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[YoutubeDL] Improve _default_format_spec (closes #14461)
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@ -466,12 +466,18 @@ class TestFormatSelection(unittest.TestCase):
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ydl = YDL({'simulate': True})
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self.assertEqual(ydl._default_format_spec({}), 'bestvideo+bestaudio/best')
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ydl = YDL({'is_live': True})
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self.assertEqual(ydl._default_format_spec({}), 'best/bestvideo+bestaudio')
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ydl = YDL({'simulate': True, 'is_live': True})
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self.assertEqual(ydl._default_format_spec({}), 'bestvideo+bestaudio/best')
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ydl = YDL({'outtmpl': '-'})
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self.assertEqual(ydl._default_format_spec({}), 'best')
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self.assertEqual(ydl._default_format_spec({}), 'best/bestvideo+bestaudio')
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ydl = YDL({})
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self.assertEqual(ydl._default_format_spec({}, download=False), 'bestvideo+bestaudio/best')
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self.assertEqual(ydl._default_format_spec({'is_live': True}), 'best')
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self.assertEqual(ydl._default_format_spec({'is_live': True}), 'best/bestvideo+bestaudio')
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class TestYoutubeDL(unittest.TestCase):
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@ -1078,22 +1078,27 @@ class YoutubeDL(object):
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return _filter
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def _default_format_spec(self, info_dict, download=True):
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req_format_list = []
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def can_have_partial_formats():
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if self.params.get('simulate', False):
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return True
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if not download:
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return True
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if self.params.get('outtmpl', DEFAULT_OUTTMPL) == '-':
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return False
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if info_dict.get('is_live'):
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return False
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def can_merge():
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merger = FFmpegMergerPP(self)
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return merger.available and merger.can_merge()
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if can_have_partial_formats():
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req_format_list.append('bestvideo+bestaudio')
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req_format_list.append('best')
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def prefer_best():
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if self.params.get('simulate', False):
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return False
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if not download:
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return False
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if self.params.get('outtmpl', DEFAULT_OUTTMPL) == '-':
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return True
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if info_dict.get('is_live'):
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return True
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if not can_merge():
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return True
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return False
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req_format_list = ['bestvideo+bestaudio', 'best']
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if prefer_best():
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req_format_list.reverse()
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return '/'.join(req_format_list)
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def build_format_selector(self, format_spec):
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