mac下使用pyhon+mimtdump 爬取m3u8

# -*- coding: utf-8 -*-
import json
import threading

import requests
import subprocess, sys, os


def check_json_format(raw_msg):
    """ 用于判断一个字符串是否符合Json格式 :param self: :return: """
    if isinstance(raw_msg, str):  # 首先判断变量是否为字符串
        try:
            json.loads(raw_msg, encoding='utf-8')
        except ValueError:
            return False
        return True
    else:
        return False


def response(flow):
	#例如：
    # https://open.com/43567890/TYUI678/678iu.m3u8
    # http://abc.com/api/play/5678?uuid=tyu567tyu789&device=0

    url = 'api/play'
    if url in flow.request.url:
        text = flow.response.text
        if check_json_format(text):
            data_json = json.loads(text)
            if data_json and data_json.get('resp').get('path'): #判断json中有这些节点
                rescont = data_json.get('resp')
                videopath = rescont.get('path')
                title = rescont.get('title')
                print(videopath)
                filename = title + '.mp4'
                print(filename)
                t = threading.Thread(target=exec_cmd(videopath, filename))  # 创建一个线程
                t.start()  # 启动线程
                print( filename,'下载完成')


def exec_cmd(videopath, filename):
    cmd = 'ffmpeg -i ' + videopath + ' -c copy ' + filename
    print(cmd)
    cmd = cmd.encode(sys.getfilesystemencoding())
    print(cmd)
    subprocess.call(cmd, shell=True)