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