好看視頻是百度旗下的短視頻平臺，里面有海量好看的短視頻，遇到我們喜歡的，要如何下載呢。
下面直接給出python語言中地址的解析及各種不同格式視頻的下載。
#encoding:utf-8
# 好看視頻下載
import socket
from urllib.request import urlopen
import urllib
import re
import time
from pyquery import PyQuery as pq
import requests
from tqdm import tqdm # 打印進度條的庫
import gzip
print('程序開始運行。。。')
requests.adapters.DEFAULT_RETRIES = 5
# connect to a URL
timeout = 30
socket.setdefaulttimeout(timeout)#這里對整個socket層設置超時時間。后續文件中如果再使用到socket，不必再設置
sleep_download_time = 3
time.sleep(sleep_download_time) #這里時間自己設定
# 輸入好看視頻地址
haokanurl = input('請輸入要下載的好看視頻的網頁地址：')
# haokanurl = 'https://haokan.baidu.com/v?vid=7448757459481911514&tab=yinyue_new'#示例地址
#為了避免出現403提示，這里偽裝瀏覽器
headers = {'User-Agent': 'Mozilla/5.0 (Windows NT 6.1; WOW64; rv:23.0) Gecko/20100101 Firefox/23.0'}
req = urllib.request.Request(url=haokanurl, headers=headers)
website = urlopen(req,timeout = 90)
print('好看視頻下載地址解析中')
# read html code
html = website.read().decode('UTF-8')
#html = website.read().decode()
#當使用上面的直接decode()出錯時可以使用下面的方法
# html = website.read()
# buff = BytesIO(html)
# f = gzip.GzipFile(fileobj=buff)
# html = f.read().decode('utf-8')
website.close()
# use re.findall to get all the links
# 取得視頻名稱（標題）
videotitle = re.findall('<h1 class="videoinfo-title">(.*?)</h1>',html)[0]
print(videotitle)
# 默認地址
links = re.findall('"playurl":"(.*)","clarityUrl"',html)#默認地址
downurl = links[0]
downurl = downurl.replace('\\','')
print('視頻實際地址：')
print(downurl)
print('現在開始下載該視頻，請稍等。。。')
res = requests.get(downurl, headers={'user-agent': 'chrome'})
total_size = round(int(res.headers["Content-Length"])/1024/1024)
print('解析完成，視頻大小為：' + str(total_size) + 'MB。現在開始下載。')
with open(f'{videotitle}down.mp4', 'wb') as f:
for chunk in tqdm(iterable=res.iter_content(1024*1024), total=total_size, unit='KB'):\
f.write(chunk)
print('下載完成。')
sdlinks = re.findall('"key":"sd","rank":0,"title":"(.*?)","videoBps":',html)[0]#標清地址
sdlinks = re.findall('"url":"(.*)',sdlinks)
sdurl = sdlinks[0]
sdurl = sdurl.replace('\\','')
print('標清視頻地址是：')
print(sdurl)
print('現在開始下載標清視頻，請稍等。。。')
res = requests.get(sdurl, headers={'user-agent': 'chrome'})
total_size = round(int(res.headers["Content-Length"])/1024/1024)
print('解析完成，視頻大小為：' + str(total_size) + 'MB。現在開始下載。')
with open(f'{videotitle}標清.mp4', 'wb') as f:
for chunk in tqdm(iterable=res.iter_content(1024*1024), total=total_size, unit='KB'):\
f.write(chunk)
print('下載完成。')
hdlinks = re.findall('"key":"hd","rank":1,"title":"(.*?)","videoBps":',html)[0]#高清地址
hdlinks = re.findall('"url":"(.*)',hdlinks)
hdurl = hdlinks[0]
hdurl = hdurl.replace('\\','')
print('高清視頻地址是：')
print(hdurl)
print('現在開始下載高清視頻，請稍等。。。')
res = requests.get(hdurl, headers={'user-agent': 'chrome'})
total_size = round(int(res.headers["Content-Length"])/1024/1024)
print('解析完成，視頻大小為：' + str(total_size) + 'MB。現在開始下載。')
with open(f'{videotitle}高清.mp4', 'wb') as f:
for chunk in tqdm(iterable=res.iter_content(1024*1024), total=total_size, unit='KB'):\
f.write(chunk)
print('下載完成。')
sclinks = re.findall('"key":"sc","rank":2,"title":"(.*?)","videoBps":',html)[0]#超清地址
sclinks = re.findall('"url":"(.*)',sclinks)
scurl = sclinks[0]
scurl = scurl.replace('\\','')
print('超清視頻地址是：')
print(scurl)
print('現在開始下載超清視頻，請稍等。。。')
res = requests.get(scurl, headers={'user-agent': 'chrome'})
total_size = round(int(res.headers["Content-Length"])/1024/1024)
print('解析完成，視頻大小為：' + str(total_size) + 'MB。現在開始下載。')
with open(f'{videotitle}超清.mp4', 'wb') as f:
for chunk in tqdm(iterable=res.iter_content(1024*1024), total=total_size, unit='KB'):\
f.write(chunk)
print('下載完成。')
p1080links = re.findall('"key":"1080p","rank":3,"title":"(.*?)","videoBps":',html)[0]#藍光地址
p1080links = re.findall('"url":"(.*)',p1080links)
p1080url = p1080links[0]
p1080url = p1080url.replace('\\','')
print('藍光視頻地址是：')
print(p1080url)
print('現在開始下載藍光視頻，請稍等。。。')
res = requests.get(p1080url, headers={'user-agent': 'chrome'})
total_size = round(int(res.headers["Content-Length"])/1024/1024)
print('解析完成，視頻大小為：' + str(total_size) + 'MB。現在開始下載。')
with open(f'{videotitle}藍光.mp4', 'wb') as f:
for chunk in tqdm(iterable=res.iter_content(1024*1024), total=total_size, unit='KB'):\
f.write(chunk)
print('下載完成。')
print('所有格式視頻下載完成，請檢查是否正確。')
