+
+ def extract_info(self, url, download = True, ie_name = None):
+ '''
+ Returns a list with a dictionary for each video we find.
+ If 'download', also downloads the videos.
+ '''
+ suitable_found = False
+
+ #We copy the original list
+ ies = list(self._ies)
+
+ if ie_name is not None:
+ #We put in the first place the given info extractor
+ first_ie = get_info_extractor(ie_name)()
+ first_ie.set_downloader(self)
+ ies.insert(0, first_ie)
+
+ for ie in ies:
+ # Go to next InfoExtractor if not suitable
+ if not ie.suitable(url):
+ continue
+
+ # Warn if the _WORKING attribute is False
+ if not ie.working():
+ self.report_warning(u'the program functionality for this site has been marked as broken, '
+ u'and will probably not work. If you want to go on, use the -i option.')
+
+ # Suitable InfoExtractor found
+ suitable_found = True
+
+ # Extract information from URL and process it
+ try:
+ ie_results = ie.extract(url)
+ if ie_results is None: # Finished already (backwards compatibility; listformats and friends should be moved here)
+ break
+ results = []
+ for ie_result in ie_results:
+ if not 'extractor' in ie_result:
+ #The extractor has already been set somewhere else
+ ie_result['extractor'] = ie.IE_NAME
+ results.append(self.process_ie_result(ie_result, download))
+ return results
+ except ExtractorError as de: # An error we somewhat expected
+ self.report_error(compat_str(de), de.format_traceback())
+ break
+ except Exception as e:
+ if self.params.get('ignoreerrors', False):
+ self.report_error(compat_str(e), tb=compat_str(traceback.format_exc()))
+ break
+ else:
+ raise
+ if not suitable_found:
+ self.report_error(u'no suitable InfoExtractor: %s' % url)
+
+ def process_ie_result(self, ie_result, download = True):
+ """
+ Take the result of the ie and return a list of videos.
+ For url elements it will search the suitable ie and get the videos
+ For playlist elements it will process each of the elements of the 'entries' key
+
+ It will also download the videos if 'download'.
+ """
+ result_type = ie_result.get('_type', 'video') #If not given we suppose it's a video, support the dafault old system
+ if result_type == 'video':
+ if 'playlist' not in ie_result:
+ #It isn't part of a playlist
+ ie_result['playlist'] = None
+ ie_result['playlist_index'] = None
+ if download:
+ #Do the download:
+ self.process_info(ie_result)
+ return ie_result
+ elif result_type == 'url':
+ #We get the video pointed by the url
+ result = self.extract_info(ie_result['url'], download, ie_name = ie_result['ie_key'])[0]
+ return result
+ elif result_type == 'playlist':
+ #We process each entry in the playlist
+ playlist = ie_result.get('title', None) or ie_result.get('id', None)
+ self.to_screen(u'[download] Downloading playlist: %s' % playlist)
+
+ playlist_results = []
+
+ n_all_entries = len(ie_result['entries'])
+ playliststart = self.params.get('playliststart', 1) - 1
+ playlistend = self.params.get('playlistend', -1)
+
+ if playlistend == -1:
+ entries = ie_result['entries'][playliststart:]
+ else:
+ entries = ie_result['entries'][playliststart:playlistend]
+
+ n_entries = len(entries)
+
+ self.to_screen(u"[%s] playlist '%s': Collected %d video ids (downloading %d of them)" %
+ (ie_result['extractor'], playlist, n_all_entries, n_entries))
+
+ for i,entry in enumerate(entries,1):
+ self.to_screen(u'[download] Downloading video #%s of %s' %(i, n_entries))
+ entry_result = self.process_ie_result(entry, False)
+ entry_result['playlist'] = playlist
+ entry_result['playlist_index'] = i + playliststart
+ #We must do the download here to correctly set the 'playlist' key
+ if download:
+ self.process_info(entry_result)
+ playlist_results.append(entry_result)
+ result = ie_result.copy()
+ result['entries'] = playlist_results
+ return result