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# bullet screen为弹幕
"""
说明：
"""
import re
import requests
from bs4 import BeautifulSoup
from bv_maker import get_bv , BV_NUM
" https://api.bilibili.com/x/v1/dm/list.so?oid= " # 获取b站弹幕api,需要提供bv号获取cid
" https://comment.bilibili.com/ {cid} .xml " # 提供bv号获取cid
header = {
" user-agent " : " Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/128.0.0.0 Safari/537.36 Edg/128.0.0.0 " , #UA
" referer " : " https://www.bilibili.com/ " #溯源 反反爬
}
def get_bullet_screen ( bv_list ) :
"""
通过bv号获取视频cid，
:param bv_list:
:return: bullet_screen_list
"""
bullet_screen_list = [ ] #存放弹幕
for bv in bv_list :
cid_url = f " https://api.bilibili.com/x/player/pagelist?bvid= { bv } &jsonp=jsonp "
resp1 = requests . get ( cid_url , headers = header )
# print(resp1.json())
dict = resp1 . json ( )
cid = dict [ " data " ] [ 0 ] [ " cid " ] #获取字典中的cid
api_url = f " https://comment.bilibili.com/ { cid } .xml "
resp2 = requests . get ( api_url , headers = header )
resp2 . encoding = " utf-8 " #设置对应的字符集
# print(resp2.text)
xml = BeautifulSoup ( resp2 . text , " xml " ) #使用xml需要安装lxml库
ds = xml . find_all ( " d " ) #爬取所有的弹幕
for d in ds :
bullet_screen_list . append ( d . text ) #将弹幕写入列表
print ( f " 爬取 { bv } 的弹幕成功 " )
return bullet_screen_list
if __name__ == ' __main__ ' :
bv_list = get_bv ( BV_NUM )
print ( bv_list )
print ( get_bullet_screen ( bv_list ) )
