'Kevin Ngo',
'Ori Avtalion',
'shizeeg',
+ 'Filippo Valsorda',
)
__license__ = 'Public Domain'
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
+ subtitleslang: Language of the subtitles to download
"""
params = None
""" Report that the description file is being written """
self.to_screen(u'[info] Writing video description to: ' + descfn)
+ def report_writesubtitles(self, srtfn):
+ """ Report that the subtitles file is being written """
+ self.to_screen(u'[info] Writing video subtitles to: ' + srtfn)
+
def report_writeinfojson(self, infofn):
""" Report that the metadata file has been written """
self.to_screen(u'[info] Video description metadata as JSON to: ' + infofn)
except (OSError, IOError):
self.trouble(u'ERROR: Cannot write description file ' + descfn)
return
+
+ 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
+ try:
+ srtfn = filename.rsplit('.', 1)[0] + u'.srt'
+ self.report_writesubtitles(srtfn)
+ srtfile = open(_encodeFilename(srtfn), 'wb')
+ try:
+ srtfile.write(info_dict['subtitles'].encode('utf-8'))
+ finally:
+ srtfile.close()
+ except (OSError, IOError):
+ self.trouble(u'ERROR: Cannot write subtitles file ' + descfn)
+ return
if self.params.get('writeinfojson', False):
infofn = filename + u'.info.json'
"""Report attempt to download video info webpage."""
self._downloader.to_screen(u'[youtube] %s: Downloading video info webpage' % video_id)
+ 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)
+
def report_information_extraction(self, video_id):
"""Report attempt to extract video information."""
self._downloader.to_screen(u'[youtube] %s: Extracting video information' % video_id)
"""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 = re.sub(ur'(?u)&(.+?);', htmlentity_transform, caption)
+ caption = re.sub(ur'(?u)&(.+?);', htmlentity_transform, caption) # double cycle, inentional
+ srt += str(n) + '\n'
+ srt += start + ' --> ' + end + '\n'
+ srt += caption + '\n\n'
+ return srt
+
def _print_formats(self, formats):
print 'Available formats:'
for x in formats:
vwebpage_doc = lxml.etree.parse(StringIO.StringIO(video_webpage), html_parser)
video_description = u''.join(vwebpage_doc.xpath('id("eow-description")//text()'))
# TODO use another parser
+
+ # closed captions
+ video_subtitles = None
+ if self._downloader.params.get('writesubtitles', False):
+ self.report_video_subtitles_download(video_id)
+ request = urllib2.Request('http://video.google.com/timedtext?hl=en&type=list&v=%s' % video_id)
+ try:
+ srt_list = urllib2.urlopen(request).read()
+ except (urllib2.URLError, httplib.HTTPException, socket.error), err:
+ self._downloader.trouble(u'WARNING: unable to download video subtitles: %s' % str(err))
+ else:
+ srt_lang_list = re.findall(r'lang_code="([\w\-]+)"', srt_list)
+ if srt_lang_list:
+ 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 = srt_lang_list[0]
+ if not srt_lang in srt_lang_list:
+ self._downloader.trouble(u'WARNING: no closed captions found in the specified language')
+ else:
+ request = urllib2.Request('http://video.google.com/timedtext?hl=en&lang=%s&v=%s' % (srt_lang, video_id))
+ try:
+ srt_xml = urllib2.urlopen(request).read()
+ except (urllib2.URLError, httplib.HTTPException, socket.error), err:
+ self._downloader.trouble(u'WARNING: unable to download video subtitles: %s' % str(err))
+ else:
+ video_subtitles = self._closed_captions_xml_to_srt(srt_xml.decode('utf-8'))
+ else:
+ self._downloader.trouble(u'WARNING: video has no closed captions')
# token
video_token = urllib.unquote_plus(video_info['token'][0])
'thumbnail': video_thumbnail.decode('utf-8'),
'description': video_description,
'player_url': player_url,
+ 'subtitles': video_subtitles
})
except UnavailableVideoError, err:
self._downloader.trouble(u'\nERROR: unable to download video')
"""Report information extraction."""
self._downloader.to_screen(u'[generic] %s: Extracting information' % video_id)
+ def report_following_redirect(self, new_url):
+ """Report information extraction."""
+ self._downloader.to_screen(u'[redirect] Following redirect to %s' % new_url)
+
+ def _test_redirect(self, url):
+ """Check if it is a redirect, like url shorteners, in case restart chain."""
+ class HeadRequest(urllib2.Request):
+ def get_method(self):
+ return "HEAD"
+
+ class HEADRedirectHandler(urllib2.HTTPRedirectHandler):
+ """
+ Subclass the HTTPRedirectHandler to make it use our
+ HeadRequest also on the redirected URL
+ """
+ def redirect_request(self, req, fp, code, msg, headers, newurl):
+ if code in (301, 302, 303, 307):
+ newurl = newurl.replace(' ', '%20')
+ newheaders = dict((k,v) for k,v in req.headers.items()
+ if k.lower() not in ("content-length", "content-type"))
+ return HeadRequest(newurl,
+ headers=newheaders,
+ origin_req_host=req.get_origin_req_host(),
+ unverifiable=True)
+ else:
+ raise urllib2.HTTPError(req.get_full_url(), code, msg, headers, fp)
+
+ class HTTPMethodFallback(urllib2.BaseHandler):
+ """
+ Fallback to GET if HEAD is not allowed (405 HTTP error)
+ """
+ def http_error_405(self, req, fp, code, msg, headers):
+ fp.read()
+ fp.close()
+
+ newheaders = dict((k,v) for k,v in req.headers.items()
+ if k.lower() not in ("content-length", "content-type"))
+ return self.parent.open(urllib2.Request(req.get_full_url(),
+ headers=newheaders,
+ origin_req_host=req.get_origin_req_host(),
+ unverifiable=True))
+
+ # Build our opener
+ opener = urllib2.OpenerDirector()
+ for handler in [urllib2.HTTPHandler, urllib2.HTTPDefaultErrorHandler,
+ HTTPMethodFallback, HEADRedirectHandler,
+ urllib2.HTTPErrorProcessor, urllib2.HTTPSHandler]:
+ opener.add_handler(handler())
+
+ response = opener.open(HeadRequest(url))
+ new_url = response.geturl()
+
+ if url == new_url: return False
+
+ self.report_following_redirect(new_url)
+ self._downloader.download([new_url])
+ return True
+
def _real_extract(self, url):
+ if self._test_redirect(url): return
+
# At this point we have a new video
self._downloader.increment_downloads()
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',
+ 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',
+ action='store', dest='subtitleslang', metavar='LANG',
+ help='language of the closed captions to download (optional) use IETF language tags like \'en\'')
verbosity.add_option('-q', '--quiet',
'updatetime': opts.updatetime,
'writedescription': opts.writedescription,
'writeinfojson': opts.writeinfojson,
+ 'writesubtitles': opts.writesubtitles,
+ 'subtitleslang': opts.subtitleslang,
'matchtitle': opts.matchtitle,
'rejecttitle': opts.rejecttitle,
'max_downloads': opts.max_downloads,
projects / youtube-dl / blobdiff