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Yotter/youtube_data/comments.py
pluja ed055be0b5 Improve comments UI
Adds author like and sytles better
2020-10-07 16:49:42 +02:00

131 lines
4.8 KiB
Python

from youtube_data import proto
import json
import base64
import urllib
import requests
import re
import bleach
from flask import Markup
URL_ORIGIN = "/https://www.youtube.com"
def make_comment_ctoken(video_id, sort=0, offset=0, lc='', secret_key=''):
video_id = proto.as_bytes(video_id)
secret_key = proto.as_bytes(secret_key)
page_info = proto.string(4,video_id) + proto.uint(6, sort)
offset_information = proto.nested(4, page_info) + proto.uint(5, offset)
if secret_key:
offset_information = proto.string(1, secret_key) + offset_information
page_params = proto.string(2, video_id)
if lc:
page_params += proto.string(6, proto.percent_b64encode(proto.string(15, lc)))
result = proto.nested(2, page_params) + proto.uint(3,6) + proto.nested(6, offset_information)
return base64.urlsafe_b64encode(result).decode('ascii')
def comment_replies_ctoken(video_id, comment_id, max_results=500):
params = proto.string(2, comment_id) + proto.uint(9, max_results)
params = proto.nested(3, params)
result = proto.nested(2, proto.string(2, video_id)) + proto.uint(3,6) + proto.nested(6, params)
return base64.urlsafe_b64encode(result).decode('ascii')
mobile_headers = {
'User-Agent': 'Mozilla/5.0 (iPhone; CPU iPhone OS 10_3_1 like Mac OS X) AppleWebKit/603.1.30 (KHTML, like Gecko) Version/10.0 Mobile/14E304 Safari/602.1',
'Accept': '*/*',
'Accept-Language': 'en-US,en;q=0.5',
'X-YouTube-Client-Name': '2',
'X-YouTube-Client-Version': '2.20180823',
}
def request_comments(ctoken, replies=False):
if replies: # let's make it use different urls for no reason despite all the data being encoded
base_url = "https://m.youtube.com/watch_comment?action_get_comment_replies=1&ctoken="
else:
base_url = "https://m.youtube.com/watch_comment?action_get_comments=1&ctoken="
url = base_url + ctoken.replace("=", "%3D") + "&pbj=1"
for i in range(0,8): # don't retry more than 8 times
content = requests.get(url, headers=mobile_headers).text
if content[0:4] == b")]}'": # random closing characters included at beginning of response for some reason
content = content[4:]
elif content[0:10] == b'\n<!DOCTYPE': # occasionally returns html instead of json for no reason
content = b''
print("got <!DOCTYPE>, retrying")
continue
break
polymer_json = json.loads(content)
return polymer_json
def single_comment_ctoken(video_id, comment_id):
page_params = proto.string(2, video_id) + proto.string(6, proto.percent_b64encode(proto.string(15, comment_id)))
result = proto.nested(2, page_params) + proto.uint(3,6)
return base64.urlsafe_b64encode(result).decode('ascii')
def concat_texts(strings):
'''Concatenates strings. Returns None if any of the arguments are None'''
result = ''
for string in strings:
if string['text'] is None:
return None
result += string['text']
return result
def parse_comment(raw_comment):
cmnt = {}
print(raw_comment)
raw_comment = raw_comment['commentThreadRenderer']['comment']['commentRenderer']
imgHostName = urllib.parse.urlparse(raw_comment['authorThumbnail']['thumbnails'][0]['url']).netloc
cmnt['author'] = raw_comment['authorText']['runs'][0]['text']
cmnt['thumbnail'] = raw_comment['authorThumbnail']['thumbnails'][0]['url'].replace("https://{}".format(imgHostName), "")+"?host="+imgHostName
cmnt['channel'] = raw_comment['authorEndpoint']['commandMetadata']['webCommandMetadata']['url']
cmnt['text'] = Markup(bleach.linkify(concat_texts(raw_comment['contentText']['runs']).replace("\n", "<br>")))
cmnt['date'] = raw_comment['publishedTimeText']['runs'][0]['text']
try:
cmnt['creatorHeart'] = raw_comment['creatorHeart']['creatorHeartRenderer']['creatorThumbnail']['thumbnails'][0]['url']
except:
cmnt['creatorHeart'] = False
try:
cmnt['likes'] = raw_comment['likeCount']
except:
cmnt['likes'] = 0
try:
cmnt['replies'] = raw_comment['replyCount']
except:
cmnt['replies'] = 0
cmnt['authorIsChannelOwner'] = raw_comment['authorIsChannelOwner']
try:
cmnt['pinned'] = raw_comment['pinnedCommentBadge']
cmnt['pinned'] = True
except:
cmnt['pinned'] = False
return cmnt
def post_process_comments_info(comments_info):
comments = []
for comment in comments_info[1]['response']['continuationContents']['commentSectionContinuation']['items']:
comments.append(parse_comment(comment))
return comments
def video_comments(video_id, sort=0, offset=0, lc='', secret_key=''):
comments_info = request_comments(make_comment_ctoken(video_id, sort, offset, lc, secret_key))
comments_info = post_process_comments_info(comments_info)
return comments_info
return {}