Ability to load playlist infojson
* If `--no-clean-infojson` is given, the video ids are saved/loaded from in the infojson along with their playlist index * If a video entry that was not saved is requested, we fallback to using `webpage_url` to re-extract the entries Related: https://github.com/yt-dlp/yt-dlp/issues/190#issuecomment-804921024
This commit is contained in:
pukkandan
parent
394dcd4486
commit
498f560638
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@ -60,6 +60,7 @@ from .utils import (
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encode_compat_str,
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encodeFilename,
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error_to_compat_str,
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EntryNotInPlaylist,
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ExistingVideoReached,
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expand_path,
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ExtractorError,
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@ -1180,48 +1181,16 @@ class YoutubeDL(object):
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playlist = ie_result.get('title') or ie_result.get('id')
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self.to_screen('[download] Downloading playlist: %s' % playlist)
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if self.params.get('allow_playlist_files', True):
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ie_copy = {
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'playlist': playlist,
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'playlist_id': ie_result.get('id'),
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'playlist_title': ie_result.get('title'),
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'playlist_uploader': ie_result.get('uploader'),
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'playlist_uploader_id': ie_result.get('uploader_id'),
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'playlist_index': 0
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}
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ie_copy.update(dict(ie_result))
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if self.params.get('writeinfojson', False):
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infofn = self.prepare_filename(ie_copy, 'pl_infojson')
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if not self._ensure_dir_exists(encodeFilename(infofn)):
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return
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if not self.params.get('overwrites', True) and os.path.exists(encodeFilename(infofn)):
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self.to_screen('[info] Playlist metadata is already present')
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else:
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playlist_info = dict(ie_result)
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# playlist_info['entries'] = list(playlist_info['entries']) # Entries is a generator which shouldnot be resolved here
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self.to_screen('[info] Writing playlist metadata as JSON to: ' + infofn)
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try:
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write_json_file(self.filter_requested_info(playlist_info, self.params.get('clean_infojson', True)), infofn)
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except (OSError, IOError):
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self.report_error('Cannot write playlist metadata to JSON file ' + infofn)
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if self.params.get('writedescription', False):
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descfn = self.prepare_filename(ie_copy, 'pl_description')
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if not self._ensure_dir_exists(encodeFilename(descfn)):
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return
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if not self.params.get('overwrites', True) and os.path.exists(encodeFilename(descfn)):
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self.to_screen('[info] Playlist description is already present')
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elif ie_result.get('description') is None:
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self.report_warning('There\'s no playlist description to write.')
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else:
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try:
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self.to_screen('[info] Writing playlist description to: ' + descfn)
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with io.open(encodeFilename(descfn), 'w', encoding='utf-8') as descfile:
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descfile.write(ie_result['description'])
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except (OSError, IOError):
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self.report_error('Cannot write playlist description file ' + descfn)
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return
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if 'entries' not in ie_result:
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raise EntryNotInPlaylist()
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incomplete_entries = bool(ie_result.get('requested_entries'))
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if incomplete_entries:
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def fill_missing_entries(entries, indexes):
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ret = [None] * max(*indexes)
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for i, entry in zip(indexes, entries):
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ret[i - 1] = entry
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return ret
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ie_result['entries'] = fill_missing_entries(ie_result['entries'], ie_result['requested_entries'])
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playlist_results = []
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@ -1248,25 +1217,20 @@ class YoutubeDL(object):
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def make_playlistitems_entries(list_ie_entries):
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num_entries = len(list_ie_entries)
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return [
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list_ie_entries[i - 1] for i in playlistitems
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if -num_entries <= i - 1 < num_entries]
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def report_download(num_entries):
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self.to_screen(
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'[%s] playlist %s: Downloading %d videos' %
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(ie_result['extractor'], playlist, num_entries))
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for i in playlistitems:
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if -num_entries < i <= num_entries:
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yield list_ie_entries[i - 1]
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elif incomplete_entries:
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raise EntryNotInPlaylist()
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if isinstance(ie_entries, list):
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n_all_entries = len(ie_entries)
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if playlistitems:
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entries = make_playlistitems_entries(ie_entries)
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entries = list(make_playlistitems_entries(ie_entries))
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else:
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entries = ie_entries[playliststart:playlistend]
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n_entries = len(entries)
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self.to_screen(
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'[%s] playlist %s: Collected %d video ids (downloading %d of them)' %
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(ie_result['extractor'], playlist, n_all_entries, n_entries))
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msg = 'Collected %d videos; downloading %d of them' % (n_all_entries, n_entries)
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elif isinstance(ie_entries, PagedList):
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if playlistitems:
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entries = []
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@ -1278,25 +1242,73 @@ class YoutubeDL(object):
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entries = ie_entries.getslice(
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playliststart, playlistend)
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n_entries = len(entries)
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report_download(n_entries)
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msg = 'Downloading %d videos' % n_entries
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else: # iterable
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if playlistitems:
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entries = make_playlistitems_entries(list(itertools.islice(
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ie_entries, 0, max(playlistitems))))
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entries = list(make_playlistitems_entries(list(itertools.islice(
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ie_entries, 0, max(playlistitems)))))
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else:
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entries = list(itertools.islice(
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ie_entries, playliststart, playlistend))
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n_entries = len(entries)
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report_download(n_entries)
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msg = 'Downloading %d videos' % n_entries
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if any((entry is None for entry in entries)):
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raise EntryNotInPlaylist()
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if not playlistitems and (playliststart or playlistend):
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playlistitems = list(range(1 + playliststart, 1 + playliststart + len(entries)))
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ie_result['entries'] = entries
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ie_result['requested_entries'] = playlistitems
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if self.params.get('allow_playlist_files', True):
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ie_copy = {
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'playlist': playlist,
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'playlist_id': ie_result.get('id'),
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'playlist_title': ie_result.get('title'),
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'playlist_uploader': ie_result.get('uploader'),
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'playlist_uploader_id': ie_result.get('uploader_id'),
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'playlist_index': 0
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}
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ie_copy.update(dict(ie_result))
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if self.params.get('writeinfojson', False):
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infofn = self.prepare_filename(ie_copy, 'pl_infojson')
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if not self._ensure_dir_exists(encodeFilename(infofn)):
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return
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if not self.params.get('overwrites', True) and os.path.exists(encodeFilename(infofn)):
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self.to_screen('[info] Playlist metadata is already present')
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else:
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self.to_screen('[info] Writing playlist metadata as JSON to: ' + infofn)
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try:
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write_json_file(self.filter_requested_info(ie_result, self.params.get('clean_infojson', True)), infofn)
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except (OSError, IOError):
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self.report_error('Cannot write playlist metadata to JSON file ' + infofn)
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if self.params.get('writedescription', False):
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descfn = self.prepare_filename(ie_copy, 'pl_description')
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if not self._ensure_dir_exists(encodeFilename(descfn)):
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return
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if not self.params.get('overwrites', True) and os.path.exists(encodeFilename(descfn)):
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self.to_screen('[info] Playlist description is already present')
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elif ie_result.get('description') is None:
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self.report_warning('There\'s no playlist description to write.')
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else:
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try:
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self.to_screen('[info] Writing playlist description to: ' + descfn)
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with io.open(encodeFilename(descfn), 'w', encoding='utf-8') as descfile:
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descfile.write(ie_result['description'])
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except (OSError, IOError):
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self.report_error('Cannot write playlist description file ' + descfn)
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return
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if self.params.get('playlistreverse', False):
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entries = entries[::-1]
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if self.params.get('playlistrandom', False):
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random.shuffle(entries)
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x_forwarded_for = ie_result.get('__x_forwarded_for_ip')
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self.to_screen('[%s] playlist %s: %s' % (ie_result['extractor'], playlist, msg))
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for i, entry in enumerate(entries, 1):
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self.to_screen('[download] Downloading video %s of %s' % (i, n_entries))
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# This __x_forwarded_for_ip thing is a bit ugly but requires
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@ -1310,7 +1322,7 @@ class YoutubeDL(object):
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'playlist_title': ie_result.get('title'),
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'playlist_uploader': ie_result.get('uploader'),
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'playlist_uploader_id': ie_result.get('uploader_id'),
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'playlist_index': playlistitems[i - 1] if playlistitems else i + playliststart,
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'playlist_index': playlistitems[i - 1] if playlistitems else i,
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'extractor': ie_result['extractor'],
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'webpage_url': ie_result['webpage_url'],
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'webpage_url_basename': url_basename(ie_result['webpage_url']),
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@ -2524,10 +2536,10 @@ class YoutubeDL(object):
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[info_filename], mode='r',
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openhook=fileinput.hook_encoded('utf-8'))) as f:
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# FileInput doesn't have a read method, we can't call json.load
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info = self.filter_requested_info(json.loads('\n'.join(f)))
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info = self.filter_requested_info(json.loads('\n'.join(f)), self.params.get('clean_infojson', True))
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try:
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self.process_ie_result(info, download=True)
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except DownloadError:
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except (DownloadError, EntryNotInPlaylist):
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webpage_url = info.get('webpage_url')
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if webpage_url is not None:
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self.report_warning('The info failed to download, trying with "%s"' % webpage_url)
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@ -2542,7 +2554,7 @@ class YoutubeDL(object):
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info_dict['epoch'] = int(time.time())
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return info_dict
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exceptions = {
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'remove': ['requested_formats', 'requested_subtitles', 'filepath', 'entries'],
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'remove': ['requested_formats', 'requested_subtitles', 'requested_entries', 'filepath', 'entries'],
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'keep': ['_type'],
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}
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keep_key = lambda k: k in exceptions['keep'] or not (k.startswith('_') or k in exceptions['remove'])
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@ -2423,6 +2423,15 @@ class DownloadError(YoutubeDLError):
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self.exc_info = exc_info
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class EntryNotInPlaylist(YoutubeDLError):
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"""Entry not in playlist exception.
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This exception will be thrown by YoutubeDL when a requested entry
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is not found in the playlist info_dict
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"""
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pass
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class SameFileError(YoutubeDLError):
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"""Same File exception.
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