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from youtube import yt_app
from youtube import util, comments, local_playlist, yt_data_extract
import settings
from flask import request
import flask
from youtube_dl.YoutubeDL import YoutubeDL
from youtube_dl.extractor.youtube import YoutubeError
import json
import html
import gevent
import os
def get_related_items(info):
results = []
for item in info['related_vids']:
if 'list' in item: # playlist:
result = watch_page_related_playlist_info(item)
else:
result = watch_page_related_video_info(item)
yt_data_extract.prefix_urls(result)
yt_data_extract.add_extra_html_info(result)
results.append(result)
return results
# json of related items retrieved directly from the watch page has different names for everything
# converts these to standard names
def watch_page_related_video_info(item):
result = {key: item[key] for key in ('id', 'title', 'author')}
result['duration'] = util.seconds_to_timestamp(item['length_seconds'])
try:
result['views'] = item['short_view_count_text']
except KeyError:
result['views'] = ''
result['thumbnail'] = util.get_thumbnail_url(item['id'])
result['type'] = 'video'
return result
def watch_page_related_playlist_info(item):
return {
'size': item['playlist_length'] if item['playlist_length'] != "0" else "50+",
'title': item['playlist_title'],
'id': item['list'],
'first_video_id': item['video_id'],
'thumbnail': util.get_thumbnail_url(item['video_id']),
'type': 'playlist',
}
def get_video_sources(info):
video_sources = []
for format in info['formats']:
if format['acodec'] != 'none' and format['vcodec'] != 'none' and format['height'] <= settings.default_resolution:
video_sources.append({
'src': format['url'],
'type': 'video/' + format['ext'],
'height': format['height'],
'width': format['width'],
})
#### order the videos sources so the preferred resolution is first ###
video_sources.sort(key=lambda source: source['height'], reverse=True)
return video_sources
def get_subtitle_sources(info):
sources = []
default_found = False
default = None
for language, formats in info['subtitles'].items():
for format in formats:
if format['ext'] == 'vtt':
source = {
'url': '/' + format['url'],
'label': language,
'srclang': language,
# set as on by default if this is the preferred language and a default-on subtitles mode is in settings
'on': language == settings.subtitles_language and settings.subtitles_mode > 0,
}
if language == settings.subtitles_language:
default_found = True
default = source
else:
sources.append(source)
break
# Put it at the end to avoid browser bug when there are too many languages
# (in firefox, it is impossible to select a language near the top of the list because it is cut off)
if default_found:
sources.append(default)
try:
formats = info['automatic_captions'][settings.subtitles_language]
except KeyError:
pass
else:
for format in formats:
if format['ext'] == 'vtt':
sources.append({
'url': '/' + format['url'],
'label': settings.subtitles_language + ' - Automatic',
'srclang': settings.subtitles_language,
# set as on by default if this is the preferred language and a default-on subtitles mode is in settings
'on': settings.subtitles_mode == 2 and not default_found,
})
return sources
def get_ordered_music_list_attributes(music_list):
# get the set of attributes which are used by atleast 1 track
# so there isn't an empty, extraneous album column which no tracks use, for example
used_attributes = set()
for track in music_list:
used_attributes = used_attributes | track.keys()
# now put them in the right order
ordered_attributes = []
for attribute in ('Artist', 'Title', 'Album'):
if attribute.lower() in used_attributes:
ordered_attributes.append(attribute)
return ordered_attributes
def extract_info(downloader, *args, **kwargs):
try:
return downloader.extract_info(*args, **kwargs)
except YoutubeError as e:
return str(e)
@yt_app.route('/watch')
def get_watch_page():
video_id = request.args['v']
if len(video_id) < 11:
flask.abort(404)
flask.abort(flask.Response('Incomplete video id (too short): ' + video_id))
lc = request.args.get('lc', '')
if settings.route_tor:
proxy = 'socks5://127.0.0.1:9150/'
else:
proxy = ''
yt_dl_downloader = YoutubeDL(params={'youtube_include_dash_manifest':False, 'proxy':proxy})
tasks = (
gevent.spawn(comments.video_comments, video_id, int(settings.default_comment_sorting), lc=lc ),
gevent.spawn(extract_info, yt_dl_downloader, "https://www.youtube.com/watch?v=" + video_id, download=False)
)
gevent.joinall(tasks)
comments_info, info = tasks[0].value, tasks[1].value
if isinstance(info, str): # youtube error
return flask.render_template('error.html', error_message = info)
video_info = {
"duration": util.seconds_to_timestamp(info["duration"]),
"id": info['id'],
"title": info['title'],
"author": info['uploader'],
}
upload_year = info["upload_date"][0:4]
upload_month = info["upload_date"][4:6]
upload_day = info["upload_date"][6:8]
upload_date = upload_month + "/" + upload_day + "/" + upload_year
if settings.related_videos_mode:
related_videos = get_related_items(info)
else:
related_videos = []
if settings.gather_googlevideo_domains:
with open(os.path.join(settings.data_dir, 'googlevideo-domains.txt'), 'a+', encoding='utf-8') as f:
url = info['formats'][0]['url']
subdomain = url[0:url.find(".googlevideo.com")]
f.write(subdomain + "\n")
download_formats = []
for format in info['formats']:
download_formats.append({
'url': format['url'],
'ext': format['ext'],
'resolution': yt_dl_downloader.format_resolution(format),
'note': yt_dl_downloader._format_note(format),
})
video_sources = get_video_sources(info)
video_height = video_sources[0]['height']
# 1 second per pixel, or the actual video width
theater_video_target_width = max(640, info['duration'], video_sources[0]['width'])
return flask.render_template('watch.html',
header_playlist_names = local_playlist.get_playlist_names(),
uploader_channel_url = '/' + info['uploader_url'],
upload_date = upload_date,
views = (lambda x: '{:,}'.format(x) if x is not None else "")(info.get("view_count", None)),
likes = (lambda x: '{:,}'.format(x) if x is not None else "")(info.get("like_count", None)),
dislikes = (lambda x: '{:,}'.format(x) if x is not None else "")(info.get("dislike_count", None)),
download_formats = download_formats,
video_info = json.dumps(video_info),
video_sources = video_sources,
subtitle_sources = get_subtitle_sources(info),
related = related_videos,
music_list = info['music_list'],
music_attributes = get_ordered_music_list_attributes(info['music_list']),
comments_info = comments_info,
theater_mode = settings.theater_mode,
related_videos_mode = settings.related_videos_mode,
comments_mode = settings.comments_mode,
video_height = video_height,
theater_video_target_width = theater_video_target_width,
title = info['title'],
uploader = info['uploader'],
description = info['description'],
unlisted = info['unlisted'],
)
@yt_app.route('/api/<path:dummy>')
def get_captions(dummy):
result = util.fetch_url('https://www.youtube.com' + request.full_path)
result = result.replace(b"align:start position:0%", b"")
return result
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