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ensure signal disconnection

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This commit is contained in:
Vitor Figueiro 2014-02-07 19:59:16 +00:00
parent a2f4c98fa1
commit ecd53b7a07
1 changed files with 13 additions and 2 deletions
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15
src/auditlog/middleware.py
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@ -1,3 +1,5 @@
import time
from django.conf import settings
from django.db.models.signals import pre_save
from django.utils.functional import curry
@ -21,15 +23,24 @@ class AuditlogMiddleware(object):
else:
user = None
request.auditlog_ts = time.time()
set_actor = curry(self.set_actor, user)
pre_save.connect(set_actor, sender=LogEntry, dispatch_uid=(self.__class__, request), weak=False)
pre_save.connect(set_actor, sender=LogEntry, dispatch_uid=(self.__class__, request.auditlog_ts), weak=False)
def process_response(self, request, response):
"""
Disconnects the signal receiver to prevent it from staying active.
"""
# Disconnecting the signal receiver is required because it will not be garbage collected (non-weak reference)
pre_save.disconnect(dispatch_uid=(self.__class__, request))
pre_save.disconnect(sender=LogEntry, dispatch_uid=(self.__class__, request.auditlog_ts))
return response
def process_exception(self, request, exception):
"""
Disconnects the signal receiver to prevent it from staying active in case of an exception.
"""
pre_save.disconnect(sender=LogEntry, dispatch_uid=(self.__class__, request.auditlog_ts))
return response