Clarify that url and ext are optional when formats is given (#980)

11 years ago · 2f5865cc6d
1 changed files with 2 additions and 0 deletions
--- a/youtube_dl/extractor/common.py
+++ b/youtube_dl/extractor/common.py
@ -35,6 +35,8 @@ class InfoExtractor(object):
    title:          Video title, unescaped.
    ext:            Video filename extension.

+    Instead of url and ext, formats can also specified.
+
    The following fields are optional:

    format:         The video format, defaults to ext (used for --get-format)