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bazarr/libs/subzero/cache_backends/file.py

53 lines
1.4 KiB

# coding=utf-8
from __future__ import absolute_import
from dogpile.cache.api import CacheBackend, NO_VALUE
from fcache.cache import FileCache
class SZFileBackend(CacheBackend):
def __init__(self, arguments):
self._cache = FileCache(arguments.pop("appname", None), flag=arguments.pop("flag", "c"),
serialize=arguments.pop("serialize", True),
app_cache_dir=arguments.pop("app_cache_dir", None))
def get(self, key):
value = self._cache.get(key, NO_VALUE)
return value
def get_multi(self, keys):
ret = [
self._cache.get(key, NO_VALUE)
for key in keys]
return ret
def set(self, key, value):
self._cache[key] = value
def set_multi(self, mapping):
for key, value in mapping.items():
self._cache[key] = value
def delete(self, key):
self._cache.pop(key, None)
def delete_multi(self, keys):
for key in keys:
self._cache.pop(key, None)
@property
def all_filenames(self):
return self._cache._all_filenames()
def sync(self, force=False):
if (hasattr(self._cache, "_buffer") and self._cache._buffer) or force:
self._cache.sync()
def clear(self):
self._cache.clear()
if not hasattr(self._cache, "_buffer") or self._cache._sync:
self._cache._sync = False
self._cache._buffer = {}