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nddl
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import gradio as gr
# coding: utf-8
# Your code here!

import requests
from bs4 import BeautifulSoup
import html
import os
import json


def dlvid(vid):
    s = requests.Session()
    url = f"https://www.nicovideo.jp/watch/{vid}"
    headers = {
        'user-agent': 'Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/124.0.0.0 Safari/537.36 Edg/124.0.0.0',
    }
    
    # 发送请求
    response = s.get(url, headers=headers)
    if response.status_code == 200:
        # 解析 HTML
        soup = BeautifulSoup(response.text, 'html.parser')
        # 获取 data-api-data 的值
        data_api_data = soup.find('div', id='js-initial-watch-data').get('data-api-data')
        # 对值进行 HTML 解码并转换为 JSON
        json_data = json.loads(html.unescape(data_api_data))
        # 在此处你可以将 JSON 数据加载并进行显示
    
        # 解析 json_data 为字典
        client_watchTrackId = json_data['client']['watchTrackId']
        accessRightKey = json_data['media']['domand']['accessRightKey']
        
        url = f"https://nvapi.nicovideo.jp/v1/watch/{vid}/access-rights/hls?actionTrackId={client_watchTrackId}"
        
        payload = json.dumps({
          "outputs": [
            [
              "video-h264-720p",
              "audio-aac-192kbps"
            ]
          ]
        })
        headers = {
          'origin': 'https://www.nicovideo.jp',
          'referer': 'https://www.nicovideo.jp/',
          'user-agent': 'Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/124.0.0.0 Safari/537.36 Edg/124.0.0.0',
          'x-access-right-key': accessRightKey,
          'x-frontend-id': '6',
          'x-frontend-version': '0',
          'x-request-with': 'https://www.nicovideo.jp'
        }
        
        response = s.request("POST", url, headers=headers, data=payload)
        
        hlsjson=response.json()
        hlsuri=hlsjson['data']['contentUrl']
        # 删除可能存在的旧的 test.mp4 文件
        if os.path.exists("test.mp4"):
            os.remove("test.mp4")
        
        # 使用 ffmpeg 将 m3u8 转换为 mp4
        cookie_dict = s.cookies.get_dict()
        cookie_string = ''
        for key, value in cookie_dict.items():
            cookie_string += f'{key}={value}; path=/; domain=nicovideo.jp; \r\n'

        ffmpeg_command = f'ffmpeg -protocol_whitelist "concat,file,http,https,tcp,tls,crypto" -cookies "{cookie_string}"  -i "{hlsuri}" -c copy  "test.mp4"'
        print(ffmpeg_command)
        os.system(ffmpeg_command)
        return './test.mp4'
    else:
        print("请求失败:", response.status_code)


demo = gr.Interface(fn=dlvid, inputs="text", outputs="video")
demo.launch()