From: Philipp Hagemeister Date: Tue, 15 Nov 2011 22:00:31 +0000 (+0100) Subject: InfoQ IE (Closes #216) X-Git-Url: http://git.bitcoin.ninja/?a=commitdiff_plain;h=00f95a93f50a6f496cfc6705b3a5c95b383cf9aa;p=youtube-dl InfoQ IE (Closes #216) --- 00f95a93f50a6f496cfc6705b3a5c95b383cf9aa diff --cc youtube-dl index ff017759a,884e6f9d2..d271e1a04 --- a/youtube-dl +++ b/youtube-dl @@@ -3482,107 -3482,91 +3482,193 @@@ class XVideosIE(InfoExtractor) self._downloader.trouble(u'\nERROR: unable to download ' + video_id) +class SoundcloudIE(InfoExtractor): + """Information extractor for soundcloud.com + To access the media, the uid of the song and a stream token + must be extracted from the page source and the script must make + a request to media.soundcloud.com/crossdomain.xml. Then + the media can be grabbed by requesting from an url composed + of the stream token and uid + """ + + _VALID_URL = r'^(?:https?://)?(?:www\.)?soundcloud\.com/([\w\d-]+)/([\w\d-]+)' + IE_NAME = u'soundcloud' + + def __init__(self, downloader=None): + InfoExtractor.__init__(self, downloader) + + def report_webpage(self, video_id): + """Report information extraction.""" + self._downloader.to_screen(u'[%s] %s: Downloading webpage' % (self.IE_NAME, video_id)) + + def report_extraction(self, video_id): + """Report information extraction.""" + self._downloader.to_screen(u'[%s] %s: Extracting information' % (self.IE_NAME, video_id)) + + def _real_initialize(self): + return + + def _real_extract(self, url): + htmlParser = HTMLParser.HTMLParser() + + mobj = re.match(self._VALID_URL, url) + if mobj is None: + self._downloader.trouble(u'ERROR: invalid URL: %s' % url) + return + + # extract uploader (which is in the url) + uploader = mobj.group(1).decode('utf-8') + # extract simple title (uploader + slug of song title) + slug_title = mobj.group(2).decode('utf-8') + simple_title = uploader + '-' + slug_title + + self.report_webpage('%s/%s' % (uploader, slug_title)) + + request = urllib2.Request('http://soundcloud.com/%s/%s' % (uploader, slug_title)) + try: + webpage = urllib2.urlopen(request).read() + except (urllib2.URLError, httplib.HTTPException, socket.error), err: + self._downloader.trouble(u'ERROR: unable to download video webpage: %s' % str(err)) + return + + self.report_extraction('%s/%s' % (uploader, slug_title)) + + # extract uid and stream token that soundcloud hands out for access + mobj = re.search('"uid":"([\w\d]+?)".*?stream_token=([\w\d]+)', webpage) + if mobj: + video_id = mobj.group(1) + stream_token = mobj.group(2) + + # extract unsimplified title + mobj = re.search('"title":"(.*?)",', webpage) + if mobj: + title = mobj.group(1) + + # construct media url (with uid/token) + mediaURL = "http://media.soundcloud.com/stream/%s?stream_token=%s" + mediaURL = mediaURL % (video_id, stream_token) + + # description + description = u'No description available' + mobj = re.search('track-description-value">

(.*?)

', webpage) + if mobj: + description = mobj.group(1) + + # upload date + upload_date = None + mobj = re.search("pretty-date'>on ([\w]+ [\d]+, [\d]+ \d+:\d+)", webpage) + if mobj: + try: + upload_date = datetime.datetime.strptime(mobj.group(1), '%B %d, %Y %H:%M').strftime('%Y%m%d') + except Exception as e: + print str(e) + + # for soundcloud, a request to a cross domain is required for cookies + request = urllib2.Request('http://media.soundcloud.com/crossdomain.xml', std_headers) + + try: + self._downloader.process_info({ + 'id': video_id.decode('utf-8'), + 'url': mediaURL, + 'uploader': uploader.decode('utf-8'), + 'upload_date': upload_date, + 'title': simple_title.decode('utf-8'), + 'stitle': simple_title.decode('utf-8'), + 'ext': u'mp3', + 'format': u'NA', + 'player_url': None, + 'description': description.decode('utf-8') + }) + except UnavailableVideoError: + self._downloader.trouble(u'\nERROR: unable to download video') + + + class InfoQIE(InfoExtractor): + """Information extractor for infoq.com""" + + _VALID_URL = r'^(?:https?://)?(?:www\.)?infoq\.com/[^/]+/[^/]+$' + IE_NAME = u'infoq' + + def report_webpage(self, video_id): + """Report information extraction.""" + self._downloader.to_screen(u'[%s] %s: Downloading webpage' % (self.IE_NAME, video_id)) + + def report_extraction(self, video_id): + """Report information extraction.""" + self._downloader.to_screen(u'[%s] %s: Extracting information' % (self.IE_NAME, video_id)) + + def _simplify_title(self, title): + res = re.sub(ur'(?u)([^%s]+)' % simple_title_chars, ur'_', title) + res = res.strip(ur'_') + return res + + def _real_extract(self, url): + htmlParser = HTMLParser.HTMLParser() + + mobj = re.match(self._VALID_URL, url) + if mobj is None: + self._downloader.trouble(u'ERROR: invalid URL: %s' % url) + return + + self.report_webpage(url) + + request = urllib2.Request(url) + try: + webpage = urllib2.urlopen(request).read() + except (urllib2.URLError, httplib.HTTPException, socket.error), err: + self._downloader.trouble(u'ERROR: unable to download video webpage: %s' % str(err)) + return + + self.report_extraction(url) + + + # Extract video URL + mobj = re.search(r"jsclassref='([^']*)'", webpage) + if mobj is None: + self._downloader.trouble(u'ERROR: unable to extract video url') + return + video_url = 'rtmpe://video.infoq.com/cfx/st/' + urllib2.unquote(mobj.group(1).decode('base64')) + + + # Extract title + mobj = re.search(r'contentTitle = "(.*?)";', webpage) + if mobj is None: + self._downloader.trouble(u'ERROR: unable to extract video title') + return + video_title = mobj.group(1).decode('utf-8') + + + # Extract description + video_description = u'No description available.' + mobj = re.search(r'', webpage) + if mobj is not None: + video_description = mobj.group(1).decode('utf-8') + + video_filename = video_url.split('/')[-1] + video_id, extension = video_filename.split('.') + + self._downloader.increment_downloads() + info = { + 'id': video_id, + 'url': video_url, + 'uploader': None, + 'upload_date': None, + 'title': video_title, + 'stitle': self._simplify_title(video_title), + 'ext': extension, + 'format': extension, # Extension is always(?) mp4, but seems to be flv + 'thumbnail': None, + 'description': video_description, + 'player_url': None, + } + + try: + self._downloader.process_info(info) + except UnavailableVideoError, err: + self._downloader.trouble(u'\nERROR: unable to download ' + video_url) + + ++ class PostProcessor(object): """Post Processor class. @@@ -3979,7 -3963,7 +4065,8 @@@ def gen_extractors() EscapistIE(), CollegeHumorIE(), XVideosIE(), + SoundcloudIE(), + InfoQIE(), GenericIE() ]