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# coding: utf-8 |
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import arrow |
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import datetime |
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from django.conf import settings |
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from django.core.mail import send_mail, mail_admins |
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from django.utils import html |
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import importlib |
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import time |
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""" |
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Simple utility functions |
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""" |
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def class_for_name(module_name, class_name): |
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""" |
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Import a class dynamically |
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:param module_name: the name of a module |
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:param class_name: the name of a class |
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:type module_name: string |
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:type class_name: string |
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:return: Return the value of the named attribute of object. |
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:rtype: object |
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""" |
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# load the module, will raise ImportError if module cannot be loaded |
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m = importlib.import_module(module_name) |
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# get the class, will raise AttributeError if class cannot be found |
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c = getattr(m, class_name) |
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return c |
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def get_service(service, model_form='models', form_name=''): |
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""" |
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get the service name then load the model |
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:param service: the service name |
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:param model_form: could be 'models' or 'forms' |
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:param form_name: the name of the form is model_form is 'forms' |
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:type service: string |
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:type model_form: string |
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:type form_name: string |
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:return: the object of the spotted Class. |
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:rtype: object |
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:Example: |
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class_name could be : |
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th_rss.models |
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th_rss.forms |
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service_name could be : |
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ServiceRss |
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then could call : |
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Rss+ProviderForm |
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Evernote+ConsumerForm |
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""" |
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service_name = str(service).split('Service')[1] |
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class_name = 'th_' + service_name.lower() + '.' + model_form |
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if model_form == 'forms': |
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return class_for_name(class_name, service_name + form_name) |
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else: |
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return class_for_name(class_name, service_name) |
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def to_datetime(data): |
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""" |
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convert Datetime 9-tuple to the date and time format |
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feedparser provides this 9-tuple |
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:param data: data to be checked |
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:type data: dict |
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""" |
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my_date_time = None |
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if 'published_parsed' in data: |
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my_date_time = datetime.datetime.utcfromtimestamp(time.mktime(data.get('published_parsed'))) |
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elif 'created_parsed' in data: |
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my_date_time = datetime.datetime.utcfromtimestamp(time.mktime(data.get('created_parsed'))) |
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elif 'updated_parsed' in data: |
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my_date_time = datetime.datetime.utcfromtimestamp(time.mktime(data.get('updated_parsed'))) |
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elif 'my_date' in data: |
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my_date_time = arrow.get(data['my_date']) |
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return my_date_time |
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def warn_user_and_admin(consumer_provider, service): |
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""" |
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:param consumer_provider: the consumer or provider |
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:param service: the service |
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:return: |
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""" |
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from_mail = settings.DEFAULT_FROM_EMAIL |
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if consumer_provider == 'provider': |
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service_name = service.provider.name.name.split('Service')[1] |
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else: |
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service_name = service.consumer.name.name.split('Service')[1] |
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title = 'Trigger "{}" disabled'.format(service.description) |
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body = 'The trigger "{}" has been disabled due to an issue with "{}". ' \ |
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'Try to renew it to refresh the token to try to fix the issue'. \ |
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format(service.description, service_name) |
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# for enduser |
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send_mail(title, body, from_mail, [service.user.email], fail_silently=False) |
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# for admins |
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body = 'The trigger "{}" has been disabled due to an issue with "{}". ' \ |
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'User {}\'s trigger'.format(service.description, service_name, service.user.email) |
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mail_admins(title, body, fail_silently=False) |
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def download_image(url): |
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""" |
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:param url: url of the image to download |
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:return: local_filename the name of the file in the cache |
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""" |
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import requests |
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import os |
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cache_dir = os.path.dirname(__file__) + '/cache/' |
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local_filename = os.path.basename(url) |
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local_filename = cache_dir + local_filename |
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r = requests.get(url, stream=True) |
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with open(local_filename, 'wb') as f: |
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for chunk in r.iter_content(chunk_size=1024): |
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if chunk: |
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f.write(chunk) |
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return local_filename |
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def get_tags(model, trigger_id): |
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""" |
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get the tags if any |
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:param model: the model object to request |
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:param trigger_id: the id of the related trigger |
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:return: tags string |
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""" |
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# get the data of this trigger |
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trigger = model.objects.get(trigger_id=trigger_id) |
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tags = '' |
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if trigger.tag: |
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# is there several tag ? |
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tags = ["#" + tag.strip() for tag in trigger.tag.split(',')] |
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tags = str(','.join(tags)) if isinstance(tags, list) else tags |
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tags = ' ' + tags |
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return tags |
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def limit_content(content, limit): |
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""" |
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:param content: the content |
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:param limit: limit of the content |
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:return: content resized or not |
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""" |
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content = html.strip_tags(content) |
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return content[:limit] if len(content) > limit else content |
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push-things /
django-th
