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cache room routers without memcached because it has a memory limit per item

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This commit is contained in:
Laura Klünder 2016-12-19 02:01:29 +01:00
parent e55023ee6a
commit 3ed5b6c3e3
1 changed files with 5 additions and 3 deletions
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8
src/c3nav/routing/room.py
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@ -1,7 +1,6 @@
from collections import namedtuple
import numpy as np
from django.core.cache import cache
from matplotlib.path import Path
from scipy.sparse.csgraph._shortest_path import shortest_path
from scipy.sparse.csgraph._tools import csgraph_from_dense
@ -233,14 +232,17 @@ class GraphRoom():
area.finish_build()
# Routing
router_cache = {}
def build_router(self, allowed_ctypes):
ctypes = tuple(i for i, ctype in enumerate(self.ctypes) if ctype in allowed_ctypes)
cache_key = ('c3nav__graph__roomrouter__%s__%s__%s' %
(self.graph.mtime, self.i, ','.join(str(i) for i in ctypes)))
roomrouter = cache.get(cache_key)
roomrouter = self.router_cache.get(cache_key)
if not roomrouter:
roomrouter = self._build_router(ctypes)
cache.set(cache_key, roomrouter, 600)
self.router_cache[cache_key] = roomrouter
return roomrouter
def _build_router(self, ctypes):