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https://github.com/ytdl-org/youtube-dl
synced 2024-08-27 20:25:09 +02:00
[YoutubeDL] format spec: allow grouping specifiers with parentheses
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@ -245,6 +245,30 @@ class TestFormatSelection(unittest.TestCase):
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self.assertEqual(downloaded['format_id'], '137+141')
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self.assertEqual(downloaded['ext'], 'mp4')
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info_dict = _make_result(list(formats_order), extractor='youtube')
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ydl = YDL({'format': '(bestvideo[ext=mp4],bestvideo[ext=webm])+bestaudio'})
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yie = YoutubeIE(ydl)
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yie._sort_formats(info_dict['formats'])
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ydl.process_ie_result(info_dict)
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downloaded_ids = [info['format_id'] for info in ydl.downloaded_info_dicts]
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self.assertEqual(downloaded_ids, ['137+141', '248+141'])
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info_dict = _make_result(list(formats_order), extractor='youtube')
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ydl = YDL({'format': '(bestvideo[ext=mp4],bestvideo[ext=webm])[height<=720]+bestaudio'})
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yie = YoutubeIE(ydl)
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yie._sort_formats(info_dict['formats'])
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ydl.process_ie_result(info_dict)
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downloaded_ids = [info['format_id'] for info in ydl.downloaded_info_dicts]
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self.assertEqual(downloaded_ids, ['136+141', '247+141'])
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info_dict = _make_result(list(formats_order), extractor='youtube')
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ydl = YDL({'format': '(bestvideo[ext=none]/bestvideo[ext=webm])+bestaudio'})
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yie = YoutubeIE(ydl)
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yie._sort_formats(info_dict['formats'])
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ydl.process_ie_result(info_dict)
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downloaded_ids = [info['format_id'] for info in ydl.downloaded_info_dicts]
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self.assertEqual(downloaded_ids, ['248+141'])
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for f1, f2 in zip(formats_order, formats_order[1:]):
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info_dict = _make_result([f1, f2], extractor='youtube')
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ydl = YDL({'format': 'best/bestvideo'})
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@ -920,6 +920,7 @@ class YoutubeDL(object):
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PICKFIRST = 'PICKFIRST'
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MERGE = 'MERGE'
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SINGLE = 'SINGLE'
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GROUP = 'GROUP'
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FormatSelector = collections.namedtuple('FormatSelector', ['type', 'selector', 'filters'])
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def _parse_filter(tokens):
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@ -942,6 +943,10 @@ class YoutubeDL(object):
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elif type == tokenize.OP:
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if string in endwith:
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break
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elif string == ')':
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# ')' will be handled by the parentheses group
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tokens.restore_last_token()
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break
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if string == ',':
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selectors.append(current_selector)
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current_selector = None
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@ -955,6 +960,10 @@ class YoutubeDL(object):
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current_selector = FormatSelector(SINGLE, 'best', [])
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format_filter = _parse_filter(tokens)
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current_selector.filters.append(format_filter)
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elif string == '(':
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if current_selector:
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raise syntax_error('Unexpected "("', start)
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current_selector = FormatSelector(GROUP, _parse_format_selection(tokens, [')']), [])
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elif string == '+':
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video_selector = current_selector
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audio_selector = _parse_format_selection(tokens, [','])
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@ -977,6 +986,8 @@ class YoutubeDL(object):
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for format in f(formats):
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yield format
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return selector_function
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elif selector.type == GROUP:
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selector_function = _build_selector_function(selector.selector)
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elif selector.type == PICKFIRST:
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fs = [_build_selector_function(s) for s in selector.selector]
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@ -1084,8 +1095,32 @@ class YoutubeDL(object):
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return final_selector
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stream = io.BytesIO(format_spec.encode('utf-8'))
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tokens = compat_tokenize_tokenize(stream.readline)
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parsed_selector = _parse_format_selection(tokens)
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try:
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tokens = list(compat_tokenize_tokenize(stream.readline))
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except tokenize.TokenError:
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raise syntax_error('Missing closing/opening brackets or parenthesis', (0, len(format_spec)))
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class TokenIterator(object):
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def __init__(self, tokens):
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self.tokens = tokens
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self.counter = 0
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def __iter__(self):
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return self
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def __next__(self):
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if self.counter >= len(self.tokens):
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raise StopIteration()
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value = self.tokens[self.counter]
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self.counter += 1
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return value
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next = __next__
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def restore_last_token(self):
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self.counter -= 1
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parsed_selector = _parse_format_selection(iter(TokenIterator(tokens)))
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return _build_selector_function(parsed_selector)
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def _calc_headers(self, info_dict):
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