add pandora_client clean

pandora_client/__init__.py

@@ -816,10 +816,32 @@ class Client(object):
             })
         return files
 
-    def clean(self):
+    def clean(self, args):
-        print "remove temp videos and stills"
+        if os.path.exists(self.api.media_cache):
-        if os.path.exists(self.prefix()):
+            if args and args[0] == 'all':
-            shutil.rmtree(self.prefix())
+                print "remove all cached videos in", self.api.media_cache
+
+                #if os.path.exists(self.api.media_cache):
+                #    shutil.rmtree(self.api.media_cache)
+            else:
+                nothing = False
+                for root, folders, files in os.walk(self.api.media_cache):
+                    for f in files:
+                        f = os.path.join(root, f)
+                        if f.endswith('.webm'):
+                            oshash = os.path.dirname(f)[len(self.api.media_cache):].replace('/', '')
+                            remove = True
+                            for path in self.path(oshash):
+                                if os.path.exists(path):
+                                    remove = False
+                                    break
+                            if remove:
+                                nothing = False
+                                os.unlink(f)
+                if nothing and folders:
+                    print "No unused files found in cache, run \"%s clean all\" to remove the entire cache" % sys.argv[0]
+                else:
+                    utils.cleanup_tree(self.api.media_cache)
 
     def import_srt(self, args):
         '''

pandora_client/utils.py

@@ -75,3 +75,18 @@ def video_frame_positions(duration):
     #return [pos/4, pos/2, pos/2+pos/4, pos, pos+pos/2, pos+pos/2+pos/4]
     return map(int, [pos/2, pos, pos+pos/2])
 
+def cleanup_tree(root):
+    again = False
+    for prefix, folders, files in os.walk(root):
+        removed = []
+        for f in files:
+            if f in ('.DS_Store', 'Thumbs.db'):
+                os.unlink(os.path.join(prefix, f))
+                removed.append(f)
+        files = list(set(files) - set(removed))
+        if not folders and not files and len(prefix) > len(root):
+            os.rmdir(prefix)
+            again = True
+    if again:
+        cleanup_tree(root)
+