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-rwxr-xr-xyoutube_dl/YoutubeDL.py6
1 files changed, 6 insertions, 0 deletions
diff --git a/youtube_dl/YoutubeDL.py b/youtube_dl/YoutubeDL.py
index 6b73b8e06..0748fbba0 100755
--- a/youtube_dl/YoutubeDL.py
+++ b/youtube_dl/YoutubeDL.py
@@ -1244,6 +1244,12 @@ class YoutubeDL(object):
except (ValueError, OverflowError, OSError):
pass
+ # Auto generate title fields corresponding to the *_number fields when missing
+ # in order to always have clean titles. This is very common for TV series.
+ for field in ('chapter', 'season', 'episode'):
+ if info_dict.get('%s_number' % field) is not None and not info_dict.get(field):
+ info_dict[field] = '%s %d' % (field.capitalize(), info_dict['%s_number' % field])
+
subtitles = info_dict.get('subtitles')
if subtitles:
for _, subtitle in subtitles.items():