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[utils] Improve subtitles_filename (closes #22753)

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Sergey M․ 2019-10-18 04:03:53 +07:00
parent 34e3885bc9
commit 824fa51165
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4 changed files with 13 additions and 7 deletions
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6
test/test_utils.py
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@ -74,6 +74,7 @@ from youtube_dl.utils import (
str_to_int, str_to_int,
strip_jsonp, strip_jsonp,
strip_or_none, strip_or_none,
subtitles_filename,
timeconvert, timeconvert,
unescapeHTML, unescapeHTML,
unified_strdate, unified_strdate,
@ -261,6 +262,11 @@ class TestUtil(unittest.TestCase):
self.assertEqual(replace_extension('.abc', 'temp'), '.abc.temp') self.assertEqual(replace_extension('.abc', 'temp'), '.abc.temp')
self.assertEqual(replace_extension('.abc.ext', 'temp'), '.abc.temp') self.assertEqual(replace_extension('.abc.ext', 'temp'), '.abc.temp')
def test_subtitles_filename(self):
self.assertEqual(subtitles_filename('abc.ext', 'en', 'vtt'), 'abc.en.vtt')
self.assertEqual(subtitles_filename('abc.ext', 'en', 'vtt', 'ext'), 'abc.en.vtt')
self.assertEqual(subtitles_filename('abc.unexpected_ext', 'en', 'vtt', 'ext'), 'abc.unexpected_ext.en.vtt')
def test_remove_start(self): def test_remove_start(self):
self.assertEqual(remove_start(None, 'A - '), None) self.assertEqual(remove_start(None, 'A - '), None)
self.assertEqual(remove_start('A - B', 'A - '), 'B') self.assertEqual(remove_start('A - B', 'A - '), 'B')

2
youtube_dl/YoutubeDL.py
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@ -1814,7 +1814,7 @@ class YoutubeDL(object):
ie = self.get_info_extractor(info_dict['extractor_key']) ie = self.get_info_extractor(info_dict['extractor_key'])
for sub_lang, sub_info in subtitles.items(): for sub_lang, sub_info in subtitles.items():
sub_format = sub_info['ext'] sub_format = sub_info['ext']
sub_filename = subtitles_filename(filename, sub_lang, sub_format) sub_filename = subtitles_filename(filename, sub_lang, sub_format, info_dict.get('ext'))
if self.params.get('nooverwrites', False) and os.path.exists(encodeFilename(sub_filename)): if self.params.get('nooverwrites', False) and os.path.exists(encodeFilename(sub_filename)):
self.to_screen('[info] Video subtitle %s.%s is already present' % (sub_lang, sub_format)) self.to_screen('[info] Video subtitle %s.%s is already present' % (sub_lang, sub_format))
else: else:

8
youtube_dl/postprocessor/ffmpeg.py
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@ -393,7 +393,7 @@ class FFmpegEmbedSubtitlePP(FFmpegPostProcessor):
sub_ext = sub_info['ext'] sub_ext = sub_info['ext']
if ext != 'webm' or ext == 'webm' and sub_ext == 'vtt': if ext != 'webm' or ext == 'webm' and sub_ext == 'vtt':
sub_langs.append(lang) sub_langs.append(lang)
sub_filenames.append(subtitles_filename(filename, lang, sub_ext)) sub_filenames.append(subtitles_filename(filename, lang, sub_ext, ext))
else: else:
if not webm_vtt_warn and ext == 'webm' and sub_ext != 'vtt': if not webm_vtt_warn and ext == 'webm' and sub_ext != 'vtt':
webm_vtt_warn = True webm_vtt_warn = True
@ -606,9 +606,9 @@ class FFmpegSubtitlesConvertorPP(FFmpegPostProcessor):
self._downloader.to_screen( self._downloader.to_screen(
'[ffmpeg] Subtitle file for %s is already in the requested format' % new_ext) '[ffmpeg] Subtitle file for %s is already in the requested format' % new_ext)
continue continue
old_file = subtitles_filename(filename, lang, ext) old_file = subtitles_filename(filename, lang, ext, info.get('ext'))
sub_filenames.append(old_file) sub_filenames.append(old_file)
new_file = subtitles_filename(filename, lang, new_ext) new_file = subtitles_filename(filename, lang, new_ext, info.get('ext'))
if ext in ('dfxp', 'ttml', 'tt'): if ext in ('dfxp', 'ttml', 'tt'):
self._downloader.report_warning( self._downloader.report_warning(
@ -616,7 +616,7 @@ class FFmpegSubtitlesConvertorPP(FFmpegPostProcessor):
'which results in style information loss') 'which results in style information loss')
dfxp_file = old_file dfxp_file = old_file
srt_file = subtitles_filename(filename, lang, 'srt') srt_file = subtitles_filename(filename, lang, 'srt', info.get('ext'))
with open(dfxp_file, 'rb') as f: with open(dfxp_file, 'rb') as f:
srt_data = dfxp2srt(f.read()) srt_data = dfxp2srt(f.read())

4
youtube_dl/utils.py
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@ -2906,8 +2906,8 @@ def determine_ext(url, default_ext='unknown_video'):
return default_ext return default_ext
def subtitles_filename(filename, sub_lang, sub_format): def subtitles_filename(filename, sub_lang, sub_format, expected_real_ext=None):
return filename.rsplit('.', 1)[0] + '.' + sub_lang + '.' + sub_format return replace_extension(filename, sub_lang + '.' + sub_format, expected_real_ext)
def date_from_str(date_str): def date_from_str(date_str):