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# coding: utf-8 |
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# add here the call of any native lib of python like datetime etc. |
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# add the python API here if needed |
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from wallabag_api.wallabag import Wallabag as Wall |
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# django classes |
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from django.core.urlresolvers import reverse |
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from django.utils.log import getLogger |
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from django.core.cache import caches |
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# django_th classes |
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from django_th.services.services import ServicesMgr |
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from django_th.html_entities import HtmlEntities |
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from django_th.models import UserService, ServicesActivated |
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""" |
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handle process with wallabag |
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put the following in settings.py |
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TH_SERVICES = ( |
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... |
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'th_wallabag.my_wallabag.ServiceWallabag', |
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... |
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) |
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""" |
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logger = getLogger('django_th.trigger_happy') |
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cache = caches['th_wallabag'] |
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class ServiceWallabag(ServicesMgr): |
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def __init__(self, token=None): |
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super(ServiceWallabag, self).__init__(token) |
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self.token = token |
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if token: |
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try: |
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us = UserService.objects.get(token=token, name='ServiceWallabag') |
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self.service_username = us.username |
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self.service_password = us.password |
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self.service_host = us.host |
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self.service_client_secret = us.client_secret |
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self.service_client_id = us.client_id |
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self.wall = Wall(host=self.service_host, |
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client_secret=self.service_client_secret, |
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client_id=self.service_client_id, |
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token=self.token) |
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self.us_not_found = False |
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except UserService.DoesNotExist: |
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self.us_not_found = True |
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def read_data(self, **kwargs): |
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""" |
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get the data from the service |
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as the pocket service does not have any date |
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in its API linked to the note, |
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add the triggered date to the dict data |
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thus the service will be triggered when data will be found |
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:param kwargs: contain keyword args : trigger_id at least |
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:type kwargs: dict |
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:rtype: list |
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""" |
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data = list() |
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trigger_id = kwargs['trigger_id'] |
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cache.set('th_wallabag_' + str(trigger_id), data) |
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def process_data(self, **kwargs): |
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""" |
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get the data from the cache |
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:param kwargs: dict |
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:type kwargs: dict |
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""" |
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kw = {'cache_stack': 'th_wallabag', |
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'trigger_id': str(kwargs['trigger_id'])} |
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return super(ServiceWallabag, self).process_data(**kw) |
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def save_data(self, trigger_id, **data): |
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""" |
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let's save the data |
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:param trigger_id: trigger ID from which to save data |
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:param data: the data to check to be used and save |
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:type trigger_id: int |
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:type data: dict |
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:return: the status of the save statement |
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:rtype: boolean |
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""" |
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from th_wallabag.models import Wallabag |
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status = False |
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if self.token and 'link' in data and data['link'] is not None\ |
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and len(data['link']) > 0: |
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# get the data of this trigger |
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trigger = Wallabag.objects.get(trigger_id=trigger_id) |
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title = self.set_title(data) |
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# convert htmlentities |
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title = HtmlEntities(title).html_entity_decode |
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if self.us_not_found: |
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us = UserService.objects.get(id=data['userservice_id']) |
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self.service_host = us.host |
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self.service_client_secret = us.client_secret |
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self.service_client_id = us.client_id |
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self.token = us.token |
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self.wall = Wall(host=self.service_host, |
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client_secret=self.service_client_secret, |
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client_id=self.service_client_id, |
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token=self.token) |
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try: |
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self.wall.post_entries(url=data['link'], |
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title=title, |
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tags=(trigger.tag.lower())) |
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sentence = str('wallabag {} created').format(data['link']) |
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logger.debug(sentence) |
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status = True |
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except Exception as e: |
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if e.errno == 401: |
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new_token = self.refresh_token() |
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UserService.objects.filter( |
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id=data['userservice_id']).update( |
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token=new_token) |
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# new wallabag session with new token |
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new_wall = Wall(host=self.service_host, |
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client_secret=self.service_client_secret, |
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client_id=self.service_client_id, |
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token=new_token) |
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try: |
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return new_wall.post_entries(url=data['link'], |
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title=title, |
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tags=(trigger.tag.lower()) |
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) |
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except Exception as e: |
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logger.critical(e.errno, e.strerror) |
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status = False |
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else: |
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logger.critical(e.errno, e.strerror) |
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status = False |
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elif self.token and 'link' in data and data['link'] is not None\ |
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and len(data['link']) == 0: |
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logger.warning( |
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"no link provided for trigger ID {}, so we ignore it".format(trigger_id)) |
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status = True |
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else: |
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logger.critical( |
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"no token provided for trigger ID {}".format(trigger_id)) |
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status = False |
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return status |
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def auth(self, request): |
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""" |
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let's auth the user to the Service |
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:param request: request object |
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:return: callback url |
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:rtype: string that contains the url to redirect after auth |
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""" |
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service = UserService.objects.get(user=request.user, name='ServiceWallabag') |
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callback_url = 'http://%s%s' % ( |
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request.get_host(), reverse('wallabag_callback')) |
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params = {'username': service.username, |
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'password': service.password, |
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'client_id': service.client_id, |
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'client_secret': service.client_secret} |
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access_token = Wall.get_token(host=service.host, **params) |
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request.session['oauth_token'] = access_token |
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return callback_url |
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def callback(self, request, **kwargs): |
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""" |
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Called from the Service when the user accept to activate it |
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:param request: request object |
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:return: callback url |
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:rtype: string , path to the template |
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""" |
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try: |
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UserService.objects.filter( |
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user=request.user, |
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name=ServicesActivated.objects.get(name='ServiceWallabag') |
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) |
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except KeyError: |
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return '/' |
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return 'wallabag/callback.html' |
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def refresh_token(self): |
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""" |
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refresh the expired token |
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:return: boolean |
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""" |
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params = {'username': self.service_username, |
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'password': self.service_password, |
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'client_id': self.service_client_id, |
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'client_secret': self.service_client_secret} |
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return Wall.get_token(host=self.service_host, **params) |
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foxmask /
django-th
