mirror of https://github.com/yt-dlp/yt-dlp.git
Yen Chi Hsuan
parent
672f1bd849
commit
bf6427d2fb
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@ -58,6 +58,8 @@ from youtube_dl.utils import (
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xpath_text,
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render_table,
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match_str,
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parse_dfxp_time_expr,
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dfxp2srt,
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)
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@ -581,6 +583,42 @@ ffmpeg version 2.4.4 Copyright (c) 2000-2014 the FFmpeg ...'''), '2.4.4')
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'like_count > 100 & dislike_count <? 50 & description',
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{'like_count': 190, 'dislike_count': 10}))
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def test_parse_dfxp_time_expr(self):
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self.assertEqual(parse_dfxp_time_expr(None), 0.0)
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self.assertEqual(parse_dfxp_time_expr(''), 0.0)
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self.assertEqual(parse_dfxp_time_expr('0.1'), 0.1)
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self.assertEqual(parse_dfxp_time_expr('0.1s'), 0.1)
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self.assertEqual(parse_dfxp_time_expr('00:00:01'), 1.0)
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self.assertEqual(parse_dfxp_time_expr('00:00:01.100'), 1.1)
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def test_dfxp2srt(self):
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dfxp_data = '''<?xml version="1.0" encoding="UTF-8"?>
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<tt xmlns="http://www.w3.org/ns/ttml" xml:lang="en" xmlns:tts="http://www.w3.org/ns/ttml#parameter">
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<body>
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<div xml:lang="en">
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<p begin="0" end="1">The following line contains Chinese characters and special symbols</p>
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<p begin="1" end="2">第二行<br/>♪♪</p>
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<p begin="2" end="3"><span>Third<br/>Line</span></p>
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</div>
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</body>
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</tt>'''
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srt_data = '''1
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00:00:00,000 --> 00:00:01,000
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The following line contains Chinese characters and special symbols
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2
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00:00:01,000 --> 00:00:02,000
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第二行
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♪♪
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3
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00:00:02,000 --> 00:00:03,000
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Third
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Line
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'''
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self.assertEqual(dfxp2srt(dfxp_data), srt_data)
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if __name__ == '__main__':
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unittest.main()
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@ -20,6 +20,7 @@ from ..utils import (
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prepend_extension,
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shell_quote,
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subtitles_filename,
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dfxp2srt,
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)
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@ -651,6 +652,30 @@ class FFmpegSubtitlesConvertorPP(FFmpegPostProcessor):
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'format' % new_ext)
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continue
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new_file = subtitles_filename(filename, lang, new_ext)
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if ext == 'dfxp' or ext == 'ttml':
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self._downloader.report_warning(
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'You have requested to convert dfxp (TTML) subtitles into another format, '
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'which results in style information loss')
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dfxp_file = subtitles_filename(filename, lang, ext)
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srt_file = subtitles_filename(filename, lang, 'srt')
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with io.open(dfxp_file, 'rt', encoding='utf-8') as f:
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srt_data = dfxp2srt(f.read())
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with io.open(srt_file, 'wt', encoding='utf-8') as f:
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f.write(srt_data)
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ext = 'srt'
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subs[lang] = {
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'ext': 'srt',
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'data': srt_data
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}
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if new_ext == 'srt':
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continue
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self.run_ffmpeg(
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subtitles_filename(filename, lang, ext),
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new_file, ['-f', new_format])
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@ -1800,6 +1800,59 @@ def match_filter_func(filter_str):
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return _match_func
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def parse_dfxp_time_expr(time_expr):
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if not time_expr:
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return 0.0
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mobj = re.match(r'^(?P<time_offset>\d+(?:\.\d+)?)s?$', time_expr)
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if mobj:
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return float(mobj.group('time_offset'))
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mobj = re.match(r'^(\d+):(\d\d):(\d\d(?:\.\d+)?)$', time_expr)
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if mobj:
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return 3600 * int(mobj.group(1)) + 60 * int(mobj.group(2)) + float(mobj.group(3))
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def format_srt_time(seconds):
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(mins, secs) = divmod(seconds, 60)
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(hours, mins) = divmod(mins, 60)
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millisecs = (secs - int(secs)) * 1000
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secs = int(secs)
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return '%02d:%02d:%02d,%03d' % (hours, mins, secs, millisecs)
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def dfxp2srt(dfxp_data):
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_x = functools.partial(xpath_with_ns, ns_map={'ttml': 'http://www.w3.org/ns/ttml'})
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def parse_node(node):
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str_or_empty = functools.partial(str_or_none, default='')
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out = str_or_empty(node.text)
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for child in node:
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if child.tag == _x('ttml:br'):
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out += '\n' + str_or_empty(child.tail)
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elif child.tag == _x('ttml:span'):
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out += str_or_empty(parse_node(child))
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else:
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out += str_or_empty(xml.etree.ElementTree.tostring(child))
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return out
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dfxp = xml.etree.ElementTree.fromstring(dfxp_data.encode('utf-8'))
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out = []
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paras = dfxp.findall(_x('.//ttml:p'))
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for para, index in zip(paras, itertools.count(1)):
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out.append('%d\n%s --> %s\n%s\n\n' % (
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index,
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format_srt_time(parse_dfxp_time_expr(para.attrib.get('begin'))),
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format_srt_time(parse_dfxp_time_expr(para.attrib.get('end'))),
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parse_node(para)))
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return ''.join(out)
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class PerRequestProxyHandler(compat_urllib_request.ProxyHandler):
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def __init__(self, proxies=None):
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# Set default handlers
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