Initial commit.

mopidy_subidy/uri.py

@@ -0,0 +1,60 @@
+import re
+
+SONG = 'song'
+ARTIST = 'artist'
+PLAYLIST = 'playlist'
+ALBUM = 'album'
+PREFIX = 'subidy'
+ROOT = 'root'
+
+ROOT_URI = '%s:%s' % (PREFIX, ROOT)
+
+regex = re.compile(r'(\w+?):(\w+?)(?::|$)(.+?)?$')
+
+def is_type_result_valid(result):
+    return result is not None and result.group(1) == PREFIX
+
+def is_id_result_valid(result, type):
+    return is_type_result_valid(result) and result.group(1) == PREFIX and result.group(2) == type
+
+def get_song_id(uri):
+    result = regex.match(uri)
+    if not is_id_result_valid(result, SONG):
+        return None
+    return result.group(3)
+
+def get_artist_id(uri):
+    result = regex.match(uri)
+    if not is_id_result_valid(result, ARTIST):
+        return None
+    return result.group(3)
+
+def get_playlist_id(uri):
+    result = regex.match(uri)
+    if not is_id_result_valid(result, PLAYLIST):
+        return None
+    return result.group(3)
+
+def get_album_id(uri):
+    result = regex.match(uri)
+    if not is_id_result_valid(result, ALBUM):
+        return None
+    return result.group(3)
+
+def get_type(uri):
+    result = regex.match(uri)
+    if not is_type_result_valid(result):
+        return None
+    return result.group(2)
+
+def get_type_uri(type, id):
+    return u'%s:%s:%s' % (PREFIX, type, id)
+
+def get_artist_uri(id):
+    return get_type_uri(ARTIST, id)
+
+def get_album_uri(id):
+    return get_type_uri(ALBUM, id)
+
+def get_song_uri(id):
+    return get_type_uri(SONG, id)