mirror of
https://github.com/yt-dlp/yt-dlp.git
synced 2024-11-10 11:20:41 +00:00
Merge pull request #699 by @iemejia
Removed innecesary function to convert subtitles, improved use of the youtube api
This commit is contained in:
Filippo Valsorda
commit
5cb3c0b319
@ -29,6 +29,7 @@
|
||||
"simulate": false,
|
||||
"skip_download": false,
|
||||
"subtitleslang": null,
|
||||
"subtitlesformat": "srt",
|
||||
"test": true,
|
||||
"updatetime": true,
|
||||
"usenetrc": false,
|
||||
@ -36,5 +37,8 @@
|
||||
"verbose": true,
|
||||
"writedescription": false,
|
||||
"writeinfojson": true,
|
||||
"writesubtitles": false
|
||||
}
|
||||
"writesubtitles": false,
|
||||
"onlysubtitles": false,
|
||||
"allsubtitles": false,
|
||||
"listssubtitles": false
|
||||
}
|
||||
|
||||
@ -38,20 +38,63 @@ class FakeDownloader(object):
|
||||
md5 = lambda s: hashlib.md5(s.encode('utf-8')).hexdigest()
|
||||
|
||||
class TestYoutubeSubtitles(unittest.TestCase):
|
||||
def setUp(self):
|
||||
DL = FakeDownloader()
|
||||
DL.params['allsubtitles'] = False
|
||||
DL.params['writesubtitles'] = False
|
||||
DL.params['subtitlesformat'] = 'srt'
|
||||
DL.params['listsubtitles'] = False
|
||||
def test_youtube_no_subtitles(self):
|
||||
DL = FakeDownloader()
|
||||
DL.params['writesubtitles'] = False
|
||||
IE = YoutubeIE(DL)
|
||||
info_dict = IE.extract('QRS8MkLhQmM')
|
||||
subtitles = info_dict[0]['subtitles']
|
||||
self.assertEqual(subtitles, None)
|
||||
def test_youtube_subtitles(self):
|
||||
DL = FakeDownloader()
|
||||
DL.params['writesubtitles'] = True
|
||||
IE = YoutubeIE(DL)
|
||||
info_dict = IE.extract('QRS8MkLhQmM')
|
||||
self.assertEqual(md5(info_dict[0]['subtitles']), 'c3228550d59116f3c29fba370b55d033')
|
||||
|
||||
sub = info_dict[0]['subtitles'][0]
|
||||
self.assertEqual(md5(sub[2]), '4cd9278a35ba2305f47354ee13472260')
|
||||
def test_youtube_subtitles_it(self):
|
||||
DL = FakeDownloader()
|
||||
DL.params['writesubtitles'] = True
|
||||
DL.params['subtitleslang'] = 'it'
|
||||
IE = YoutubeIE(DL)
|
||||
info_dict = IE.extract('QRS8MkLhQmM')
|
||||
self.assertEqual(md5(info_dict[0]['subtitles']), '132a88a0daf8e1520f393eb58f1f646a')
|
||||
sub = info_dict[0]['subtitles'][0]
|
||||
self.assertEqual(md5(sub[2]), '164a51f16f260476a05b50fe4c2f161d')
|
||||
def test_youtube_onlysubtitles(self):
|
||||
DL = FakeDownloader()
|
||||
DL.params['writesubtitles'] = True
|
||||
DL.params['onlysubtitles'] = True
|
||||
IE = YoutubeIE(DL)
|
||||
info_dict = IE.extract('QRS8MkLhQmM')
|
||||
sub = info_dict[0]['subtitles'][0]
|
||||
self.assertEqual(md5(sub[2]), '4cd9278a35ba2305f47354ee13472260')
|
||||
def test_youtube_allsubtitles(self):
|
||||
DL = FakeDownloader()
|
||||
DL.params['allsubtitles'] = True
|
||||
IE = YoutubeIE(DL)
|
||||
info_dict = IE.extract('QRS8MkLhQmM')
|
||||
subtitles = info_dict[0]['subtitles']
|
||||
self.assertEqual(len(subtitles), 12)
|
||||
def test_youtube_subtitles_format(self):
|
||||
DL = FakeDownloader()
|
||||
DL.params['writesubtitles'] = True
|
||||
DL.params['subtitlesformat'] = 'sbv'
|
||||
IE = YoutubeIE(DL)
|
||||
info_dict = IE.extract('QRS8MkLhQmM')
|
||||
sub = info_dict[0]['subtitles'][0]
|
||||
self.assertEqual(md5(sub[2]), '13aeaa0c245a8bed9a451cb643e3ad8b')
|
||||
def test_youtube_list_subtitles(self):
|
||||
DL = FakeDownloader()
|
||||
DL.params['listsubtitles'] = True
|
||||
IE = YoutubeIE(DL)
|
||||
info_dict = IE.extract('QRS8MkLhQmM')
|
||||
self.assertEqual(info_dict, None)
|
||||
|
||||
if __name__ == '__main__':
|
||||
unittest.main()
|
||||
|
||||
@ -78,7 +78,11 @@ class FileDownloader(object):
|
||||
updatetime: Use the Last-modified header to set output file timestamps.
|
||||
writedescription: Write the video description to a .description file
|
||||
writeinfojson: Write the video description to a .info.json file
|
||||
writesubtitles: Write the video subtitles to a .srt file
|
||||
writesubtitles: Write the video subtitles to a file
|
||||
onlysubtitles: Downloads only the subtitles of the video
|
||||
allsubtitles: Downloads all the subtitles of the video
|
||||
listsubtitles: Lists all available subtitles for the video
|
||||
subtitlesformat: Subtitle format [sbv/srt] (default=srt)
|
||||
subtitleslang: Language of the subtitles to download
|
||||
test: Download only first bytes to test the downloader.
|
||||
keepvideo: Keep the video file after post-processing
|
||||
@ -301,9 +305,9 @@ class FileDownloader(object):
|
||||
""" Report that the description file is being written """
|
||||
self.to_screen(u'[info] Writing video description to: ' + descfn)
|
||||
|
||||
def report_writesubtitles(self, srtfn):
|
||||
def report_writesubtitles(self, sub_filename):
|
||||
""" Report that the subtitles file is being written """
|
||||
self.to_screen(u'[info] Writing video subtitles to: ' + srtfn)
|
||||
self.to_screen(u'[info] Writing video subtitles to: ' + sub_filename)
|
||||
|
||||
def report_writeinfojson(self, infofn):
|
||||
""" Report that the metadata file has been written """
|
||||
@ -456,14 +460,35 @@ class FileDownloader(object):
|
||||
if self.params.get('writesubtitles', False) and 'subtitles' in info_dict and info_dict['subtitles']:
|
||||
# subtitles download errors are already managed as troubles in relevant IE
|
||||
# that way it will silently go on when used with unsupporting IE
|
||||
subtitle = info_dict['subtitles'][0]
|
||||
(sub_error, sub_lang, sub) = subtitle
|
||||
sub_format = self.params.get('subtitlesformat')
|
||||
try:
|
||||
srtfn = filename.rsplit('.', 1)[0] + u'.srt'
|
||||
self.report_writesubtitles(srtfn)
|
||||
with io.open(encodeFilename(srtfn), 'w', encoding='utf-8') as srtfile:
|
||||
srtfile.write(info_dict['subtitles'])
|
||||
sub_filename = filename.rsplit('.', 1)[0] + u'.' + sub_lang + u'.' + sub_format
|
||||
self.report_writesubtitles(sub_filename)
|
||||
with io.open(encodeFilename(sub_filename), 'w', encoding='utf-8') as subfile:
|
||||
subfile.write(sub)
|
||||
except (OSError, IOError):
|
||||
self.trouble(u'ERROR: Cannot write subtitles file ' + descfn)
|
||||
return
|
||||
if self.params.get('onlysubtitles', False):
|
||||
return
|
||||
|
||||
if self.params.get('allsubtitles', False) and 'subtitles' in info_dict and info_dict['subtitles']:
|
||||
subtitles = info_dict['subtitles']
|
||||
sub_format = self.params.get('subtitlesformat')
|
||||
for subtitle in subtitles:
|
||||
(sub_error, sub_lang, sub) = subtitle
|
||||
try:
|
||||
sub_filename = filename.rsplit('.', 1)[0] + u'.' + sub_lang + u'.' + sub_format
|
||||
self.report_writesubtitles(sub_filename)
|
||||
with io.open(encodeFilename(sub_filename), 'w', encoding='utf-8') as subfile:
|
||||
subfile.write(sub)
|
||||
except (OSError, IOError):
|
||||
self.trouble(u'ERROR: Cannot write subtitles file ' + descfn)
|
||||
return
|
||||
if self.params.get('onlysubtitles', False):
|
||||
return
|
||||
|
||||
if self.params.get('writeinfojson', False):
|
||||
infofn = filename + u'.info.json'
|
||||
|
||||
@ -48,7 +48,7 @@ class InfoExtractor(object):
|
||||
uploader_id: Nickname or id of the video uploader.
|
||||
location: Physical location of the video.
|
||||
player_url: SWF Player URL (used for rtmpdump).
|
||||
subtitles: The .srt file contents.
|
||||
subtitles: The subtitle file contents.
|
||||
urlhandle: [internal] The urlHandle to be used to download the file,
|
||||
like returned by urllib.request.urlopen
|
||||
|
||||
@ -224,7 +224,16 @@ class YoutubeIE(InfoExtractor):
|
||||
|
||||
def report_video_subtitles_download(self, video_id):
|
||||
"""Report attempt to download video info webpage."""
|
||||
self._downloader.to_screen(u'[youtube] %s: Downloading video subtitles' % video_id)
|
||||
self._downloader.to_screen(u'[youtube] %s: Checking available subtitles' % video_id)
|
||||
|
||||
def report_video_subtitles_request(self, video_id, sub_lang, format):
|
||||
"""Report attempt to download video info webpage."""
|
||||
self._downloader.to_screen(u'[youtube] %s: Downloading video subtitles for %s.%s' % (video_id, sub_lang, format))
|
||||
|
||||
def report_video_subtitles_available(self, video_id, sub_lang_list):
|
||||
"""Report available subtitles."""
|
||||
sub_lang = ",".join(list(sub_lang_list.keys()))
|
||||
self._downloader.to_screen(u'[youtube] %s: Available subtitles for video: %s' % (video_id, sub_lang))
|
||||
|
||||
def report_information_extraction(self, video_id):
|
||||
"""Report attempt to extract video information."""
|
||||
@ -238,55 +247,63 @@ class YoutubeIE(InfoExtractor):
|
||||
"""Indicate the download will use the RTMP protocol."""
|
||||
self._downloader.to_screen(u'[youtube] RTMP download detected')
|
||||
|
||||
def _closed_captions_xml_to_srt(self, xml_string):
|
||||
srt = ''
|
||||
texts = re.findall(r'<text start="([\d\.]+)"( dur="([\d\.]+)")?>([^<]+)</text>', xml_string, re.MULTILINE)
|
||||
# TODO parse xml instead of regex
|
||||
for n, (start, dur_tag, dur, caption) in enumerate(texts):
|
||||
if not dur: dur = '4'
|
||||
start = float(start)
|
||||
end = start + float(dur)
|
||||
start = "%02i:%02i:%02i,%03i" %(start/(60*60), start/60%60, start%60, start%1*1000)
|
||||
end = "%02i:%02i:%02i,%03i" %(end/(60*60), end/60%60, end%60, end%1*1000)
|
||||
caption = unescapeHTML(caption)
|
||||
caption = unescapeHTML(caption) # double cycle, intentional
|
||||
srt += str(n+1) + '\n'
|
||||
srt += start + ' --> ' + end + '\n'
|
||||
srt += caption + '\n\n'
|
||||
return srt
|
||||
|
||||
def _extract_subtitles(self, video_id):
|
||||
def _get_available_subtitles(self, video_id):
|
||||
self.report_video_subtitles_download(video_id)
|
||||
request = compat_urllib_request.Request('http://video.google.com/timedtext?hl=en&type=list&v=%s' % video_id)
|
||||
try:
|
||||
srt_list = compat_urllib_request.urlopen(request).read().decode('utf-8')
|
||||
sub_list = compat_urllib_request.urlopen(request).read().decode('utf-8')
|
||||
except (compat_urllib_error.URLError, compat_http_client.HTTPException, socket.error) as err:
|
||||
return (u'WARNING: unable to download video subtitles: %s' % compat_str(err), None)
|
||||
srt_lang_list = re.findall(r'name="([^"]*)"[^>]+lang_code="([\w\-]+)"', srt_list)
|
||||
srt_lang_list = dict((l[1], l[0]) for l in srt_lang_list)
|
||||
if not srt_lang_list:
|
||||
return (u'WARNING: video has no closed captions', None)
|
||||
if self._downloader.params.get('subtitleslang', False):
|
||||
srt_lang = self._downloader.params.get('subtitleslang')
|
||||
elif 'en' in srt_lang_list:
|
||||
srt_lang = 'en'
|
||||
else:
|
||||
srt_lang = list(srt_lang_list.keys())[0]
|
||||
if not srt_lang in srt_lang_list:
|
||||
return (u'WARNING: no closed captions found in the specified language', None)
|
||||
sub_lang_list = re.findall(r'name="([^"]*)"[^>]+lang_code="([\w\-]+)"', sub_list)
|
||||
sub_lang_list = dict((l[1], l[0]) for l in sub_lang_list)
|
||||
if not sub_lang_list:
|
||||
return (u'WARNING: video doesn\'t have subtitles', None)
|
||||
return sub_lang_list
|
||||
|
||||
def _list_available_subtitles(self, video_id):
|
||||
sub_lang_list = self._get_available_subtitles(video_id)
|
||||
self.report_video_subtitles_available(video_id, sub_lang_list)
|
||||
|
||||
def _request_subtitle(self, sub_lang, sub_name, video_id, format):
|
||||
self.report_video_subtitles_request(video_id, sub_lang, format)
|
||||
params = compat_urllib_parse.urlencode({
|
||||
'lang': srt_lang,
|
||||
'name': srt_lang_list[srt_lang].encode('utf-8'),
|
||||
'lang': sub_lang,
|
||||
'name': sub_name,
|
||||
'v': video_id,
|
||||
'fmt': format,
|
||||
})
|
||||
url = 'http://www.youtube.com/api/timedtext?' + params
|
||||
try:
|
||||
srt_xml = compat_urllib_request.urlopen(url).read().decode('utf-8')
|
||||
sub = compat_urllib_request.urlopen(url).read().decode('utf-8')
|
||||
except (compat_urllib_error.URLError, compat_http_client.HTTPException, socket.error) as err:
|
||||
return (u'WARNING: unable to download video subtitles: %s' % compat_str(err), None)
|
||||
if not srt_xml:
|
||||
if not sub:
|
||||
return (u'WARNING: Did not fetch video subtitles', None)
|
||||
return (None, self._closed_captions_xml_to_srt(srt_xml))
|
||||
return (None, sub_lang, sub)
|
||||
|
||||
def _extract_subtitle(self, video_id):
|
||||
sub_lang_list = self._get_available_subtitles(video_id)
|
||||
sub_format = self._downloader.params.get('subtitlesformat')
|
||||
if self._downloader.params.get('subtitleslang', False):
|
||||
sub_lang = self._downloader.params.get('subtitleslang')
|
||||
elif 'en' in sub_lang_list:
|
||||
sub_lang = 'en'
|
||||
else:
|
||||
sub_lang = list(sub_lang_list.keys())[0]
|
||||
if not sub_lang in sub_lang_list:
|
||||
return (u'WARNING: no closed captions found in the specified language "%s"' % sub_lang, None)
|
||||
|
||||
subtitle = self._request_subtitle(sub_lang, sub_lang_list[sub_lang].encode('utf-8'), video_id, sub_format)
|
||||
return [subtitle]
|
||||
|
||||
def _extract_all_subtitles(self, video_id):
|
||||
sub_lang_list = self._get_available_subtitles(video_id)
|
||||
sub_format = self._downloader.params.get('subtitlesformat')
|
||||
subtitles = []
|
||||
for sub_lang in sub_lang_list:
|
||||
subtitle = self._request_subtitle(sub_lang, sub_lang_list[sub_lang].encode('utf-8'), video_id, sub_format)
|
||||
subtitles.append(subtitle)
|
||||
return subtitles
|
||||
|
||||
def _print_formats(self, formats):
|
||||
print('Available formats:')
|
||||
@ -507,12 +524,26 @@ class YoutubeIE(InfoExtractor):
|
||||
else:
|
||||
video_description = ''
|
||||
|
||||
# closed captions
|
||||
# subtitles
|
||||
video_subtitles = None
|
||||
|
||||
if self._downloader.params.get('writesubtitles', False):
|
||||
(srt_error, video_subtitles) = self._extract_subtitles(video_id)
|
||||
if srt_error:
|
||||
self._downloader.trouble(srt_error)
|
||||
video_subtitles = self._extract_subtitle(video_id)
|
||||
if video_subtitles:
|
||||
(sub_error, sub_lang, sub) = video_subtitles[0]
|
||||
if sub_error:
|
||||
self._downloader.trouble(sub_error)
|
||||
|
||||
if self._downloader.params.get('allsubtitles', False):
|
||||
video_subtitles = self._extract_all_subtitles(video_id)
|
||||
for video_subtitle in video_subtitles:
|
||||
(sub_error, sub_lang, sub) = video_subtitle
|
||||
if sub_error:
|
||||
self._downloader.trouble(sub_error)
|
||||
|
||||
if self._downloader.params.get('listsubtitles', False):
|
||||
sub_lang_list = self._list_available_subtitles(video_id)
|
||||
return
|
||||
|
||||
if 'length_seconds' not in video_info:
|
||||
self._downloader.trouble(u'WARNING: unable to extract video duration')
|
||||
|
||||
@ -173,12 +173,24 @@ def parseOpts():
|
||||
action='store', dest='format_limit', metavar='FORMAT', help='highest quality format to download')
|
||||
video_format.add_option('-F', '--list-formats',
|
||||
action='store_true', dest='listformats', help='list all available formats (currently youtube only)')
|
||||
video_format.add_option('--write-srt',
|
||||
video_format.add_option('--write-sub', '--write-srt',
|
||||
action='store_true', dest='writesubtitles',
|
||||
help='write video closed captions to a .srt file (currently youtube only)', default=False)
|
||||
video_format.add_option('--srt-lang',
|
||||
help='write subtitle file (currently youtube only)', default=False)
|
||||
video_format.add_option('--only-sub',
|
||||
action='store_true', dest='onlysubtitles',
|
||||
help='downloads only the subtitles (no video)', default=False)
|
||||
video_format.add_option('--all-subs',
|
||||
action='store_true', dest='allsubtitles',
|
||||
help='downloads all the available subtitles of the video (currently youtube only)', default=False)
|
||||
video_format.add_option('--list-subs',
|
||||
action='store_true', dest='listsubtitles',
|
||||
help='lists all available subtitles for the video (currently youtube only)', default=False)
|
||||
video_format.add_option('--sub-format',
|
||||
action='store', dest='subtitlesformat', metavar='LANG',
|
||||
help='subtitle format [srt/sbv] (default=srt) (currently youtube only)', default='srt')
|
||||
video_format.add_option('--sub-lang', '--srt-lang',
|
||||
action='store', dest='subtitleslang', metavar='LANG',
|
||||
help='language of the closed captions to download (optional) use IETF language tags like \'en\'')
|
||||
help='language of the subtitles to download (optional) use IETF language tags like \'en\'')
|
||||
|
||||
verbosity.add_option('-q', '--quiet',
|
||||
action='store_true', dest='quiet', help='activates quiet mode', default=False)
|
||||
@ -458,6 +470,10 @@ def _real_main():
|
||||
'writedescription': opts.writedescription,
|
||||
'writeinfojson': opts.writeinfojson,
|
||||
'writesubtitles': opts.writesubtitles,
|
||||
'onlysubtitles': opts.onlysubtitles,
|
||||
'allsubtitles': opts.allsubtitles,
|
||||
'listsubtitles': opts.listsubtitles,
|
||||
'subtitlesformat': opts.subtitlesformat,
|
||||
'subtitleslang': opts.subtitleslang,
|
||||
'matchtitle': decodeOption(opts.matchtitle),
|
||||
'rejecttitle': decodeOption(opts.rejecttitle),
|
||||
|
||||
Loading…
Reference in New Issue
Block a user