Integrate persistent cache with "var_dir" conf option

[mpd-sima.git] / sima / lib / httpcli / cache.py

diff --git a/sima/lib/httpcli/cache.py b/sima/lib/httpcli/cache.py
deleted file mode 100644 (file)
index 22c751d..0000000
--- a/sima/lib/httpcli/cache.py
+++ /dev/null
@@ -1,76 +0,0 @@
-"""
-The cache object API for implementing caches. The default is just a
-dictionary, which in turns means it is not threadsafe for writing.
-"""
-
-import os
-import base64
-import codecs
-
-from hashlib import md5
-from pickle import load, dump
-from threading import Lock
-
-from .filelock import FileLock
-
-
-class BaseCache:
-
-    def get(self, key):
-        raise NotImplemented()
-
-    def set(self, key, value):
-        raise NotImplemented()
-
-    def delete(self, key):
-        raise NotImplemented()
-
-
-class DictCache(BaseCache):
-
-    def __init__(self, init_dict=None):
-        self.lock = Lock()
-        self.data = init_dict or {}
-
-    def get(self, key):
-        return self.data.get(key, None)
-
-    def set(self, key, value):
-        with self.lock:
-            self.data.update({key: value})
-
-    def delete(self, key):
-        with self.lock:
-            if key in self.data:
-                self.data.pop(key)
-
-
-class FileCache:
-
-    def __init__(self, directory, forever=False):
-        self.directory = directory
-        self.forever = forever
-
-        if not os.path.isdir(self.directory):
-            os.mkdir(self.directory)
-
-    def encode(self, x):
-        return md5(x.encode('utf-8')).hexdigest()
-
-    def _fn(self, name):
-        return os.path.join(self.directory, self.encode(name))
-
-    def get(self, key):
-        name = self._fn(key)
-        if os.path.exists(name):
-            return load(codecs.open(name, 'rb'))
-
-    def set(self, key, value):
-        name = self._fn(key)
-        with FileLock(name):
-            with codecs.open(name, 'w+b') as fh:
-                dump(value, fh)
-
-    def delete(self, key):
-        if not self.forever:
-            os.remove(self._fn(key))