Astounds
6a68f06645
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Major Features: - HD video thumbnails (hq720.jpg) with automatic fallback to lower qualities - HD channel avatars (240x240 instead of 88x88) - YouTube 2024+ lockupViewModel support for channel playlists - youtubei/v1/browse API integration for channel playlist tabs - yt-dlp integration for multi-language audio and subtitles Bug Fixes: - Fixed undefined `abort` import in playlist.py - Fixed undefined functions in proto.py (encode_varint, bytes_to_hex, succinct_encode) - Fixed missing `traceback` import in proto_debug.py - Fixed blurry playlist thumbnails using default.jpg instead of HD versions - Fixed channel playlists page using deprecated pbj=1 format Improvements: - Automatic thumbnail fallback system (hq720 → sddefault → hqdefault → mqdefault → default) - JavaScript thumbnail_fallback() handler for 404 errors - Better thumbnail quality across all pages (watch, channel, playlist, subscriptions) - Consistent HD avatar display for all channel items - Settings system automatically adds new settings without breaking user config Files Modified: - youtube/watch.py - HD thumbnails for related videos and playlist items - youtube/channel.py - HD thumbnails for channel playlists, youtubei API integration - youtube/playlist.py - HD thumbnails, fixed abort import - youtube/util.py - HD thumbnail URLs, avatar HD upgrade, prefix_url improvements - youtube/comments.py - HD video thumbnail - youtube/subscriptions.py - HD thumbnails, fixed abort import - youtube/yt_data_extract/common.py - lockupViewModel support, extract_lockup_view_model_info() - youtube/yt_data_extract/everything_else.py - HD playlist thumbnails - youtube/proto.py - Fixed undefined function references - youtube/proto_debug.py - Added traceback import - youtube/static/js/common.js - thumbnail_fallback() handler - youtube/templates/*.html - Added onerror handlers for thumbnail fallback - youtube/version.py - Bump to v0.4.0 Technical Details: - All thumbnail URLs now use hq720.jpg (1280x720) when available - Fallback handled client-side via JavaScript onerror handler - Server-side avatar upgrade via regex in util.prefix_url() - lockupViewModel parser extracts contentType, metadata, and first_video_id - Channel playlist tabs now use youtubei/v1/browse instead of deprecated pbj=1 - Settings version system ensures backward compatibility
640 lines
23 KiB
Python
640 lines
23 KiB
Python
import base64
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from youtube import (util, yt_data_extract, local_playlist, subscriptions,
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playlist)
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from youtube import yt_app
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import settings
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import urllib
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import json
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from string import Template
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import youtube.proto as proto
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import html
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import math
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import gevent
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import re
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import cachetools.func
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import traceback
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import flask
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from flask import request
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headers_desktop = (
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('Accept', '*/*'),
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('Accept-Language', 'en-US,en;q=0.5'),
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('X-YouTube-Client-Name', '1'),
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('X-YouTube-Client-Version', '2.20180830'),
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) + util.desktop_ua
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headers_mobile = (
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('Accept', '*/*'),
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('Accept-Language', 'en-US,en;q=0.5'),
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('X-YouTube-Client-Name', '2'),
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('X-YouTube-Client-Version', '2.20180830'),
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) + util.mobile_ua
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real_cookie = (('Cookie', 'VISITOR_INFO1_LIVE=8XihrAcN1l4'),)
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generic_cookie = (('Cookie', 'VISITOR_INFO1_LIVE=ST1Ti53r4fU'),)
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# FIXED 2026: YouTube changed continuation token structure (from Invidious commit a9f8127)
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# Sort values for YouTube API (from Invidious): 2=popular, 4=newest, 5=oldest
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def channel_ctoken_v5(channel_id, page, sort, tab, view=1):
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# Map sort values to YouTube API values (Invidious values)
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# Input: sort=3 (newest), sort=4 (newest no shorts)
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# YouTube expects: 4=newest
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sort_mapping = {'1': 2, '2': 5, '3': 4, '4': 4} # 4 is newest without shorts
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new_sort = sort_mapping.get(sort, 4)
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offset = 30*(int(page) - 1)
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# Build continuation token using Invidious structure
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# The structure is: base64(protobuf({
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# 80226972: {
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# 2: channel_id,
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# 3: base64(protobuf({
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# 110: {
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# 3: {
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# tab: {
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# 1: {
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# 1: base64(protobuf({
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# 1: base64(protobuf({
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# 2: "ST:" + base64(offset_varint)
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# }))
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# }))
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# },
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# 2: base64(protobuf({1: UUID}))
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# 4: sort_value
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# 8: base64(protobuf({
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# 1: UUID
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# 3: sort_value
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# }))
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# }
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# }
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# }
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# }))
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# }
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# }))
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# UUID placeholder
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uuid_proto = proto.string(1, "00000000-0000-0000-0000-000000000000")
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# Offset encoding
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offset_varint = proto.uint(1, offset)
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offset_encoded = proto.string(2, proto.unpadded_b64encode(offset_varint))
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offset_wrapper = proto.string(1, proto.unpadded_b64encode(offset_encoded))
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offset_base = proto.string(1, proto.unpadded_b64encode(offset_wrapper))
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# Sort value varint
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sort_varint = proto.uint(4, new_sort)
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# Embedded message with UUID and sort
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embedded_inner = uuid_proto + proto.uint(3, new_sort)
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embedded_encoded = proto.string(8, proto.unpadded_b64encode(embedded_inner))
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# Combine: uuid_wrapper + sort_varint + embedded
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tab_inner_content = offset_base + uuid_proto + sort_varint + embedded_encoded
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tab_inner = proto.string(1, proto.unpadded_b64encode(tab_inner_content))
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tab_wrapper = proto.string(tab, tab_inner)
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inner_container = proto.string(3, tab_wrapper)
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outer_container = proto.string(110, inner_container)
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encoded_inner = proto.percent_b64encode(outer_container)
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pointless_nest = proto.string(80226972,
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proto.string(2, channel_id)
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+ proto.string(3, encoded_inner)
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)
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return base64.urlsafe_b64encode(pointless_nest).decode('ascii')
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def channel_about_ctoken(channel_id):
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return proto.make_protobuf(
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('base64p',
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[
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[2, 80226972,
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[
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[2, 2, channel_id],
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[2, 3,
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('base64p',
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[
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[2, 110,
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[
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[2, 3,
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[
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[2, 19,
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[
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[2, 1, b'66b0e9e9-0000-2820-9589-582429a83980'],
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]
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],
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]
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],
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]
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],
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]
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)
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],
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]
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],
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]
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)
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)
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# https://github.com/user234683/youtube-local/issues/151
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def channel_ctoken_v4(channel_id, page, sort, tab, view=1):
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new_sort = (2 if int(sort) == 1 else 1)
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offset = str(30*(int(page) - 1))
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pointless_nest = proto.string(80226972,
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proto.string(2, channel_id)
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+ proto.string(3,
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proto.percent_b64encode(
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proto.string(110,
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proto.string(3,
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proto.string(15,
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proto.string(1,
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proto.string(1,
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proto.unpadded_b64encode(
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proto.string(1,
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proto.unpadded_b64encode(
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proto.string(2,
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b"ST:"
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+ proto.unpadded_b64encode(
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proto.string(2, offset)
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)
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)
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)
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)
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)
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)
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# targetId, just needs to be present but
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# doesn't need to be correct
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+ proto.string(2, "63faaff0-0000-23fe-80f0-582429d11c38")
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)
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# 1 - newest, 2 - popular
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+ proto.uint(3, new_sort)
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)
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)
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)
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)
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)
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)
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return base64.urlsafe_b64encode(pointless_nest).decode('ascii')
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# SORT:
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# videos:
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# Newest - 3
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# Last video added - 4
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# view:
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# grid: 0 or 1
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# list: 2
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def channel_ctoken_v3(channel_id, page, sort, tab, view=1):
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# page > 1 doesn't work when sorting by oldest
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offset = 30*(int(page) - 1)
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page_token = proto.string(61, proto.unpadded_b64encode(
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proto.string(1, proto.unpadded_b64encode(proto.uint(1,offset)))
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))
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tab = proto.string(2, tab)
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sort = proto.uint(3, int(sort))
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shelf_view = proto.uint(4, 0)
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view = proto.uint(6, int(view))
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continuation_info = proto.string(3,
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proto.percent_b64encode(tab + sort + shelf_view + view + page_token)
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)
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channel_id = proto.string(2, channel_id)
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pointless_nest = proto.string(80226972, channel_id + continuation_info)
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return base64.urlsafe_b64encode(pointless_nest).decode('ascii')
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def channel_ctoken_v2(channel_id, page, sort, tab, view=1):
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# see https://github.com/iv-org/invidious/issues/1319#issuecomment-671732646
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# page > 1 doesn't work when sorting by oldest
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offset = 30*(int(page) - 1)
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schema_number = {
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3: 6307666885028338688,
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2: 17254859483345278706,
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1: 16570086088270825023,
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}[int(sort)]
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page_token = proto.string(61, proto.unpadded_b64encode(proto.string(1,
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proto.uint(1, schema_number) + proto.string(2,
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proto.string(1, proto.unpadded_b64encode(proto.uint(1,offset)))
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)
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)))
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tab = proto.string(2, tab)
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sort = proto.uint(3, int(sort))
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#page = proto.string(15, str(page))
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shelf_view = proto.uint(4, 0)
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view = proto.uint(6, int(view))
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continuation_info = proto.string(
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3,
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proto.percent_b64encode(tab + sort + shelf_view + view + page_token)
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)
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channel_id = proto.string(2, channel_id)
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pointless_nest = proto.string(80226972, channel_id + continuation_info)
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return base64.urlsafe_b64encode(pointless_nest).decode('ascii')
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def channel_ctoken_v1(channel_id, page, sort, tab, view=1):
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tab = proto.string(2, tab)
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sort = proto.uint(3, int(sort))
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page = proto.string(15, str(page))
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# example with shelves in videos tab: https://www.youtube.com/channel/UCNL1ZadSjHpjm4q9j2sVtOA/videos
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shelf_view = proto.uint(4, 0)
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view = proto.uint(6, int(view))
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continuation_info = proto.string(3, proto.percent_b64encode(tab + view + sort + shelf_view + page + proto.uint(23, 0)) )
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channel_id = proto.string(2, channel_id)
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pointless_nest = proto.string(80226972, channel_id + continuation_info)
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return base64.urlsafe_b64encode(pointless_nest).decode('ascii')
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def get_channel_tab(channel_id, page="1", sort=3, tab='videos', view=1,
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ctoken=None, print_status=True):
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message = 'Got channel tab' if print_status else None
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if not ctoken:
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if tab in ('videos', 'shorts', 'streams'):
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ctoken = channel_ctoken_v5(channel_id, page, sort, tab, view)
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else:
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ctoken = channel_ctoken_v3(channel_id, page, sort, tab, view)
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ctoken = ctoken.replace('=', '%3D')
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# Not sure what the purpose of the key is or whether it will change
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# For now it seems to be constant for the API endpoint, not dependent
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# on the browsing session or channel
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key = 'AIzaSyAO_FJ2SlqU8Q4STEHLGCilw_Y9_11qcW8'
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url = 'https://www.youtube.com/youtubei/v1/browse?key=' + key
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data = {
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'context': {
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'client': {
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'hl': 'en',
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'gl': 'US',
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'clientName': 'WEB',
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'clientVersion': '2.20240327.00.00',
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},
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},
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'continuation': ctoken,
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}
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content_type_header = (('Content-Type', 'application/json'),)
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content = util.fetch_url(
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url, headers_desktop + content_type_header,
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data=json.dumps(data), debug_name='channel_tab', report_text=message)
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return content
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# cache entries expire after 30 minutes
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number_of_videos_cache = cachetools.TTLCache(128, 30*60)
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@cachetools.cached(number_of_videos_cache)
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def get_number_of_videos_channel(channel_id):
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if channel_id is None:
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return 1000
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# Uploads playlist
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playlist_id = 'UU' + channel_id[2:]
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url = 'https://m.youtube.com/playlist?list=' + playlist_id + '&pbj=1'
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try:
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response = util.fetch_url(url, headers_mobile,
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debug_name='number_of_videos', report_text='Got number of videos')
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except (urllib.error.HTTPError, util.FetchError) as e:
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traceback.print_exc()
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print("Couldn't retrieve number of videos")
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return 1000
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response = response.decode('utf-8')
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# match = re.search(r'"numVideosText":\s*{\s*"runs":\s*\[{"text":\s*"([\d,]*) videos"', response)
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match = re.search(r'"numVideosText".*?([,\d]+)', response)
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if match:
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return int(match.group(1).replace(',',''))
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else:
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return 0
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def set_cached_number_of_videos(channel_id, num_videos):
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@cachetools.cached(number_of_videos_cache)
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def dummy_func_using_same_cache(channel_id):
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return num_videos
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dummy_func_using_same_cache(channel_id)
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channel_id_re = re.compile(r'videos\.xml\?channel_id=([a-zA-Z0-9_-]{24})"')
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@cachetools.func.lru_cache(maxsize=128)
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def get_channel_id(base_url):
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# method that gives the smallest possible response at ~4 kb
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# needs to be as fast as possible
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base_url = base_url.replace('https://www', 'https://m') # avoid redirect
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response = util.fetch_url(base_url + '/about?pbj=1', headers_mobile,
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debug_name='get_channel_id', report_text='Got channel id').decode('utf-8')
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match = channel_id_re.search(response)
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if match:
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return match.group(1)
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return None
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metadata_cache = cachetools.LRUCache(128)
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@cachetools.cached(metadata_cache)
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def get_metadata(channel_id):
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base_url = 'https://www.youtube.com/channel/' + channel_id
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polymer_json = util.fetch_url(base_url + '/about?pbj=1',
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headers_desktop,
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debug_name='gen_channel_about',
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report_text='Retrieved channel metadata')
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info = yt_data_extract.extract_channel_info(json.loads(polymer_json),
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'about',
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continuation=False)
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return extract_metadata_for_caching(info)
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def set_cached_metadata(channel_id, metadata):
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@cachetools.cached(metadata_cache)
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def dummy_func_using_same_cache(channel_id):
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return metadata
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dummy_func_using_same_cache(channel_id)
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def extract_metadata_for_caching(channel_info):
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metadata = {}
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for key in ('approx_subscriber_count', 'short_description', 'channel_name',
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'avatar'):
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metadata[key] = channel_info[key]
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return metadata
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def get_number_of_videos_general(base_url):
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return get_number_of_videos_channel(get_channel_id(base_url))
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def get_channel_search_json(channel_id, query, page):
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offset = proto.unpadded_b64encode(proto.uint(3, (page-1)*30))
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params = proto.string(2, 'search') + proto.string(15, offset)
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params = proto.percent_b64encode(params)
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ctoken = proto.string(2, channel_id) + proto.string(3, params) + proto.string(11, query)
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ctoken = base64.urlsafe_b64encode(proto.nested(80226972, ctoken)).decode('ascii')
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key = 'AIzaSyAO_FJ2SlqU8Q4STEHLGCilw_Y9_11qcW8'
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url = 'https://www.youtube.com/youtubei/v1/browse?key=' + key
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data = {
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'context': {
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'client': {
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'hl': 'en',
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'gl': 'US',
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'clientName': 'WEB',
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'clientVersion': '2.20240327.00.00',
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},
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},
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'continuation': ctoken,
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}
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content_type_header = (('Content-Type', 'application/json'),)
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polymer_json = util.fetch_url(
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url, headers_desktop + content_type_header,
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data=json.dumps(data), debug_name='channel_search')
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return polymer_json
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def post_process_channel_info(info):
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info['avatar'] = util.prefix_url(info['avatar'])
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info['channel_url'] = util.prefix_url(info['channel_url'])
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for item in info['items']:
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# For playlists, use first_video_id for thumbnail, not playlist id
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if item.get('type') == 'playlist' and item.get('first_video_id'):
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item['thumbnail'] = "https://i.ytimg.com/vi/{}/hq720.jpg".format(item['first_video_id'])
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elif item.get('type') == 'video':
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item['thumbnail'] = "https://i.ytimg.com/vi/{}/hq720.jpg".format(item['id'])
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# For channels and other types, keep existing thumbnail
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util.prefix_urls(item)
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util.add_extra_html_info(item)
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if info['current_tab'] == 'about':
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for i, (text, url) in enumerate(info['links']):
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if isinstance(url, str) and util.YOUTUBE_URL_RE.fullmatch(url):
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info['links'][i] = (text, util.prefix_url(url))
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def get_channel_first_page(base_url=None, tab='videos', channel_id=None, sort=None):
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if channel_id:
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base_url = 'https://www.youtube.com/channel/' + channel_id
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# Build URL with sort parameter
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# YouTube URL sort params: p=popular, dd=newest, lad=newest no shorts
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# Note: 'da' (oldest) was removed by YouTube in January 2026
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url = base_url + '/' + tab + '?pbj=1&view=0'
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if sort:
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# Map sort values to YouTube's URL parameter values
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sort_map = {'3': 'dd', '4': 'lad'}
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url += '&sort=' + sort_map.get(sort, 'dd')
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return util.fetch_url(url, headers_desktop, debug_name='gen_channel_' + tab)
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playlist_sort_codes = {'2': "da", '3': "dd", '4': "lad"}
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# youtube.com/[channel_id]/[tab]
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# youtube.com/user/[username]/[tab]
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# youtube.com/c/[custom]/[tab]
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# youtube.com/[custom]/[tab]
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def get_channel_page_general_url(base_url, tab, request, channel_id=None):
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page_number = int(request.args.get('page', 1))
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# sort 1: views
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# sort 2: oldest
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# sort 4: newest - no shorts (Just a kludge on our end, not internal to yt)
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default_sort = '3' if settings.include_shorts_in_channel else '4'
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sort = request.args.get('sort', default_sort)
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view = request.args.get('view', '1')
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query = request.args.get('query', '')
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ctoken = request.args.get('ctoken', '')
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include_shorts = (sort != '4')
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default_params = (page_number == 1 and sort in ('3', '4') and view == '1')
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continuation = bool(ctoken) # whether or not we're using a continuation
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page_size = 30
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try_channel_api = True
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polymer_json = None
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# Use the special UU playlist which contains all the channel's uploads
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if tab == 'videos' and sort in ('3', '4'):
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if not channel_id:
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channel_id = get_channel_id(base_url)
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if page_number == 1 and include_shorts:
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tasks = (
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gevent.spawn(playlist.playlist_first_page,
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'UU' + channel_id[2:],
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report_text='Retrieved channel videos'),
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gevent.spawn(get_metadata, channel_id),
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)
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gevent.joinall(tasks)
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util.check_gevent_exceptions(*tasks)
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# Ignore the metadata for now, it is cached and will be
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# recalled later
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pl_json = tasks[0].value
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pl_info = yt_data_extract.extract_playlist_info(pl_json)
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number_of_videos = pl_info['metadata']['video_count']
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if number_of_videos is None:
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number_of_videos = 1000
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else:
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set_cached_number_of_videos(channel_id, number_of_videos)
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else:
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tasks = (
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gevent.spawn(playlist.get_videos, 'UU' + channel_id[2:],
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page_number, include_shorts=include_shorts),
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gevent.spawn(get_metadata, channel_id),
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gevent.spawn(get_number_of_videos_channel, channel_id),
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)
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gevent.joinall(tasks)
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util.check_gevent_exceptions(*tasks)
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pl_json = tasks[0].value
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pl_info = yt_data_extract.extract_playlist_info(pl_json)
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number_of_videos = tasks[2].value
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info = pl_info
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info['channel_id'] = channel_id
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info['current_tab'] = 'videos'
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if info['items']: # Success
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page_size = 100
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try_channel_api = False
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else: # Try the first-page method next
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try_channel_api = True
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# Use the regular channel API
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if tab in ('shorts', 'streams') or (tab=='videos' and try_channel_api):
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if channel_id:
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num_videos_call = (get_number_of_videos_channel, channel_id)
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else:
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num_videos_call = (get_number_of_videos_general, base_url)
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# For page 1, use the first-page method which won't break
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# Pass sort parameter directly (2=oldest, 3=newest, etc.)
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if page_number == 1:
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# Always use first-page method for page 1 with sort parameter
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page_call = (get_channel_first_page, base_url, tab, None, sort)
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else:
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# For page 2+, we can't paginate without continuation tokens
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# This is a YouTube limitation, not our bug
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flask.abort(404, 'Pagination not available for this sort option. YouTube removed this feature.')
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tasks = (
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gevent.spawn(*num_videos_call),
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gevent.spawn(*page_call),
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)
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gevent.joinall(tasks)
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util.check_gevent_exceptions(*tasks)
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number_of_videos, polymer_json = tasks[0].value, tasks[1].value
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elif tab == 'about':
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# polymer_json = util.fetch_url(base_url + '/about?pbj=1', headers_desktop, debug_name='gen_channel_about')
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channel_id = get_channel_id(base_url)
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ctoken = channel_about_ctoken(channel_id)
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polymer_json = util.call_youtube_api('web', 'browse', {
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'continuation': ctoken,
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})
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continuation=True
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elif tab == 'playlists' and page_number == 1:
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# Use youtubei API instead of deprecated pbj=1 format
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if not channel_id:
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channel_id = get_channel_id(base_url)
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ctoken = channel_ctoken_v3(channel_id, page='1', sort=sort, tab='playlists', view=view)
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polymer_json = util.call_youtube_api('web', 'browse', {
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'continuation': ctoken,
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})
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continuation = True
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elif tab == 'playlists':
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polymer_json = get_channel_tab(channel_id, page_number, sort,
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'playlists', view)
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continuation = True
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elif tab == 'search' and channel_id:
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polymer_json = get_channel_search_json(channel_id, query, page_number)
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elif tab == 'search':
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url = base_url + '/search?pbj=1&query=' + urllib.parse.quote(query, safe='')
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polymer_json = util.fetch_url(url, headers_desktop, debug_name='gen_channel_search')
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elif tab == 'videos':
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pass
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else:
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flask.abort(404, 'Unknown channel tab: ' + tab)
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if polymer_json is not None:
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info = yt_data_extract.extract_channel_info(
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json.loads(polymer_json), tab, continuation=continuation
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)
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if info['error'] is not None:
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return flask.render_template('error.html', error_message=info['error'])
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if channel_id:
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info['channel_url'] = 'https://www.youtube.com/channel/' + channel_id
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info['channel_id'] = channel_id
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else:
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channel_id = info['channel_id']
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# Will have microformat present, cache metadata while we have it
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if channel_id and default_params and tab not in ('videos', 'about'):
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metadata = extract_metadata_for_caching(info)
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set_cached_metadata(channel_id, metadata)
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# Otherwise, populate with our (hopefully cached) metadata
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elif channel_id and info.get('channel_name') is None:
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metadata = get_metadata(channel_id)
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for key, value in metadata.items():
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yt_data_extract.conservative_update(info, key, value)
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# need to add this metadata to the videos/playlists
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additional_info = {
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'author': info['channel_name'],
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'author_id': info['channel_id'],
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'author_url': info['channel_url'],
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}
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for item in info['items']:
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item.update(additional_info)
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if tab in ('videos', 'shorts', 'streams'):
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info['number_of_videos'] = number_of_videos
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info['number_of_pages'] = math.ceil(number_of_videos/page_size)
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info['header_playlist_names'] = local_playlist.get_playlist_names()
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if tab in ('videos', 'shorts', 'streams', 'playlists'):
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info['current_sort'] = sort
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elif tab == 'search':
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info['search_box_value'] = query
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info['header_playlist_names'] = local_playlist.get_playlist_names()
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if tab in ('search', 'playlists'):
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info['page_number'] = page_number
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info['subscribed'] = subscriptions.is_subscribed(info['channel_id'])
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post_process_channel_info(info)
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return flask.render_template('channel.html',
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parameters_dictionary = request.args,
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**info
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)
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@yt_app.route('/channel/<channel_id>/')
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@yt_app.route('/channel/<channel_id>/<tab>')
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def get_channel_page(channel_id, tab='videos'):
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return get_channel_page_general_url('https://www.youtube.com/channel/' + channel_id, tab, request, channel_id)
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@yt_app.route('/user/<username>/')
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@yt_app.route('/user/<username>/<tab>')
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def get_user_page(username, tab='videos'):
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return get_channel_page_general_url('https://www.youtube.com/user/' + username, tab, request)
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@yt_app.route('/c/<custom>/')
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@yt_app.route('/c/<custom>/<tab>')
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def get_custom_c_page(custom, tab='videos'):
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return get_channel_page_general_url('https://www.youtube.com/c/' + custom, tab, request)
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@yt_app.route('/<custom>')
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@yt_app.route('/<custom>/<tab>')
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def get_toplevel_custom_page(custom, tab='videos'):
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return get_channel_page_general_url('https://www.youtube.com/' + custom, tab, request)
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