-from __future__ import division, unicode_literals
-
import json
+import time
+import urllib.error
from .fragment import FragmentFD
-from ..compat import compat_urllib_error
-from ..utils import (
- try_get,
- RegexNotFoundError,
-)
-from ..extractor.youtube import YoutubeBaseInfoExtractor as YT_BaseIE
-
+from ..utils import RegexNotFoundError, dict_get, int_or_none, try_get
-class YoutubeLiveChatReplayFD(FragmentFD):
- """ Downloads YouTube live chat replays fragment by fragment """
- FD_NAME = 'youtube_live_chat_replay'
+class YoutubeLiveChatFD(FragmentFD):
+ """ Downloads YouTube live chats fragment by fragment """
def real_download(self, filename, info_dict):
video_id = info_dict['video_id']
self.to_screen('[%s] Downloading live chat' % self.FD_NAME)
+ if not self.params.get('skip_download') and info_dict['protocol'] == 'youtube_live_chat':
+ self.report_warning('Live chat download runs until the livestream ends. '
+ 'If you wish to download the video simultaneously, run a separate yt-dlp instance')
fragment_retries = self.params.get('fragment_retries', 0)
test = self.params.get('test', False)
'total_frags': None,
}
- ie = YT_BaseIE(self.ydl)
+ from ..extractor.youtube import YoutubeBaseInfoExtractor
+
+ ie = YoutubeBaseInfoExtractor(self.ydl)
+
+ start_time = int(time.time() * 1000)
def dl_fragment(url, data=None, headers=None):
http_headers = info_dict.get('http_headers', {})
http_headers.update(headers)
return self._download_fragment(ctx, url, info_dict, http_headers, data)
- def download_and_parse_fragment(url, frag_index, request_data):
+ def parse_actions_replay(live_chat_continuation):
+ offset = continuation_id = click_tracking_params = None
+ processed_fragment = bytearray()
+ for action in live_chat_continuation.get('actions', []):
+ if 'replayChatItemAction' in action:
+ replay_chat_item_action = action['replayChatItemAction']
+ offset = int(replay_chat_item_action['videoOffsetTimeMsec'])
+ processed_fragment.extend(
+ json.dumps(action, ensure_ascii=False).encode() + b'\n')
+ if offset is not None:
+ continuation = try_get(
+ live_chat_continuation,
+ lambda x: x['continuations'][0]['liveChatReplayContinuationData'], dict)
+ if continuation:
+ continuation_id = continuation.get('continuation')
+ click_tracking_params = continuation.get('clickTrackingParams')
+ self._append_fragment(ctx, processed_fragment)
+ return continuation_id, offset, click_tracking_params
+
+ def try_refresh_replay_beginning(live_chat_continuation):
+ # choose the second option that contains the unfiltered live chat replay
+ refresh_continuation = try_get(
+ live_chat_continuation,
+ lambda x: x['header']['liveChatHeaderRenderer']['viewSelector']['sortFilterSubMenuRenderer']['subMenuItems'][1]['continuation']['reloadContinuationData'], dict)
+ if refresh_continuation:
+ # no data yet but required to call _append_fragment
+ self._append_fragment(ctx, b'')
+ refresh_continuation_id = refresh_continuation.get('continuation')
+ offset = 0
+ click_tracking_params = refresh_continuation.get('trackingParams')
+ return refresh_continuation_id, offset, click_tracking_params
+ return parse_actions_replay(live_chat_continuation)
+
+ live_offset = 0
+
+ def parse_actions_live(live_chat_continuation):
+ nonlocal live_offset
+ continuation_id = click_tracking_params = None
+ processed_fragment = bytearray()
+ for action in live_chat_continuation.get('actions', []):
+ timestamp = self.parse_live_timestamp(action)
+ if timestamp is not None:
+ live_offset = timestamp - start_time
+ # compatibility with replay format
+ pseudo_action = {
+ 'replayChatItemAction': {'actions': [action]},
+ 'videoOffsetTimeMsec': str(live_offset),
+ 'isLive': True,
+ }
+ processed_fragment.extend(
+ json.dumps(pseudo_action, ensure_ascii=False).encode() + b'\n')
+ continuation_data_getters = [
+ lambda x: x['continuations'][0]['invalidationContinuationData'],
+ lambda x: x['continuations'][0]['timedContinuationData'],
+ ]
+ continuation_data = try_get(live_chat_continuation, continuation_data_getters, dict)
+ if continuation_data:
+ continuation_id = continuation_data.get('continuation')
+ click_tracking_params = continuation_data.get('clickTrackingParams')
+ timeout_ms = int_or_none(continuation_data.get('timeoutMs'))
+ if timeout_ms is not None:
+ time.sleep(timeout_ms / 1000)
+ self._append_fragment(ctx, processed_fragment)
+ return continuation_id, live_offset, click_tracking_params
+
+ def download_and_parse_fragment(url, frag_index, request_data=None, headers=None):
count = 0
while count <= fragment_retries:
try:
- success, raw_fragment = dl_fragment(url, request_data, {'content-type': 'application/json'})
+ success = dl_fragment(url, request_data, headers)
if not success:
- return False, None, None
+ return False, None, None, None
+ raw_fragment = self._read_fragment(ctx)
try:
- data = ie._extract_yt_initial_data(video_id, raw_fragment.decode('utf-8', 'replace'))
+ data = ie.extract_yt_initial_data(video_id, raw_fragment.decode('utf-8', 'replace'))
except RegexNotFoundError:
data = None
if not data:
live_chat_continuation = try_get(
data,
lambda x: x['continuationContents']['liveChatContinuation'], dict) or {}
- offset = continuation_id = None
- processed_fragment = bytearray()
- for action in live_chat_continuation.get('actions', []):
- if 'replayChatItemAction' in action:
- replay_chat_item_action = action['replayChatItemAction']
- offset = int(replay_chat_item_action['videoOffsetTimeMsec'])
- processed_fragment.extend(
- json.dumps(action, ensure_ascii=False).encode('utf-8') + b'\n')
- if offset is not None:
- continuation_id = try_get(
- live_chat_continuation,
- lambda x: x['continuations'][0]['liveChatReplayContinuationData']['continuation'])
- self._append_fragment(ctx, processed_fragment)
-
- return True, continuation_id, offset
- except compat_urllib_error.HTTPError as err:
+ if info_dict['protocol'] == 'youtube_live_chat_replay':
+ if frag_index == 1:
+ continuation_id, offset, click_tracking_params = try_refresh_replay_beginning(live_chat_continuation)
+ else:
+ continuation_id, offset, click_tracking_params = parse_actions_replay(live_chat_continuation)
+ elif info_dict['protocol'] == 'youtube_live_chat':
+ continuation_id, offset, click_tracking_params = parse_actions_live(live_chat_continuation)
+ return True, continuation_id, offset, click_tracking_params
+ except urllib.error.HTTPError as err:
count += 1
if count <= fragment_retries:
self.report_retry_fragment(err, frag_index, count, fragment_retries)
if count > fragment_retries:
self.report_error('giving up after %s fragment retries' % fragment_retries)
- return False, None, None
+ return False, None, None, None
- self._prepare_and_start_frag_download(ctx)
+ self._prepare_and_start_frag_download(ctx, info_dict)
- success, raw_fragment = dl_fragment(
- 'https://www.youtube.com/watch?v={}'.format(video_id))
+ success = dl_fragment(info_dict['url'])
if not success:
return False
+ raw_fragment = self._read_fragment(ctx)
try:
- data = ie._extract_yt_initial_data(video_id, raw_fragment.decode('utf-8', 'replace'))
+ data = ie.extract_yt_initial_data(video_id, raw_fragment.decode('utf-8', 'replace'))
except RegexNotFoundError:
return False
continuation_id = try_get(
# no data yet but required to call _append_fragment
self._append_fragment(ctx, b'')
- ytcfg = ie._extract_ytcfg(video_id, raw_fragment.decode('utf-8', 'replace'))
+ ytcfg = ie.extract_ytcfg(video_id, raw_fragment.decode('utf-8', 'replace'))
if not ytcfg:
return False
innertube_context = try_get(ytcfg, lambda x: x['INNERTUBE_CONTEXT'])
if not api_key or not innertube_context:
return False
- url = 'https://www.youtube.com/youtubei/v1/live_chat/get_live_chat_replay?key=' + api_key
+ visitor_data = try_get(innertube_context, lambda x: x['client']['visitorData'], str)
+ if info_dict['protocol'] == 'youtube_live_chat_replay':
+ url = 'https://www.youtube.com/youtubei/v1/live_chat/get_live_chat_replay?key=' + api_key
+ chat_page_url = 'https://www.youtube.com/live_chat_replay?continuation=' + continuation_id
+ elif info_dict['protocol'] == 'youtube_live_chat':
+ url = 'https://www.youtube.com/youtubei/v1/live_chat/get_live_chat?key=' + api_key
+ chat_page_url = 'https://www.youtube.com/live_chat?continuation=' + continuation_id
frag_index = offset = 0
+ click_tracking_params = None
while continuation_id is not None:
frag_index += 1
request_data = {
}
if frag_index > 1:
request_data['currentPlayerState'] = {'playerOffsetMs': str(max(offset - 5000, 0))}
- success, continuation_id, offset = download_and_parse_fragment(
- url, frag_index, json.dumps(request_data, ensure_ascii=False).encode('utf-8') + b'\n')
+ if click_tracking_params:
+ request_data['context']['clickTracking'] = {'clickTrackingParams': click_tracking_params}
+ headers = ie.generate_api_headers(ytcfg=ytcfg, visitor_data=visitor_data)
+ headers.update({'content-type': 'application/json'})
+ fragment_request_data = json.dumps(request_data, ensure_ascii=False).encode() + b'\n'
+ success, continuation_id, offset, click_tracking_params = download_and_parse_fragment(
+ url, frag_index, fragment_request_data, headers)
+ else:
+ success, continuation_id, offset, click_tracking_params = download_and_parse_fragment(
+ chat_page_url, frag_index)
if not success:
return False
if test:
break
- self._finish_frag_download(ctx)
+ self._finish_frag_download(ctx, info_dict)
return True
+
+ @staticmethod
+ def parse_live_timestamp(action):
+ action_content = dict_get(
+ action,
+ ['addChatItemAction', 'addLiveChatTickerItemAction', 'addBannerToLiveChatCommand'])
+ if not isinstance(action_content, dict):
+ return None
+ item = dict_get(action_content, ['item', 'bannerRenderer'])
+ if not isinstance(item, dict):
+ return None
+ renderer = dict_get(item, [
+ # text
+ 'liveChatTextMessageRenderer', 'liveChatPaidMessageRenderer',
+ 'liveChatMembershipItemRenderer', 'liveChatPaidStickerRenderer',
+ # ticker
+ 'liveChatTickerPaidMessageItemRenderer',
+ 'liveChatTickerSponsorItemRenderer',
+ # banner
+ 'liveChatBannerRenderer',
+ ])
+ if not isinstance(renderer, dict):
+ return None
+ parent_item_getters = [
+ lambda x: x['showItemEndpoint']['showLiveChatItemEndpoint']['renderer'],
+ lambda x: x['contents'],
+ ]
+ parent_item = try_get(renderer, parent_item_getters, dict)
+ if parent_item:
+ renderer = dict_get(parent_item, [
+ 'liveChatTextMessageRenderer', 'liveChatPaidMessageRenderer',
+ 'liveChatMembershipItemRenderer', 'liveChatPaidStickerRenderer',
+ ])
+ if not isinstance(renderer, dict):
+ return None
+ return int_or_none(renderer.get('timestampUsec'), 1000)
projects / yt-dlp.git / blobdiff