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-rwxr-xr-xyoutube_dl/YoutubeDL.py20
1 files changed, 16 insertions, 4 deletions
diff --git a/youtube_dl/YoutubeDL.py b/youtube_dl/YoutubeDL.py
index bdaf06e62..fc5e67828 100755
--- a/youtube_dl/YoutubeDL.py
+++ b/youtube_dl/YoutubeDL.py
@@ -594,10 +594,7 @@ class YoutubeDL(object):
autonumber_size = self.params.get('autonumber_size')
if autonumber_size is None:
autonumber_size = 5
- autonumber_templ = '%0' + str(autonumber_size) + 'd'
- template_dict['autonumber'] = autonumber_templ % (self.params.get('autonumber_start', 1) - 1 + self._num_downloads)
- if template_dict.get('playlist_index') is not None:
- template_dict['playlist_index'] = '%0*d' % (len(str(template_dict['n_entries'])), template_dict['playlist_index'])
+ template_dict['autonumber'] = self.params.get('autonumber_start', 1) - 1 + self._num_downloads
if template_dict.get('resolution') is None:
if template_dict.get('width') and template_dict.get('height'):
template_dict['resolution'] = '%dx%d' % (template_dict['width'], template_dict['height'])
@@ -617,6 +614,20 @@ class YoutubeDL(object):
outtmpl = self.params.get('outtmpl', DEFAULT_OUTTMPL)
+ # For fields playlist_index and autonumber convert all occurrences
+ # of %(field)s to %(field)0Nd for backward compatibility
+ field_size_compat_map = {
+ 'playlist_index': len(str(template_dict['n_entries'])),
+ 'autonumber': autonumber_size,
+ }
+ FIELD_SIZE_COMPAT_RE = r'(?<!%)%\((?P<field>autonumber|playlist_index)\)s'
+ mobj = re.search(FIELD_SIZE_COMPAT_RE, outtmpl)
+ if mobj:
+ outtmpl = re.sub(
+ FIELD_SIZE_COMPAT_RE,
+ r'%%(\1)0%dd' % field_size_compat_map[mobj.group('field')],
+ outtmpl)
+
NUMERIC_FIELDS = set((
'width', 'height', 'tbr', 'abr', 'asr', 'vbr', 'fps', 'filesize', 'filesize_approx',
'upload_year', 'upload_month', 'upload_day',
@@ -624,6 +635,7 @@ class YoutubeDL(object):
'average_rating', 'comment_count', 'age_limit',
'start_time', 'end_time',
'chapter_number', 'season_number', 'episode_number',
+ 'playlist_index',
))
# Missing numeric fields used together with integer presentation types