def CacheSphinx(cache, cl):
"""Caches the request of a Sphinx client.
"""
# there are requests and to be computed results
reqs = [req for req in cl._reqs]
results = [None] * len(reqs)
comp_reqs = []
comp_results = []
# get results from cache
for i, req in enumerate(reqs):
if req in cache:
results[i] = cache.Get(req)
results[i]['time'] = 0
else:
comp_reqs.append(req)
# get results that need to be computed
if comp_reqs:
cl._reqs = comp_reqs
comp_results = SphinxClient.RunQueries(cl)
else:
cl._reqs = []
# return None on IO failure
if comp_results == None:
return None
# cache computed results and Get results
for req, result in zip(comp_reqs, comp_results):
if result != None:
cache.Set(req, result)
results[results.index(None)] = result
return results
def RunQueries(self, caching=None):
if not self.cache or caching is False:
return SphinxClient.RunQueries(self)
else:
return cache.CacheSphinx(self.cache, self)
