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import time
from typing import List
import requests
import re
from urllib import parse
from concurrent.futures import ThreadPoolExecutor, as_completed
class BilibiliVideoSpider:
def __init__(self, session_cookie: str, user_agent: str):
self.session_cookie = session_cookie
self.user_agent = user_agent
def search_videos(self, keyword: str, page: int, page_size: int) -> list:
headers = {
"Accept": "application/json, text/plain, */*",
"Accept-Encoding": "gzip, deflate, br",
"Accept-Language": "zh-CN,zh;q=0.9,en;q=0.8",
"Cache-Control": "no-cache",
"Cookie": self.session_cookie,
"Origin": "https://search.bilibili.com",
"Pragma": "no-cache",
"Referer": f"https://search.bilibili.com/all?keyword={parse.quote(keyword)}",
"User-Agent": self.user_agent,
}
params = {
"search_type": "video",
"page": page,
"page_size": page_size,
"keyword": keyword,
}
while True:
try:
response = requests.get("https://api.bilibili.com/x/web-interface/search/type", headers=headers, params=params).json()
if response.get('code') == 0:
return [item['id'] for item in response['data'].get('result', [])]
except Exception as error:
print(f"Error fetching search results: {error}")
time.sleep(1)
continue # Retry the request if it fails
def retrieve_cid(self, aid: int) -> int:
headers = {
"Accept": "application/json, text/plain, */*",
"User-Agent": self.user_agent,
"Cookie": self.session_cookie,
}
response = requests.get(f"https://api.bilibili.com/x/player/pagelist?aid={aid}&bvid=", headers=headers)
if response.status_code == 200:
data = response.json()
if data and 'data' in data and len(data['data']) > 0:
return data['data'][0]['cid']
raise ValueError(f"No video found for aid {aid}.")
def fetch_danmaku(self, aid: int) -> List[str]:
headers = {
"Accept": "text/html,application/xhtml+xml,application/xml;q=0.9,image/avif,image/webp,image/apng,*/*;q=0.8",
"Cookie": self.session_cookie,
"User-Agent": self.user_agent
}
response = requests.get(f'https://api.bilibili.com/x/v1/dm/list.so?oid={aid}', headers=headers)
response.encoding = 'utf-8'
if response.status_code == 200:
return re.findall('<d p=".*?">(.+?)</d>', response.text)
else:
print(f"Failed to fetch danmaku for aid {aid}")
return []
def fetch_bullet_screen(spider: BilibiliVideoSpider, aid: int) -> List[str]:
try:
print(f"Fetching bullet screen for video with aid {aid}...")
cid = spider.retrieve_cid(aid)
return spider.fetch_danmaku(cid)
except Exception as error:
print(f"Error fetching data for aid {aid}: {error}")
return []
def main():
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"
session_cookie = "YOUR_COOKIE" # Replace with your actual cookie
spider = BilibiliVideoSpider(session_cookie, user_agent)
keyword = "2024巴黎奥运会"
results_per_page = 30
total_pages = 10
all_danmaku = []
with ThreadPoolExecutor(max_workers=10) as executor:
futures = []
for page in range(1, total_pages + 1):
print(f"Fetching search results for page {page}...")
aids = spider.search_videos(keyword, page, results_per_page)
for aid in aids:
futures.append(executor.submit(fetch_bullet_screen, spider, aid))
for future in as_completed(futures):
all_danmaku.extend(future.result())
print(f"Total bullet screens fetched: {len(all_danmaku)}")
# 将弹幕数据保存到 "弹幕.txt" 文件
with open("弹幕.txt", mode='w', encoding="utf-8") as file: # 以写入模式打开文件
for danmaku in all_danmaku: # 遍历所有弹幕数据
file.write(danmaku + '\n') # 将弹幕数据写入文件
if __name__ == "__main__":
main()