youtube_prod_mysql/download_video.py

import time
from LoggerUtils import Logger, initLogger
from bs4 import BeautifulSoup as bs
from urllib.request import urlopen, Request
import json
import Contant
from sqlalchemy import create_engine
from entity.DownloadInfoEntity import DownloadInfo
from service.DownloadInfoService import DownloadInfoService
from common.YoutubeUtils import YouTubeUtil
from common.DownloadUtils import DownloadUtil
import operator
import argparse


if __name__ == "__main__":
    # 读取配置文件
    with open('download_video_config.json', 'r', encoding='utf-8') as f:
        # 使用json.load()方法读取文件内容
        data = json.load(f)

    # 初始化日志
    Contant.logDir = data['log']['dir']
    Contant.logFileName = data['log']['fileName']
    initLogger(Contant.logDir, Contant.logFileName)

    # 连接mysql
    dbHost = data['mysql']['host']
    dbPort = data['mysql']['port']
    dbUserName = data['mysql']['username']
    dbPassword = data['mysql']['password']
    dbDatabase = data['mysql']['database']
    Logger.info("尝试连接mysql host:'{}' port:'{}' username:'{}' password:'{}' database:'{}'",
                dbHost, dbPort, dbUserName, dbPassword, dbDatabase)
    Contant.engin = create_engine(
        f'mysql+mysqlconnector://{dbUserName}:{dbPassword}@{dbHost}:{dbPort}/{dbDatabase}')
    Logger.info("连接mysql成功")

    # 获取一个未下载的video
    downloadRootPath = data['download_root_path']
    if downloadRootPath == "" or downloadRootPath == None:
        Logger.error("downloadRootPath配置错误...")
        exit
    Logger.info(f"downloadRootPaht: '{downloadRootPath}'")
    downloadInfo: DownloadInfo = DownloadInfoService.getOneNoFinish()
    if downloadInfo != None:
        Logger.info("开始下载videoId:{}".format(downloadInfo.videoId))
        # TODO 下载字幕文件或音频文件
        DownloadUtil.downloadOne(downloadInfo.videoId, downloadRootPath)
        # 重新获取下一个下载任务
        downloadInfo: DownloadInfo = DownloadInfoService.getOneNoFinish()
    else:
        Logger.info("完成下载")