congdonglinux · December 12, 2016 16:02 · Oct 16, 2014
diff --git a/proxycache.py b/proxycache.py
@@ -0,0 +1,41 @@
+#!/usr/bin/env python
+from __future__ import print_function
+import os
+import sys
+from collections import namedtuple
+CacheFile = namedtuple('CacheFile', ['path', 'key'])
+def read_cache_file(path):
+    with open(path, 'r') as f:
+        f.seek(0x28)    # skip header
+        key_magic = f.read(6)
+        if key_magic != '\nKEY: ':
+            raise ValueError('Not a cache file: ' + str(path))
+        key = f.readline()[:-1]
+        return CacheFile(path, key)
+
+def read_cache_dirs(dirs):
+    cacheFiles = []
+    for cachedir in dirs:
+        for root, dirs, files in os.walk(cachedir):
+            for f in files:
+                try:
+                    cacheFiles.append(read_cache_file(os.path.join(root, f)))
+                except ValueError as e:
+                    print('Problem:', str(e), file=sys.stderr)
+    return cacheFiles
+
+if __name__ == '__main__':
+    command = None
+    if len(sys.argv) >= 3:
+        command = sys.argv[1]
+    if command == 'list':
+        cacheFiles = read_cache_dirs(sys.argv[2:])
+        for cf in cacheFiles:
+            print(cf.path, cf.key)
+    elif command == 'purge':
+        cacheFiles = read_cache_dirs(sys.argv[2:])
+        for f in cacheFiles:
+            os.remove(f.path)
+        print('Purged', len(cacheFiles), "files")
+    else:
+        print(sys.argv[0], "<list|purge>", "<cache_dir>", "[cache_dir...]")