diff options
Diffstat (limited to 'youtube_dl/FileDownloader.py')
| -rw-r--r-- | youtube_dl/FileDownloader.py | 174 |
1 files changed, 127 insertions, 47 deletions
diff --git a/youtube_dl/FileDownloader.py b/youtube_dl/FileDownloader.py index d4f9cc621..7139adf6b 100644 --- a/youtube_dl/FileDownloader.py +++ b/youtube_dl/FileDownloader.py @@ -17,6 +17,7 @@ if os.name == 'nt': import ctypes from .utils import * +from .InfoExtractors import get_info_extractor class FileDownloader(object): @@ -393,6 +394,8 @@ class FileDownloader(object): autonumber_size = 5 autonumber_templ = u'%0' + str(autonumber_size) + u'd' template_dict['autonumber'] = autonumber_templ % self._num_downloads + if template_dict['playlist_index'] is not None: + template_dict['playlist_index'] = u'%05d' % template_dict['playlist_index'] sanitize = lambda k,v: sanitize_filename( u'NA' if v is None else compat_str(v), @@ -422,10 +425,126 @@ class FileDownloader(object): if re.search(rejecttitle, title, re.IGNORECASE): return u'"' + title + '" title matched reject pattern "' + rejecttitle + '"' return None + + 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.to_stderr(u'WARNING: 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.trouble(u'ERROR: ' + compat_str(de), de.format_traceback()) + break + except Exception as e: + if self.params.get('ignoreerrors', False): + self.trouble(u'ERROR: ' + compat_str(e), tb=compat_str(traceback.format_exc())) + break + else: + raise + if not suitable_found: + self.trouble(u'ERROR: 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 def process_info(self, info_dict): """Process a single dictionary returned by an InfoExtractor.""" + #We increment the download the download count here to match the previous behaviour. + self.increment_downloads() + + info_dict['fulltitle'] = info_dict['title'] + if len(info_dict['title']) > 200: + info_dict['title'] = info_dict['title'][:197] + u'...' + # Keep for backwards compatibility info_dict['stitle'] = info_dict['title'] @@ -560,53 +679,14 @@ class FileDownloader(object): raise SameFileError(self.params['outtmpl']) for url in url_list: - suitable_found = False - for ie in self._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: - videos = ie.extract(url) - except ExtractorError as de: # An error we somewhat expected - self.trouble(u'ERROR: ' + compat_str(de), de.format_traceback()) - break - except MaxDownloadsReached: - self.to_screen(u'[info] Maximum number of downloaded files reached.') - raise - except Exception as e: - if self.params.get('ignoreerrors', False): - self.report_error(u'' + compat_str(e), tb=compat_str(traceback.format_exc())) - break - else: - raise - - if len(videos or []) > 1 and self.fixed_template(): - raise SameFileError(self.params['outtmpl']) - - for video in videos or []: - video['extractor'] = ie.IE_NAME - try: - self.increment_downloads() - self.process_info(video) - except UnavailableVideoError: - self.to_stderr(u"\n") - self.report_error(u'unable to download video') - - # Suitable InfoExtractor had been found; go to next URL - break - - if not suitable_found: - self.report_error(u'no suitable InfoExtractor: %s' % url) + try: + #It also downloads the videos + videos = self.extract_info(url) + except UnavailableVideoError: + self.trouble(u'\nERROR: unable to download video') + except MaxDownloadsReached: + self.to_screen(u'[info] Maximum number of downloaded files reached.') + raise return self._download_retcode |