[wikimedia] update

- rewrite using BaseExtractor
- support most Wiki* domains
- update docs/supportedsites
- add tests

test/results/wikipedia.py

@@ -0,0 +1,53 @@
+# -*- coding: utf-8 -*-
+
+# This program is free software; you can redistribute it and/or modify
+# it under the terms of the GNU General Public License version 2 as
+# published by the Free Software Foundation.
+
+from gallery_dl.extractor import wikimedia
+
+
+__tests__ = (
+{
+    "#url"     : "https://www.wikipedia.org/wiki/Title",
+    "#category": ("wikimedia", "wikipedia", "article"),
+    "#class"   : wikimedia.WikimediaArticleExtractor,
+},
+
+{
+    "#url"     : "https://en.wikipedia.org/wiki/Athena",
+    "#category": ("wikimedia", "wikipedia", "article"),
+    "#class"   : wikimedia.WikimediaArticleExtractor,
+    "#pattern" : r"https://upload.wikimedia.org/wikipedia/.+",
+    "#count"   : range(50, 100),
+
+    "bitdepth"      : int,
+    "canonicaltitle": str,
+    "comment"       : str,
+    "commonmetadata": dict,
+    "date"          : "type:datetime",
+    "descriptionshorturl": str,
+    "descriptionurl": str,
+    "extension"     : str,
+    "extmetadata"   : dict,
+    "filename"      : str,
+    "height"        : int,
+    "metadata"      : dict,
+    "mime"          : r"re:image/\w+",
+    "page"          : "Athena",
+    "sha1"          : r"re:^[0-9a-f]{40}$",
+    "size"          : int,
+    "timestamp"     : str,
+    "url"           : str,
+    "user"          : str,
+    "userid"        : int,
+    "width"         : int,
+},
+
+{
+    "#url"     : "https://en.wikipedia.org/wiki/Category:Physics",
+    "#category": ("wikimedia", "wikipedia", "category"),
+    "#class"   : wikimedia.WikimediaCategoryExtractor,
+},
+
+)