use extended format strings for archive keys

CHANGELOG.md

@@ -14,8 +14,8 @@
 - [sexcom] add fallback for empty files ([#2485](https://github.com/mikf/gallery-dl/issues/2485))
 - [twitter] improve syndication video selection ([#2354](https://github.com/mikf/gallery-dl/issues/2354))
 - [twitter] fix various syndication issues ([#2499](https://github.com/mikf/gallery-dl/issues/2499), [#2354](https://github.com/mikf/gallery-dl/issues/2354))
-- [weibo] fix infinite retries for deleted accounts ([#2521](https://github.com/mikf/gallery-dl/issues/2521))
 - [vk] fix extraction ([#2512](https://github.com/mikf/gallery-dl/issues/2512))
+- [weibo] fix infinite retries for deleted accounts ([#2521](https://github.com/mikf/gallery-dl/issues/2521))
 - [postprocessor:ugoira] use compatible paths with mkvmerge ([#2487](https://github.com/mikf/gallery-dl/issues/2487))
 - [postprocessor:ugoira] do not auto-select the `image2` demuxer ([#2492](https://github.com/mikf/gallery-dl/issues/2492))
 

docs/configuration.rst

@@ -613,9 +613,7 @@ Type
 Example
     ``"{id}_{offset}"``
 Description
-    An alternative `format string`__ to build archive IDs with.
-
-.. __: https://docs.python.org/3/library/string.html#format-string-syntax
+    An alternative `format string`_ to build archive IDs with.
 
 
 extractor.*.archive-prefix

gallery_dl/util.py

@@ -22,7 +22,7 @@ import itertools
 import urllib.parse
 from http.cookiejar import Cookie
 from email.utils import mktime_tz, parsedate_tz
-from . import text, exception
+from . import text, formatter, exception
 
 
 def bencode(num, alphabet="0123456789"):
@@ -700,7 +700,7 @@ class DownloadArchive():
 
         self.close = con.close
         self.cursor = con.cursor()
-        self.keygen = format_string.format_map
+        self.keygen = formatter.parse(format_string).format_map
         self._cache_key = cache_key
 
         try:

gallery_dl/version.py

@@ -6,4 +6,4 @@
 # it under the terms of the GNU General Public License version 2 as
 # published by the Free Software Foundation.
 
-__version__ = "1.21.2"
+__version__ = "1.22.0-dev"