server/mime: fix GIF animation heuristics

Closes #100
2016-09-29 12:58:53 +02:00 · 2016-09-29 12:58:53 +02:00 · 049a0dc351
commit 049a0dc351
parent f44f2335da
1 changed files with 2 additions and 1 deletions
--- a/server/szurubooru/func/mime.py
+++ b/server/szurubooru/func/mime.py
@ -52,5 +52,6 @@ def is_image(mime_type):


 def is_animated_gif(content):
+    pattern = b'\x21\xF9\x04[\x00-\xFF]{4}\x00[\x2C\x21]'
    return get_mime_type(content) == 'image/gif' \
-        and len(re.findall(b'\x21\xF9\x04.{4}\x00[\x2C\x21]', content)) > 1
+        and len(re.findall(pattern, content)) > 1