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[utils] Extract known extensions for reuse
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@ -70,6 +70,21 @@ ENGLISH_MONTH_NAMES = [
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'January', 'February', 'March', 'April', 'May', 'June',
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'July', 'August', 'September', 'October', 'November', 'December']
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KNOWN_EXTENSIONS = (
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'mp4', 'm4a', 'm4p', 'm4b', 'm4r', 'm4v', 'aac',
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'flv', 'f4v', 'f4a', 'f4b',
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'webm', 'ogg', 'ogv', 'oga', 'ogx', 'spx', 'opus',
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'mkv', 'mka', 'mk3d',
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'avi', 'divx',
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'mov',
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'asf', 'wmv', 'wma',
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'3gp', '3g2',
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'mp3',
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'flac',
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'ape',
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'wav',
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'f4f', 'f4m', 'm3u8', 'smil')
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def preferredencoding():
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"""Get preferred encoding.
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@ -942,20 +957,8 @@ def determine_ext(url, default_ext='unknown_video'):
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guess = url.partition('?')[0].rpartition('.')[2]
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if re.match(r'^[A-Za-z0-9]+$', guess):
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return guess
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elif guess.rstrip('/') in (
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'mp4', 'm4a', 'm4p', 'm4b', 'm4r', 'm4v', 'aac',
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'flv', 'f4v', 'f4a', 'f4b',
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'webm', 'ogg', 'ogv', 'oga', 'ogx', 'spx', 'opus',
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'mkv', 'mka', 'mk3d',
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'avi', 'divx',
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'mov',
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'asf', 'wmv', 'wma',
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'3gp', '3g2',
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'mp3',
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'flac',
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'ape',
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'wav',
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'f4f', 'f4m', 'm3u8', 'smil'):
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# Try extract ext from URLs like http://example.com/foo/bar.mp4/?download
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elif guess.rstrip('/') in KNOWN_EXTENSIONS:
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return guess.rstrip('/')
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else:
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return default_ext
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