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clear cache after each map update

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This commit is contained in:
Laura Klünder 2018-12-27 22:02:07 +01:00
parent cf1630fd83
commit be693bee4b
1 changed files with 11 additions and 0 deletions
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11
src/c3nav/mapdata/utils/cache/local.py vendored
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@ -2,6 +2,8 @@ from collections import OrderedDict
from django.core.cache import cache from django.core.cache import cache
from c3nav.mapdata.models import MapUpdate
class NoneFromCache: class NoneFromCache:
pass pass
@ -12,7 +14,9 @@ class LocalCacheProxy:
# only usable for stuff that never changes, obviously # only usable for stuff that never changes, obviously
def __init__(self, maxsize=128): def __init__(self, maxsize=128):
self._maxsize = maxsize self._maxsize = maxsize
self._mapupdate = None
self._items = OrderedDict() self._items = OrderedDict()
self._check_mapupdate()
def get(self, key, default=None): def get(self, key, default=None):
print('get') print('get')
@ -36,7 +40,14 @@ class LocalCacheProxy:
while len(self._items) > self._maxsize: while len(self._items) > self._maxsize:
self._items.pop(next(iter(self._items.keys()))) self._items.pop(next(iter(self._items.keys())))
def _check_mapupdate(self):
mapupdate = MapUpdate.current_cache_key()
if self._mapupdate != mapupdate:
self._items = []
self._mapupdate = mapupdate
def set(self, key, value, expire): def set(self, key, value, expire):
self._check_mapupdate()
cache.set(key, value, expire) cache.set(key, value, expire)
self._items[key] = value self._items[key] = value
self._prune() self._prune()