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lock mapudates before setting cache if possible

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This commit is contained in:
Jenny Danzmayr 2018-12-08 05:54:30 +01:00
parent 6d166325e6
commit 328fb1b215
1 changed files with 4 additions and 2 deletions
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6
src/c3nav/mapdata/models/update.py
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@ -43,9 +43,10 @@ class MapUpdate(models.Model):
try:
with cls.lock():
last_update = cls.objects.latest().to_tuple
cache.set('mapdata:last_update', last_update, None)
except cls.DoesNotExist:
last_update = (0, 0)
cache.set('mapdata:last_update', last_update, None)
cache.set('mapdata:last_update', last_update, None)
return last_update
@classmethod
@ -57,9 +58,10 @@ class MapUpdate(models.Model):
try:
with cls.lock():
last_processed_update = cls.objects.filter(processed=True).latest().to_tuple
cache.set('mapdata:last_processed_update', last_processed_update, None)
except cls.DoesNotExist:
last_processed_update = (0, 0)
cache.set('mapdata:last_processed_update', last_processed_update, None)
cache.set('mapdata:last_processed_update', last_processed_update, None)
return last_processed_update
@property