_href

    @classmethod
    def get_first_comic_link(cls):
        """Get link to first comics."""
        return get_soup_at_url(cls.url).find('img', src='/firstlink.gif').parent

    @classmethod
    def get_navi_link(cls, last_soup, next_):
        """Get link to next or previous comic."""
        link = last_soup.find('img', src='/nextlink.gif' if next_ else '/prevlink.gif').parent
        return None if link.get('href') is None else link

    @classmethod
    def get_comic_info(cls, soup, link):
        """Get information about a particular comics."""
        title = soup.find('title')
        imgs = [img for img in soup.find_all('img')
                if not img['src'].endswith(
                    ('link.gif', '32.png', 'twpbookad.jpg',
                     'merchad.jpg', 'header.gif', 'tipjar.jpg'))]
        return {
            'title': title.string if title else None,
            'title2': '  '.join(img.get('alt') for img in imgs if img.get('alt')),
            'img': [urljoin_wrapper(cls.url, img['src']) for img in imgs],
        }


class DeadlyPanel(GenericEmptyComic, GenericNavigableComic):
    """Class to retrieve Deadly Panel comics."""
    # Also on https://tapastic.com/series/deadlypanel
    # Also on https://deadlypanel.tumblr.com
    name = 'deadly'
    long_name = 'Deadly Panel'
    url = 'http://www.deadlypanel.com'
    get_first_comic_link = get_a_navi_navifirst
    get_navi_link = get_a_navi_comicnavnext_navinext

    @classmethod
    def get_comic_info(cls, soup, link):
        """Get information about a particular comics."""
        imgs = soup.find('div', id='comic').find_all('img')
        assert all(i['alt'] == i['title'] for i in imgs)
        return {
            'img': [i['src'] for i in imgs],
        }


class TheGentlemanArmchair(GenericNavigableComic):
    """Class to retrieve The Gentleman Armchair comics."""
    name = 'gentlemanarmchair'
    long_name = 'The Gentleman Armchair'
    url = 'http://thegentlemansarmchair.com'
    get_first_comic_link = get_a_navi_navifirst
    get_navi_link = get_link_rel_next

    @classmethod
    def get_comic_info(cls, soup, link):
        """Get information about a particular comics."""
        title = soup.find('h2', class_='post-title').string
        author = soup.find("span", class_="post-author").find("a").string
        date_str = soup.find('span', class_='post-date').string
        day = string_to_date(date_str, "%B %d, %Y")
        imgs = soup.find('div', id='comic').find_all('img')
        return {
            'img': [i['src'] for i in imgs],
            'title': title,
            'author': author,
            'month': day.month,
            'year': day.year,
            'day': day.day,
        }


class ImogenQuest(GenericNavigableComic):
    """Class to retrieve Imogen Quest comics."""
    # Also on http://imoquest.tumblr.com
    name = 'imogen'
    long_name = 'Imogen Quest'
    url = 'http://imogenquest.net'
    get_first_comic_link = get_div_navfirst_a
    get_navi_link = get_a_rel_next

    @classmethod
    def get_comic_info(cls, soup, link):
        """Get information about a particular comics."""
        title = soup.find('h2', class_='post-title').string
        author = soup.find("span", class_="post-author").find("a").string
        date_str = soup.find('span', class_='post-date').string
        day = string_to_date(date_str, '%B %d, %Y')
        imgs = soup.find('div', class_='comicpane').find_all('img')
        assert all(i['alt'] == i['title'] for i in imgs)
        title2 = imgs[0]['title']
        return {
            'day': day.day,
            'month': day.month,
            'year': day.year,
            'img': [i['src'] for i in imgs],
            'title': title,
            'title2': title2,
            'author': author,
        }


class MyExtraLife(GenericNavigableComic):
    """Class to retrieve My Extra Life comics."""
    name = 'extralife'
    long_name = 'My Extra Life'
    url = 'http://www.myextralife.com'
    get_navi_link = get_link_rel_next

    @classmethod
    def get_first_comic_link(cls):
        """Get link to first comics."""
        return get_soup_at_url(cls.url).find('a', class_='comic_nav_link first_comic_link')

    @classmethod
    def get_comic_info(cls, soup, link):
        """Get information about a particular comics."""
        title = soup.find("h1", class_="comic_title").string
        date_str = soup.find("span", class_="comic_date").string
        day = string_to_date(date_str, "%B %d, %Y")
        imgs = soup.find_all("img", class_="comic")
        assert all(i['alt'] == i['title'] == title for i in imgs)
        return {
            'title': title,
            'img': [i['src'] for i in imgs if i["src"]],
            'day': day.day,
            'month': day.month,
            'year': day.year
        }


class SaturdayMorningBreakfastCereal(GenericNavigableComic):
    """Class to retrieve Saturday Morning Breakfast Cereal comics."""
    # Also on http://www.gocomics.com/saturday-morning-breakfast-cereal
    # Also on http://smbc-comics.tumblr.com
    name = 'smbc'
    long_name = 'Saturday Morning Breakfast Cereal'
    url = 'http://www.smbc-comics.com'
    _categories = ('SMBC', )
    get_navi_link = get_a_rel_next

    @classmethod
    def get_first_comic_link(cls):
        """Get link to first comics."""
        return get_soup_at_url(cls.url).find('a', rel='start')

    @classmethod
    def get_comic_info(cls, soup, link):
        """Get information about a particular comics."""
        image1 = soup.find('img', id='cc-comic')
        image_url1 = image1['src']
        aftercomic = soup.find('div', id='aftercomic')
        image_url2 = aftercomic.find('img')['src'] if aftercomic else ''
        imgs = [image_url1] + ([image_url2] if image_url2 else [])
        date_str = soup.find('div', class_='cc-publishtime').contents[0]
        day = string_to_date(date_str, "%B %d, %Y")
        return {
            'title': image1['title'],
            'img': [urljoin_wrapper(cls.url, i) for i in imgs],
            'img': [convert_iri_to_plain_ascii_uri(urljoin_wrapper(cls.url, i)) for i in imgs],
            'day': day.day,
            'month': day.month,
            'year': day.year
        }


class PerryBibleFellowship(GenericListableComic):  # Is now navigable too
    """Class to retrieve Perry Bible Fellowship comics."""
    name = 'pbf'
    long_name = 'Perry Bible Fellowship'
    url = 'http://pbfcomics.com'
    get_url_from_archive_element = join_cls_url_to_href

    @classmethod
    def get_archive_elements(cls):
        soup = get_soup_at_url(cls.url)
        thumbnails = soup.find('div', id='all_thumbnails')
        return reversed(thumbnails.find_all('a'))

    @classmethod
    def get_comic_info(cls, soup, link):
        """Get information about a particular comics."""
        name = soup.find('meta', property='og:title')['content']
        imgs = soup.find_all('meta', property='og:image')
        assert len(imgs) == 1
        return {
            'name': name,
            'img': [i['content'] for i in imgs],
        }

This code seems to be duplicated in your project.

class Mercworks(GenericNavigableComic):
    """Class to retrieve Mercworks comics."""
    # Also on http://mercworks.tumblr.com
    name = 'mercworks'
    long_name = 'Mercworks'
    url = 'http://mercworks.net'
    get_first_comic_link = get_a_comicnavbase_comicnavfirst
    get_navi_link = get_link_rel_next

    @classmethod
    def get_comic_info(cls, soup, link):
        """Get information about a particular comics."""
        title = soup.find('meta', property='og:title')['content']
        metadesc = soup.find('meta', property='og:description')
        desc = metadesc['content'] if metadesc else ""
        date_str = soup.find('meta', property='article:published_time')['content'][:10]
        day = string_to_date(date_str, "%Y-%m-%d")
        imgs = soup.find_all('meta', property='og:image')
        return {
            'img': [i['content'] for i in imgs],
            'title': title,
            'desc': desc,
            'day': day.day,
            'month': day.month,
            'year': day.year
        }


class BerkeleyMews(GenericListableComic):
    """Class to retrieve Berkeley Mews comics."""
    # Also on http://mews.tumblr.com
    # Also on http://www.gocomics.com/berkeley-mews
    name = 'berkeley'
    long_name = 'Berkeley Mews'
    url = 'http://www.berkeleymews.com'
    _categories = ('BERKELEY', )
    get_url_from_archive_element = get_href
    comic_num_re = re.compile('%s/\\?p=([0-9]*)$' % url)

    @classmethod
    def get_archive_elements(cls):
        archive_url = urljoin_wrapper(cls.url, "?page_id=2")
        return reversed(get_soup_at_url(archive_url).find_all('a', href=cls.comic_num_re))

    @classmethod
    def get_comic_info(cls, soup, link):
        """Get information about a particular comics."""
        comic_date_re = re.compile('.*/([0-9]*)-([0-9]*)-([0-9]*)-.*')
        url = cls.get_url_from_archive_element(link)
        num = int(cls.comic_num_re.match(url).groups()[0])
        img = soup.find('div', id='comic').find('img')
        assert all(i['alt'] == i['title'] for i in [img])
        title2 = img['title']
        img_url = img['src']
        year, month, day = [int(s) for s in comic_date_re.match(img_url).groups()]
        return {
            'num': num,
            'title': link.string,
            'title2': title2,
            'img': [img_url],
            'year': year,
            'month': month,
            'day': day,
        }


class GenericBouletCorp(GenericNavigableComic):
    """Generic class to retrieve BouletCorp comics in different languages."""
    # Also on https://bouletcorp.tumblr.com
    _categories = ('BOULET', )
    get_navi_link = get_link_rel_next

    @classmethod
    def get_first_comic_link(cls):
        """Get link to first comics."""
        return get_soup_at_url(cls.url).find('div', id='centered_nav').find_all('a')[0]

    @classmethod
    def get_comic_info(cls, soup, link):
        """Get information about a particular comics."""
        url = cls.get_url_from_link(link)
        date_re = re.compile('^%s/([0-9]*)/([0-9]*)/([0-9]*)/' % cls.url)
        year, month, day = [int(s) for s in date_re.match(url).groups()]
        imgs = soup.find('div', id='notes').find('div', class_='storycontent').find_all('img')
        texts = '  '.join(t for t in (i.get('title') for i in imgs) if t)
        title = soup.find('title').string
        return {
            'img': [convert_iri_to_plain_ascii_uri(i['src']) for i in imgs if i.get('src') is not None],
            'title': title,
            'texts': texts,
            'year': year,
            'month': month,
            'day': day,
        }


class BouletCorp(GenericBouletCorp):
    """Class to retrieve BouletCorp comics."""
    name = 'boulet'
    long_name = 'Boulet Corp'
    url = 'http://www.bouletcorp.com'
    _categories = ('FRANCAIS', )


class BouletCorpEn(GenericBouletCorp):
    """Class to retrieve EnglishBouletCorp comics."""
    name = 'boulet_en'
    long_name = 'Boulet Corp English'
    url = 'http://english.bouletcorp.com'


class AmazingSuperPowers(GenericNavigableComic):
    """Class to retrieve Amazing Super Powers comics."""
    name = 'asp'
    long_name = 'Amazing Super Powers'
    url = 'http://www.amazingsuperpowers.com'
    get_first_comic_link = get_a_navi_navifirst
    get_navi_link = get_a_navi_navinext

    @classmethod
    def get_comic_info(cls, soup, link):
        """Get information about a particular comics."""
        author = soup.find("span", class_="post-author").find("a").string
        date_str = soup.find('span', class_='post-date').string
        day = string_to_date(date_str, "%B %d, %Y")
        imgs = soup.find('div', id='comic').find_all('img')
        title = ' '.join(i['title'] for i in imgs)
        assert all(i['alt'] == i['title'] for i in imgs)
        return {
            'title': title,
            'author': author,
            'img': [img['src'] for img in imgs],
            'day': day.day,
            'month': day.month,
            'year': day.year
        }


class ToonHole(GenericNavigableComic):
    """Class to retrieve Toon Holes comics."""
    # Also on http://tapastic.com/series/TOONHOLE
    name = 'toonhole'
    long_name = 'Toon Hole'
    url = 'http://www.toonhole.com'
    get_first_comic_link = get_a_comicnavbase_comicnavfirst

This code seems to be duplicated in your project.

    get_navi_link = get_link_rel_next

    @classmethod
    def get_comic_info(cls, soup, link):
        """Get information about a particular comics."""
        short_url = soup.find('link', rel='shortlink')['href']
        date_str = soup.find('div', class_='entry-meta').contents[0].strip()
        day = string_to_date(date_str, "%B %d, %Y")
        imgs = soup.find('div', id='comic').find_all('img')
        if imgs:
            img = imgs[0]
            title = img['alt']
            assert img['title'] == title
        else:
            title = ""
        return {
            'short_url': short_url,
            'title': title,
            'month': day.month,
            'year': day.year,
            'day': day.day,
            'img': [convert_iri_to_plain_ascii_uri(i['src']) for i in imgs],
        }


class Channelate(GenericNavigableComic):
    """Class to retrieve Channelate comics."""
    name = 'channelate'
    long_name = 'Channelate'
    url = 'http://www.channelate.com'
    get_first_comic_link = get_div_navfirst_a
    get_navi_link = get_link_rel_next
    get_url_from_link = join_cls_url_to_href

    @classmethod
    def get_comic_info(cls, soup, link):
        """Get information about a particular comics."""
        author = soup.find("span", class_="post-author").find("a").string
        date_str = soup.find('span', class_='post-date').string
        day = string_to_date(date_str, '%Y/%m/%d')
        title = soup.find('meta', property='og:title')['content']
        post = soup.find('div', id='comic')
        imgs = post.find_all('img') if post else []
        extra_url = None
        extra_div = soup.find('div', id='extrapanelbutton')
        if extra_div:
            extra_url = extra_div.find('a')['href']
            extra_soup = get_soup_at_url(extra_url)
            extra_imgs = extra_soup.find_all('img', class_='extrapanelimage')
            imgs.extend(extra_imgs)
        return {
            'url_extra': extra_url,
            'title': title,
            'author': author,
            'month': day.month,
            'year': day.year,
            'day': day.day,
            'img': [urljoin_wrapper(cls.url, i['src']) for i in imgs],
        }


class CyanideAndHappiness(GenericNavigableComic):
    """Class to retrieve Cyanide And Happiness comics."""
    name = 'cyanide'
    long_name = 'Cyanide and Happiness'
    url = 'http://explosm.net'
    _categories = ('NSFW', )
    get_url_from_link = join_cls_url_to_href

    @classmethod
    def get_first_comic_link(cls):
        """Get link to first comics."""
        return get_soup_at_url(cls.url).find('a', title='Oldest comic')

    @classmethod
    def get_navi_link(cls, last_soup, next_):
        """Get link to next or previous comic."""
        link = last_soup.find('a', class_='next-comic' if next_ else 'previous-comic ')
        return None if link.get('href') is None else link

    @classmethod
    def get_comic_info(cls, soup, link):
        """Get information about a particular comics."""
        url2 = soup.find('meta', property='og:url')['content']
        num = int(url2.split('/')[-2])
        date_str = soup.find('h3').find('a').string
        day = string_to_date(date_str, '%Y.%m.%d')
        author = soup.find('small', class_="author-credit-name").string
        assert author.startswith('by ')
        author = author[3:]
        imgs = soup.find_all('img', id='main-comic')
        return {
            'num': num,
            'author': author,
            'month': day.month,
            'year': day.year,
            'day': day.day,
            'prefix': '%d-' % num,
            'img': [convert_iri_to_plain_ascii_uri(urljoin_wrapper(cls.url, i['src'])) for i in imgs]
        }


class MrLovenstein(GenericComic):
    """Class to retrieve Mr Lovenstein comics."""
    # Also on https://tapastic.com/series/MrLovenstein
    name = 'mrlovenstein'
    long_name = 'Mr. Lovenstein'
    url = 'http://www.mrlovenstein.com'

    @classmethod
    def get_next_comic(cls, last_comic):
        """Generator to get the next comic. Implementation of GenericComic's abstract method."""
        # TODO: more info from http://www.mrlovenstein.com/archive
        comic_num_re = re.compile('^/comic/([0-9]*)$')
        nums = [int(comic_num_re.match(link['href']).groups()[0])
                for link in get_soup_at_url(cls.url).find_all('a', href=comic_num_re)]
        first, last = min(nums), max(nums)
        if last_comic:
            first = last_comic['num'] + 1
        for num in range(first, last + 1):
            url = urljoin_wrapper(cls.url, '/comic/%d' % num)
            soup = get_soup_at_url(url)
            imgs = list(
                reversed(soup.find_all('img', src=re.compile('^/images/comics/'))))
            description = soup.find('meta', attrs={'name': 'description'})['content']
            yield {
                'url': url,
                'num': num,
                'texts': '  '.join(t for t in (i.get('title') for i in imgs) if t),
                'img': [urljoin_wrapper(url, i['src']) for i in imgs],
                'description': description,
            }


class DinosaurComics(GenericListableComic):
    """Class to retrieve Dinosaur Comics comics."""
    name = 'dinosaur'
    long_name = 'Dinosaur Comics'
    url = 'http://www.qwantz.com'
    get_url_from_archive_element = get_href
    comic_link_re = re.compile('^%s/index.php\\?comic=([0-9]*)$' % url)

    @classmethod
    def get_archive_elements(cls):
        archive_url = urljoin_wrapper(cls.url, 'archive.php')
        # first link is random -> skip it
        return reversed(get_soup_at_url(archive_url).find_all('a', href=cls.comic_link_re)[1:])

    @classmethod
    def get_comic_info(cls, soup, link):
        """Get information about a particular comics."""
        url = cls.get_url_from_archive_element(link)
        num = int(cls.comic_link_re.match(url).groups()[0])
        date_str = link.string
        text = link.next_sibling.string
        day = string_to_date(remove_st_nd_rd_th_from_date(date_str), "%B %d, %Y")
        comic_img_re = re.compile('^%s/comics/' % cls.url)
        img = soup.find('img', src=comic_img_re)
        return {
            'month': day.month,
            'year': day.year,
            'day': day.day,
            'img': [img.get('src')],
            'title': img.get('title'),
            'text': text,
            'num': num,
        }


class ButterSafe(GenericListableComic):

This code seems to be duplicated in your project.

    """Class to retrieve Butter Safe comics."""
    name = 'butter'
    long_name = 'ButterSafe'
    url = 'http://buttersafe.com'
    get_url_from_archive_element = get_href
    comic_link_re = re.compile('^%s/([0-9]*)/([0-9]*)/([0-9]*)/.*' % url)

    @classmethod
    def get_archive_elements(cls):
        archive_url = urljoin_wrapper(cls.url, 'archive/')
        return reversed(get_soup_at_url(archive_url).find_all('a', href=cls.comic_link_re))

    @classmethod
    def get_comic_info(cls, soup, link):
        """Get information about a particular comics."""
        url = cls.get_url_from_archive_element(link)
        title = link.string
        year, month, day = [int(s) for s in cls.comic_link_re.match(url).groups()]
        img = soup.find('div', id='comic').find('img')
        assert img['alt'] == title
        return {
            'title': title,
            'day': day,
            'month': month,
            'year': year,
            'img': [img['src']],
        }


class CalvinAndHobbes(GenericComic):
    """Class to retrieve Calvin and Hobbes comics."""
    # Also on http://www.gocomics.com/calvinandhobbes/
    name = 'calvin'
    long_name = 'Calvin and Hobbes'
    # This is not through any official webpage but eh...
    url = 'http://marcel-oehler.marcellosendos.ch/comics/ch/'

    @classmethod
    def get_next_comic(cls, last_comic):
        """Generator to get the next comic. Implementation of GenericComic's abstract method."""
        last_date = get_date_for_comic(
            last_comic) if last_comic else date(1985, 11, 1)
        link_re = re.compile('^([0-9]*)/([0-9]*)/')
        img_re = re.compile('')
        for link in get_soup_at_url(cls.url).find_all('a', href=link_re):
            url = link['href']
            year, month = link_re.match(url).groups()
            if date(int(year), int(month), 1) + timedelta(days=31) >= last_date:
                img_re = re.compile('^%s%s([0-9]*)' % (year, month))
                month_url = urljoin_wrapper(cls.url, url)
                for img in get_soup_at_url(month_url).find_all('img', src=img_re):
                    img_src = img['src']
                    day = int(img_re.match(img_src).groups()[0])
                    comic_date = date(int(year), int(month), day)
                    if comic_date > last_date:
                        yield {
                            'url': month_url,
                            'year': int(year),
                            'month': int(month),
                            'day': int(day),
                            'img': ['%s%s/%s/%s' % (cls.url, year, month, img_src)],
                        }
                        last_date = comic_date


class AbstruseGoose(GenericListableComic):

This code seems to be duplicated in your project.

    """Class to retrieve AbstruseGoose Comics."""
    name = 'abstruse'
    long_name = 'Abstruse Goose'
    url = 'http://abstrusegoose.com'
    get_url_from_archive_element = get_href
    comic_url_re = re.compile('^%s/([0-9]*)$' % url)
    comic_img_re = re.compile('^%s/strips/.*' % url)

    @classmethod
    def get_archive_elements(cls):
        archive_url = urljoin_wrapper(cls.url, 'archive')
        return get_soup_at_url(archive_url).find_all('a', href=cls.comic_url_re)

    @classmethod
    def get_comic_info(cls, soup, archive_elt):
        comic_url = cls.get_url_from_archive_element(archive_elt)
        num = int(cls.comic_url_re.match(comic_url).groups()[0])
        return {
            'num': num,
            'title': archive_elt.string,
            'img': [soup.find('img', src=cls.comic_img_re)['src']]
        }


class PhDComics(GenericNavigableComic):
    """Class to retrieve PHD Comics."""
    name = 'phd'
    long_name = 'PhD Comics'
    url = 'http://phdcomics.com/comics/archive.php'

    @classmethod
    def get_first_comic_link(cls):
        """Get link to first comics."""
        soup = get_soup_at_url(cls.url)
        img = soup.find('img', src='http://phdcomics.com/comics/images/first_button.gif')
        return None if img is None else img.parent

    @classmethod
    def get_navi_link(cls, last_soup, next_):
        """Get link to next or previous comic."""
        url = 'http://phdcomics.com/comics/images/%s_button.gif' % ('next' if next_ else 'prev')
        img = last_soup.find('img', src=url)
        return None if img is None else img.parent

    @classmethod
    def get_comic_info(cls, soup, link):
        """Get information about a particular comics."""
        title = soup.find('meta', attrs={'name': 'twitter:title'})['content']
        imgs = soup.find_all('meta', property='og:image')
        return {
            'img': [i['content'] for i in imgs],
            'title': title,
        }

This code seems to be duplicated in your project.

class Octopuns(GenericEmptyComic, GenericNavigableComic):
    """Class to retrieve Octopuns comics."""
    # Also on http://octopuns.tumblr.com
    name = 'octopuns'
    long_name = 'Octopuns'
    url = 'http://www.octopuns.net'

    @classmethod
    def get_first_comic_link(cls):
        """Get link to first comics."""
        return get_soup_at_url(cls.url).find('img', src=re.compile('.*/First.png')).parent

    @classmethod
    def get_navi_link(cls, last_soup, next_):
        """Get link to next or previous comic."""
        link = last_soup.find('img', src=re.compile('.*/Next.png' if next_ else '.*/Back.png')).parent
        return None if link.get('href') is None else link

    @classmethod
    def get_comic_info(cls, soup, link):
        """Get information about a particular comics."""
        title = soup.find('h3', class_='post-title entry-title').string
        date_str = soup.find('h2', class_='date-header').string
        day = string_to_date(date_str, "%A, %B %d, %Y")
        imgs = soup.find_all('link', rel='image_src')
        return {
            'img': [i['href'] for i in imgs],
            'title': title,
            'day': day.day,
            'month': day.month,
            'year': day.year,
        }


class Quarktees(GenericNavigableComic):
    """Class to retrieve the Quarktees comics."""
    name = 'quarktees'
    long_name = 'Quarktees'
    url = 'http://www.quarktees.com/blogs/news'
    get_url_from_link = join_cls_url_to_href
    get_first_comic_link = simulate_first_link
    first_url = 'http://www.quarktees.com/blogs/news/12486621-coming-soon'

    @classmethod
    def get_navi_link(cls, last_soup, next_):
        """Get link to next or previous comic."""
        return last_soup.find('a', id='article-next' if next_ else 'article-prev')

    @classmethod
    def get_comic_info(cls, soup, link):
        """Get information about a particular comics."""
        title = soup.find('meta', property='og:title')['content']
        article = soup.find('div', class_='single-article')
        imgs = article.find_all('img')
        return {
            'title': title,
            'img': [urljoin_wrapper(cls.url, i['src']) for i in imgs],
        }


class OverCompensating(GenericNavigableComic):
    """Class to retrieve the Over Compensating comics."""
    name = 'compensating'
    long_name = 'Over Compensating'
    url = 'http://www.overcompensating.com'
    get_url_from_link = join_cls_url_to_href

    @classmethod
    def get_first_comic_link(cls):
        """Get link to first comics."""
        return get_soup_at_url(cls.url).find('a', href=re.compile('comic=1$'))

    @classmethod
    def get_navi_link(cls, last_soup, next_):
        """Get link to next or previous comic."""
        return last_soup.find('a', title='next comic' if next_ else 'go back already')

    @classmethod
    def get_comic_info(cls, soup, link):
        """Get information about a particular comics."""
        img_src_re = re.compile('^/oc/comics/.*')
        comic_num_re = re.compile('.*comic=([0-9]*)$')
        comic_url = cls.get_url_from_link(link)
        num = int(comic_num_re.match(comic_url).groups()[0])
        img = soup.find('img', src=img_src_re)
        return {
            'num': num,
            'img': [urljoin_wrapper(comic_url, img['src'])],
            'title': img.get('title')
        }


class Oglaf(GenericNavigableComic):
    """Class to retrieve Oglaf comics."""
    name = 'oglaf'
    long_name = 'Oglaf [NSFW]'
    url = 'http://oglaf.com'
    _categories = ('NSFW', )
    get_url_from_link = join_cls_url_to_href

    @classmethod
    def get_first_comic_link(cls):
        """Get link to first comics."""
        return get_soup_at_url(cls.url).find("div", id="st").parent

    @classmethod
    def get_navi_link(cls, last_soup, next_):
        """Get link to next or previous comic."""
        div = last_soup.find("div", id="nx" if next_ else "pvs")
        return div.parent if div else None

    @classmethod
    def get_comic_info(cls, soup, link):
        """Get information about a particular comics."""
        title = soup.find('title').string
        title_imgs = soup.find('div', id='tt').find_all('img')
        assert len(title_imgs) == 1
        strip_imgs = soup.find_all('img', id='strip')
        assert len(strip_imgs) == 1
        imgs = title_imgs + strip_imgs
        desc = ' '.join(i['title'] for i in imgs)
        return {
            'title': title,
            'img': [i['src'] for i in imgs],
            'description': desc,
        }


class ScandinaviaAndTheWorld(GenericNavigableComic):
    """Class to retrieve Scandinavia And The World comics."""
    name = 'satw'
    long_name = 'Scandinavia And The World'
    url = 'http://satwcomic.com'
    get_first_comic_link = simulate_first_link
    first_url = 'http://satwcomic.com/sweden-denmark-and-norway'

    @classmethod
    def get_navi_link(cls, last_soup, next_):
        """Get link to next or previous comic."""
        return last_soup.find('a', accesskey='n' if next_ else 'p')

    @classmethod
    def get_comic_info(cls, soup, link):
        """Get information about a particular comics."""
        title = soup.find('meta', attrs={'name': 'twitter:label1'})['content']
        desc = soup.find('meta', property='og:description')['content']
        imgs = soup.find_all('img', itemprop="image")
        return {
            'title': title,
            'description': desc,
            'img': [i['src'] for i in imgs],
        }


class SomethingOfThatIlk(GenericEmptyComic):  # Does not exist anymore
    """Class to retrieve the Something Of That Ilk comics."""
    name = 'somethingofthatilk'
    long_name = 'Something Of That Ilk'
    url = 'http://www.somethingofthatilk.com'


class InfiniteMonkeyBusiness(GenericNavigableComic):
    """Generic class to retrieve InfiniteMonkeyBusiness comics."""
    name = 'monkey'
    long_name = 'Infinite Monkey Business'
    url = 'http://infinitemonkeybusiness.net'
    get_navi_link = get_a_navi_comicnavnext_navinext
    get_first_comic_link = simulate_first_link
    first_url = 'http://infinitemonkeybusiness.net/comic/pillory/'

    @classmethod
    def get_comic_info(cls, soup, link):
        """Get information about a particular comics."""
        title = soup.find('meta', property='og:title')['content']
        imgs = soup.find('div', id='comic').find_all('img')
        return {
            'title': title,
            'img': [i['src'] for i in imgs],
        }


class Wondermark(GenericListableComic):
    """Class to retrieve the Wondermark comics."""
    name = 'wondermark'
    long_name = 'Wondermark'
    url = 'http://wondermark.com'
    get_url_from_archive_element = get_href

    @classmethod
    def get_archive_elements(cls):
        archive_url = urljoin_wrapper(cls.url, 'archive/')
        return reversed(get_soup_at_url(archive_url).find_all('a', rel='bookmark'))

    @classmethod
    def get_comic_info(cls, soup, link):
        """Get information about a particular comics."""
        date_str = soup.find('div', class_='postdate').find('em').string
        day = string_to_date(remove_st_nd_rd_th_from_date(date_str), "%B %d, %Y")
        div = soup.find('div', id='comic')
        if div:
            img = div.find('img')
            img_src = [img['src']]
            alt = img['alt']
            assert alt == img['title']
            title = soup.find('meta', property='og:title')['content']
        else:
            img_src = []
            alt = ''
            title = ''
        return {
            'month': day.month,
            'year': day.year,
            'day': day.day,
            'img': img_src,
            'title': title,
            'alt': alt,
            'tags': ' '.join(t.string for t in soup.find('div', class_='postmeta').find_all('a', rel='tag')),
        }


class WarehouseComic(GenericNavigableComic):
    """Class to retrieve Warehouse Comic comics."""
    name = 'warehouse'
    long_name = 'Warehouse Comic'
    url = 'http://warehousecomic.com'
    get_first_comic_link = get_a_navi_navifirst
    get_navi_link = get_link_rel_next

    @classmethod
    def get_comic_info(cls, soup, link):
        """Get information about a particular comics."""
        title = soup.find('h2', class_='post-title').string
        date_str = soup.find('span', class_='post-date').string
        day = string_to_date(date_str, "%B %d, %Y")
        imgs = soup.find('div', id='comic').find_all('img')
        return {
            'img': [i['src'] for i in imgs],
            'title': title,
            'day': day.day,
            'month': day.month,
            'year': day.year,
        }


class JustSayEh(GenericNavigableComic):
    """Class to retrieve Just Say Eh comics."""
    # Also on http//tapastic.com/series/Just-Say-Eh
    name = 'justsayeh'
    long_name = 'Just Say Eh'
    url = 'http://www.justsayeh.com'
    get_first_comic_link = get_a_navi_navifirst
    get_navi_link = get_a_navi_comicnavnext_navinext

    @classmethod
    def get_comic_info(cls, soup, link):
        """Get information about a particular comics."""
        title = soup.find('h2', class_='post-title').string
        imgs = soup.find("div", id="comic").find_all("img")
        assert all(i['alt'] == i['title'] for i in imgs)
        alt = imgs[0]['alt']
        return {
            'img': [i['src'] for i in imgs],
            'title': title,
            'alt': alt,
        }


class MouseBearComedy(GenericNavigableComic):
    """Class to retrieve Mouse Bear Comedy comics."""
    # Also on http://mousebearcomedy.tumblr.com
    name = 'mousebear'
    long_name = 'Mouse Bear Comedy'
    url = 'http://www.mousebearcomedy.com'
    get_first_comic_link = get_a_navi_navifirst
    get_navi_link = get_a_navi_comicnavnext_navinext

    @classmethod
    def get_comic_info(cls, soup, link):
        """Get information about a particular comics."""
        title = soup.find('h2', class_='post-title').string
        author = soup.find("span", class_="post-author").find("a").string
        date_str = soup.find("span", class_="post-date").string
        day = string_to_date(date_str, '%B %d, %Y')
        imgs = soup.find("div", id="comic").find_all("img")
        assert all(i['alt'] == i['title'] == title for i in imgs)
        return {
            'day': day.day,
            'month': day.month,
            'year': day.year,
            'img': [i['src'] for i in imgs],
            'title': title,
            'author': author,
        }


class BigFootJustice(GenericNavigableComic):
    """Class to retrieve Big Foot Justice comics."""
    # Also on http://tapastic.com/series/bigfoot-justice
    name = 'bigfoot'
    long_name = 'Big Foot Justice'
    url = 'http://bigfootjustice.com'
    get_first_comic_link = get_a_navi_navifirst
    get_navi_link = get_a_navi_comicnavnext_navinext

    @classmethod
    def get_comic_info(cls, soup, link):
        """Get information about a particular comics."""
        imgs = soup.find('div', id='comic').find_all('img')
        assert all(i['title'] == i['alt'] for i in imgs)
        title = ' '.join(i['title'] for i in imgs)
        return {
            'img': [i['src'] for i in imgs],
            'title': title,
        }


class RespawnComic(GenericNavigableComic):
    """Class to retrieve Respawn Comic."""
    # Also on https://respawncomic.tumblr.com
    name = 'respawn'
    long_name = 'Respawn Comic'
    url = 'http://respawncomic.com '
    _categories = ('RESPAWN', )
    get_navi_link = get_a_rel_next
    get_first_comic_link = simulate_first_link
    first_url = 'http://respawncomic.com/comic/c0001/'

    @classmethod
    def get_comic_info(cls, soup, link):
        """Get information about a particular comics."""
        title = soup.find('meta', property='og:title')['content']
        author = soup.find('meta', attrs={'name': 'shareaholic:article_author_name'})['content']
        date_str = soup.find('meta', attrs={'name': 'shareaholic:article_published_time'})['content']
        date_str = date_str[:10]
        day = string_to_date(date_str, "%Y-%m-%d")
        imgs = soup.find_all('meta', property='og:image')
        skip_imgs = {
            'http://respawncomic.com/wp-content/uploads/2016/03/site/HAROLD2.png',
            'http://respawncomic.com/wp-content/uploads/2016/03/site/DEVA.png'
        }
        return {
            'title': title,
            'author': author,
            'day': day.day,
            'month': day.month,
            'year': day.year,
            'img': [i['content'] for i in imgs if i['content'] not in skip_imgs],
        }


class SafelyEndangered(GenericNavigableComic):
    """Class to retrieve Safely Endangered comics."""
    # Also on http://tumblr.safelyendangered.com
    name = 'endangered'
    long_name = 'Safely Endangered'
    url = 'http://www.safelyendangered.com'
    get_navi_link = get_link_rel_next
    get_first_comic_link = simulate_first_link
    first_url = 'http://www.safelyendangered.com/comic/ignored/'

    @classmethod
    def get_comic_info(cls, soup, link):
        """Get information about a particular comics."""
        title = soup.find('h2', class_='post-title').string
        date_str = soup.find('span', class_='post-date').string
        day = string_to_date(date_str, '%B %d, %Y')
        imgs = soup.find('div', id='comic').find_all('img')
        alt = imgs[0]['alt']
        assert all(i['alt'] == i['title'] for i in imgs)
        return {
            'day': day.day,
            'month': day.month,
            'year': day.year,
            'img': [i['src'] for i in imgs],
            'title': title,
            'alt': alt,
        }


class PicturesInBoxes(GenericNavigableComic):
    """Class to retrieve Pictures In Boxes comics."""
    # Also on https://picturesinboxescomic.tumblr.com
    name = 'picturesinboxes'
    long_name = 'Pictures in Boxes'
    url = 'http://www.picturesinboxes.com'
    get_navi_link = get_a_navi_navinext
    get_first_comic_link = simulate_first_link
    first_url = 'http://www.picturesinboxes.com/2013/10/26/tetris/'

    @classmethod
    def get_comic_info(cls, soup, link):
        """Get information about a particular comics."""
        title = soup.find('h2', class_='post-title').string
        author = soup.find("span", class_="post-author").find("a").string
        date_str = soup.find('span', class_='post-date').string
        day = string_to_date(date_str, '%B %d, %Y')
        imgs = soup.find('div', class_='comicpane').find_all('img')
        assert imgs
        assert all(i['title'] == i['alt'] == title for i in imgs)
        return {
            'day': day.day,
            'month': day.month,
            'year': day.year,
            'img': [i['src'] for i in imgs],
            'title': title,
            'author': author,
        }


class Penmen(GenericNavigableComic):
    """Class to retrieve Penmen comics."""
    name = 'penmen'
    long_name = 'Penmen'
    url = 'http://penmen.com'
    get_navi_link = get_link_rel_next
    get_first_comic_link = simulate_first_link
    first_url = 'http://penmen.com/index.php/2016/09/12/penmen-announces-grin-big-brand-clothing/'

    @classmethod
    def get_comic_info(cls, soup, link):
        """Get information about a particular comics."""
        title = soup.find('title').string
        imgs = soup.find('div', class_='entry-content').find_all('img')
        short_url = soup.find('link', rel='shortlink')['href']
        tags = ' '.join(t.string for t in soup.find_all('a', rel='tag'))
        date_str = soup.find('time')['datetime'][:10]
        day = string_to_date(date_str, "%Y-%m-%d")
        return {
            'title': title,
            'short_url': short_url,
            'img': [i['src'] for i in imgs],
            'tags': tags,
            'month': day.month,
            'year': day.year,
            'day': day.day,
        }


class TheDoghouseDiaries(GenericNavigableComic):
    """Class to retrieve The Dog House Diaries comics."""
    name = 'doghouse'
    long_name = 'The Dog House Diaries'
    url = 'http://thedoghousediaries.com'

    @classmethod
    def get_first_comic_link(cls):
        """Get link to first comics."""
        return get_soup_at_url(cls.url).find('a', id='firstlink')

    @classmethod
    def get_navi_link(cls, last_soup, next_):
        """Get link to next or previous comic."""
        return last_soup.find('a', id='nextlink' if next_ else 'previouslink')

    @classmethod
    def get_comic_info(cls, soup, link):
        """Get information about a particular comics."""
        comic_img_re = re.compile('^dhdcomics/.*')
        img = soup.find('img', src=comic_img_re)
        comic_url = cls.get_url_from_link(link)
        return {
            'title': soup.find('h2', id='titleheader').string,
            'title2': soup.find('div', id='subtext').string,
            'alt': img.get('title'),
            'img': [urljoin_wrapper(comic_url, img['src'].strip())],
            'num': int(comic_url.split('/')[-1]),
        }


class InvisibleBread(GenericListableComic):
    """Class to retrieve Invisible Bread comics."""
    # Also on http://www.gocomics.com/invisible-bread
    name = 'invisiblebread'
    long_name = 'Invisible Bread'
    url = 'http://invisiblebread.com'

    @classmethod
    def get_archive_elements(cls):
        archive_url = urljoin_wrapper(cls.url, 'archives/')
        return reversed(get_soup_at_url(archive_url).find_all('td', class_='archive-title'))

    @classmethod
    def get_url_from_archive_element(cls, td):
        return td.find('a')['href']

    @classmethod
    def get_comic_info(cls, soup, td):
        """Get information about a particular comics."""
        url = cls.get_url_from_archive_element(td)
        title = td.find('a').string
        month_and_day = td.previous_sibling.string
        link_re = re.compile('^%s/([0-9]+)/' % cls.url)
        year = link_re.match(url).groups()[0]
        date_str = month_and_day + ' ' + year
        day = string_to_date(date_str, '%b %d %Y')
        imgs = [soup.find('div', id='comic').find('img')]
        assert len(imgs) == 1
        assert all(i['title'] == i['alt'] == title for i in imgs)
        return {
            'month': day.month,
            'year': day.year,
            'day': day.day,
            'img': [urljoin_wrapper(cls.url, i['src']) for i in imgs],
            'title': title,
        }


class DiscoBleach(GenericEmptyComic):  # Does not work anymore
    """Class to retrieve Disco Bleach Comics."""
    name = 'discobleach'
    long_name = 'Disco Bleach'
    url = 'http://discobleach.com'


class TubeyToons(GenericEmptyComic):  # Does not work anymore
    """Class to retrieve TubeyToons comics."""
    # Also on http://tapastic.com/series/Tubey-Toons
    # Also on https://tubeytoons.tumblr.com
    name = 'tubeytoons'
    long_name = 'Tubey Toons'
    url = 'http://tubeytoons.com'
    _categories = ('TUNEYTOONS', )


class CompletelySeriousComics(GenericNavigableComic):
    """Class to retrieve Completely Serious comics."""
    name = 'completelyserious'
    long_name = 'Completely Serious Comics'
    url = 'http://completelyseriouscomics.com'
    get_first_comic_link = get_a_navi_navifirst
    get_navi_link = get_a_navi_navinext

    @classmethod
    def get_comic_info(cls, soup, link):
        """Get information about a particular comics."""
        title = soup.find('h2', class_='post-title').string
        author = soup.find('span', class_='post-author').contents[1].string
        date_str = soup.find('span', class_='post-date').string
        day = string_to_date(date_str, '%B %d, %Y')
        imgs = soup.find('div', class_='comicpane').find_all('img')
        assert imgs
        alt = imgs[0]['title']
        assert all(i['title'] == i['alt'] == alt for i in imgs)
        return {
            'month': day.month,
            'year': day.year,
            'day': day.day,
            'img': [i['src'] for i in imgs],
            'title': title,
            'alt': alt,
            'author': author,
        }


class PoorlyDrawnLines(GenericListableComic):

This code seems to be duplicated in your project.

    """Class to retrieve Poorly Drawn Lines comics."""
    # Also on http://pdlcomics.tumblr.com
    name = 'poorlydrawn'
    long_name = 'Poorly Drawn Lines'
    url = 'https://www.poorlydrawnlines.com'
    _categories = ('POORLYDRAWN', )
    get_url_from_archive_element = get_href

    @classmethod
    def get_comic_info(cls, soup, link):
        """Get information about a particular comics."""
        imgs = soup.find('div', class_='post').find_all('img')
        assert len(imgs) <= 1
        return {
            'img': [i['src'] for i in imgs],
            'title': imgs[0].get('title', "") if imgs else "",
        }

    @classmethod
    def get_archive_elements(cls):
        archive_url = urljoin_wrapper(cls.url, 'archive')
        url_re = re.compile('^%s/comic/.' % cls.url)
        return reversed(get_soup_at_url(archive_url).find_all('a', href=url_re))

This code seems to be duplicated in your project.

class LoadingComics(GenericNavigableComic):
    """Class to retrieve Loading Artist comics."""
    name = 'loadingartist'
    long_name = 'Loading Artist'
    url = 'http://www.loadingartist.com/latest'

    @classmethod
    def get_first_comic_link(cls):
        """Get link to first comics."""
        return get_soup_at_url(cls.url).find('a', title="First")

    @classmethod
    def get_navi_link(cls, last_soup, next_):
        """Get link to next or previous comic."""
        return last_soup.find('a', title='Next' if next_ else 'Previous')

    @classmethod
    def get_comic_info(cls, soup, link):
        """Get information about a particular comics."""
        title = soup.find('h1').string
        date_str = soup.find('span', class_='date').string.strip()
        day = string_to_date(date_str, "%B %d, %Y")
        imgs = soup.find('div', class_='comic').find_all('img', alt='', title='')
        return {
            'title': title,
            'img': [i['src'] for i in imgs],
            'month': day.month,
            'year': day.year,
            'day': day.day,
        }


class ChuckleADuck(GenericNavigableComic):
    """Class to retrieve Chuckle-A-Duck comics."""
    name = 'chuckleaduck'
    long_name = 'Chuckle-A-duck'
    url = 'http://chuckleaduck.com'
    get_first_comic_link = get_div_navfirst_a
    get_navi_link = get_link_rel_next

    @classmethod
    def get_comic_info(cls, soup, link):
        """Get information about a particular comics."""
        date_str = soup.find('span', class_='post-date').string
        day = string_to_date(remove_st_nd_rd_th_from_date(date_str), "%B %d, %Y")
        author = soup.find('span', class_='post-author').string
        div = soup.find('div', id='comic')
        imgs = div.find_all('img') if div else []
        title = imgs[0]['title'] if imgs else ""
        assert all(i['title'] == i['alt'] == title for i in imgs)
        return {
            'month': day.month,
            'year': day.year,
            'day': day.day,
            'img': [i['src'] for i in imgs],
            'title': title,
            'author': author,
        }


class DepressedAlien(GenericNavigableComic):
    """Class to retrieve Depressed Alien Comics."""
    name = 'depressedalien'
    long_name = 'Depressed Alien'
    url = 'http://depressedalien.com'
    get_url_from_link = join_cls_url_to_href

    @classmethod
    def get_first_comic_link(cls):
        """Get link to first comics."""
        return get_soup_at_url(cls.url).find('img', attrs={'name': 'beginArrow'}).parent

    @classmethod
    def get_navi_link(cls, last_soup, next_):
        """Get link to next or previous comic."""
        return last_soup.find('img', attrs={'name': 'rightArrow' if next_ else 'leftArrow'}).parent

    @classmethod
    def get_comic_info(cls, soup, link):
        """Get information about a particular comics."""
        title = soup.find('meta', attrs={'name': 'twitter:title'})['content']
        imgs = soup.find_all('meta', property='og:image')
        return {
            'title': title,
            'img': [i['content'] for i in imgs],
        }


class TurnOffUs(GenericListableComic):
    """Class to retrieve TurnOffUs comics."""
    name = 'turnoffus'
    long_name = 'Turn Off Us'
    url = 'http://turnoff.us'
    get_url_from_archive_element = join_cls_url_to_href

    @classmethod
    def get_archive_elements(cls):
        archive_url = urljoin_wrapper(cls.url, 'all')
        post_list = get_soup_at_url(archive_url).find('ul', class_='post-list')
        return reversed(post_list.find_all('a', class_='post-link'))

    @classmethod
    def get_comic_info(cls, soup, archive_elt):
        """Get information about a particular comics."""
        title = soup.find('meta', property='og:title')['content']
        imgs = soup.find_all('meta', property='og:image')
        return {
            'title': title,
            'img': [i['content'] for i in imgs],
        }


class ThingsInSquares(GenericListableComic):
    """Class to retrieve Things In Squares comics."""
    # This can be retrieved in other languages
    # Also on https://tapastic.com/series/Things-in-Squares
    name = 'squares'
    long_name = 'Things in squares'
    url = 'http://www.thingsinsquares.com'

    @classmethod
    def get_comic_info(cls, soup, tr):
        """Get information about a particular comics."""
        _, td2, td3 = tr.find_all('td')
        a = td2.find('a')
        date_str = td3.string
        day = string_to_date(date_str, "%m.%d.%y")
        title = a.string
        title2 = soup.find('meta', property='og:title')['content']
        desc = soup.find('meta', property='og:description')
        description = desc['content'] if desc else ''
        tags = ' '.join(t['content'] for t in soup.find_all('meta', property='article:tag'))
        imgs = soup.find('div', class_='entry-content').find_all('img')
        return {
            'day': day.day,
            'month': day.month,
            'year': day.year,
            'title': title,
            'title2': title2,
            'description': description,
            'tags': tags,
            'img': [i['src'] for i in imgs],
            'alt': ' '.join(i['alt'] for i in imgs),
        }

    @classmethod
    def get_url_from_archive_element(cls, tr):
        _, td2, __ = tr.find_all('td')
        return td2.find('a')['href']

    @classmethod
    def get_archive_elements(cls):
        archive_url = urljoin_wrapper(cls.url, 'archive-2')
        return reversed(get_soup_at_url(archive_url).find('tbody').find_all('tr'))


class HappleTea(GenericNavigableComic):
    """Class to retrieve Happle Tea Comics."""
    name = 'happletea'
    long_name = 'Happle Tea'
    url = 'http://www.happletea.com'
    get_first_comic_link = get_a_navi_navifirst
    get_navi_link = get_link_rel_next

    @classmethod
    def get_comic_info(cls, soup, link):
        """Get information about a particular comics."""
        imgs = soup.find('div', id='comic').find_all('img')
        post = soup.find('div', class_='post-content')
        title = post.find('h2', class_='post-title').string
        author = post.find('a', rel='author').string
        date_str = post.find('span', class_='post-date').string
        day = string_to_date(date_str, "%B %d, %Y")
        assert all(i['alt'] == i['title'] for i in imgs)
        return {
            'title': title,
            'img': [i['src'] for i in imgs],
            'alt': ''.join(i['alt'] for i in imgs),
            'month': day.month,
            'year': day.year,
            'day': day.day,
            'author': author,
        }


class RockPaperScissors(GenericNavigableComic):
    """Class to retrieve Rock Paper Scissors comics."""
    name = 'rps'
    long_name = 'Rock Paper Scissors'
    url = 'http://rps-comics.com'
    get_first_comic_link = get_a_navi_navifirst
    get_navi_link = get_link_rel_next

    @classmethod
    def get_comic_info(cls, soup, link):
        """Get information about a particular comics."""
        title = soup.find('title').string
        imgs = soup.find_all('meta', property='og:image')
        short_url = soup.find('link', rel='shortlink')['href']
        transcript = soup.find('div', id='transcript-content').string
        return {
            'title': title,
            'transcript': transcript,
            'short_url': short_url,
            'img': [i['content'] for i in imgs],
        }


class FatAwesomeComics(GenericNavigableComic):
    """Class to retrieve Fat Awesome Comics."""
    # Also on http://fatawesomecomedy.tumblr.com
    name = 'fatawesome'
    long_name = 'Fat Awesome'
    url = 'http://fatawesome.com/comics'
    get_navi_link = get_a_rel_next
    get_first_comic_link = simulate_first_link
    first_url = 'http://fatawesome.com/shortbus/'

    @classmethod
    def get_comic_info(cls, soup, link):
        """Get information about a particular comics."""
        title = soup.find('meta', attrs={'name': 'twitter:title'})['content']
        description = soup.find('meta', attrs={'name': 'description'})['content']
        tags_prop = soup.find('meta', property='article:tag')
        tags = tags_prop['content'] if tags_prop else ""
        date_str = soup.find('meta', property='article:published_time')['content'][:10]
        day = string_to_date(date_str, "%Y-%m-%d")
        imgs = soup.find_all('img', attrs={'data-recalc-dims': "1"})
        assert len(imgs) == 1
        return {
            'title': title,
            'description': description,
            'tags': tags,
            'alt': "".join(i['alt'] for i in imgs),
            'img': [i['src'].rsplit('?', 1)[0] for i in imgs],
            'month': day.month,
            'year': day.year,
            'day': day.day,
        }


class JuliasDrawings(GenericListableComic):

This code seems to be duplicated in your project.

    """Class to retrieve Julia's Drawings."""
    name = 'julia'
    long_name = "Julia's Drawings"
    url = 'https://drawings.jvns.ca'
    get_url_from_archive_element = get_href

    @classmethod
    def get_archive_elements(cls):
        articles = get_soup_at_url(cls.url).find_all('article', class_='li post')
        return [art.find('a') for art in reversed(articles)]

    @classmethod
    def get_comic_info(cls, soup, archive_elt):
        """Get information about a particular comics."""
        date_str = soup.find('meta', property='og:article:published_time')['content'][:10]
        day = string_to_date(date_str, "%Y-%m-%d")
        title = soup.find('h3', class_='p-post-title').string
        imgs = soup.find('section', class_='post-content').find_all('img')
        return {
            'title': title,
            'img': [urljoin_wrapper(cls.url, i['src']) for i in imgs],
            'month': day.month,
            'year': day.year,
            'day': day.day,
        }


class AnythingComic(GenericListableComic):
    """Class to retrieve Anything Comics."""
    # Also on http://tapastic.com/series/anything
    name = 'anythingcomic'
    long_name = 'Anything Comic'
    url = 'http://www.anythingcomic.com'

    @classmethod
    def get_archive_elements(cls):
        archive_url = urljoin_wrapper(cls.url, 'archive/')
        # The first 2 <tr>'s do not correspond to comics
        return get_soup_at_url(archive_url).find('table', id='chapter_table').find_all('tr')[2:]

    @classmethod
    def get_url_from_archive_element(cls, tr):
        """Get url corresponding to an archive element."""
        _, td_comic, td_date, _ = tr.find_all('td')
        link = td_comic.find('a')
        return urljoin_wrapper(cls.url, link['href'])

    @classmethod
    def get_comic_info(cls, soup, tr):
        """Get information about a particular comics."""
        td_num, td_comic, td_date, _ = tr.find_all('td')
        num = int(td_num.string)
        link = td_comic.find('a')
        title = link.string
        imgs = soup.find_all('img', id='comic_image')
        date_str = td_date.string
        day = string_to_date(remove_st_nd_rd_th_from_date(date_str), "%B %d, %Y, %I:%M %p")
        assert len(imgs) == 1
        assert all(i.get('alt') == i.get('title') for i in imgs)
        return {
            'num': num,
            'title': title,
            'alt': imgs[0].get('alt', ''),
            'img': [i['src'] for i in imgs],
            'month': day.month,
            'year': day.year,
            'day': day.day,
        }


class LonnieMillsap(GenericNavigableComic):
    """Class to retrieve Lonnie Millsap's comics."""
    name = 'millsap'
    long_name = 'Lonnie Millsap'
    url = 'http://www.lonniemillsap.com'
    get_navi_link = get_link_rel_next
    get_first_comic_link = simulate_first_link
    first_url = 'http://www.lonniemillsap.com/?p=42'

    @classmethod
    def get_comic_info(cls, soup, link):
        """Get information about a particular comics."""
        title = soup.find('h2', class_='post-title').string
        post = soup.find('div', class_='post-content')
        author = post.find("span", class_="post-author").find("a").string
        date_str = post.find("span", class_="post-date").string
        day = string_to_date(date_str, "%B %d, %Y")
        imgs = post.find("div", class_="entry").find_all("img")
        return {
            'title': title,
            'author': author,
            'img': [i['src'] for i in imgs],
            'month': day.month,
            'year': day.year,
            'day': day.day,
        }

This code seems to be duplicated in your project.

class LinsEditions(GenericNavigableComic):
    """Class to retrieve L.I.N.S. Editions comics."""
    # Also on https://linscomics.tumblr.com
    # Now on https://warandpeas.com
    name = 'lins'
    long_name = 'L.I.N.S. Editions'
    url = 'https://linsedition.com'
    _categories = ('LINS', )
    get_navi_link = get_link_rel_next
    get_first_comic_link = simulate_first_link
    first_url = 'https://linsedition.com/2011/09/07/l-i-n-s/'

    @classmethod
    def get_comic_info(cls, soup, link):
        """Get information about a particular comics."""
        title = soup.find('meta', property='og:title')['content']
        imgs = soup.find_all('meta', property='og:image')
        date_str = soup.find('meta', property='article:published_time')['content'][:10]
        day = string_to_date(date_str, "%Y-%m-%d")
        return {
            'title': title,
            'img': [i['content'] for i in imgs],
            'month': day.month,
            'year': day.year,
            'day': day.day,
        }


class ThorsThundershack(GenericNavigableComic):
    """Class to retrieve Thor's Thundershack comics."""
    # Also on http://tapastic.com/series/Thors-Thundershac
    name = 'thor'
    long_name = 'Thor\'s Thundershack'
    url = 'http://www.thorsthundershack.com'
    _categories = ('THOR', )
    get_url_from_link = join_cls_url_to_href

    @classmethod
    def get_first_comic_link(cls):
        """Get link to first comics."""
        return get_soup_at_url(cls.url).find('a', class_='first navlink')

    @classmethod
    def get_navi_link(cls, last_soup, next_):
        """Get link to next or previous comic."""
        for link in last_soup.find_all('a', rel='next' if next_ else 'prev'):
            if link['href'] != '/comic':
                return link

This code seems to be duplicated in your project.

        return None

    @classmethod
    def get_comic_info(cls, soup, link):
        """Get information about a particular comics."""
        title = soup.find('meta', attrs={'name': 'description'})["content"]
        description = soup.find('div', itemprop='articleBody').text
        author = soup.find('span', itemprop='author copyrightHolder').string
        imgs = soup.find_all('img', itemprop='image')
        assert all(i['title'] == i['alt'] for i in imgs)
        alt = imgs[0]['alt'] if imgs else ""
        date_str = soup.find('time', itemprop='datePublished')["datetime"]
        day = string_to_date(date_str, "%Y-%m-%d %H:%M:%S")
        return {
            'img': [urljoin_wrapper(cls.url, i['src']) for i in imgs],
            'month': day.month,
            'year': day.year,
            'day': day.day,
            'author': author,
            'title': title,
            'alt': alt,
            'description': description,
        }


class GerbilWithAJetpack(GenericNavigableComic):
    """Class to retrieve GerbilWithAJetpack comics."""
    name = 'gerbil'
    long_name = 'Gerbil With A Jetpack'
    url = 'http://gerbilwithajetpack.com'
    get_first_comic_link = get_a_navi_navifirst
    get_navi_link = get_a_rel_next

    @classmethod
    def get_comic_info(cls, soup, link):
        """Get information about a particular comics."""
        title = soup.find('h2', class_='post-title').string
        author = soup.find("span", class_="post-author").find("a").string
        date_str = soup.find("span", class_="post-date").string
        day = string_to_date(date_str, "%B %d, %Y")
        imgs = soup.find("div", id="comic").find_all("img")
        alt = imgs[0]['alt']
        assert all(i['alt'] == i['title'] == alt for i in imgs)
        return {
            'img': [i['src'] for i in imgs],
            'title': title,
            'alt': alt,
            'author': author,
            'day': day.day,
            'month': day.month,
            'year': day.year
        }


class EveryDayBlues(GenericEmptyComic, GenericNavigableComic):
    """Class to retrieve EveryDayBlues Comics."""
    name = "blues"
    long_name = "Every Day Blues"
    url = "http://everydayblues.net"
    get_first_comic_link = get_a_navi_navifirst
    get_navi_link = get_link_rel_next

    @classmethod
    def get_comic_info(cls, soup, link):
        """Get information about a particular comics."""
        title = soup.find("h2", class_="post-title").string
        author = soup.find("span", class_="post-author").find("a").string
        date_str = soup.find("span", class_="post-date").string
        day = string_to_date(date_str, "%d. %B %Y", "de_DE.utf8")
        imgs = soup.find("div", id="comic").find_all("img")
        assert all(i['alt'] == i['title'] == title for i in imgs)
        assert len(imgs) <= 1
        return {
            'img': [i['src'] for i in imgs],
            'title': title,
            'author': author,
            'day': day.day,
            'month': day.month,
            'year': day.year
        }


class BiterComics(GenericNavigableComic):
    """Class to retrieve Biter Comics."""
    name = "biter"
    long_name = "Biter Comics"
    url = "http://www.bitercomics.com"
    get_first_comic_link = get_a_navi_navifirst
    get_navi_link = get_link_rel_next

    @classmethod
    def get_comic_info(cls, soup, link):
        """Get information about a particular comics."""
        title = soup.find("h1", class_="entry-title").string
        author = soup.find("span", class_="author vcard").find("a").string
        date_str = soup.find("span", class_="entry-date").string
        day = string_to_date(date_str, "%B %d, %Y")
        imgs = soup.find("div", id="comic").find_all("img")
        assert all(i['alt'] == i['title'] for i in imgs)
        assert len(imgs) == 1
        alt = imgs[0]['alt']
        return {
            'img': [i['src'] for i in imgs],
            'title': title,
            'alt': alt,
            'author': author,
            'day': day.day,
            'month': day.month,
            'year': day.year
        }


class TheAwkwardYeti(GenericNavigableComic):
    """Class to retrieve The Awkward Yeti comics."""
    # Also on http://www.gocomics.com/the-awkward-yeti
    # Also on http://larstheyeti.tumblr.com
    # Also on https://tapastic.com/series/TheAwkwardYeti
    name = 'yeti'
    long_name = 'The Awkward Yeti'
    url = 'http://theawkwardyeti.com'
    _categories = ('YETI', )
    get_first_comic_link = get_a_navi_navifirst
    get_navi_link = get_link_rel_next

    @classmethod
    def get_comic_info(cls, soup, link):
        """Get information about a particular comics."""
        title = soup.find('h2', class_='post-title').string
        date_str = soup.find("span", class_="post-date").string
        day = string_to_date(date_str, "%B %d, %Y")
        imgs = soup.find("div", id="comic").find_all("img")
        assert all(idx > 0 or i['alt'] == i['title'] for idx, i in enumerate(imgs))
        return {
            'img': [i['src'] for i in imgs],
            'title': title,
            'day': day.day,
            'month': day.month,
            'year': day.year
        }


class PleasantThoughts(GenericNavigableComic):
    """Class to retrieve Pleasant Thoughts comics."""
    name = 'pleasant'
    long_name = 'Pleasant Thoughts'
    url = 'http://pleasant-thoughts.com'
    get_first_comic_link = get_a_navi_navifirst
    get_navi_link = get_link_rel_next

    @classmethod
    def get_comic_info(cls, soup, link):
        """Get information about a particular comics."""
        post = soup.find('div', class_='post-content')
        title = post.find('h2', class_='post-title').string
        imgs = post.find("div", class_="entry").find_all("img")
        return {
            'title': title,
            'img': [i['src'] for i in imgs],
        }


class MisterAndMe(GenericNavigableComic):
    """Class to retrieve Mister & Me Comics."""
    # Also on http://www.gocomics.com/mister-and-me
    # Also on https://tapastic.com/series/Mister-and-Me
    name = 'mister'
    long_name = 'Mister & Me'
    url = 'http://www.mister-and-me.com'
    get_first_comic_link = get_a_comicnavbase_comicnavfirst
    get_navi_link = get_link_rel_next

    @classmethod
    def get_comic_info(cls, soup, link):
        """Get information about a particular comics."""
        title = soup.find('h2', class_='post-title').string
        author = soup.find("span", class_="post-author").find("a").string
        date_str = soup.find("span", class_="post-date").string
        day = string_to_date(date_str, "%B %d, %Y")
        imgs = soup.find("div", id="comic").find_all("img")
        assert all(i['alt'] == i['title'] for i in imgs)
        assert len(imgs) <= 1
        alt = imgs[0]['alt'] if imgs else ""
        return {
            'img': [i['src'] for i in imgs],
            'title': title,
            'alt': alt,
            'author': author,
            'day': day.day,
            'month': day.month,
            'year': day.year
        }


class LastPlaceComics(GenericNavigableComic):
    """Class to retrieve Last Place Comics."""
    name = 'lastplace'
    long_name = 'Last Place Comics'
    url = "http://lastplacecomics.com"
    get_first_comic_link = get_a_comicnavbase_comicnavfirst
    get_navi_link = get_link_rel_next

    @classmethod
    def get_comic_info(cls, soup, link):
        """Get information about a particular comics."""
        title = soup.find('h2', class_='post-title').string
        author = soup.find("span", class_="post-author").find("a").string
        date_str = soup.find("span", class_="post-date").string
        day = string_to_date(date_str, "%B %d, %Y")
        imgs = soup.find("div", id="comic").find_all("img")
        assert all(i['alt'] == i['title'] for i in imgs)
        assert len(imgs) <= 1
        alt = imgs[0]['alt'] if imgs else ""
        return {
            'img': [i['src'] for i in imgs],
            'title': title,
            'alt': alt,
            'author': author,
            'day': day.day,
            'month': day.month,
            'year': day.year
        }


class TalesOfAbsurdity(GenericNavigableComic):
    """Class to retrieve Tales Of Absurdity comics."""
    # Also on http://tapastic.com/series/Tales-Of-Absurdity
    # Also on http://talesofabsurdity.tumblr.com
    name = 'absurdity'
    long_name = 'Tales of Absurdity'
    url = 'http://talesofabsurdity.com'
    _categories = ('ABSURDITY', )
    get_first_comic_link = get_a_navi_navifirst
    get_navi_link = get_a_navi_comicnavnext_navinext

    @classmethod
    def get_comic_info(cls, soup, link):
        """Get information about a particular comics."""
        title = soup.find('h2', class_='post-title').string
        author = soup.find("span", class_="post-author").find("a").string
        date_str = soup.find("span", class_="post-date").string
        day = string_to_date(date_str, "%B %d, %Y")
        imgs = soup.find("div", id="comic").find_all("img")
        assert all(i['alt'] == i['title'] for i in imgs)
        alt = imgs[0]['alt'] if imgs else ""
        return {
            'img': [i['src'] for i in imgs],
            'title': title,
            'alt': alt,
            'author': author,
            'day': day.day,
            'month': day.month,
            'year': day.year
        }


class EndlessOrigami(GenericEmptyComic, GenericNavigableComic):
    """Class to retrieve Endless Origami Comics."""
    name = "origami"
    long_name = "Endless Origami"
    url = "http://endlessorigami.com"
    get_first_comic_link = get_a_navi_navifirst
    get_navi_link = get_link_rel_next

    @classmethod
    def get_comic_info(cls, soup, link):
        """Get information about a particular comics."""
        title = soup.find('h2', class_='post-title').string
        author = soup.find("span", class_="post-author").find("a").string
        date_str = soup.find("span", class_="post-date").string
        day = string_to_date(date_str, "%B %d, %Y")
        imgs = soup.find("div", id="comic").find_all("img")
        assert all(i['alt'] == i['title'] for i in imgs)
        alt = imgs[0]['alt'] if imgs else ""
        return {
            'img': [i['src'] for i in imgs],
            'title': title,
            'alt': alt,
            'author': author,
            'day': day.day,
            'month': day.month,
            'year': day.year
        }


class PlanC(GenericNavigableComic):
    """Class to retrieve Plan C comics."""
    name = 'planc'
    long_name = 'Plan C'
    url = 'http://www.plancomic.com'
    get_first_comic_link = get_a_navi_navifirst
    get_navi_link = get_a_navi_comicnavnext_navinext

    @classmethod
    def get_comic_info(cls, soup, link):
        """Get information about a particular comics."""
        title = soup.find('h2', class_='post-title').string
        date_str = soup.find("span", class_="post-date").string
        day = string_to_date(date_str, "%B %d, %Y")

This code seems to be duplicated in your project.

        imgs = soup.find('div', id='comic').find_all('img')
        return {
            'title': title,
            'img': [i['src'] for i in imgs],
            'month': day.month,
            'year': day.year,
            'day': day.day,
        }


class BuniComic(GenericNavigableComic):
    """Class to retrieve Buni Comics."""
    name = 'buni'
    long_name = 'BuniComics'
    url = 'http://www.bunicomic.com'
    get_first_comic_link = get_a_comicnavbase_comicnavfirst
    get_navi_link = get_link_rel_next

    @classmethod
    def get_comic_info(cls, soup, link):
        """Get information about a particular comics."""
        imgs = soup.find('div', id='comic').find_all('img')
        assert all(i['alt'] == i['title'] for i in imgs)
        assert len(imgs) == 1
        return {
            'img': [i['src'] for i in imgs],
            'title': imgs[0]['title'],
        }


class GenericCommitStrip(GenericNavigableComic):
    """Generic class to retrieve Commit Strips in different languages."""
    get_navi_link = get_a_rel_next
    get_first_comic_link = simulate_first_link
    first_url = NotImplemented

    @classmethod
    def get_comic_info(cls, soup, link):
        """Get information about a particular comics."""
        desc = soup.find('meta', property='og:description')['content']
        title = soup.find('meta', property='og:title')['content']
        imgs = soup.find('div', class_='entry-content').find_all('img')
        title2 = ' '.join(i.get('title', '') for i in imgs)
        return {
            'title': title,
            'title2': title2,
            'description': desc,
            'img': [urljoin_wrapper(cls.url, convert_iri_to_plain_ascii_uri(i['src'])) for i in imgs],
        }


class CommitStripFr(GenericCommitStrip):
    """Class to retrieve Commit Strips in French."""
    name = 'commit_fr'
    long_name = 'Commit Strip (Fr)'
    url = 'http://www.commitstrip.com/fr'
    _categories = ('FRANCAIS', )
    first_url = 'http://www.commitstrip.com/fr/2012/02/22/interview/'


class CommitStripEn(GenericCommitStrip):
    """Class to retrieve Commit Strips in English."""
    name = 'commit_en'
    long_name = 'Commit Strip (En)'
    url = 'http://www.commitstrip.com/en'
    first_url = 'http://www.commitstrip.com/en/2012/02/22/interview/'


class GenericBoumerie(GenericNavigableComic):
    """Generic class to retrieve Boumeries comics in different languages."""
    get_first_comic_link = get_a_navi_navifirst
    get_navi_link = get_link_rel_next
    date_format = NotImplemented
    lang = NotImplemented

    @classmethod
    def get_comic_info(cls, soup, link):
        """Get information about a particular comics."""
        title = soup.find('h2', class_='post-title').string
        short_url = soup.find('link', rel='shortlink')['href']
        author = soup.find("span", class_="post-author").find("a").string
        date_str = soup.find('span', class_='post-date').string
        day = string_to_date(date_str, cls.date_format, cls.lang)
        imgs = soup.find('div', id='comic').find_all('img')
        assert all(i['alt'] == i['title'] for i in imgs)
        return {
            'short_url': short_url,
            'img': [i['src'] for i in imgs],
            'title': title,
            'author': author,
            'month': day.month,
            'year': day.year,
            'day': day.day,
        }


class BoumerieEn(GenericBoumerie):
    """Class to retrieve Boumeries comics in English."""
    name = 'boumeries_en'
    long_name = 'Boumeries (En)'
    url = 'http://comics.boumerie.com'
    date_format = "%B %d, %Y"
    lang = 'en_GB.UTF-8'


class BoumerieFr(GenericBoumerie):
    """Class to retrieve Boumeries comics in French."""
    name = 'boumeries_fr'
    long_name = 'Boumeries (Fr)'
    url = 'http://bd.boumerie.com'
    _categories = ('FRANCAIS', )
    date_format = "%A, %d %B %Y"
    lang = "fr_FR.utf8"


class UnearthedComics(GenericNavigableComic):
    """Class to retrieve Unearthed comics."""
    # Also on http://tapastic.com/series/UnearthedComics
    # Also on https://unearthedcomics.tumblr.com
    name = 'unearthed'
    long_name = 'Unearthed Comics'
    url = 'http://unearthedcomics.com'
    _categories = ('UNEARTHED', )
    get_navi_link = get_link_rel_next
    get_first_comic_link = simulate_first_link
    first_url = 'http://unearthedcomics.com/comics/world-with-turn-signals/'

    @classmethod
    def get_comic_info(cls, soup, link):
        """Get information about a particular comics."""
        short_url = soup.find('link', rel='shortlink')['href']
        title_elt = soup.find('h1') or soup.find('h2')
        title = title_elt.string if title_elt else ""
        desc = soup.find('meta', property='og:description')
        date_str = soup.find('time', class_='published updated hidden')['datetime']
        day = string_to_date(date_str, "%Y-%m-%d")
        post = soup.find('div', class_="entry content entry-content type-portfolio")
        imgs = post.find_all('img')
        return {
            'title': title,
            'description': desc,
            'url2': short_url,
            'img': [i['src'] for i in imgs],
            'month': day.month,
            'year': day.year,
            'day': day.day,
        }


class Optipess(GenericNavigableComic):
    """Class to retrieve Optipess comics."""
    name = 'optipess'
    long_name = 'Optipess'
    url = 'http://www.optipess.com'
    get_first_comic_link = get_a_navi_navifirst
    get_navi_link = get_link_rel_next

    @classmethod
    def get_comic_info(cls, soup, link):
        """Get information about a particular comics."""
        title = soup.find('h2', class_='post-title').string
        author = soup.find("span", class_="post-author").find("a").string
        comic = soup.find('div', id='comic')
        imgs = comic.find_all('img') if comic else []
        alt = imgs[0]['title'] if imgs else ""
        assert all(i['alt'] == i['title'] == alt for i in imgs)
        date_str = soup.find('span', class_='post-date').string
        day = string_to_date(date_str, "%B %d, %Y")
        return {
            'title': title,
            'alt': alt,
            'author': author,
            'img': [i['src'] for i in imgs],
            'month': day.month,
            'year': day.year,
            'day': day.day,
        }


class PainTrainComic(GenericNavigableComic):
    """Class to retrieve Pain Train Comics."""
    name = 'paintrain'
    long_name = 'Pain Train Comics'
    url = 'http://paintraincomic.com'
    get_first_comic_link = get_a_navi_navifirst
    get_navi_link = get_link_rel_next

    @classmethod
    def get_comic_info(cls, soup, link):
        """Get information about a particular comics."""
        title = soup.find('h2', class_='post-title').string
        short_url = soup.find('link', rel='shortlink')['href']
        short_url_re = re.compile('^%s/\\?p=([0-9]*)' % cls.url)
        num = int(short_url_re.match(short_url).groups()[0])
        imgs = soup.find('div', id='comic').find_all('img')
        alt = imgs[0]['title']
        assert all(i['alt'] == i['title'] == alt for i in imgs)
        date_str = soup.find('span', class_='post-date').string
        day = string_to_date(date_str, "%d/%m/%Y")
        return {
            'short_url': short_url,
            'num': num,
            'img': [i['src'] for i in imgs],
            'month': day.month,
            'year': day.year,
            'day': day.day,
            'alt': alt,
            'title': title,
        }


class MoonBeard(GenericNavigableComic):
    """Class to retrieve MoonBeard comics."""
    # Also on http://squireseses.tumblr.com
    # Also on http://www.webtoons.com/en/comedy/moon-beard/list?title_no=471
    name = 'moonbeard'
    long_name = 'Moon Beard'
    url = 'http://moonbeard.com'
    _categories = ('MOONBEARD', )
    get_first_comic_link = get_a_navi_navifirst
    get_navi_link = get_a_navi_navinext

    @classmethod
    def get_comic_info(cls, soup, link):
        """Get information about a particular comics."""
        title = soup.find('h2', class_='post-title').string
        short_url = soup.find('link', rel='shortlink')['href']
        short_url_re = re.compile('^%s/\\?p=([0-9]*)' % cls.url)
        num = int(short_url_re.match(short_url).groups()[0])
        imgs = soup.find('div', id='comic').find_all('img')
        alt = imgs[0]['title']
        assert all(i['alt'] == i['title'] == alt for i in imgs)
        date_str = soup.find('span', class_='post-date').string
        day = string_to_date(date_str, "%B %d, %Y")
        tags = ' '.join(t['content'] for t in soup.find_all('meta', property='article:tag'))
        author = soup.find('span', class_='post-author').string
        return {
            'short_url': short_url,
            'num': num,
            'img': [i['src'] for i in imgs],
            'month': day.month,
            'year': day.year,
            'day': day.day,
            'title': title,
            'tags': tags,
            'alt': alt,
            'author': author,
        }


class AHammADay(GenericEmptyComic, GenericNavigableComic):

This code seems to be duplicated in your project.

    """Class to retrieve class A Hamm A Day comics."""
    name = 'hamm'
    long_name = 'A Hamm A Day'
    url = 'http://www.ahammaday.com'
    get_url_from_link = join_cls_url_to_href
    get_first_comic_link = simulate_first_link
    first_url = 'http://www.ahammaday.com/today/3/6/french'

    @classmethod
    def get_navi_link(cls, last_soup, next_):
        """Get link to next or previous comic."""
        # prev is next / next is prev
        return last_soup.find('li', class_='previous' if next_ else 'next').find('a')

    @classmethod
    def get_comic_info(cls, soup, link):
        """Get information about a particular comics."""
        date_str = soup.find('time', class_='published')['datetime']
        day = string_to_date(date_str, "%Y-%m-%d")
        author = soup.find('span', class_='blog-author').find('a').string
        title = soup.find('meta', property='og:title')['content']
        imgs = soup.find_all('meta', itemprop='image')
        return {
            'img': [i['content'] for i in imgs],
            'title': title,
            'author': author,
            'day': day.day,
            'month': day.month,
            'year': day.year,
        }


class SystemComic(GenericNavigableComic):
    """Class to retrieve System Comic."""
    name = 'system'
    long_name = 'System Comic'
    url = 'http://www.systemcomic.com'
    get_navi_link = get_a_rel_next

    @classmethod
    def get_first_comic_link(cls):
        """Get link to first comics."""
        return get_soup_at_url(cls.url).find('li', class_='first').find('a')

    @classmethod
    def get_comic_info(cls, soup, link):
        """Get information about a particular comics."""
        title = soup.find('meta', property='og:title')['content']
        desc = soup.find('meta', property='og:description')['content']
        date_str = soup.find('time')["datetime"]
        day = string_to_date(date_str, "%Y-%m-%d")
        imgs = soup.find('figure').find_all('img')
        return {
            'title': title,
            'description': desc,
            'day': day.day,
            'month': day.month,
            'year': day.year,
            'img': [i['src'] for i in imgs],
        }


class LittleLifeLines(GenericNavigableComic):
    """Class to retrieve Little Life Lines comics."""
    # Also on https://little-life-lines.tumblr.com
    name = 'life'
    long_name = 'Little Life Lines'
    url = 'http://www.littlelifelines.com'
    get_url_from_link = join_cls_url_to_href
    get_first_comic_link = simulate_first_link
    first_url = 'http://www.littlelifelines.com/comics/well-done'

    @classmethod
    def get_navi_link(cls, last_soup, next_):
        """Get link to next or previous comic."""
        # prev is next / next is prev
        li = last_soup.find('li', class_='prev' if next_ else 'next')
        return li.find('a') if li else None

    @classmethod
    def get_comic_info(cls, soup, link):
        """Get information about a particular comics."""
        title = soup.find('meta', property='og:title')['content']
        desc = soup.find('meta', property='og:description')['content']
        date_str = soup.find('time', class_='published')['datetime']
        day = string_to_date(date_str, "%Y-%m-%d")
        author = soup.find('a', rel='author').string
        div_content = soup.find('div', class_="body entry-content")
        imgs = div_content.find_all('img')
        imgs = [i for i in imgs if i.get('src') is not None]
        alt = imgs[0]['alt']
        return {
            'title': title,
            'alt': alt,
            'description': desc,
            'author': author,
            'day': day.day,
            'month': day.month,
            'year': day.year,
            'img': [i['src'] for i in imgs],
        }


class GenericWordPressInkblot(GenericNavigableComic):
    """Generic class to retrieve comics using WordPress with Inkblot."""
    get_navi_link = get_link_rel_next

    @classmethod
    def get_first_comic_link(cls):
        """Get link to first comics."""
        return get_soup_at_url(cls.url).find('a', class_='webcomic-link webcomic1-link first-webcomic-link first-webcomic1-link')

    @classmethod
    def get_comic_info(cls, soup, link):
        """Get information about a particular comics."""
        title = soup.find('meta', property='og:title')['content']
        imgs = soup.find('div', class_='webcomic-image').find_all('img')
        date_str = soup.find('meta', property='article:published_time')['content'][:10]
        day = string_to_date(date_str, "%Y-%m-%d")
        return {
            'title': title,
            'day': day.day,
            'month': day.month,
            'year': day.year,
            'img': [i['src'] for i in imgs],
        }


class EverythingsStupid(GenericWordPressInkblot):
    """Class to retrieve Everything's stupid Comics."""
    # Also on http://tapastic.com/series/EverythingsStupid
    # Also on http://www.webtoons.com/en/challenge/everythings-stupid/list?title_no=14591
    # Also on http://everythingsstupidcomics.tumblr.com
    name = 'stupid'
    long_name = "Everything's Stupid"
    url = 'http://everythingsstupid.net'


class TheIsmComics(GenericWordPressInkblot):
    """Class to retrieve The Ism Comics."""
    # Also on https://tapastic.com/series/TheIsm (?)
    name = 'theism'
    long_name = "The Ism"
    url = 'http://www.theism-comics.com'


class WoodenPlankStudios(GenericWordPressInkblot):
    """Class to retrieve Wooden Plank Studios comics."""
    name = 'woodenplank'
    long_name = 'Wooden Plank Studios'
    url = 'http://woodenplankstudios.com'


class ElectricBunnyComic(GenericNavigableComic):
    """Class to retrieve Electric Bunny Comics."""
    # Also on http://electricbunnycomics.tumblr.com
    name = 'bunny'
    long_name = 'Electric Bunny Comic'
    url = 'http://www.electricbunnycomics.com/View/Comic/153/Welcome+to+Hell'
    get_url_from_link = join_cls_url_to_href

    @classmethod
    def get_first_comic_link(cls):
        """Get link to first comics."""
        return get_soup_at_url(cls.url).find('img', alt='First').parent

    @classmethod
    def get_navi_link(cls, last_soup, next_):
        """Get link to next or previous comic."""
        img = last_soup.find('img', alt='Next' if next_ else 'Back')
        return img.parent if img else None

    @classmethod
    def get_comic_info(cls, soup, link):
        """Get information about a particular comics."""
        title = soup.find('meta', property='og:title')['content']
        imgs = soup.find_all('meta', property='og:image')
        return {
            'title': title,
            'img': [i['content'] for i in imgs],
        }


class SheldonComics(GenericNavigableComic):
    """Class to retrieve Sheldon comics."""
    # Also on http://www.gocomics.com/sheldon
    name = 'sheldon'
    long_name = 'Sheldon Comics'
    url = 'http://www.sheldoncomics.com'

    @classmethod
    def get_first_comic_link(cls):
        """Get link to first comics."""
        return get_soup_at_url(cls.url).find("a", id="nav-first")

    @classmethod
    def get_navi_link(cls, last_soup, next_):
        """Get link to next or previous comic."""
        for link in last_soup.find_all("a", id="nav-next" if next_ else "nav-prev"):
            if link['href'] != 'http://www.sheldoncomics.com':
                return link
        return None

    @classmethod
    def get_comic_info(cls, soup, link):
        """Get information about a particular comics."""
        imgs = soup.find("div", id="comic-foot").find_all("img")
        assert all(i['alt'] == i['title'] for i in imgs)
        assert len(imgs) == 1
        title = imgs[0]['title']
        return {
            'title': title,
            'img': [i['src'] for i in imgs],
        }


class Ubertool(GenericNavigableComic):
    """Class to retrieve Ubertool comics."""
    # Also on https://ubertool.tumblr.com
    # Also on https://tapastic.com/series/ubertool
    name = 'ubertool'
    long_name = 'Ubertool'
    url = 'http://ubertoolcomic.com'
    _categories = ('UBERTOOL', )
    get_first_comic_link = get_a_comicnavbase_comicnavfirst
    get_navi_link = get_a_comicnavbase_comicnavnext

    @classmethod
    def get_comic_info(cls, soup, link):
        """Get information about a particular comics."""
        title = soup.find('h2', class_='post-title').string
        date_str = soup.find('span', class_='post-date').string
        day = string_to_date(date_str, "%B %d, %Y")
        imgs = soup.find('div', id='comic').find_all('img')
        return {
            'img': [i['src'] for i in imgs],
            'title': title,
            'month': day.month,
            'year': day.year,
            'day': day.day,
        }


class EarthExplodes(GenericNavigableComic):
    """Class to retrieve The Earth Explodes comics."""
    name = 'earthexplodes'
    long_name = 'The Earth Explodes'
    url = 'http://www.earthexplodes.com'
    get_url_from_link = join_cls_url_to_href
    get_first_comic_link = simulate_first_link
    first_url = 'http://www.earthexplodes.com/comics/000/'

    @classmethod
    def get_navi_link(cls, last_soup, next_):
        """Get link to next or previous comic."""
        return last_soup.find('a', id='next' if next_ else 'prev')

    @classmethod
    def get_comic_info(cls, soup, link):
        """Get information about a particular comics."""
        title = soup.find('title').string
        imgs = soup.find('div', id='image').find_all('img')
        alt = imgs[0].get('title', '')
        return {
            'img': [urljoin_wrapper(cls.url, i['src']) for i in imgs],
            'title': title,
            'alt': alt,
        }


class PomComics(GenericNavigableComic):
    """Class to retrieve PomComics."""
    name = 'pom'
    long_name = 'Pom Comics / Piece of Me'
    url = 'http://www.pomcomic.com'
    get_url_from_link = join_cls_url_to_href

    @classmethod
    def get_first_comic_link(cls):
        """Get link to first comics."""
        return get_soup_at_url(cls.url).find('a', class_='btn-first')

    @classmethod
    def get_navi_link(cls, last_soup, next_):
        """Get link to next or previous comic."""
        return last_soup.find('a', class_='btn-next' if next_ else 'btn-prev')

    @classmethod
    def get_comic_info(cls, soup, link):
        """Get information about a particular comics."""
        title = soup.find('h1').string
        desc = soup.find('meta', property='og:description')['content']
        tags = soup.find('meta', attrs={'name': 'keywords'})['content']
        imgs = soup.find('div', class_='comic').find_all('img')
        return {
            'title': title,
            'desc': desc,
            'tags': tags,
            'img': [urljoin_wrapper(cls.url, i['src']) for i in imgs],
        }


class CubeDrone(GenericEmptyComic, GenericNavigableComic):
    """Class to retrieve Cube Drone comics."""
    name = 'cubedrone'
    long_name = 'Cube Drone'
    url = 'http://cube-drone.com/comics'
    get_url_from_link = join_cls_url_to_href

    @classmethod
    def get_first_comic_link(cls):
        """Get link to first comics."""
        return get_soup_at_url(cls.url).find('span', class_='glyphicon glyphicon-backward').parent

    @classmethod
    def get_navi_link(cls, last_soup, next_):
        """Get link to next or previous comic."""
        class_ = 'glyphicon glyphicon-chevron-' + ('right' if next_ else 'left')
        return last_soup.find('span', class_=class_).parent

    @classmethod
    def get_comic_info(cls, soup, link):
        """Get information about a particular comics."""
        title = soup.find('meta', attrs={'name': 'twitter:title'})['content']
        url2 = soup.find('meta', attrs={'name': 'twitter:url'})['content']
        # date_str = soup.find('h2', class_='comic_title').find('small').string
        # day = string_to_date(date_str, "%B %d, %Y, %I:%M %p")
        imgs = soup.find_all('img', class_='comic img-responsive')
        title2 = imgs[0]['title']
        alt = imgs[0]['alt']
        return {
            'url2': url2,
            'title': title,
            'title2': title2,
            'alt': alt,
            'img': [i['src'] for i in imgs],
        }


class MakeItStoopid(GenericNavigableComic):
    """Class to retrieve Make It Stoopid Comics."""
    name = 'stoopid'
    long_name = 'Make it stoopid'
    url = 'http://makeitstoopid.com/comic.php'

    @classmethod
    def get_nav(cls, soup):
        """Get the navigation elements from soup object."""
        cnav = soup.find_all(class_='cnav')
        nav1, nav2 = cnav[:5], cnav[5:]
        assert nav1 == nav2
        # begin, prev, archive, next_, end = nav1
        return [None if i.get('href') is None else i for i in nav1]

    @classmethod
    def get_first_comic_link(cls):
        """Get link to first comics."""
        return cls.get_nav(get_soup_at_url(cls.url))[0]

    @classmethod
    def get_navi_link(cls, last_soup, next_):
        """Get link to next or previous comic."""
        return cls.get_nav(last_soup)[3 if next_ else 1]

    @classmethod
    def get_comic_info(cls, soup, link):
        """Get information about a particular comics."""
        title = link['title']
        imgs = soup.find_all('img', id='comicimg')

This code seems to be duplicated in your project.

        return {
            'title': title,
            'img': [i['src'] for i in imgs],
        }


class OffTheLeashDog(GenericNavigableComic):
    """Class to retrieve Off The Leash Dog comics."""
    # Also on http://rupertfawcettsdoggyblog.tumblr.com
    # Also on http://www.rupertfawcettcartoons.com
    name = 'offtheleash'
    long_name = 'Off The Leash Dog'
    url = 'http://offtheleashdogcartoons.com'
    _categories = ('FAWCETT', )
    get_navi_link = get_a_rel_next
    get_first_comic_link = simulate_first_link
    first_url = 'http://offtheleashdogcartoons.com/uncategorized/can-i-help-you/'

    @classmethod
    def get_comic_info(cls, soup, link):
        """Get information about a particular comics."""
        print(link)
        title = soup.find("h1", class_="entry-title").string
        imgs = soup.find('div', class_='entry-content').find_all('img')
        return {
            'title': title,
            'img': [i['src'] for i in imgs],
        }


class MarketoonistComics(GenericNavigableComic):
    """Class to retrieve Marketoonist Comics."""
    name = 'marketoonist'
    long_name = 'Marketoonist'
    url = 'https://marketoonist.com/cartoons'
    get_first_comic_link = simulate_first_link
    get_navi_link = get_link_rel_next
    first_url = 'https://marketoonist.com/2002/10/the-8-types-of-brand-managers-2.html'

    @classmethod
    def get_comic_info(cls, soup, link):
        """Get information about a particular comics."""
        imgs = soup.find_all('meta', property='og:image')
        date_str = soup.find('meta', property='article:published_time')['content'][:10]
        day = string_to_date(date_str, "%Y-%m-%d")
        title = soup.find('meta', property='og:title')['content']
        return {
            'img': [i['content'] for i in imgs],
            'day': day.day,
            'month': day.month,
            'year': day.year,
            'title': title,
        }


class ConsoliaComics(GenericNavigableComic):
    """Class to retrieve Consolia comics."""
    name = 'consolia'

This code seems to be duplicated in your project.

    long_name = 'consolia'
    url = 'https://consolia-comic.com'
    get_url_from_link = join_cls_url_to_href

    @classmethod
    def get_first_comic_link(cls):
        """Get link to first comics."""
        return get_soup_at_url(cls.url).find('a', class_='first')

    @classmethod
    def get_navi_link(cls, last_soup, next_):
        """Get link to next or previous comic."""
        return last_soup.find('a', class_='next' if next_ else 'prev')

    @classmethod
    def get_comic_info(cls, soup, link):
        """Get information about a particular comics."""
        title = soup.find('meta', property='og:title')['content']
        date_str = soup.find('time')["datetime"]
        day = string_to_date(date_str, "%Y-%m-%d")
        imgs = soup.find_all('meta', property='og:image')
        return {
            'title': title,
            'img': [i['content'] for i in imgs],
            'day': day.day,
            'month': day.month,
            'year': day.year,
        }


class TuMourrasMoinsBete(GenericNavigableComic):
    """Class to retrieve Tu Mourras Moins Bete comics."""
    name = 'mourrasmoinsbete'
    long_name = 'Tu Mourras Moins Bete'
    url = 'http://tumourrasmoinsbete.blogspot.fr'
    _categories = ('FRANCAIS', )
    get_first_comic_link = simulate_first_link
    first_url = 'http://tumourrasmoinsbete.blogspot.fr/2008/06/essai.html'

    @classmethod
    def get_navi_link(cls, last_soup, next_):
        """Get link to next or previous comic."""
        return last_soup.find('a', id='Blog1_blog-pager-newer-link' if next_ else 'Blog1_blog-pager-older-link')

    @classmethod
    def get_comic_info(cls, soup, link):
        """Get information about a particular comics."""
        title = soup.find('title').string
        imgs = soup.find('div', itemprop='description articleBody').find_all('img')
        author = soup.find('span', itemprop='author').string
        return {
            'img': [i['src'] for i in imgs],
            'author': author,
            'title': title,
        }


class GeekAndPoke(GenericNavigableComic):
    """Class to retrieve Geek And Poke comics."""
    name = 'geek'
    long_name = 'Geek And Poke'
    url = 'http://geek-and-poke.com'
    get_url_from_link = join_cls_url_to_href
    get_first_comic_link = simulate_first_link
    first_url = 'http://geek-and-poke.com/geekandpoke/2006/8/27/a-new-place-for-a-not-so-old-blog.html'

    @classmethod

This code seems to be duplicated in your project.

    def get_navi_link(cls, last_soup, next_):
        """Get link to next or previous comic."""
        return last_soup.find('a', class_='prev-item' if next_ else 'next-item')

    @classmethod
    def get_comic_info(cls, soup, link):
        """Get information about a particular comics."""
        title = soup.find('meta', property='og:title')['content']
        desc = soup.find('meta', property='og:description')['content']
        date_str = soup.find('time', class_='published')['datetime']
        day = string_to_date(date_str, "%Y-%m-%d")
        author = soup.find('a', rel='author').string
        div_content = (soup.find('div', class_="body entry-content") or
                       soup.find('div', class_="special-content"))
        imgs = div_content.find_all('img')
        imgs = [i for i in imgs if i.get('src') is not None]
        assert all('title' not in i or i['alt'] == i['title'] for i in imgs)
        alt = imgs[0].get('alt', "") if imgs else []
        return {
            'title': title,
            'alt': alt,
            'description': desc,
            'author': author,
            'day': day.day,
            'month': day.month,
            'year': day.year,
            'img': [urljoin_wrapper(cls.url, i['src']) for i in imgs],
        }


class GloryOwlComix(GenericNavigableComic):
    """Class to retrieve Glory Owl comics."""
    name = 'gloryowl'
    long_name = 'Glory Owl'
    url = 'http://gloryowlcomix.blogspot.fr'
    _categories = ('NSFW', 'FRANCAIS')
    get_first_comic_link = simulate_first_link
    first_url = 'http://gloryowlcomix.blogspot.fr/2013/02/1_7.html'

    @classmethod
    def get_navi_link(cls, last_soup, next_):
        """Get link to next or previous comic."""
        return last_soup.find('a', id='Blog1_blog-pager-newer-link' if next_ else 'Blog1_blog-pager-older-link')

    @classmethod
    def get_comic_info(cls, soup, link):
        """Get information about a particular comics."""
        title = soup.find('title').string
        imgs = soup.find_all('link', rel='image_src')
        author = soup.find('a', rel='author').string
        return {
            'img': [i['href'] for i in imgs],
            'author': author,
            'title': title,
        }


class AtRandomComics(GenericNavigableComic):
    """Class to retrieve At Random Comics."""
    name = 'atrandom'
    long_name = 'At Random Comics'
    url = 'http://www.atrandomcomics.com'
    get_url_from_link = join_cls_url_to_href
    get_first_comic_link = simulate_first_link
    first_url = 'http://www.atrandomcomics.com/at-random-comics-home/2015/5/5/can-of-worms'

    @classmethod
    def get_navi_link(cls, last_soup, next_):
        """Get link to next or previous comic."""
        return last_soup.find('a', id='prevLink' if next_ else 'nextLink')

    @classmethod
    def get_comic_info(cls, soup, link):
        """Get information about a particular comics."""
        title = soup.find('meta', property='og:title')['content']
        desc = soup.find('meta', property='og:description')['content']
        date_str = soup.find('time', itemprop='datePublished')["datetime"]
        day = string_to_date(date_str, "%Y-%m-%d")
        author = soup.find('a', rel='author').string
        imgs = soup.find_all('meta', property='og:image')
        return {
            'title': title,
            'img': [i['content'] for i in imgs],
            'month': day.month,
            'year': day.year,
            'day': day.day,
            'author': author,
            'description': desc,
        }


class GenericTumblrV1(GenericComic):
    """Generic class to retrieve comics from Tumblr using the V1 API."""
    _categories = ('TUMBLR', )

    @classmethod
    def get_next_comic(cls, last_comic):
        """Generic implementation of get_next_comic for Tumblr comics."""
        for p in cls.get_posts(last_comic):
            comic = cls.get_comic_info(p)
            if comic is not None:
                yield comic

    @classmethod
    def get_url_from_post(cls, post):
        url = post['url']
        if not url.startswith(cls.url):
            print("url '%s' does not start with '%s'" % (url, cls.url))
        return url

    @classmethod
    def get_api_url(cls):
        return urljoin_wrapper(cls.url, '/api/read/')

    @classmethod
    def get_api_url_for_id(cls, tumblr_id):
        return cls.get_api_url() + '?id=%d' % (tumblr_id)

    @classmethod
    def get_comic_info(cls, post):
        """Get information about a particular comics."""
        type_ = post['type']
        if type_ != 'photo':
            return None
        tumblr_id = int(post['id'])
        api_url = cls.get_api_url_for_id(tumblr_id)
        day = datetime.datetime.fromtimestamp(int(post['unix-timestamp'])).date()
        caption = post.find('photo-caption')
        title = caption.string if caption else ""
        tags = ' '.join(t.string for t in post.find_all('tag'))
        # Photos may appear in 'photo' tags and/or straight in the post
        photo_tags = post.find_all('photo')
        if not photo_tags:
            photo_tags = [post]
        # Images are in multiple resolutions - taking the first one
        imgs = [photo.find('photo-url') for photo in photo_tags]
        return {
            'url': cls.get_url_from_post(post),
            'url2': post['url-with-slug'],
            'day': day.day,
            'month': day.month,
            'year': day.year,
            'title': title,
            'tags': tags,
            'img': [i.string for i in imgs],
            'tumblr-id': tumblr_id,
            'api_url': api_url,
        }

    @classmethod
    def get_posts(cls, last_comic, nb_post_per_call=10):
        """Get posts using API. nb_post_per_call is max 50.

        Posts are retrieved from newer to older as per the tumblr v1 api
        but are returned in chronological order."""
        waiting_for_id = last_comic['tumblr-id'] if last_comic else None
        posts_acc = []
        if last_comic is not None:
            # Sometimes, tumblr posts are deleted. When previous post is deleted, we
            # might end up spending a lot of time looking for something that
            # doesn't exist. Failing early and clearly might be a better option.
            last_api_url = cls.get_api_url_for_id(waiting_for_id)
            try:
                get_soup_at_url(last_api_url)
            except urllib.error.HTTPError:
                try:
                    get_soup_at_url(cls.url)
                except urllib.error.HTTPError:
                    print("Did not find previous post nor main url %s" % cls.url)
                else:
                    print("Did not find previous post %s : it might have been deleted" % last_api_url)
                return reversed(posts_acc)
        api_url = cls.get_api_url()
        posts = get_soup_at_url(api_url).find('posts')
        start, total = int(posts['start']), int(posts['total'])
        assert start == 0
        for starting_num in range(0, total, nb_post_per_call):
            api_url2 = api_url + '?start=%d&num=%d' % (starting_num, nb_post_per_call)
            posts2 = get_soup_at_url(api_url2).find('posts')
            start2, total2 = int(posts2['start']), int(posts2['total'])
            assert starting_num == start2, "%d != %d" % (starting_num, start2)
            # This may happen and should be handled in the future
            assert total == total2, "%d != %d" % (total, total2)
            for p in posts2.find_all('post'):
                tumblr_id = int(p['id'])
                if waiting_for_id and waiting_for_id == tumblr_id:
                    return reversed(posts_acc)
                posts_acc.append(p)
        if waiting_for_id is None:
            return reversed(posts_acc)
        print("Did not find %s : there might be a problem" % waiting_for_id)
        return []


class SaturdayMorningBreakfastCerealTumblr(GenericTumblrV1):
    """Class to retrieve Saturday Morning Breakfast Cereal comics."""
    # Also on http://www.gocomics.com/saturday-morning-breakfast-cereal
    # Also on http://www.smbc-comics.com
    name = 'smbc-tumblr'
    long_name = 'Saturday Morning Breakfast Cereal (from Tumblr)'
    url = 'http://smbc-comics.tumblr.com'
    _categories = ('SMBC', )


class IrwinCardozo(GenericTumblrV1):
    """Class to retrieve Irwin Cardozo Comics."""
    name = 'irwinc'
    long_name = 'Irwin Cardozo'
    url = 'http://irwincardozocomics.tumblr.com'


class AccordingToDevin(GenericTumblrV1):
    """Class to retrieve According To Devin comics."""
    name = 'devin'
    long_name = 'According To Devin'
    url = 'http://accordingtodevin.tumblr.com'


class ItsTheTieTumblr(GenericTumblrV1):
    """Class to retrieve It's the tie comics."""
    # Also on http://itsthetie.com
    # Also on https://tapastic.com/series/itsthetie
    name = 'tie-tumblr'
    long_name = "It's the tie (from Tumblr)"
    url = "http://itsthetie.tumblr.com"
    _categories = ('TIE', )


class OctopunsTumblr(GenericTumblrV1):
    """Class to retrieve Octopuns comics."""
    # Also on http://www.octopuns.net
    name = 'octopuns-tumblr'
    long_name = 'Octopuns (from Tumblr)'
    url = 'http://octopuns.tumblr.com'


class PicturesInBoxesTumblr(GenericTumblrV1):
    """Class to retrieve Pictures In Boxes comics."""
    # Also on http://www.picturesinboxes.com
    name = 'picturesinboxes-tumblr'
    long_name = 'Pictures in Boxes (from Tumblr)'
    url = 'https://picturesinboxescomic.tumblr.com'


class TubeyToonsTumblr(GenericTumblrV1):
    """Class to retrieve TubeyToons comics."""
    # Also on http://tapastic.com/series/Tubey-Toons
    # Also on http://tubeytoons.com
    name = 'tubeytoons-tumblr'
    long_name = 'Tubey Toons (from Tumblr)'
    url = 'https://tubeytoons.tumblr.com'
    _categories = ('TUNEYTOONS', )


class UnearthedComicsTumblr(GenericTumblrV1):
    """Class to retrieve Unearthed comics."""
    # Also on http://tapastic.com/series/UnearthedComics
    # Also on http://unearthedcomics.com
    name = 'unearthed-tumblr'
    long_name = 'Unearthed Comics (from Tumblr)'
    url = 'https://unearthedcomics.tumblr.com'
    _categories = ('UNEARTHED', )


class PieComic(GenericTumblrV1):
    """Class to retrieve Pie Comic comics."""
    name = 'pie'
    long_name = 'Pie Comic'
    url = "http://piecomic.tumblr.com"


class MrEthanDiamond(GenericTumblrV1):
    """Class to retrieve Mr Ethan Diamond comics."""
    name = 'diamond'
    long_name = 'Mr Ethan Diamond'
    url = 'http://mrethandiamond.tumblr.com'


class Flocci(GenericTumblrV1):
    """Class to retrieve floccinaucinihilipilification comics."""
    name = 'flocci'
    long_name = 'floccinaucinihilipilification'
    url = "http://floccinaucinihilipilificationa.tumblr.com"


class UpAndOut(GenericTumblrV1):
    """Class to retrieve Up & Out comics."""
    # Also on http://tapastic.com/series/UP-and-OUT
    name = 'upandout'
    long_name = 'Up And Out (from Tumblr)'
    url = 'http://upandoutcomic.tumblr.com'


class Pundemonium(GenericTumblrV1):
    """Class to retrieve Pundemonium comics."""
    name = 'pundemonium'
    long_name = 'Pundemonium'
    url = 'http://monstika.tumblr.com'


class PoorlyDrawnLinesTumblr(GenericTumblrV1):
    """Class to retrieve Poorly Drawn Lines comics."""
    # Also on http://poorlydrawnlines.com
    name = 'poorlydrawn-tumblr'
    long_name = 'Poorly Drawn Lines (from Tumblr)'
    url = 'http://pdlcomics.tumblr.com'
    _categories = ('POORLYDRAWN', )


class PearShapedComics(GenericTumblrV1):
    """Class to retrieve Pear Shaped Comics."""
    name = 'pearshaped'
    long_name = 'Pear-Shaped Comics'
    url = 'http://pearshapedcomics.com'


class PondScumComics(GenericTumblrV1):
    """Class to retrieve Pond Scum Comics."""
    name = 'pond'
    long_name = 'Pond Scum'
    url = 'http://pondscumcomic.tumblr.com'


class MercworksTumblr(GenericTumblrV1):
    """Class to retrieve Mercworks comics."""
    # Also on http://mercworks.net
    name = 'mercworks-tumblr'
    long_name = 'Mercworks (from Tumblr)'
    url = 'http://mercworks.tumblr.com'


class OwlTurdTumblr(GenericTumblrV1):
    """Class to retrieve Owl Turd comics."""
    # Also on http://tapastic.com/series/Owl-Turd-Comix
    name = 'owlturd-tumblr'
    long_name = 'Owl Turd (from Tumblr)'
    url = 'http://owlturd.com'
    _categories = ('OWLTURD', )


class VectorBelly(GenericTumblrV1):
    """Class to retrieve Vector Belly comics."""
    # Also on http://vectorbelly.com
    name = 'vector'
    long_name = 'Vector Belly'
    url = 'http://vectorbelly.tumblr.com'


class GoneIntoRapture(GenericTumblrV1):
    """Class to retrieve Gone Into Rapture comics."""
    # Also on http://goneintorapture.tumblr.com
    # Also on http://tapastic.com/series/Goneintorapture
    name = 'rapture'
    long_name = 'Gone Into Rapture'
    url = 'http://goneintorapture.com'


class TheOatmealTumblr(GenericTumblrV1):
    """Class to retrieve The Oatmeal comics."""
    # Also on http://theoatmeal.com
    name = 'oatmeal-tumblr'
    long_name = 'The Oatmeal (from Tumblr)'
    url = 'http://oatmeal.tumblr.com'


class HeckIfIKnowComicsTumblr(GenericTumblrV1):
    """Class to retrieve Heck If I Know Comics."""
    # Also on http://tapastic.com/series/Regular
    name = 'heck-tumblr'
    long_name = 'Heck if I Know comics (from Tumblr)'
    url = 'http://heckifiknowcomics.com'


class MyJetPack(GenericTumblrV1):
    """Class to retrieve My Jet Pack comics."""
    name = 'jetpack'
    long_name = 'My Jet Pack'
    url = 'http://myjetpack.tumblr.com'


class CheerUpEmoKidTumblr(GenericTumblrV1):
    """Class to retrieve CheerUpEmoKid comics."""
    # Also on http://www.cheerupemokid.com
    # Also on http://tapastic.com/series/CUEK
    name = 'cuek-tumblr'
    long_name = 'Cheer Up Emo Kid (from Tumblr)'
    url = 'https://enzocomics.tumblr.com'


class ForLackOfABetterComic(GenericTumblrV1):
    """Class to retrieve For Lack Of A Better Comics."""
    # Also on http://forlackofabettercomic.com
    name = 'lack'
    long_name = 'For Lack Of A Better Comic'
    url = 'http://forlackofabettercomic.tumblr.com'


class ZenPencilsTumblr(GenericTumblrV1):
    """Class to retrieve ZenPencils comics."""
    # Also on http://zenpencils.com
    # Also on http://www.gocomics.com/zen-pencils
    name = 'zenpencils-tumblr'
    long_name = 'Zen Pencils (from Tumblr)'
    url = 'http://zenpencils.tumblr.com'
    _categories = ('ZENPENCILS', )


class ThreeWordPhraseTumblr(GenericTumblrV1):
    """Class to retrieve Three Word Phrase comics."""
    # Also on http://threewordphrase.com
    name = 'threeword-tumblr'
    long_name = 'Three Word Phrase (from Tumblr)'
    url = 'http://threewordphrase.tumblr.com'


class TimeTrabbleTumblr(GenericTumblrV1):
    """Class to retrieve Time Trabble comics."""
    # Also on http://timetrabble.com
    name = 'timetrabble-tumblr'
    long_name = 'Time Trabble (from Tumblr)'
    url = 'http://timetrabble.tumblr.com'


class SafelyEndangeredTumblr(GenericTumblrV1):
    """Class to retrieve Safely Endangered comics."""
    # Also on http://www.safelyendangered.com
    name = 'endangered-tumblr'
    long_name = 'Safely Endangered (from Tumblr)'
    url = 'http://tumblr.safelyendangered.com'


class MouseBearComedyTumblr(GenericTumblrV1):
    """Class to retrieve Mouse Bear Comedy comics."""
    # Also on http://www.mousebearcomedy.com
    name = 'mousebear-tumblr'
    long_name = 'Mouse Bear Comedy (from Tumblr)'
    url = 'http://mousebearcomedy.tumblr.com'


class BouletCorpTumblr(GenericTumblrV1):
    """Class to retrieve BouletCorp comics."""
    # Also on http://www.bouletcorp.com
    name = 'boulet-tumblr'
    long_name = 'Boulet Corp (from Tumblr)'
    url = 'https://bouletcorp.tumblr.com'
    _categories = ('BOULET', )


class TheAwkwardYetiTumblr(GenericTumblrV1):
    """Class to retrieve The Awkward Yeti comics."""
    # Also on http://www.gocomics.com/the-awkward-yeti
    # Also on http://theawkwardyeti.com
    # Also on https://tapastic.com/series/TheAwkwardYeti
    name = 'yeti-tumblr'
    long_name = 'The Awkward Yeti (from Tumblr)'
    url = 'http://larstheyeti.tumblr.com'
    _categories = ('YETI', )


class NellucNhoj(GenericTumblrV1):
    """Class to retrieve NellucNhoj comics."""
    name = 'nhoj'
    long_name = 'Nelluc Nhoj'
    url = 'http://nellucnhoj.com'


class DownTheUpwardSpiralTumblr(GenericTumblrV1):
    """Class to retrieve Down The Upward Spiral comics."""
    # Also on http://www.downtheupwardspiral.com
    # Also on https://tapastic.com/series/Down-the-Upward-Spiral
    name = 'spiral-tumblr'
    long_name = 'Down the Upward Spiral (from Tumblr)'
    url = 'http://downtheupwardspiral.tumblr.com'


class AsPerUsualTumblr(GenericTumblrV1):
    """Class to retrieve As Per Usual comics."""
    # Also on https://tapastic.com/series/AsPerUsual
    name = 'usual-tumblr'
    long_name = 'As Per Usual (from Tumblr)'
    url = 'http://as-per-usual.tumblr.com'
    categories = ('DAMILEE', )


class HotComicsForCoolPeopleTumblr(GenericTumblrV1):
    """Class to retrieve Hot Comics For Cool People."""
    # Also on https://tapastic.com/series/Hot-Comics-For-Cool-People
    # Also on http://hotcomics.biz (links to tumblr)
    # Also on http://hcfcp.com (links to tumblr)
    name = 'hotcomics-tumblr'
    long_name = 'Hot Comics For Cool People (from Tumblr)'
    url = 'http://hotcomicsforcoolpeople.tumblr.com'
    categories = ('DAMILEE', )


class OneOneOneOneComicTumblr(GenericTumblrV1):
    """Class to retrieve 1111 Comics."""
    # Also on http://www.1111comics.me
    # Also on https://tapastic.com/series/1111-Comics
    name = '1111-tumblr'
    long_name = '1111 Comics (from Tumblr)'
    url = 'http://comics1111.tumblr.com'
    _categories = ('ONEONEONEONE', )


class JhallComicsTumblr(GenericTumblrV1):
    """Class to retrieve Jhall Comics."""
    # Also on http://jhallcomics.com
    name = 'jhall-tumblr'
    long_name = 'Jhall Comics (from Tumblr)'
    url = 'http://jhallcomics.tumblr.com'


class BerkeleyMewsTumblr(GenericTumblrV1):
    """Class to retrieve Berkeley Mews comics."""
    # Also on http://www.gocomics.com/berkeley-mews
    # Also on http://www.berkeleymews.com
    name = 'berkeley-tumblr'
    long_name = 'Berkeley Mews (from Tumblr)'
    url = 'http://mews.tumblr.com'
    _categories = ('BERKELEY', )


class JoanCornellaTumblr(GenericTumblrV1):
    """Class to retrieve Joan Cornella comics."""
    # Also on http://joancornella.net
    name = 'cornella-tumblr'
    long_name = 'Joan Cornella (from Tumblr)'
    url = 'http://cornellajoan.tumblr.com'


class RespawnComicTumblr(GenericTumblrV1):
    """Class to retrieve Respawn Comic."""
    # Also on http://respawncomic.com
    name = 'respawn-tumblr'
    long_name = 'Respawn Comic (from Tumblr)'
    url = 'https://respawncomic.tumblr.com'


class ChrisHallbeckTumblr(GenericTumblrV1):
    """Class to retrieve Chris Hallbeck comics."""
    # Also on https://tapastic.com/ChrisHallbeck
    # Also on http://maximumble.com
    # Also on http://minimumble.com
    # Also on http://thebookofbiff.com
    name = 'hallbeck-tumblr'
    long_name = 'Chris Hallback (from Tumblr)'
    url = 'https://chrishallbeck.tumblr.com'
    _categories = ('HALLBACK', )


class ComicNuggets(GenericTumblrV1):
    """Class to retrieve Comic Nuggets."""
    name = 'nuggets'
    long_name = 'Comic Nuggets'
    url = 'http://comicnuggets.com'


class PigeonGazetteTumblr(GenericTumblrV1):
    """Class to retrieve The Pigeon Gazette comics."""
    # Also on https://tapastic.com/series/The-Pigeon-Gazette
    name = 'pigeon-tumblr'
    long_name = 'The Pigeon Gazette (from Tumblr)'
    url = 'http://thepigeongazette.tumblr.com'


class CancerOwl(GenericTumblrV1):
    """Class to retrieve Cancer Owl comics."""
    # Also on http://cancerowl.com
    name = 'cancerowl-tumblr'
    long_name = 'Cancer Owl (from Tumblr)'
    url = 'http://cancerowl.tumblr.com'


class FowlLanguageTumblr(GenericTumblrV1):
    """Class to retrieve Fowl Language comics."""
    # Also on http://www.fowllanguagecomics.com
    # Also on http://tapastic.com/series/Fowl-Language-Comics
    # Also on http://www.gocomics.com/fowl-language
    name = 'fowllanguage-tumblr'
    long_name = 'Fowl Language Comics (from Tumblr)'
    url = 'http://fowllanguagecomics.tumblr.com'
    _categories = ('FOWLLANGUAGE', )


class TheOdd1sOutTumblr(GenericTumblrV1):
    """Class to retrieve The Odd 1s Out comics."""
    # Also on http://theodd1sout.com
    # Also on https://tapastic.com/series/Theodd1sout
    name = 'theodd-tumblr'
    long_name = 'The Odd 1s Out (from Tumblr)'
    url = 'http://theodd1sout.tumblr.com'


class TheUnderfoldTumblr(GenericTumblrV1):
    """Class to retrieve The Underfold comics."""
    # Also on http://theunderfold.com
    name = 'underfold-tumblr'
    long_name = 'The Underfold (from Tumblr)'
    url = 'http://theunderfold.tumblr.com'


class LolNeinTumblr(GenericTumblrV1):
    """Class to retrieve Lol Nein comics."""
    # Also on http://lolnein.com
    name = 'lolnein-tumblr'
    long_name = 'Lol Nein (from Tumblr)'
    url = 'http://lolneincom.tumblr.com'


class FatAwesomeComicsTumblr(GenericTumblrV1):
    """Class to retrieve Fat Awesome Comics."""
    # Also on http://fatawesome.com/comics
    name = 'fatawesome-tumblr'
    long_name = 'Fat Awesome (from Tumblr)'
    url = 'http://fatawesomecomedy.tumblr.com'


class TheWorldIsFlatTumblr(GenericTumblrV1):
    """Class to retrieve The World Is Flat Comics."""
    # Also on https://tapastic.com/series/The-World-is-Flat
    name = 'flatworld-tumblr'
    long_name = 'The World Is Flat (from Tumblr)'
    url = 'http://theworldisflatcomics.com'


class DorrisMc(GenericTumblrV1):
    """Class to retrieve Dorris Mc Comics"""
    # Also on http://www.gocomics.com/dorris-mccomics
    name = 'dorrismc'
    long_name = 'Dorris Mc'
    url = 'http://dorrismccomics.com'


class LeleozTumblr(GenericEmptyComic, GenericTumblrV1):
    """Class to retrieve Leleoz comics."""
    # Also on https://tapastic.com/series/Leleoz
    name = 'leleoz-tumblr'
    long_name = 'Leleoz (from Tumblr)'
    url = 'http://leleozcomics.tumblr.com'


class MoonBeardTumblr(GenericTumblrV1):
    """Class to retrieve MoonBeard comics."""
    # Also on http://moonbeard.com
    # Also on http://www.webtoons.com/en/comedy/moon-beard/list?title_no=471
    name = 'moonbeard-tumblr'
    long_name = 'Moon Beard (from Tumblr)'
    url = 'http://squireseses.tumblr.com'
    _categories = ('MOONBEARD', )


class AComik(GenericTumblrV1):
    """Class to retrieve A Comik"""
    name = 'comik'
    long_name = 'A Comik'
    url = 'http://acomik.com'


class ClassicRandy(GenericTumblrV1):
    """Class to retrieve Classic Randy comics."""
    name = 'randy'
    long_name = 'Classic Randy'
    url = 'http://classicrandy.tumblr.com'


class DagssonTumblr(GenericTumblrV1):
    """Class to retrieve Dagsson comics."""
    # Also on http://www.dagsson.com
    name = 'dagsson-tumblr'
    long_name = 'Dagsson Hugleikur (from Tumblr)'
    url = 'https://hugleikurdagsson.tumblr.com'


class LinsEditionsTumblr(GenericTumblrV1):
    """Class to retrieve L.I.N.S. Editions comics."""
    # Also on https://linsedition.com
    # Now on http://warandpeas.tumblr.com
    name = 'lins-tumblr'
    long_name = 'L.I.N.S. Editions (from Tumblr)'
    url = 'https://linscomics.tumblr.com'
    _categories = ('LINS', )


class WarAndPeasTumblr(GenericTumblrV1):
    """Class to retrieve War And Peas comics."""
    # Was on https://linscomics.tumblr.com
    name = 'warandpeas-tumblr'
    long_name = 'War And Peas (from Tumblr)'
    url = 'http://warandpeas.tumblr.com'
    _categories = ('WARANDPEAS', )


class OrigamiHotDish(GenericTumblrV1):
    """Class to retrieve Origami Hot Dish comics."""
    name = 'origamihotdish'
    long_name = 'Origami Hot Dish'
    url = 'http://origamihotdish.com'


class HitAndMissComicsTumblr(GenericTumblrV1):
    """Class to retrieve Hit and Miss Comics."""
    name = 'hitandmiss'
    long_name = 'Hit and Miss Comics'
    url = 'https://hitandmisscomics.tumblr.com'


class HMBlanc(GenericTumblrV1):
    """Class to retrieve HM Blanc comics."""
    name = 'hmblanc'
    long_name = 'HM Blanc'
    url = 'http://hmblanc.tumblr.com'


class TalesOfAbsurdityTumblr(GenericTumblrV1):
    """Class to retrieve Tales Of Absurdity comics."""
    # Also on http://talesofabsurdity.com
    # Also on http://tapastic.com/series/Tales-Of-Absurdity
    name = 'absurdity-tumblr'
    long_name = 'Tales of Absurdity (from Tumblr)'
    url = 'http://talesofabsurdity.tumblr.com'
    _categories = ('ABSURDITY', )


class RobbieAndBobby(GenericTumblrV1):
    """Class to retrieve Robbie And Bobby comics."""
    # Also on http://robbieandbobby.com
    name = 'robbie-tumblr'
    long_name = 'Robbie And Bobby (from Tumblr)'
    url = 'http://robbieandbobby.tumblr.com'


class ElectricBunnyComicTumblr(GenericTumblrV1):
    """Class to retrieve Electric Bunny Comics."""
    # Also on http://www.electricbunnycomics.com/View/Comic/153/Welcome+to+Hell
    name = 'bunny-tumblr'
    long_name = 'Electric Bunny Comic (from Tumblr)'
    url = 'http://electricbunnycomics.tumblr.com'


class Hoomph(GenericTumblrV1):
    """Class to retrieve Hoomph comics."""
    name = 'hoomph'
    long_name = 'Hoomph'
    url = 'http://hoom.ph'


class BFGFSTumblr(GenericTumblrV1):
    """Class to retrieve BFGFS comics."""
    # Also on https://tapastic.com/series/BFGFS
    # Also on http://bfgfs.com
    name = 'bfgfs-tumblr'
    long_name = 'BFGFS (from Tumblr)'
    url = 'https://bfgfs.tumblr.com'


class DoodleForFood(GenericTumblrV1):
    """Class to retrieve Doodle For Food comics."""
    # Also on https://tapastic.com/series/Doodle-for-Food
    name = 'doodle'
    long_name = 'Doodle For Food'
    url = 'http://www.doodleforfood.com'


class CassandraCalinTumblr(GenericTumblrV1):
    """Class to retrieve C. Cassandra comics."""
    # Also on http://cassandracalin.com
    # Also on https://tapastic.com/series/C-Cassandra-comics
    name = 'cassandra-tumblr'
    long_name = 'Cassandra Calin (from Tumblr)'
    url = 'http://c-cassandra.tumblr.com'


class DougWasTaken(GenericTumblrV1):
    """Class to retrieve Doug Was Taken comics."""
    name = 'doug'
    long_name = 'Doug Was Taken'
    url = 'https://dougwastaken.tumblr.com'


class MandatoryRollerCoaster(GenericTumblrV1):
    """Class to retrieve Mandatory Roller Coaster comics."""
    name = 'rollercoaster'
    long_name = 'Mandatory Roller Coaster'
    url = 'http://mandatoryrollercoaster.com'


class CEstPasEnRegardantSesPompes(GenericTumblrV1):
    """Class to retrieve C'Est Pas En Regardant Ses Pompes (...)  comics."""
    name = 'cperspqccltt'
    long_name = 'C Est Pas En Regardant Ses Pompes (...)'
    url = 'http://marcoandco.tumblr.com'


class TheGrohlTroll(GenericTumblrV1):
    """Class to retrieve The Grohl Troll comics."""
    name = 'grohltroll'
    long_name = 'The Grohl Troll'
    url = 'http://thegrohltroll.com'


class WebcomicName(GenericTumblrV1):
    """Class to retrieve Webcomic Name comics."""
    name = 'webcomicname'
    long_name = 'Webcomic Name'
    url = 'http://webcomicname.com'


class BooksOfAdam(GenericTumblrV1):
    """Class to retrieve Books of Adam comics."""
    # Also on http://www.booksofadam.com
    name = 'booksofadam'
    long_name = 'Books of Adam'
    url = 'http://booksofadam.tumblr.com'


class HarkAVagrant(GenericTumblrV1):
    """Class to retrieve Hark A Vagrant comics."""
    # Also on http://www.harkavagrant.com

This code seems to be duplicated in your project.

    name = 'hark-tumblr'
    long_name = 'Hark A Vagrant (from Tumblr)'
    url = 'http://beatonna.tumblr.com'


class OurSuperAdventureTumblr(GenericTumblrV1):
    """Class to retrieve Our Super Adventure comics."""
    # Also on https://tapastic.com/series/Our-Super-Adventure
    # Also on http://www.oursuperadventure.com
    # http://sarahgraley.com
    name = 'superadventure-tumblr'
    long_name = 'Our Super Adventure (from Tumblr)'
    url = 'http://sarahssketchbook.tumblr.com'


class JakeLikesOnions(GenericTumblrV1):
    """Class to retrieve Jake Likes Onions comics."""
    name = 'jake'
    long_name = 'Jake Likes Onions'
    url = 'http://jakelikesonions.com'


class InYourFaceCake(GenericTumblrV1):
    """Class to retrieve In Your Face Cake comics."""
    name = 'inyourfacecake-tumblr'
    long_name = 'In Your Face Cake (from Tumblr)'
    url = 'https://in-your-face-cake.tumblr.com'


class Robospunk(GenericTumblrV1):
    """Class to retrieve Robospunk comics."""
    name = 'robospunk'
    long_name = 'Robospunk'
    url = 'http://robospunk.com'


class BananaTwinky(GenericTumblrV1):
    """Class to retrieve Banana Twinky comics."""
    name = 'banana'
    long_name = 'Banana Twinky'
    url = 'https://bananatwinky.tumblr.com'


class YesterdaysPopcornTumblr(GenericTumblrV1):
    """Class to retrieve Yesterday's Popcorn comics."""
    # Also on http://www.yesterdayspopcorn.com
    # Also on https://tapastic.com/series/Yesterdays-Popcorn
    name = 'popcorn-tumblr'
    long_name = 'Yesterday\'s Popcorn (from Tumblr)'
    url = 'http://yesterdayspopcorn.tumblr.com'


class TwistedDoodles(GenericTumblrV1):
    """Class to retrieve Twisted Doodles comics."""
    name = 'twisted'
    long_name = 'Twisted Doodles'
    url = 'http://www.twisteddoodles.com'


class UbertoolTumblr(GenericTumblrV1):
    """Class to retrieve Ubertool comics."""
    # Also on http://ubertoolcomic.com
    # Also on https://tapastic.com/series/ubertool
    name = 'ubertool-tumblr'
    long_name = 'Ubertool (from Tumblr)'
    url = 'https://ubertool.tumblr.com'
    _categories = ('UBERTOOL', )


class LittleLifeLinesTumblr(GenericTumblrV1):
    """Class to retrieve Little Life Lines comics."""
    # Also on http://www.littlelifelines.com
    name = 'life-tumblr'
    long_name = 'Little Life Lines (from Tumblr)'
    url = 'https://little-life-lines.tumblr.com'


class TheyCanTalk(GenericTumblrV1):
    """Class to retrieve They Can Talk comics."""
    name = 'theycantalk'
    long_name = 'They Can Talk'
    url = 'http://theycantalk.com'


class Will5NeverCome(GenericTumblrV1):
    """Class to retrieve Will 5:00 Never Come comics."""
    name = 'will5'
    long_name = 'Will 5:00 Never Come ?'
    url = 'http://will5nevercome.com'


class Sephko(GenericTumblrV1):
    """Class to retrieve Sephko Comics."""
    # Also on http://www.sephko.com
    name = 'sephko'
    long_name = 'Sephko'
    url = 'https://sephko.tumblr.com'


class BlazersAtDawn(GenericTumblrV1):
    """Class to retrieve Blazers At Dawn Comics."""
    name = 'blazers'
    long_name = 'Blazers At Dawn'
    url = 'http://blazersatdawn.tumblr.com'


class ArtByMoga(GenericEmptyComic, GenericTumblrV1):  # Deactivated because it downloads too many things
    """Class to retrieve Art By Moga Comics."""
    name = 'moga'
    long_name = 'Art By Moga'
    url = 'http://artbymoga.tumblr.com'


class VerbalVomitTumblr(GenericTumblrV1):
    """Class to retrieve Verbal Vomit comics."""
    # Also on http://www.verbal-vomit.com
    name = 'vomit-tumblr'
    long_name = 'Verbal Vomit (from Tumblr)'
    url = 'http://verbalvomits.tumblr.com'


class LibraryComic(GenericTumblrV1):
    """Class to retrieve LibraryComic."""
    # Also on http://librarycomic.com
    name = 'library-tumblr'
    long_name = 'LibraryComic (from Tumblr)'
    url = 'https://librarycomic.tumblr.com'


class TizzyStitchBirdTumblr(GenericTumblrV1):
    """Class to retrieve Tizzy Stitch Bird comics."""
    # Also on http://tizzystitchbird.com
    # Also on https://tapastic.com/series/TizzyStitchbird
    # Also on http://www.webtoons.com/en/challenge/tizzy-stitchbird/list?title_no=50082
    name = 'tizzy-tumblr'
    long_name = 'Tizzy Stitch Bird (from Tumblr)'
    url = 'http://tizzystitchbird.tumblr.com'


class VictimsOfCircumsolarTumblr(GenericTumblrV1):
    """Class to retrieve VictimsOfCircumsolar comics."""
    # Also on http://www.victimsofcircumsolar.com
    name = 'circumsolar-tumblr'
    long_name = 'Victims Of Circumsolar (from Tumblr)'
    url = 'https://victimsofcomics.tumblr.com'


class RockPaperCynicTumblr(GenericTumblrV1):
    """Class to retrieve RockPaperCynic comics."""
    # Also on http://www.rockpapercynic.com
    # Also on https://tapastic.com/series/rockpapercynic
    name = 'rpc-tumblr'
    long_name = 'Rock Paper Cynic (from Tumblr)'
    url = 'http://rockpapercynic.tumblr.com'


class DeadlyPanelTumblr(GenericTumblrV1):
    """Class to retrieve Deadly Panel comics."""
    # Also on http://www.deadlypanel.com
    # Also on https://tapastic.com/series/deadlypanel
    name = 'deadly-tumblr'
    long_name = 'Deadly Panel (from Tumblr)'
    url = 'https://deadlypanel.tumblr.com'


class CatanaComics(GenericTumblrV1):
    """Class to retrieve Catana comics."""
    name = 'catana'
    long_name = 'Catana'
    url = 'http://www.catanacomics.com'


class AngryAtNothingTumblr(GenericTumblrV1):
    """Class to retrieve Angry at Nothing comics."""
    # Also on http://www.angryatnothing.net
    # Also on http://tapastic.com/series/Comics-yeah-definitely-comics-
    name = 'angry-tumblr'
    long_name = 'Angry At Nothing (from Tumblr)'
    url = 'http://angryatnothing.tumblr.com'


class ShanghaiTango(GenericTumblrV1):
    """Class to retrieve Shanghai Tango comic."""
    name = 'tango'
    long_name = 'Shanghai Tango'
    url = 'http://tango2010weibo.tumblr.com'


class OffTheLeashDogTumblr(GenericTumblrV1):
    """Class to retrieve Off The Leash Dog comics."""
    # Also on http://offtheleashdogcartoons.com
    # Also on http://www.rupertfawcettcartoons.com
    name = 'offtheleash-tumblr'
    long_name = 'Off The Leash Dog (from Tumblr)'
    url = 'http://rupertfawcettsdoggyblog.tumblr.com'
    _categories = ('FAWCETT', )


class ImogenQuestTumblr(GenericTumblrV1):
    """Class to retrieve Imogen Quest comics."""
    # Also on http://imogenquest.net
    name = 'imogen-tumblr'
    long_name = 'Imogen Quest (from Tumblr)'
    url = 'http://imoquest.tumblr.com'


class Shitfest(GenericTumblrV1):
    """Class to retrieve Shitfest comics."""
    name = 'shitfest'
    long_name = 'Shitfest'
    url = 'http://shitfestcomic.com'


class IceCreamSandwichComics(GenericTumblrV1):
    """Class to retrieve Ice Cream Sandwich Comics."""
    name = 'icecream'
    long_name = 'Ice Cream Sandwich Comics'
    url = 'http://icecreamsandwichcomics.com'


class Dustinteractive(GenericTumblrV1):
    """Class to retrieve Dustinteractive comics."""
    name = 'dustinteractive'
    long_name = 'Dustinteractive'
    url = 'http://dustinteractive.com'


class StickyCinemaFloor(GenericTumblrV1):
    """Class to retrieve Sticky Cinema Floor comics."""
    name = 'stickycinema'
    long_name = 'Sticky Cinema Floor'
    url = 'https://stickycinemafloor.tumblr.com'


class IncidentalComicsTumblr(GenericTumblrV1):
    """Class to retrieve Incidental Comics."""
    # Also on http://www.incidentalcomics.com
    name = 'incidental-tumblr'
    long_name = 'Incidental Comics (from Tumblr)'
    url = 'http://incidentalcomics.tumblr.com'


class APleasantWasteOfTimeTumblr(GenericTumblrV1):
    """Class to retrieve A Pleasant Waste Of Time comics."""
    # Also on https://tapas.io/series/A-Pleasant-
    name = 'pleasant-waste-tumblr'
    long_name = 'A Pleasant Waste Of Time (from Tumblr)'
    url = 'https://artjcf.tumblr.com'
    _categories = ('WASTE', )


class HorovitzComicsTumblr(GenericTumblrV1):
    """Class to retrieve Horovitz new comics."""
    # Also on http://www.horovitzcomics.com
    name = 'horovitz-tumblr'
    long_name = 'Horovitz (from Tumblr)'
    url = 'https://horovitzcomics.tumblr.com'
    _categories = ('HOROVITZ', )


class DeepDarkFearsTumblr(GenericTumblrV1):
    """Class to retrieve DeepvDarkvFears comics."""
    name = 'deep-dark-fears-tumblr'
    long_name = 'Deep Dark Fears (from Tumblr)'
    url = 'http://deep-dark-fears.tumblr.com'


class ExtraFabulousComicsTumblr(GenericTumblrV1):
    """Class to retrieve Extra Fabulous Comics."""
    # Also on http://extrafabulouscomics.com
    name = 'efc-tumblr'
    long_name = 'Extra Fabulous Comics (from Tumblr)'
    url = 'https://extrafabulouscomics.tumblr.com'
    _categories = ('EFC', )


class JamesOfNoTradesTumblr(GenericTumblrV1):
    """Class to retrieve JamesOfNoTrades comics."""
    # Also on http://jamesofnotrades.com
    # Also on http://www.webtoons.com/en/challenge/james-of-no-trades/list?title_no=43422
    # Also on https://tapas.io/series/James-of-No-Trades
    name = 'jamesofnotrades-tumblr'
    long_name = 'James Of No Trades (from Tumblr)'
    url = 'http://jamesfregan.tumblr.com'
    _categories = ('JAMESOFNOTRADES', )


class InfiniteGuff(GenericTumblrV1):
    """Class to retrieve Infinite Guff comics."""
    name = 'infiniteguff'
    long_name = 'Infinite Guff'
    url = 'http://infiniteguff.com'


class HorovitzComics(GenericEmptyComic, GenericListableComic):
    """Generic class to handle the logic common to the different comics from Horovitz."""
    # Also on https://horovitzcomics.tumblr.com
    url = 'http://www.horovitzcomics.com'
    _categories = ('HOROVITZ', )
    img_re = re.compile('.*comics/([0-9]*)/([0-9]*)/([0-9]*)/.*$')
    link_re = NotImplemented
    get_url_from_archive_element = join_cls_url_to_href

    @classmethod
    def get_comic_info(cls, soup, link):
        """Get information about a particular comics."""
        href = link['href']
        num = int(cls.link_re.match(href).groups()[0])
        title = link.string
        imgs = soup.find_all('img', id='comic')
        assert len(imgs) == 1
        year, month, day = [int(s)
                            for s in cls.img_re.match(imgs[0]['src']).groups()]
        return {
            'title': title,
            'day': day,
            'month': month,
            'year': year,
            'img': [i['src'] for i in imgs],
            'num': num,
        }

    @classmethod
    def get_archive_elements(cls):
        archive_url = 'http://www.horovitzcomics.com/comics/archive/'
        return reversed(get_soup_at_url(archive_url).find_all('a', href=cls.link_re))


class HorovitzNew(HorovitzComics):
    """Class to retrieve Horovitz new comics."""
    name = 'horovitznew'
    long_name = 'Horovitz New'
    link_re = re.compile('^/comics/new/([0-9]+)$')


class HorovitzClassic(HorovitzComics):
    """Class to retrieve Horovitz classic comics."""
    name = 'horovitzclassic'
    long_name = 'Horovitz Classic'
    link_re = re.compile('^/comics/classic/([0-9]+)$')


class GenericGoComic(GenericNavigableComic):
    """Generic class to handle the logic common to comics from gocomics.com."""
    _categories = ('GOCOMIC', )

    @classmethod
    def get_first_comic_link(cls):
        """Get link to first comics."""
        return get_soup_at_url(cls.url).find('a', class_='fa btn btn-outline-default btn-circle fa-backward sm ')

    @classmethod
    def get_navi_link(cls, last_soup, next_):
        """Get link to next or previous comic."""
        PREV = 'fa btn btn-outline-default btn-circle fa-caret-left sm '
        NEXT = 'fa btn btn-outline-default btn-circle fa-caret-right hidden-sm-up sm '
        return last_soup.find('a', class_=NEXT if next_ else PREV)

    @classmethod
    def get_url_from_link(cls, link):
        gocomics = 'http://www.gocomics.com'
        return urljoin_wrapper(gocomics, link['href'])

    @classmethod
    def get_comic_info(cls, soup, link):
        """Get information about a particular comics."""
        date_str = soup.find('meta', property='article:published_time')['content']
        day = string_to_date(date_str, "%Y-%m-%d")
        imgs = soup.find('picture', class_='img-fluid item-comic-image').find_all('img')
        author = soup.find('meta', property='article:author')['content']
        tags = soup.find('meta', property='article:tag')['content']
        return {
            'day': day.day,
            'month': day.month,
            'year': day.year,
            'img': [urljoin_wrapper(cls.url, i['src']) for i in imgs],
            'author': author,
            'tags': tags,
        }


class PearlsBeforeSwine(GenericGoComic):
    """Class to retrieve Pearls Before Swine comics."""
    name = 'pearls'
    long_name = 'Pearls Before Swine'
    url = 'http://www.gocomics.com/pearlsbeforeswine'


class Peanuts(GenericGoComic):
    """Class to retrieve Peanuts comics."""
    name = 'peanuts'
    long_name = 'Peanuts'
    url = 'http://www.gocomics.com/peanuts'


class MattWuerker(GenericGoComic):
    """Class to retrieve Matt Wuerker comics."""
    name = 'wuerker'
    long_name = 'Matt Wuerker'
    url = 'http://www.gocomics.com/mattwuerker'


class TomToles(GenericGoComic):
    """Class to retrieve Tom Toles comics."""
    name = 'toles'
    long_name = 'Tom Toles'
    url = 'http://www.gocomics.com/tomtoles'


class BreakOfDay(GenericGoComic):
    """Class to retrieve Break Of Day comics."""
    name = 'breakofday'
    long_name = 'Break Of Day'
    url = 'http://www.gocomics.com/break-of-day'


class Brevity(GenericGoComic):
    """Class to retrieve Brevity comics."""
    name = 'brevity'
    long_name = 'Brevity'
    url = 'http://www.gocomics.com/brevity'


class MichaelRamirez(GenericGoComic):
    """Class to retrieve Michael Ramirez comics."""
    name = 'ramirez'
    long_name = 'Michael Ramirez'
    url = 'http://www.gocomics.com/michaelramirez'


class MikeLuckovich(GenericGoComic):
    """Class to retrieve Mike Luckovich comics."""
    name = 'luckovich'
    long_name = 'Mike Luckovich'
    url = 'http://www.gocomics.com/mikeluckovich'


class JimBenton(GenericGoComic):
    """Class to retrieve Jim Benton comics."""
    # Also on http://jimbenton.tumblr.com
    name = 'benton'
    long_name = 'Jim Benton'
    url = 'http://www.gocomics.com/jim-benton-cartoons'


class TheArgyleSweater(GenericGoComic):
    """Class to retrieve the Argyle Sweater comics."""
    name = 'argyle'
    long_name = 'Argyle Sweater'
    url = 'http://www.gocomics.com/theargylesweater'


class SunnyStreet(GenericGoComic):
    """Class to retrieve Sunny Street comics."""
    # Also on http://www.sunnystreetcomics.com
    name = 'sunny'
    long_name = 'Sunny Street'
    url = 'http://www.gocomics.com/sunny-street'


class OffTheMark(GenericGoComic):
    """Class to retrieve Off The Mark comics."""
    # Also on https://www.offthemark.com
    name = 'offthemark'
    long_name = 'Off The Mark'
    url = 'http://www.gocomics.com/offthemark'


class WuMo(GenericGoComic):
    """Class to retrieve WuMo comics."""
    # Also on http://wumo.com
    name = 'wumo'
    long_name = 'WuMo'
    url = 'http://www.gocomics.com/wumo'


class LunarBaboon(GenericGoComic):
    """Class to retrieve Lunar Baboon comics."""
    # Also on http://www.lunarbaboon.com
    # Also on https://tapastic.com/series/Lunarbaboon
    name = 'lunarbaboon'
    long_name = 'Lunar Baboon'
    url = 'http://www.gocomics.com/lunarbaboon'


class SandersenGocomic(GenericGoComic):
    """Class to retrieve Sarah Andersen comics."""
    # Also on http://sarahcandersen.com
    # Also on http://tapastic.com/series/Doodle-Time
    name = 'sandersen-goc'
    long_name = 'Sarah Andersen (from GoComics)'
    url = 'http://www.gocomics.com/sarahs-scribbles'


class SaturdayMorningBreakfastCerealGoComic(GenericGoComic):
    """Class to retrieve Saturday Morning Breakfast Cereal comics."""
    # Also on http://smbc-comics.tumblr.com
    # Also on http://www.smbc-comics.com
    name = 'smbc-goc'
    long_name = 'Saturday Morning Breakfast Cereal (from GoComics)'
    url = 'http://www.gocomics.com/saturday-morning-breakfast-cereal'
    _categories = ('SMBC', )


class CalvinAndHobbesGoComic(GenericGoComic):
    """Class to retrieve Calvin and Hobbes comics."""
    # From gocomics, not http://marcel-oehler.marcellosendos.ch/comics/ch/
    name = 'calvin-goc'
    long_name = 'Calvin and Hobbes (from GoComics)'
    url = 'http://www.gocomics.com/calvinandhobbes'


class RallGoComic(GenericGoComic):
    """Class to retrieve Ted Rall comics."""
    # Also on http://rall.com/comic
    name = 'rall-goc'
    long_name = "Ted Rall (from GoComics)"
    url = "http://www.gocomics.com/ted-rall"
    _categories = ('RALL', )


class TheAwkwardYetiGoComic(GenericGoComic):
    """Class to retrieve The Awkward Yeti comics."""
    # Also on http://larstheyeti.tumblr.com
    # Also on http://theawkwardyeti.com
    # Also on https://tapastic.com/series/TheAwkwardYeti
    name = 'yeti-goc'
    long_name = 'The Awkward Yeti (from GoComics)'
    url = 'http://www.gocomics.com/the-awkward-yeti'
    _categories = ('YETI', )


class BerkeleyMewsGoComics(GenericGoComic):
    """Class to retrieve Berkeley Mews comics."""
    # Also on http://mews.tumblr.com
    # Also on http://www.berkeleymews.com
    name = 'berkeley-goc'
    long_name = 'Berkeley Mews (from GoComics)'
    url = 'http://www.gocomics.com/berkeley-mews'
    _categories = ('BERKELEY', )


class SheldonGoComics(GenericGoComic):
    """Class to retrieve Sheldon comics."""
    # Also on http://www.sheldoncomics.com
    name = 'sheldon-goc'
    long_name = 'Sheldon Comics (from GoComics)'
    url = 'http://www.gocomics.com/sheldon'


class FowlLanguageGoComics(GenericGoComic):
    """Class to retrieve Fowl Language comics."""
    # Also on http://www.fowllanguagecomics.com
    # Also on http://tapastic.com/series/Fowl-Language-Comics
    # Also on http://fowllanguagecomics.tumblr.com
    name = 'fowllanguage-goc'
    long_name = 'Fowl Language Comics (from GoComics)'
    url = 'http://www.gocomics.com/fowl-language'
    _categories = ('FOWLLANGUAGE', )


class NickAnderson(GenericGoComic):
    """Class to retrieve Nick Anderson comics."""
    name = 'nickanderson'
    long_name = 'Nick Anderson'
    url = 'http://www.gocomics.com/nickanderson'


class GarfieldGoComics(GenericGoComic):
    """Class to retrieve Garfield comics."""
    # Also on http://garfield.com
    name = 'garfield-goc'
    long_name = 'Garfield (from GoComics)'
    url = 'http://www.gocomics.com/garfield'
    _categories = ('GARFIELD', )


class DorrisMcGoComics(GenericGoComic):
    """Class to retrieve Dorris Mc Comics"""
    # Also on http://dorrismccomics.com
    name = 'dorrismc-goc'
    long_name = 'Dorris Mc (from GoComics)'
    url = 'http://www.gocomics.com/dorris-mccomics'


class FoxTrot(GenericGoComic):
    """Class to retrieve FoxTrot comics."""
    name = 'foxtrot'
    long_name = 'FoxTrot'
    url = 'http://www.gocomics.com/foxtrot'


class FoxTrotClassics(GenericGoComic):
    """Class to retrieve FoxTrot Classics comics."""
    name = 'foxtrot-classics'
    long_name = 'FoxTrot Classics'
    url = 'http://www.gocomics.com/foxtrotclassics'


class MisterAndMeGoComics(GenericEmptyComic, GenericGoComic):  # Removed ?
    """Class to retrieve Mister & Me Comics."""
    # Also on http://www.mister-and-me.com
    # Also on https://tapastic.com/series/Mister-and-Me
    name = 'mister-goc'
    long_name = 'Mister & Me (from GoComics)'
    url = 'http://www.gocomics.com/mister-and-me'


class NonSequitur(GenericGoComic):
    """Class to retrieve Non Sequitur (Wiley Miller) comics."""
    name = 'nonsequitur'
    long_name = 'Non Sequitur'
    url = 'http://www.gocomics.com/nonsequitur'


class GenericTapasticComic(GenericListableComic):
    """Generic class to handle the logic common to comics from tapastic.com."""
    _categories = ('TAPASTIC', )

    @classmethod
    def get_comic_info(cls, soup, archive_elt):
        """Get information about a particular comics."""
        timestamp = int(archive_elt['publishDate']) / 1000.0
        day = datetime.datetime.fromtimestamp(timestamp).date()
        imgs = soup.find_all('img', class_='art-image')
        if not imgs:
            print("Comic %s is being uploaded, retry later" % cls.get_url_from_archive_element(archive_elt))
            return None
        assert len(imgs) > 0
        return {
            'day': day.day,
            'year': day.year,
            'month': day.month,
            'img': [i['src'] for i in imgs],
            'title': archive_elt['title'],
        }

    @classmethod
    def get_url_from_archive_element(cls, archive_elt):
        return 'http://tapastic.com/episode/' + str(archive_elt['id'])

    @classmethod
    def get_archive_elements(cls):
        pref, suff = 'episodeList : ', ','
        # Information is stored in the javascript part
        # I don't know the clean way to get it so this is the ugly way.
        string = [s[len(pref):-len(suff)] for s in (s.decode('utf-8').strip() for s in urlopen_wrapper(cls.url).readlines()) if s.startswith(pref) and s.endswith(suff)][0]
        return json.loads(string)


class VegetablesForDessert(GenericTapasticComic):
    """Class to retrieve Vegetables For Dessert comics."""
    # Also on http://vegetablesfordessert.tumblr.com
    name = 'vegetables'
    long_name = 'Vegetables For Dessert'
    url = 'http://tapastic.com/series/vegetablesfordessert'


class FowlLanguageTapa(GenericTapasticComic):
    """Class to retrieve Fowl Language comics."""
    # Also on http://www.fowllanguagecomics.com
    # Also on http://fowllanguagecomics.tumblr.com
    # Also on http://www.gocomics.com/fowl-language
    name = 'fowllanguage-tapa'
    long_name = 'Fowl Language Comics (from Tapastic)'
    url = 'http://tapastic.com/series/Fowl-Language-Comics'
    _categories = ('FOWLLANGUAGE', )


class OscillatingProfundities(GenericTapasticComic):
    """Class to retrieve Oscillating Profundities comics."""
    name = 'oscillating'
    long_name = 'Oscillating Profundities'
    url = 'http://tapastic.com/series/oscillatingprofundities'


class ZnoflatsComics(GenericTapasticComic):
    """Class to retrieve Znoflats comics."""
    name = 'znoflats'
    long_name = 'Znoflats Comics'
    url = 'http://tapastic.com/series/Znoflats-Comics'


class SandersenTapastic(GenericTapasticComic):
    """Class to retrieve Sarah Andersen comics."""
    # Also on http://sarahcandersen.com
    # Also on http://www.gocomics.com/sarahs-scribbles
    name = 'sandersen-tapa'
    long_name = 'Sarah Andersen (from Tapastic)'
    url = 'http://tapastic.com/series/Doodle-Time'


class TubeyToonsTapastic(GenericTapasticComic):
    """Class to retrieve TubeyToons comics."""
    # Also on http://tubeytoons.com
    # Also on https://tubeytoons.tumblr.com
    name = 'tubeytoons-tapa'
    long_name = 'Tubey Toons (from Tapastic)'
    url = 'http://tapastic.com/series/Tubey-Toons'
    _categories = ('TUNEYTOONS', )


class AnythingComicTapastic(GenericTapasticComic):
    """Class to retrieve Anything Comics."""
    # Also on http://www.anythingcomic.com
    name = 'anythingcomic-tapa'
    long_name = 'Anything Comic (from Tapastic)'
    url = 'http://tapastic.com/series/anything'


class UnearthedComicsTapastic(GenericTapasticComic):
    """Class to retrieve Unearthed comics."""
    # Also on http://unearthedcomics.com
    # Also on https://unearthedcomics.tumblr.com
    name = 'unearthed-tapa'
    long_name = 'Unearthed Comics (from Tapastic)'
    url = 'http://tapastic.com/series/UnearthedComics'
    _categories = ('UNEARTHED', )


class EverythingsStupidTapastic(GenericTapasticComic):
    """Class to retrieve Everything's stupid Comics."""
    # Also on http://www.webtoons.com/en/challenge/everythings-stupid/list?title_no=14591
    # Also on http://everythingsstupid.net
    name = 'stupid-tapa'
    long_name = "Everything's Stupid (from Tapastic)"
    url = 'http://tapastic.com/series/EverythingsStupid'


class JustSayEhTapastic(GenericTapasticComic):
    """Class to retrieve Just Say Eh comics."""
    # Also on http://www.justsayeh.com
    name = 'justsayeh-tapa'
    long_name = 'Just Say Eh (from Tapastic)'
    url = 'http://tapastic.com/series/Just-Say-Eh'


class ThorsThundershackTapastic(GenericTapasticComic):
    """Class to retrieve Thor's Thundershack comics."""
    # Also on http://www.thorsthundershack.com
    name = 'thor-tapa'
    long_name = 'Thor\'s Thundershack (from Tapastic)'
    url = 'http://tapastic.com/series/Thors-Thundershac'
    _categories = ('THOR', )


class OwlTurdTapastic(GenericTapasticComic):
    """Class to retrieve Owl Turd comics."""
    # Also on http://owlturd.com
    name = 'owlturd-tapa'
    long_name = 'Owl Turd (from Tapastic)'
    url = 'http://tapastic.com/series/Owl-Turd-Comix'
    _categories = ('OWLTURD', )


class GoneIntoRaptureTapastic(GenericTapasticComic):
    """Class to retrieve Gone Into Rapture comics."""
    # Also on http://goneintorapture.tumblr.com
    # Also on http://goneintorapture.com
    name = 'rapture-tapa'
    long_name = 'Gone Into Rapture (from Tapastic)'
    url = 'http://tapastic.com/series/Goneintorapture'


class HeckIfIKnowComicsTapa(GenericTapasticComic):
    """Class to retrieve Heck If I Know Comics."""
    # Also on http://heckifiknowcomics.com
    name = 'heck-tapa'
    long_name = 'Heck if I Know comics (from Tapastic)'
    url = 'http://tapastic.com/series/Regular'


class CheerUpEmoKidTapa(GenericTapasticComic):
    """Class to retrieve CheerUpEmoKid comics."""
    # Also on http://www.cheerupemokid.com
    # Also on https://enzocomics.tumblr.com
    name = 'cuek-tapa'
    long_name = 'Cheer Up Emo Kid (from Tapastic)'
    url = 'http://tapastic.com/series/CUEK'


class BigFootJusticeTapa(GenericTapasticComic):
    """Class to retrieve Big Foot Justice comics."""
    # Also on http://bigfootjustice.com
    name = 'bigfoot-tapa'
    long_name = 'Big Foot Justice (from Tapastic)'
    url = 'http://tapastic.com/series/bigfoot-justice'


class UpAndOutTapa(GenericTapasticComic):
    """Class to retrieve Up & Out comics."""
    # Also on http://upandoutcomic.tumblr.com
    name = 'upandout-tapa'
    long_name = 'Up And Out (from Tapastic)'
    url = 'http://tapastic.com/series/UP-and-OUT'


class ToonHoleTapa(GenericTapasticComic):
    """Class to retrieve Toon Holes comics."""
    # Also on http://www.toonhole.com
    name = 'toonhole-tapa'
    long_name = 'Toon Hole (from Tapastic)'
    url = 'http://tapastic.com/series/TOONHOLE'


class AngryAtNothingTapa(GenericTapasticComic):
    """Class to retrieve Angry at Nothing comics."""
    # Also on http://www.angryatnothing.net
    # Also on http://angryatnothing.tumblr.com
    name = 'angry-tapa'
    long_name = 'Angry At Nothing (from Tapastic)'
    url = 'http://tapastic.com/series/Comics-yeah-definitely-comics-'


class LeleozTapa(GenericTapasticComic):
    """Class to retrieve Leleoz comics."""
    # Also on http://leleozcomics.tumblr.com
    name = 'leleoz-tapa'
    long_name = 'Leleoz (from Tapastic)'
    url = 'https://tapastic.com/series/Leleoz'


class TheAwkwardYetiTapa(GenericTapasticComic):
    """Class to retrieve The Awkward Yeti comics."""
    # Also on http://www.gocomics.com/the-awkward-yeti
    # Also on http://theawkwardyeti.com
    # Also on http://larstheyeti.tumblr.com
    name = 'yeti-tapa'
    long_name = 'The Awkward Yeti (from Tapastic)'
    url = 'https://tapastic.com/series/TheAwkwardYeti'
    _categories = ('YETI', )


class AsPerUsualTapa(GenericTapasticComic):
    """Class to retrieve As Per Usual comics."""
    # Also on http://as-per-usual.tumblr.com
    name = 'usual-tapa'
    long_name = 'As Per Usual (from Tapastic)'
    url = 'https://tapastic.com/series/AsPerUsual'
    categories = ('DAMILEE', )


class HotComicsForCoolPeopleTapa(GenericTapasticComic):
    """Class to retrieve Hot Comics For Cool People."""
    # Also on http://hotcomicsforcoolpeople.tumblr.com
    # Also on http://hotcomics.biz (links to tumblr)
    # Also on http://hcfcp.com (links to tumblr)
    name = 'hotcomics-tapa'
    long_name = 'Hot Comics For Cool People (from Tapastic)'
    url = 'https://tapastic.com/series/Hot-Comics-For-Cool-People'
    categories = ('DAMILEE', )


class OneOneOneOneComicTapa(GenericTapasticComic):
    """Class to retrieve 1111 Comics."""
    # Also on http://www.1111comics.me
    # Also on http://comics1111.tumblr.com
    name = '1111-tapa'
    long_name = '1111 Comics (from Tapastic)'
    url = 'https://tapastic.com/series/1111-Comics'
    _categories = ('ONEONEONEONE', )


class TumbleDryTapa(GenericTapasticComic):
    """Class to retrieve Tumble Dry comics."""
    # Also on http://tumbledrycomics.com
    name = 'tumbledry-tapa'
    long_name = 'Tumblr Dry (from Tapastic)'
    url = 'https://tapastic.com/series/TumbleDryComics'


class DeadlyPanelTapa(GenericTapasticComic):
    """Class to retrieve Deadly Panel comics."""
    # Also on http://www.deadlypanel.com
    # Also on https://deadlypanel.tumblr.com
    name = 'deadly-tapa'
    long_name = 'Deadly Panel (from Tapastic)'
    url = 'https://tapastic.com/series/deadlypanel'


class ChrisHallbeckMaxiTapa(GenericTapasticComic):
    """Class to retrieve Chris Hallbeck comics."""
    # Also on https://chrishallbeck.tumblr.com
    # Also on http://maximumble.com
    name = 'hallbeckmaxi-tapa'
    long_name = 'Chris Hallback - Maximumble (from Tapastic)'
    url = 'https://tapastic.com/series/Maximumble'
    _categories = ('HALLBACK', )


class ChrisHallbeckMiniTapa(GenericEmptyComic, GenericTapasticComic):
    """Class to retrieve Chris Hallbeck comics."""
    # Also on https://chrishallbeck.tumblr.com
    # Also on http://minimumble.com
    name = 'hallbeckmini-tapa'
    long_name = 'Chris Hallback - Minimumble (from Tapastic)'
    url = 'https://tapastic.com/series/Minimumble'
    _categories = ('HALLBACK', )


class ChrisHallbeckBiffTapa(GenericEmptyComic, GenericTapasticComic):
    """Class to retrieve Chris Hallbeck comics."""
    # Also on https://chrishallbeck.tumblr.com
    # Also on http://thebookofbiff.com
    name = 'hallbeckbiff-tapa'
    long_name = 'Chris Hallback - The Book of Biff (from Tapastic)'
    url = 'https://tapastic.com/series/Biff'
    _categories = ('HALLBACK', )


class RandoWisTapa(GenericTapasticComic):
    """Class to retrieve RandoWis comics."""
    # Also on https://randowis.com
    name = 'randowis-tapa'
    long_name = 'RandoWis (from Tapastic)'
    url = 'https://tapastic.com/series/RandoWis'


class PigeonGazetteTapa(GenericTapasticComic):
    """Class to retrieve The Pigeon Gazette comics."""
    # Also on http://thepigeongazette.tumblr.com
    name = 'pigeon-tapa'
    long_name = 'The Pigeon Gazette (from Tapastic)'
    url = 'https://tapastic.com/series/The-Pigeon-Gazette'


class TheOdd1sOutTapa(GenericTapasticComic):
    """Class to retrieve The Odd 1s Out comics."""
    # Also on http://theodd1sout.com
    # Also on http://theodd1sout.tumblr.com
    name = 'theodd-tapa'
    long_name = 'The Odd 1s Out (from Tapastic)'
    url = 'https://tapastic.com/series/Theodd1sout'


class TheWorldIsFlatTapa(GenericTapasticComic):
    """Class to retrieve The World Is Flat Comics."""
    # Also on http://theworldisflatcomics.tumblr.com
    name = 'flatworld-tapa'
    long_name = 'The World Is Flat (from Tapastic)'
    url = 'https://tapastic.com/series/The-World-is-Flat'


class MisterAndMeTapa(GenericTapasticComic):
    """Class to retrieve Mister & Me Comics."""
    # Also on http://www.mister-and-me.com
    # Also on http://www.gocomics.com/mister-and-me
    name = 'mister-tapa'
    long_name = 'Mister & Me (from Tapastic)'
    url = 'https://tapastic.com/series/Mister-and-Me'


class TalesOfAbsurdityTapa(GenericEmptyComic, GenericTapasticComic):
    """Class to retrieve Tales Of Absurdity comics."""
    # Also on http://talesofabsurdity.com
    # Also on http://talesofabsurdity.tumblr.com
    name = 'absurdity-tapa'
    long_name = 'Tales of Absurdity (from Tapastic)'
    url = 'http://tapastic.com/series/Tales-Of-Absurdity'
    _categories = ('ABSURDITY', )


class BFGFSTapa(GenericTapasticComic):
    """Class to retrieve BFGFS comics."""
    # Also on http://bfgfs.com
    # Also on https://bfgfs.tumblr.com
    name = 'bfgfs-tapa'
    long_name = 'BFGFS (from Tapastic)'
    url = 'https://tapastic.com/series/BFGFS'


class DoodleForFoodTapa(GenericTapasticComic):
    """Class to retrieve Doodle For Food comics."""
    # Also on http://www.doodleforfood.com
    name = 'doodle-tapa'
    long_name = 'Doodle For Food (from Tapastic)'
    url = 'https://tapastic.com/series/Doodle-for-Food'


class MrLovensteinTapa(GenericTapasticComic):
    """Class to retrieve Mr Lovenstein comics."""
    # Also on  https://tapastic.com/series/MrLovenstein
    name = 'mrlovenstein-tapa'
    long_name = 'Mr. Lovenstein (from Tapastic)'
    url = 'https://tapastic.com/series/MrLovenstein'


class CassandraCalinTapa(GenericTapasticComic):
    """Class to retrieve C. Cassandra comics."""
    # Also on http://cassandracalin.com
    # Also on http://c-cassandra.tumblr.com
    name = 'cassandra-tapa'
    long_name = 'Cassandra Calin (from Tapastic)'
    url = 'https://tapastic.com/series/C-Cassandra-comics'


class WafflesAndPancakes(GenericTapasticComic):
    """Class to retrieve Waffles And Pancakes comics."""
    # Also on http://wandpcomic.com
    name = 'waffles'
    long_name = 'Waffles And Pancakes'
    url = 'https://tapastic.com/series/Waffles-and-Pancakes'


class YesterdaysPopcornTapastic(GenericTapasticComic):
    """Class to retrieve Yesterday's Popcorn comics."""
    # Also on http://www.yesterdayspopcorn.com
    # Also on http://yesterdayspopcorn.tumblr.com
    name = 'popcorn-tapa'
    long_name = 'Yesterday\'s Popcorn (from Tapastic)'
    url = 'https://tapastic.com/series/Yesterdays-Popcorn'


class OurSuperAdventureTapastic(GenericEmptyComic, GenericTapasticComic):
    """Class to retrieve Our Super Adventure comics."""
    # Also on http://www.oursuperadventure.com
    # http://sarahssketchbook.tumblr.com
    # http://sarahgraley.com
    name = 'superadventure-tapastic'
    long_name = 'Our Super Adventure (from Tapastic)'
    url = 'https://tapastic.com/series/Our-Super-Adventure'


class NamelessPCs(GenericTapasticComic):
    """Class to retrieve Nameless PCs comics."""
    # Also on http://namelesspcs.com
    name = 'namelesspcs-tapa'
    long_name = 'NamelessPCs (from Tapastic)'
    url = 'https://tapastic.com/series/NamelessPC'


class DownTheUpwardSpiralTapa(GenericTapasticComic):
    """Class to retrieve Down The Upward Spiral comics."""
    # Also on http://www.downtheupwardspiral.com
    # Also on http://downtheupwardspiral.tumblr.com
    name = 'spiral-tapa'
    long_name = 'Down the Upward Spiral (from Tapastic)'
    url = 'https://tapastic.com/series/Down-the-Upward-Spiral'


class UbertoolTapa(GenericTapasticComic):
    """Class to retrieve Ubertool comics."""
    # Also on http://ubertoolcomic.com
    # Also on https://ubertool.tumblr.com
    name = 'ubertool-tapa'
    long_name = 'Ubertool (from Tapastic)'
    url = 'https://tapastic.com/series/ubertool'
    _categories = ('UBERTOOL', )


class BarteNerdsTapa(GenericEmptyComic, GenericTapasticComic):
    """Class to retrieve BarteNerds comics."""
    # Also on http://www.bartenerds.com
    name = 'bartenerds-tapa'
    long_name = 'BarteNerds (from Tapastic)'
    url = 'https://tapastic.com/series/BarteNERDS'


class SmallBlueYonderTapa(GenericTapasticComic):
    """Class to retrieve Small Blue Yonder comics."""
    # Also on http://www.smallblueyonder.com
    name = 'smallblue-tapa'
    long_name = 'Small Blue Yonder (from Tapastic)'
    url = 'https://tapastic.com/series/Small-Blue-Yonder'


class TizzyStitchBirdTapa(GenericTapasticComic):
    """Class to retrieve Tizzy Stitch Bird comics."""
    # Also on http://tizzystitchbird.com
    # Also on http://tizzystitchbird.tumblr.com
    # Also on http://www.webtoons.com/en/challenge/tizzy-stitchbird/list?title_no=50082
    name = 'tizzy-tapa'
    long_name = 'Tizzy Stitch Bird (from Tapastic)'
    url = 'https://tapastic.com/series/TizzyStitchbird'


class RockPaperCynicTapa(GenericTapasticComic):
    """Class to retrieve RockPaperCynic comics."""
    # Also on http://www.rockpapercynic.com
    # Also on http://rockpapercynic.tumblr.com
    name = 'rpc-tapa'
    long_name = 'Rock Paper Cynic (from Tapastic)'
    url = 'https://tapastic.com/series/rockpapercynic'


class IsItCanonTapa(GenericTapasticComic):
    """Class to retrieve Is It Canon comics."""
    # Also on http://www.isitcanon.com
    name = 'canon-tapa'
    long_name = 'Is It Canon (from Tapastic)'
    url = 'http://tapastic.com/series/isitcanon'


class ItsTheTieTapa(GenericTapasticComic):
    """Class to retrieve It's the tie comics."""
    # Also on http://itsthetie.com
    # Also on http://itsthetie.tumblr.com
    name = 'tie-tapa'
    long_name = "It's the tie (from Tapastic)"
    url = "https://tapastic.com/series/itsthetie"
    _categories = ('TIE', )


class JamesOfNoTradesTapa(GenericTapasticComic):
    """Class to retrieve JamesOfNoTrades comics."""
    # Also on http://jamesofnotrades.com
    # Also on http://www.webtoons.com/en/challenge/james-of-no-trades/list?title_no=43422
    # Also on http://jamesfregan.tumblr.com
    name = 'jamesofnotrades-tapa'
    long_name = 'James Of No Trades (from Tapastic)'
    url = 'https://tapas.io/series/James-of-No-Trades'
    _categories = ('JAMESOFNOTRADES', )


class MomentumTapa(GenericTapasticComic):
    """Class to retrieve Momentum comics."""
    # Also on http://www.momentumcomic.com
    name = 'momentum-tapa'
    long_name = 'Momentum (from Tapastic)'
    url = 'https://tapastic.com/series/momentum'


class APleasantWasteOfTimeTapa(GenericTapasticComic):
    """Class to retrieve A Pleasant Waste Of Time comics."""
    # Also on https://artjcf.tumblr.com
    name = 'pleasant-waste-tapa'
    long_name = 'A Pleasant Waste Of Time (from Tapastic)'
    url = 'https://tapas.io/series/A-Pleasant-'
    _categories = ('WASTE', )


def get_subclasses(klass):
    """Gets the list of direct/indirect subclasses of a class"""
    subclasses = klass.__subclasses__()
    for derived in list(subclasses):
        subclasses.extend(get_subclasses(derived))
    return subclasses


def remove_st_nd_rd_th_from_date(string):
    """Function to transform 1st/2nd/3rd/4th in a parsable date format."""
    # Hackish way to convert string with numeral "1st"/"2nd"/etc to date
    return (string.replace('st', '')
            .replace('nd', '')
            .replace('rd', '')
            .replace('th', '')
            .replace('Augu', 'August'))


def string_to_date(string, date_format, local=DEFAULT_LOCAL):
    """Function to convert string to date object.
    Wrapper around datetime.datetime.strptime."""
    # format described in https://docs.python.org/2/library/datetime.html#strftime-and-strptime-behavior
    prev_locale = locale.setlocale(locale.LC_ALL)
    if local != prev_locale:
        locale.setlocale(locale.LC_ALL, local)
    ret = datetime.datetime.strptime(string, date_format).date()
    if local != prev_locale:
        locale.setlocale(locale.LC_ALL, prev_locale)
    return ret


COMICS = set(get_subclasses(GenericComic))
VALID_COMICS = [c for c in COMICS if c.name is not None]
COMIC_NAMES = {c.name: c for c in VALID_COMICS}
assert len(VALID_COMICS) == len(COMIC_NAMES)
CLASS_NAMES = {c.__name__ for c in VALID_COMICS}
assert len(VALID_COMICS) == len(CLASS_NAMES)