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Viewing changes to tracking/listeners.py

  • Committer: franku
  • Date: 2016-07-02 12:38:06 UTC
  • mfrom: (404.2.56 widelands)
  • Revision ID: somal@arcor.de-20160702123806-q69u3d48s1prrxds
merged the django1_8 branch

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tracking/listeners.py
 
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import logging
 
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log = logging.getLogger('tracking.listeners')
 
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try:
 
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    from django.core.cache import cache
 
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    from django.db.models.signals import post_save, post_delete
 
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    from tracking.models import UntrackedUserAgent, BannedIP
 
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except ImportError:
 
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    pass
 
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else:
 
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    def refresh_untracked_user_agents(sender, instance, created=False, **kwargs):
 
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        """Updates the cache of user agents that we don't track"""
 
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        log.debug('Updating untracked user agents cache')
 
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        cache.set('_tracking_untracked_uas',
 
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            UntrackedUserAgent.objects.all(),
 
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            3600)
 
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    def refresh_banned_ips(sender, instance, created=False, **kwargs):
 
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        """Updates the cache of banned IP addresses"""
 
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        log.debug('Updating banned IP cache')
 
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        cache.set('_tracking_banned_ips',
 
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            [b.ip_address for b in BannedIP.objects.all()],
 
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            3600)
 
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    post_save.connect(refresh_untracked_user_agents, sender=UntrackedUserAgent)
 
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    post_delete.connect(refresh_untracked_user_agents, sender=UntrackedUserAgent)
 
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    post_save.connect(refresh_banned_ips, sender=BannedIP)
 
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    post_delete.connect(refresh_banned_ips, sender=BannedIP)