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# coding: utf-8 |
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from __future__ import unicode_literals |
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from __future__ import absolute_import |
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import arrow |
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# django |
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from django.utils.log import getLogger |
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from django.conf import settings |
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from django.utils.timezone import now |
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# trigger happy |
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from django_th.services import default_provider |
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from django_th.models import TriggerService |
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from django_th.tools import warn_user_and_admin |
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logger = getLogger('django_th.trigger_happy') |
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class Read(object): |
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""" |
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Extracting the data from any service |
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""" |
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def provider(self, service_provider, **kwargs): |
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""" |
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get the data of the provider service |
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:param service_provider: |
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:param kwargs: |
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:return: |
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""" |
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getattr(service_provider, '__init__')(kwargs.get('token')) |
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return getattr(service_provider, 'read_data')(**kwargs) |
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def is_ceil_reached(self, service): |
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""" |
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check if the ceil of nb of tries is reached |
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:param service: |
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:return: |
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""" |
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failed = service.provider_failed + 1 |
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if failed > settings.DJANGO_TH.get('failed_tries', 10): |
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TriggerService.objects.filter(id=service.id).\ |
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update(date_result=now(), status=False) |
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else: |
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TriggerService.objects.filter(id=service.id).\ |
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update(date_result=now(), provider_failed=failed) |
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warn_user_and_admin('provider', service) |
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def reading(self, service): |
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""" |
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get the data from the service and put theme in cache |
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:param service: service object to read |
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:type service: object |
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""" |
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now = arrow.utcnow().to(settings.TIME_ZONE).format( |
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'YYYY-MM-DD HH:mm:ssZZ') |
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# counting the new data to store to display them in the log |
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# provider - the service that offer data |
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provider_token = service.provider.token |
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default_provider.load_services() |
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service_provider = default_provider.get_service( |
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str(service.provider.name.name)) |
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# check if the service has already been triggered |
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# if date_triggered is None, then it's the first run |
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# so it will be set to "now" |
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date_triggered = service.date_triggered if service.date_triggered \ |
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else now |
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# 1) get the data from the provider service |
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# get a timestamp of the last triggered of the service |
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kwargs = {'token': provider_token, |
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'trigger_id': service.id, |
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'date_triggered': date_triggered} |
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data = self.provider(service_provider, **kwargs) |
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if data: |
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if len(data) > 0: |
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logger.info("{} - {} new data".format(service, len(data))) |
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else: |
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# if data is False, something went wrong |
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self.is_ceil_reached(service) |
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foxmask /
django-th
