Details.__call__() - Code Metrics - batiste/django-page-cms - Measure and Improve Code Quality continuously with Scrutinizer

Details.call() F
last analyzed 2017-08-07 12:02 UTC

↳ Parent: Details

Complexity

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Lines	0
Ratio	0 %

Importance

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Metric	Value
c	0
b	0
f	0
dl	0
loc	73
rs	2.4278
cc	19

How to fix Long Method Complexity

"""Default example views"""
from pages import settings
from pages.models import Page, PageAlias
from pages.phttp import get_language_from_request, remove_slug
from pages.urlconf_registry import get_urlconf
from pages.utils import get_placeholders

from django.http import Http404, HttpResponsePermanentRedirect
from django.contrib.sitemaps import Sitemap
from django.core.urlresolvers import resolve, Resolver404
from django.utils import translation
from django.shortcuts import render

LANGUAGE_KEYS = [key for (key, value) in settings.PAGE_LANGUAGES]


class Details(object):
    """
    This class based view get the root pages for navigation
    and the current page to display if there is any.

    All is rendered with the current page's template.
    """

    def __call__(
            self, request, path=None, lang=None, delegation=True,
            **kwargs):

        current_page = False

        if path is None:
            raise ValueError(
                "pages.views.Details class view requires the path argument. "
                "Check your urls.py file.")

        # for the ones that might have forgotten to pass the language
        # the language is now removed from the page path
        if settings.PAGE_USE_LANGUAGE_PREFIX and lang is None:
            maybe_lang = path.split("/")[0]
            if maybe_lang in LANGUAGE_KEYS:
                lang = maybe_lang
                path = path[(len(lang) + 1):]

        lang = self.choose_language(lang, request)
        pages_navigation = self.get_navigation(request, path, lang)

        context = {
            'path': path,
            'pages_navigation': pages_navigation,
            'lang': lang,
        }

        is_staff = self.is_user_staff(request)

        current_page = self.resolve_page(request, context, is_staff)

        # Do redirect to new page (if enabled)
        if settings.PAGE_REDIRECT_OLD_SLUG and current_page:
            url = current_page.get_absolute_url(language=lang)
            slug = current_page.get_complete_slug(language=lang)
            current_url = request.get_full_path()
            if url != path and url + '/' != current_url and slug != path:
                return HttpResponsePermanentRedirect(url)

        # if no pages has been found, we will try to find it via an Alias
        if not current_page:
            redirection = self.resolve_alias(request, path, lang)
            if redirection:
                return redirection
        else:
            context['current_page'] = current_page

        # If unauthorized to see the pages, raise a 404, That can
        # happen with expired pages.
        if not is_staff and not current_page.visible:
            raise Http404

        redirection = self.resolve_redirection(request, context)
        if redirection:
            return redirection

        self.extra_context(request, context)

        if delegation and current_page.delegate_to:
            answer = self.delegate(request, context, delegation, **kwargs)
            if answer:
                return answer

        if kwargs.get('only_context', False):
            return context
        template_name = kwargs.get(
            'template_name',
            self.get_template(request, context))

        context['template_name'] = template_name

        return render(request, template_name, context)

    def resolve_page(self, request, context, is_staff):
        """Return the appropriate page according to the path."""
        path = context['path']
        lang = context['lang']
        page = Page.objects.from_path(
            path, lang,
            exclude_drafts=(not is_staff))
        if page:
            return page
        # if the complete path didn't worked out properly
        # and if didn't used PAGE_USE_STRICT_URL setting we gonna
        # try to see if it might be a delegation page.
        # To do that we remove the right part of the url and try again
        # to find a page that match
        if not settings.PAGE_USE_STRICT_URL:
            path = remove_slug(path)
            while path is not None:
                page = Page.objects.from_path(
                    path, lang,
                    exclude_drafts=(not is_staff))
                # find a match. Is the page delegating?
                if page:
                    if page.delegate_to:
                        return page
                path = remove_slug(path)

        return None

    def resolve_alias(self, request, path, lang):
        alias = PageAlias.objects.from_path(request, path, lang)
        if alias:
            url = alias.page.get_url_path(lang)
            return HttpResponsePermanentRedirect(url)
        raise Http404

    def resolve_redirection(self, request, context):
        """Check for redirections."""
        current_page = context['current_page']
        lang = context['lang']
        if current_page.redirect_to_url:
            return HttpResponsePermanentRedirect(current_page.redirect_to_url)

        if current_page.redirect_to:
            return HttpResponsePermanentRedirect(
                current_page.redirect_to.get_url_path(lang))

    def get_navigation(self, request, path, lang):
        """Get the pages that are at the root level."""
        return Page.objects.navigation().order_by("tree_id")

    def choose_language(self, lang, request):
        """Deal with the multiple corner case of choosing the language."""

        # Can be an empty string or None
        if not lang:
            lang = get_language_from_request(request)

        # Raise a 404 if the language is not in not in the list
        if lang not in [key for (key, value) in settings.PAGE_LANGUAGES]:
            raise Http404

        # We're going to serve CMS pages in language lang;
        # make django gettext use that language too
        if lang and translation.check_for_language(lang):
            translation.activate(lang)

        return lang

    def get_template(self, request, context):
        """Just there in case you have special business logic."""
        return context['current_page'].get_template()

    def is_user_staff(self, request):
        """Return True if the user is staff."""
        return request.user.is_authenticated() and request.user.is_staff

    def extra_context(self, request, context):
        """Call the PAGE_EXTRA_CONTEXT function if there is one."""
        if settings.PAGE_EXTRA_CONTEXT:
            context.update(settings.PAGE_EXTRA_CONTEXT())

    def delegate(self, request, context, delegation=True):
        # if there is a delegation to another view,
        # call this view instead.
        current_page = context['current_page']
        path = context['path']
        delegate_path = path.replace(
            current_page.get_complete_slug(hideroot=False), "")
        # it seems that the urlconf path have to start with a slash
        if len(delegate_path) == 0:
            delegate_path = "/"
        if delegate_path.startswith("//"):
            delegate_path = delegate_path[1:]
        urlconf = get_urlconf(current_page.delegate_to)
        try:
            result = resolve(delegate_path, urlconf)
        except Resolver404:
            raise Http404
        if result:
            view, args, kwargs = result
            kwargs.update(context)
            # for now the view is called as is.
            return view(request, *args, **kwargs)


# The Details view instance. It's the same object for
# everybody so be careful to maintain it thread safe.
# ie: NO self.attribute = something
details = Details()


class PageSitemap(Sitemap):
    """This site map implementation expose the pages
    in the default language only."""
    changefreq = "weekly"
    priority = 0.5

    def items(self):
        return Page.objects.published()

    def lastmod(self, obj):
        return obj.last_modification_date


class PageItemProxy(object):

    def __init__(self, page, lang):
        self.page = page
        self.lang = lang

    def get_absolute_url(self):
        return self.page.get_absolute_url(language=self.lang)


class MultiLanguagePageSitemap(Sitemap):
    """This site map implementation expose the pages
    in all the languages."""
    changefreq = "weekly"
    priority = 0.5

    def items(self):
        item_list = []
        for page in Page.objects.published():
            for lang in page.get_languages():
                item_list.append(PageItemProxy(page, lang))
        return item_list

    def lastmod(self, obj):
        return obj.page.last_modification_date


1			"""Default example views"""
2			from pages import settings
3			from pages.models import Page, PageAlias
4			from pages.phttp import get_language_from_request, remove_slug
5			from pages.urlconf_registry import get_urlconf
6			from pages.utils import get_placeholders
7
8			from django.http import Http404, HttpResponsePermanentRedirect
9			from django.contrib.sitemaps import Sitemap
10			from django.core.urlresolvers import resolve, Resolver404
11			from django.utils import translation
12			from django.shortcuts import render
13
14			LANGUAGE_KEYS = [key for (key, value) in settings.PAGE_LANGUAGES]
15
16
17			class Details(object):
18			"""
19			This class based view get the root pages for navigation
20			and the current page to display if there is any.
21
22			All is rendered with the current page's template.
23			"""
24
25			def __call__(
26			self, request, path=None, lang=None, delegation=True,
27			**kwargs):
28
29			current_page = False
30
31			if path is None:
32			raise ValueError(
33			"pages.views.Details class view requires the path argument. "
34			"Check your urls.py file.")
35
36			# for the ones that might have forgotten to pass the language
37			# the language is now removed from the page path
38			if settings.PAGE_USE_LANGUAGE_PREFIX and lang is None:
39			maybe_lang = path.split("/")[0]
40			if maybe_lang in LANGUAGE_KEYS:
41			lang = maybe_lang
42			path = path[(len(lang) + 1):]
43
44			lang = self.choose_language(lang, request)
45			pages_navigation = self.get_navigation(request, path, lang)
46
47			context = {
48			'path': path,
49			'pages_navigation': pages_navigation,
50			'lang': lang,
51			}
52
53			is_staff = self.is_user_staff(request)
54
55			current_page = self.resolve_page(request, context, is_staff)
56
57			# Do redirect to new page (if enabled)
58			if settings.PAGE_REDIRECT_OLD_SLUG and current_page:
59			url = current_page.get_absolute_url(language=lang)
60			slug = current_page.get_complete_slug(language=lang)
61			current_url = request.get_full_path()
62			if url != path and url + '/' != current_url and slug != path:
63			return HttpResponsePermanentRedirect(url)
64
65			# if no pages has been found, we will try to find it via an Alias
66			if not current_page:
67			redirection = self.resolve_alias(request, path, lang)
68			if redirection:
69			return redirection
70			else:
71			context['current_page'] = current_page
72
73			# If unauthorized to see the pages, raise a 404, That can
74			# happen with expired pages.
75			if not is_staff and not current_page.visible:
76			raise Http404
77
78			redirection = self.resolve_redirection(request, context)
79			if redirection:
80			return redirection
81
82			self.extra_context(request, context)
83
84			if delegation and current_page.delegate_to:
85			answer = self.delegate(request, context, delegation, **kwargs)
86			if answer:
87			return answer
88
89			if kwargs.get('only_context', False):
90			return context
91			template_name = kwargs.get(
92			'template_name',
93			self.get_template(request, context))
94
95			context['template_name'] = template_name
96
97			return render(request, template_name, context)
98
99			def resolve_page(self, request, context, is_staff):
100			"""Return the appropriate page according to the path."""
101			path = context['path']
102			lang = context['lang']
103			page = Page.objects.from_path(
104			path, lang,
105			exclude_drafts=(not is_staff))
106			if page:
107			return page
108			# if the complete path didn't worked out properly
109			# and if didn't used PAGE_USE_STRICT_URL setting we gonna
110			# try to see if it might be a delegation page.
111			# To do that we remove the right part of the url and try again
112			# to find a page that match
113			if not settings.PAGE_USE_STRICT_URL:
114			path = remove_slug(path)
115			while path is not None:
116			page = Page.objects.from_path(
117			path, lang,
118			exclude_drafts=(not is_staff))
119			# find a match. Is the page delegating?
120			if page:
121			if page.delegate_to:
122			return page
123			path = remove_slug(path)
124
125			return None
126
127			def resolve_alias(self, request, path, lang):
128			alias = PageAlias.objects.from_path(request, path, lang)
129			if alias:
130			url = alias.page.get_url_path(lang)
131			return HttpResponsePermanentRedirect(url)
132			raise Http404
133
134			def resolve_redirection(self, request, context):
135			"""Check for redirections."""
136			current_page = context['current_page']
137			lang = context['lang']
138			if current_page.redirect_to_url:
139			return HttpResponsePermanentRedirect(current_page.redirect_to_url)
140
141			if current_page.redirect_to:
142			return HttpResponsePermanentRedirect(
143			current_page.redirect_to.get_url_path(lang))
144
145			def get_navigation(self, request, path, lang):
146			"""Get the pages that are at the root level."""
147			return Page.objects.navigation().order_by("tree_id")
148
149			def choose_language(self, lang, request):
150			"""Deal with the multiple corner case of choosing the language."""
151
152			# Can be an empty string or None
153			if not lang:
154			lang = get_language_from_request(request)
155
156			# Raise a 404 if the language is not in not in the list
157			if lang not in [key for (key, value) in settings.PAGE_LANGUAGES]:
158			raise Http404
159
160			# We're going to serve CMS pages in language lang;
161			# make django gettext use that language too
162			if lang and translation.check_for_language(lang):
163			translation.activate(lang)
164
165			return lang
166
167			def get_template(self, request, context):
168			"""Just there in case you have special business logic."""
169			return context['current_page'].get_template()
170
171			def is_user_staff(self, request):
172			"""Return True if the user is staff."""
173			return request.user.is_authenticated() and request.user.is_staff
174
175			def extra_context(self, request, context):
176			"""Call the PAGE_EXTRA_CONTEXT function if there is one."""
177			if settings.PAGE_EXTRA_CONTEXT:
178			context.update(settings.PAGE_EXTRA_CONTEXT())
179
180			def delegate(self, request, context, delegation=True):
181			# if there is a delegation to another view,
182			# call this view instead.
183			current_page = context['current_page']
184			path = context['path']
185			delegate_path = path.replace(
186			current_page.get_complete_slug(hideroot=False), "")
187			# it seems that the urlconf path have to start with a slash
188			if len(delegate_path) == 0:
189			delegate_path = "/"
190			if delegate_path.startswith("//"):
191			delegate_path = delegate_path[1:]
192			urlconf = get_urlconf(current_page.delegate_to)
193			try:
194			result = resolve(delegate_path, urlconf)
195			except Resolver404:
196			raise Http404
197			if result:
198			view, args, kwargs = result
199			kwargs.update(context)
200			# for now the view is called as is.
201			return view(request, args, *kwargs)
202
203
204			# The Details view instance. It's the same object for
205			# everybody so be careful to maintain it thread safe.
206			# ie: NO self.attribute = something
207			details = Details()
208
209
210			class PageSitemap(Sitemap):
211			"""This site map implementation expose the pages
212			in the default language only."""
213			changefreq = "weekly"
214			priority = 0.5
215
216			def items(self):
217			return Page.objects.published()
218
219			def lastmod(self, obj):
220			return obj.last_modification_date
221
222
223			class PageItemProxy(object):
224
225			def __init__(self, page, lang):
226			self.page = page
227			self.lang = lang
228
229			def get_absolute_url(self):
230			return self.page.get_absolute_url(language=self.lang)
231
232
233			class MultiLanguagePageSitemap(Sitemap):
234			"""This site map implementation expose the pages
235			in all the languages."""
236			changefreq = "weekly"
237			priority = 0.5
238
239			def items(self):
240			item_list = []
241			for page in Page.objects.published():
242			for lang in page.get_languages():
243			item_list.append(PageItemProxy(page, lang))
244			return item_list
245
246			def lastmod(self, obj):
247			return obj.page.last_modification_date
248

batiste / django-page-cms

Details.__call__() F last analyzed 2017-08-07 12:02 UTC

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Details.call() F
last analyzed 2017-08-07 12:02 UTC