python抓取腾讯视频弹幕_Python爬虫练习：腾讯视频弹幕数据采集

好的，以下是使用 Python 抓取腾讯视频弹幕的步骤：

1. 打开腾讯视频网站，找到需要抓取弹幕的视频。
2. 进入视频播放页面，按 F12 打开开发者工具，选择「网络」选项卡。
3. 在开发者工具中输入弹幕发送区的内容，点击发送按钮，观察网络请求的情况。通常情况下，会有一个 POST 请求发送弹幕数据，返回弹幕数据的 URL。
4. 使用 Python 发送与浏览器相同的 POST 请求，获取弹幕数据。
5. 解析弹幕数据，获取需要的信息。

以下是具体的代码实现：

import requests
import json

# 腾讯视频弹幕接口
url = 'https://mfm.video.qq.com/danmu?otype=json&target_id=xxx&timestamp=xxx&count=xxx&second_count=xxx&session_key=xxx'

# 替换为需要抓取弹幕的视频 target_id 和 session_key
target_id = 'xxxxxxx'
session_key = 'xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx'

# 获取弹幕数据
def get_danmu_data():
    # 替换为当前时间戳
    timestamp = 'xxxxxxx'
    # 替换为需要抓取的弹幕数量
    count = 'xxxxxxx'
    # 替换为需要抓取的二级弹幕数量
    second_count = 'xxxxxxx'
    headers = {
        'referer': 'https://v.qq.com/',
        'cookie': 'pgv_pvi=xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx; pgv_si=xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx;'
    }
    headers['cookie'] += 'pgv_pvid=xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx;'
    url_with_params = url.replace('xxx', timestamp).replace('xxx', count).replace('xxx', second_count).replace('xxx', session_key).replace('xxx', target_id)
    response = requests.post(url_with_params, headers=headers)
    data = json.loads(response.content.decode('utf-8'))
    return data

# 解析弹幕数据
def parse_danmu_data(data):
    for item in data['comments']:
        print(item['content'])

# 测试
if __name__ == '__main__':
    data = get_danmu_data()
    parse_danmu_data(data)

注意：该代码仅供学习参考，请勿用于非法用途。