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bilibili.py
141 lines (127 loc) · 6.11 KB
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bilibili.py
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# -*- coding:utf-8 -*-
import re
import json
import random
import requests
"""
目标APP：哔哩哔哩
目标url：APP视频分享链接或web地址
爬取思路：
1、模拟手机端请求，视频链接就添加在源码中。（最简单、但清晰度不好）
2、通过调用别人的接口来下载视频。（根据接口的破解难度而定，可选择清晰度，不过最高的清晰度仅为未登录时能观看的最大清晰度）
3、直接通过B站的网页版来抓取。（难度稍大，不过清晰度很好，有大会员的话，能下载4K视频）
update 2021-04-26:
适配APP分享的视频地址
"""
class BiLiBiLi(object):
def __init__(self, url):
self.url = url
self.session = requests.Session()
self.headers = {
'Range': 'bytes=0-',
'referer': self.url,
'origin': 'https://www.bilibili.com/',
# 'cookie':'填写自己的B站大会员cookie',
'user-agent': 'Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) '
'Chrome/85.0.4183.121 Safari/537.36 Edg/85.0.564.63 '
}
def parse(self):
try:
rows = self.session.get(url=self.url, headers=self.headers, timeout=10)
if rows.status_code == 200:
html = rows.text
json_data = re.findall('window.__playinfo__=(.*?)</script>', html)[0]
video_name = re.findall('name="title" content="(.*?)">', html, re.S)[0]
cover = re.findall('property="og:image" content="(.*?)">', html, re.S)[0]
if video_name == '':
video_name = int(random.random() * 2 * 1000)
video = json.loads(json_data)['data']['dash']['video'][0]['baseUrl']
audio = json.loads(json_data)['data']['dash']['audio'][0]['baseUrl']
"""
self.download(video, "./" + video_name + '.flv') # 视频保存下载
为什么文件格式保存为flv格式，而不是选择mp4？
默认是下载分辨率最高的，而b站api的返回值中的提到过这样一句话:
- "accept_format":"hdflv2,flv,flv720,flv480,mp4"
- 测试下载为mp4格式，感觉也没差🙃🙃🙃
"""
info = {
"title": str(video_name).split("_哔哩哔哩")[0],
"cover": cover,
"video": video,
"audio": audio,
"notes": "B站音视频是分开的，并且链接具有时效性，且播放格式是flv的"
}
return json.dumps(info, ensure_ascii=False)
else:
return json.dumps({"info": "暂无相关数据，返回状态码：" + str(rows.status_code)}, ensure_ascii=False)
except Exception as e:
return json.dumps({"info": "暂无相关数据，请检查相关数据：" + str(e)}, ensure_ascii=False)
def download(self, url, save_path):
"""
将m4s格式保存到本地
:param url: 视频真实url地址
:param save_path: 文件保存路径
:return: None
"""
response = requests.get(url, headers=self.headers, stream=True)
with open(save_path, 'wb') as f:
f.write(response.content)
class BiLiPhone(object):
def __init__(self, bv):
self.bv = bv
self.session = requests.Session()
def get_url(self):
url = self.bv
if len(url) >= 16:
base_url = url
else:
base_url = "https://m.bilibili.com/video/" + str(self.bv)
headers = {
"user-agent": "Mozilla/5.0 (iPhone; CPU iPhone OS 13_2_3 like Mac OS X) AppleWebKit/605.1.15 (KHTML, "
"like Gecko) Version/13.0.3 Mobile/15E148 Safari/604.1 "
}
try:
response = self.session.get(url=base_url, headers=headers, timeout=5)
if response.status_code == 200:
pattern = re.compile("options = \{(.*?)\}", re.S)
try:
res = re.findall(pattern, response.text)[0]
readyDuration = re.findall("readyDuration: (.*?),", res)[0]
bvid = re.findall("bvid: '(.*?)',", res)[0]
readyPoster = re.findall("readyPoster: '(.*?)',", res)[0]
readyVideoUrl = re.findall("readyVideoUrl: '(.*?)',", res)[0]
rows = {
"bvid": bvid,
"cover": "https:" + readyPoster,
"video_url": "https:" + readyVideoUrl,
"duration": readyDuration
}
return json.dumps(rows, ensure_ascii=False)
except Exception as e:
return json.dumps({"info": "暂无相关数据，请检查相关数据：" + str(e)}, ensure_ascii=False)
else:
return json.dumps({"info": "暂无相关数据，请检查相关数据："}, ensure_ascii=False)
except Exception as e:
return json.dumps({"info": "暂无相关数据，请检查相关数据：" + str(e)}, ensure_ascii=False)
def core():
print('*' * 10 + '\t BiLiBiLi视频下载\t' + '*' * 10)
print('*' * 5 + "\t\tAuthor: BadWoman\t\t" + '*' * 5)
share_url = input('请输入分享链接: ')
deal_url = re.findall('(http[s]?://[^\s]+)', share_url, re.S)[0]
choice = int(input("1、模拟手机端下载 2、直接下载\n选择下载方式："))
# 解决移动APP分享的视频地址
if "b23.tv" in deal_url:
headers = {
"user-agent": "Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) "
"Chrome/88.0.4324.182 Safari/537.36 "
}
response = requests.get(deal_url, headers=headers, timeout=10)
deal_url = response.url
if choice == 1:
return BiLiPhone(deal_url).get_url()
elif choice == 2:
return BiLiBiLi(deal_url).parse()
else:
return "暂无！"
if __name__ == '__main__':
print(core())