今天听 B 站的音乐，都是 up 主精心制作的音乐，非常好听。
想如何能下载到我的电脑上慢慢听呢，于是在网上找了半天，终于让我找到了一个 python 写的爬虫程序，稍加改动后成功将音乐和视频下载了下来。
import json
import os
import re
import shutil
import ssl
import time
import requests
from concurrent.futures import ThreadPoolExecutor
from random import choice
from lxml import etree
from rich import print
# '''获取随机用户代理'''
def get_user_agent():
user_agents = [
"Mozilla/4.0 (compatible; MSIE 6.0; Windows NT 5.1; SV1; AcooBrowser; .NET CLR 1.1.4322; .NET CLR 2.0.50727)",
"Mozilla/4.0 (compatible; MSIE 7.0; Windows NT 6.0; Acoo Browser; SLCC1; .NET CLR 2.0.50727; Media Center PC 5.0; .NET CLR 3.0.04506)",
"Mozilla/4.0 (compatible; MSIE 7.0; AOL 9.5; AOLBuild 4337.35; Windows NT 5.1; .NET CLR 1.1.4322; .NET CLR 2.0.50727)",
"Mozilla/5.0 (Windows; U; MSIE 9.0; Windows NT 9.0; en-US)",
"Mozilla/5.0 (compatible; MSIE 9.0; Windows NT 6.1; Win64; x64; Trident/5.0; .NET CLR 3.5.30729; .NET CLR 3.0.30729; .NET CLR 2.0.50727; Media Center PC 6.0)",
"Mozilla/5.0 (compatible; MSIE 8.0; Windows NT 6.0; Trident/4.0; WOW64; Trident/4.0; SLCC2; .NET CLR 2.0.50727; .NET CLR 3.5.30729; .NET CLR 3.0.30729; .NET CLR 1.0.3705; .NET CLR 1.1.4322)",
"Mozilla/4.0 (compatible; MSIE 7.0b; Windows NT 5.2; .NET CLR 1.1.4322; .NET CLR 2.0.50727; InfoPath.2; .NET CLR 3.0.04506.30)",
"Mozilla/5.0 (Windows; U; Windows NT 5.1; zh-CN) AppleWebKit/523.15 (KHTML, like Gecko, Safari/419.3) Arora/0.3 (Change: 287 c9dfb30)",
"Mozilla/5.0 (X11; U; Linux; en-US) AppleWebKit/527+ (KHTML, like Gecko, Safari/419.3) Arora/0.6",
"Mozilla/5.0 (Windows; U; Windows NT 5.1; en-US; rv:1.8.1.2pre) Gecko/20070215 K-Ninja/2.1.1",
"Mozilla/5.0 (Windows; U; Windows NT 5.1; zh-CN; rv:1.9) Gecko/20080705 Firefox/3.0 Kapiko/3.0",
"Mozilla/5.0 (X11; Linux i686; U;) Gecko/20070322 Kazehakase/0.4.5",
"Mozilla/5.0 (X11; U; Linux i686; en-US; rv:1.9.0.8) Gecko Fedora/1.9.0.8-1.fc10 Kazehakase/0.5.6",
"Mozilla/5.0 (Windows NT 6.1; WOW64) AppleWebKit/535.11 (KHTML, like Gecko) Chrome/17.0.963.56 Safari/535.11",
"Mozilla/5.0 (Macintosh; Intel Mac OS X 10_7_3) AppleWebKit/535.20 (KHTML, like Gecko) Chrome/19.0.1036.7 Safari/535.20",
"Opera/9.80 (Macintosh; Intel Mac OS X 10.6.8; U; fr) Presto/2.9.168 Version/11.52",
"Mozilla/5.0 (Windows NT 6.1; WOW64) AppleWebKit/536.11 (KHTML, like Gecko) Chrome/20.0.1132.11 TaoBrowser/2.0 Safari/536.11",
"Mozilla/5.0 (Windows NT 6.1; WOW64) AppleWebKit/537.1 (KHTML, like Gecko) Chrome/21.0.1180.71 Safari/537.1 LBBROWSER",
"Mozilla/5.0 (compatible; MSIE 9.0; Windows NT 6.1; WOW64; Trident/5.0; SLCC2; .NET CLR 2.0.50727; .NET CLR 3.5.30729; .NET CLR 3.0.30729; Media Center PC 6.0; .NET4.0C; .NET4.0E; LBBROWSER)",
"Mozilla/4.0 (compatible; MSIE 6.0; Windows NT 5.1; SV1; QQDownload 732; .NET4.0C; .NET4.0E; LBBROWSER)",
"Mozilla/5.0 (Windows NT 6.1; WOW64) AppleWebKit/535.11 (KHTML, like Gecko) Chrome/17.0.963.84 Safari/535.11 LBBROWSER",
"Mozilla/4.0 (compatible; MSIE 7.0; Windows NT 6.1; WOW64; Trident/5.0; SLCC2; .NET CLR 2.0.50727; .NET CLR 3.5.30729; .NET CLR 3.0.30729; Media Center PC 6.0; .NET4.0C; .NET4.0E)",
"Mozilla/5.0 (compatible; MSIE 9.0; Windows NT 6.1; WOW64; Trident/5.0; SLCC2; .NET CLR 2.0.50727; .NET CLR 3.5.30729; .NET CLR 3.0.30729; Media Center PC 6.0; .NET4.0C; .NET4.0E; QQBrowser/7.0.3698.400)",
"Mozilla/4.0 (compatible; MSIE 6.0; Windows NT 5.1; SV1; QQDownload 732; .NET4.0C; .NET4.0E)",
"Mozilla/4.0 (compatible; MSIE 7.0; Windows NT 5.1; Trident/4.0; SV1; QQDownload 732; .NET4.0C; .NET4.0E; 360SE)",
"Mozilla/4.0 (compatible; MSIE 6.0; Windows NT 5.1; SV1; QQDownload 732; .NET4.0C; .NET4.0E)",
"Mozilla/4.0 (compatible; MSIE 7.0; Windows NT 6.1; WOW64; Trident/5.0; SLCC2; .NET CLR 2.0.50727; .NET CLR 3.5.30729; .NET CLR 3.0.30729; Media Center PC 6.0; .NET4.0C; .NET4.0E)",
"Mozilla/5.0 (Windows NT 5.1) AppleWebKit/537.1 (KHTML, like Gecko) Chrome/21.0.1180.89 Safari/537.1",
"Mozilla/5.0 (Windows NT 6.1; WOW64) AppleWebKit/537.1 (KHTML, like Gecko) Chrome/21.0.1180.89 Safari/537.1",
"Mozilla/5.0 (iPad; U; CPU OS 4_2_1 like Mac OS X; zh-cn) AppleWebKit/533.17.9 (KHTML, like Gecko) Version/5.0.2 Mobile/8C148 Safari/6533.18.5",
"Mozilla/5.0 (Windows NT 6.1; Win64; x64; rv:2.0b13pre) Gecko/20110307 Firefox/4.0b13pre",
"Mozilla/5.0 (X11; Ubuntu; Linux x86_64; rv:16.0) Gecko/20100101 Firefox/16.0",
"Mozilla/5.0 (Windows NT 6.1; WOW64) AppleWebKit/537.11 (KHTML, like Gecko) Chrome/23.0.1271.64 Safari/537.11",
"Mozilla/5.0 (X11; U; Linux x86_64; zh-CN; rv:1.9.2.10) Gecko/20100922 Ubuntu/10.10 (maverick) Firefox/3.6.10",
"MQQBrowser/26 Mozilla/5.0 (Linux; U; Android 2.3.7; zh-cn; MB200 Build/GRJ22; CyanogenMod-7) AppleWebKit/533.1 (KHTML, like Gecko) Version/4.0 Mobile Safari/533.1",
"Mozilla/5.0 (iPhone; CPU iPhone OS 9_1 like Mac OS X) AppleWebKit/601.1.46 (KHTML, like Gecko) Version/9.0 Mobile/13B143 Safari/601.1",
"Mozilla/5.0 (Linux; Android 5.1.1; Nexus 6 Build/LYZ28E) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/48.0.2564.23 Mobile Safari/537.36",
"Mozilla/5.0 (iPod; U; CPU iPhone OS 2_1 like Mac OS X; ja-jp) AppleWebKit/525.18.1 (KHTML, like Gecko) Version/3.1.1 Mobile/5F137 Safari/525.20",
"Mozilla/5.0 (Linux;u;Android 4.2.2;zh-cn;) AppleWebKit/534.46 (KHTML,like Gecko) Version/5.1 Mobile Safari/10600.6.3 (compatible; Baiduspider/2.0; +http://www.baidu.com/search/spider.html)",
"Mozilla/5.0 (compatible; Baiduspider/2.0; +http://www.baidu.com/search/spider.html）"
]
# 在user_agent列表中随机产生一个代理，作为模拟的浏览器
user_agent = choice(user_agents)
return user_agent
#设置请求头等参数，防止被反爬
headers = {
'Accept': '*/*',
'Accept-Language': 'en-US,en;q=0.5',
# 'User-Agent': 'Mozilla/5.0 (Windows NT 10.0; WOW64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/80.0.3987.116 Safari/537.36'
'User-Agent': get_user_agent()
}
# '''利用正则表达式匹配出视频信息并转化成json'''
def re_video_info(text, pattern):
match = re.search(pattern, text)
# print(match.group(1))
return json.loads(match.group(1))
# '''单个视频实现下载'''
def single_download(aid, acc_quality):
# 请求视频链接，获取信息
origin_video_url = 'https://www.bilibili.com/video/' + aid
res = requests.get(origin_video_url, headers=headers)
html = etree.HTML(res.text)
title = html.xpath('//*[@id="viewbox_report"]/h1/text()')[0].strip( '"' ).replace(" ", "")
print('您当前正在下载：', title)
video_info_temp = re_video_info(res.text, '__playinfo__=(.*?)</script>')
video_info = {}
print(video_info_temp['data']['accept_description'])
# 获取视频质量
quality = video_info_temp['data']['accept_description'][acc_quality]
# 获取视频时长
video_info['duration'] = video_info_temp['data']['dash']['duration']
# 获取视频链接
video_url = video_info_temp['data']['dash']['video'][acc_quality]['baseUrl']
# 获取音频链接
audio_url = video_info_temp['data']['dash']['audio'][acc_quality]['baseUrl']
# 计算视频时长
video_time = int(video_info.get('duration', 0))
video_minute = video_time // 60
video_second = video_time % 60
print('当前视频清晰度为{}，时长{}分{}秒'.format(quality, video_minute, video_second))
# 调用函数下载保存视频
download_video_single(origin_video_url, video_url, audio_url, title)
'''单个视频下载'''
def download_video_single(referer_url, video_url, audio_url, video_name):
# 更新请求头
headers.update({"Referer": referer_url})
print("视频下载开始：%s" % video_name)
# 下载并保存视频
# video_content = requests.get(video_url, headers=headers)
# print('%s\t视频大小：' % video_name, round(int(video_content.headers.get('content-length', 0)) / 1024 / 1024, 2), '\tMB')
# received_video = 0
# with open('%s_video.mp4' % video_name, 'ab') as output:
# headers['Range'] = 'bytes=' + str(received_video) + '-'
# response = requests.get(video_url, headers=headers)
# output.write(response.content)
# 下载并保存音频
audio_content = requests.get(audio_url, headers=headers)
print('%s\t音频大小：' % video_name, round(int(audio_content.headers.get('content-length', 0)) / 1024 / 1024, 2), '\tMB')
received_audio = 0
with open('%s_audio.mp3' % video_name, 'ab') as output:
headers['Range'] = 'bytes=' + str(received_audio) + '-'
response = requests.get(audio_url, headers=headers)
output.write(response.content)
received_audio += len(response.content)
print("视频下载结束：%s" % video_name)
# video_audio_merge_single(video_name)
# '''使用ffmpeg单个视频音频合并'''
def video_audio_merge_single(video_name):
print("视频合成开始：%s" % video_name)
import subprocess
command = 'ffmpeg -i %s_video.mp4 -i %s_audio.mp3 -c copy %s.mp4 -y -loglevel quiet' % (
video_name.replace(" ", ""), video_name.replace(" ", ""), video_name.replace(" ", ""))
print(command)
subprocess.Popen(command, shell=True)
print("视频合成结束：%s" % video_name)
single_download('BV1p24y1d7bK',0)