invalidate cache when policy is saved
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@ -1,10 +1,15 @@
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"""passbook core signals"""
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from logging import getLogger
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from django.core.cache import cache
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from django.core.signals import Signal
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from django.db.models.signals import post_save
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from django.dispatch import receiver
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from passbook.core.exceptions import PasswordPolicyInvalid
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LOGGER = getLogger(__name__)
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user_signed_up = Signal(providing_args=['request', 'user'])
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invitation_created = Signal(providing_args=['request', 'invitation'])
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invitation_used = Signal(providing_args=['request', 'invitation', 'user'])
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@ -24,3 +29,14 @@ def password_policy_checker(sender, password, **kwargs):
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passing, messages = policy_engine.result
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if not passing:
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raise PasswordPolicyInvalid(*messages)
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@receiver(post_save)
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# pylint: disable=unused-argument
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def invalidate_policy_cache(sender, instance, **kwargs):
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"""Invalidate Policy cache when policy is updated"""
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from passbook.core.models import Policy
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if isinstance(instance, Policy):
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LOGGER.debug("Invalidating cache for %s", instance.pk)
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keys = cache.keys("%s#*" % instance.pk)
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cache.delete_many(keys)
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LOGGER.debug("Deleted %d keys", len(keys))
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