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https://github.com/ytdl-org/youtube-dl
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[arte] Clean up format sorting mess
We now use our standard sorting facilities. As a side effect, it's finally possible to download German videos from French URLs and vice versa.
This commit is contained in:
Philipp Hagemeister
parent
3b9f631c41
commit
aff2f4f4f5
@ -8,10 +8,10 @@ from ..utils import (
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ExtractorError,
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find_xpath_attr,
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unified_strdate,
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determine_ext,
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get_element_by_id,
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get_element_by_attribute,
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int_or_none,
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qualities,
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)
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# There are different sources of video in arte.tv, the extraction process
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@ -102,79 +102,54 @@ class ArteTVPlus7IE(InfoExtractor):
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'upload_date': unified_strdate(upload_date_str),
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'thumbnail': player_info.get('programImage') or player_info.get('VTU', {}).get('IUR'),
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}
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qfunc = qualities(['HQ', 'MQ', 'EQ', 'SQ'])
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all_formats = []
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formats = []
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for format_id, format_dict in player_info['VSR'].items():
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fmt = dict(format_dict)
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fmt['format_id'] = format_id
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all_formats.append(fmt)
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# Some formats use the m3u8 protocol
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all_formats = list(filter(lambda f: f.get('videoFormat') != 'M3U8', all_formats))
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def _match_lang(f):
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if f.get('versionCode') is None:
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return True
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# Return true if that format is in the language of the url
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if lang == 'fr':
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l = 'F'
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elif lang == 'de':
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l = 'A'
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else:
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l = lang
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regexes = [r'VO?%s' % l, r'VO?.-ST%s' % l]
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return any(re.match(r, f['versionCode']) for r in regexes)
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# Some formats may not be in the same language as the url
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# TODO: Might want not to drop videos that does not match requested language
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# but to process those formats with lower precedence
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formats = filter(_match_lang, all_formats)
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formats = list(formats) # in python3 filter returns an iterator
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if not formats:
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# Some videos are only available in the 'Originalversion'
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# they aren't tagged as being in French or German
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# Sometimes there are neither videos of requested lang code
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# nor original version videos available
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# For such cases we just take all_formats as is
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formats = all_formats
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if not formats:
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raise ExtractorError('The formats list is empty')
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if re.match(r'[A-Z]Q', formats[0]['quality']) is not None:
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def sort_key(f):
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return ['HQ', 'MQ', 'EQ', 'SQ'].index(f['quality'])
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else:
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def sort_key(f):
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f = dict(format_dict)
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versionCode = f.get('versionCode')
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if versionCode is None:
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versionCode = ''
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return (
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# Sort first by quality
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int(f.get('height', -1)),
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int(f.get('bitrate', -1)),
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# The original version with subtitles has lower relevance
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re.match(r'VO-ST(F|A)', versionCode) is None,
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# The version with sourds/mal subtitles has also lower relevance
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re.match(r'VO?(F|A)-STM\1', versionCode) is None,
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# Prefer http downloads over m3u8
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0 if f['url'].endswith('m3u8') else 1,
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)
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formats = sorted(formats, key=sort_key)
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def _format(format_info):
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info = {
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'format_id': format_info['format_id'],
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'format_note': '%s, %s' % (format_info.get('versionCode'), format_info.get('versionLibelle')),
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'width': int_or_none(format_info.get('width')),
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'height': int_or_none(format_info.get('height')),
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'tbr': int_or_none(format_info.get('bitrate')),
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}
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if format_info['mediaType'] == 'rtmp':
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info['url'] = format_info['streamer']
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info['play_path'] = 'mp4:' + format_info['url']
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info['ext'] = 'flv'
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else:
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info['url'] = format_info['url']
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info['ext'] = determine_ext(info['url'])
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return info
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info_dict['formats'] = [_format(f) for f in formats]
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langcode = {
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'fr': 'F',
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'de': 'A',
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}.get(lang, lang)
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lang_rexs = [r'VO?%s' % langcode, r'VO?.-ST%s' % langcode]
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lang_pref = (
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None if versionCode is None else (
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10 if any(re.match(r, versionCode) for r in lang_rexs)
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else -10))
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source_pref = 0
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if versionCode is not None:
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# The original version with subtitles has lower relevance
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if re.match(r'VO-ST(F|A)', versionCode):
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source_pref -= 10
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# The version with sourds/mal subtitles has also lower relevance
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elif re.match(r'VO?(F|A)-STM\1', versionCode):
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source_pref -= 9
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format = {
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'format_id': format_id,
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'preference': -10 if f.get('videoFormat') == 'M3U8' else None,
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'language_preference': lang_pref,
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'format_note': '%s, %s' % (f.get('versionCode'), f.get('versionLibelle')),
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'width': int_or_none(f.get('width')),
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'height': int_or_none(f.get('height')),
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'tbr': int_or_none(f.get('bitrate')),
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'quality': qfunc(f['quality']),
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'source_preference': source_pref,
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}
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if f.get('mediaType') == 'rtmp':
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format['url'] = f['streamer']
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format['play_path'] = 'mp4:' + f['url']
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format['ext'] = 'flv'
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else:
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format['url'] = f['url']
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formats.append(format)
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self._sort_formats(formats)
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info_dict['formats'] = formats
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return info_dict
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@ -87,6 +87,11 @@ class InfoExtractor(object):
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by this field, regardless of all other values.
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-1 for default (order by other properties),
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-2 or smaller for less than default.
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* language_preference Is this in the correct requested
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language?
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10 if it's what the URL is about,
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-1 for default (don't know),
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-10 otherwise, other values reserved for now.
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* quality Order number of the video quality of this
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format, irrespective of the file format.
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-1 for default (order by other properties),
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@ -615,6 +620,7 @@ class InfoExtractor(object):
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return (
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preference,
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f.get('language_preference') if f.get('language_preference') is not None else -1,
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f.get('quality') if f.get('quality') is not None else -1,
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f.get('height') if f.get('height') is not None else -1,
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f.get('width') if f.get('width') is not None else -1,
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