python3下載抖音視頻的代碼如下所示：
# -*- coding:utf-8 -*-
from contextlib import closing
import requests, json, re, os, sys, random
from ipaddress import ip_address
from subprocess import Popen, PIPE
import urllib
class DouYin(object):
def __init__(self, width = 500, height = 300):
"""
抖音App視頻下載
"""
rip = ip_address('0.0.0.0')
while rip.is_private:
rip = ip_address('.'.join(map(str, (random.randint(0, 255) for _ in range(4)))))
self.headers = {
'accept': 'text/html,application/xhtml+xml,application/xml;q=0.9,image/webp,image/apng,*/*;q=0.8',
'accept-encoding': 'gzip, deflate, br',
'accept-language': 'zh-CN,zh;q=0.9',
'pragma': 'no-cache',
'cache-control': 'no-cache',
'upgrade-insecure-requests': '1',
'user-agent': 'Mozilla/5.0 (Linux; U; Android 5.1.1; zh-cn; MI 4S Build/LMY47V) AppleWebKit/537.36 (KHTML, like Gecko) Version/4.0 Chrome/53.0.2785.146 Mobile Safari/537.36 XiaoMi/MiuiBrowser/9.1.3',
'X-Real-IP': str(rip),
'X-Forwarded-For': str(rip),
}
def get_video_urls(self, user_id, type_flag='f'):
"""
獲得視頻播放地址
Parameters:
user_id：查詢的用戶UID
Returns:
video_names: 視頻名字列表
video_urls: 視頻鏈接列表
nickname: 用戶昵稱
"""
video_names = []
video_urls = []
share_urls = []
max_cursor = 0
has_more = 1
i = 0
share_user_url = 'https://www.douyin.com/share/user/%s' % user_id
share_user = requests.get(share_user_url, headers=self.headers)
while share_user.status_code != 200:
share_user = requests.get(share_user_url, headers=self.headers)
_dytk_re = re.compile(r"dytk\s*:\s*'(.+)'")
dytk = _dytk_re.search(share_user.text).group(1)
_nickname_re = re.compile(r'
(.+?)<\/p>')
nickname = _nickname_re.search(share_user.text).group(1)
urllib.request.urlretrieve('https://raw.githubusercontent.com/Jack-Cherish/python-spider/master/douyin/fuck-byted-acrawler.js', 'fuck-byted-acrawler.js')
try:
Popen(['node', '-v'], stdout=PIPE, stderr=PIPE).communicate()
except (OSError, IOError) as err:
print('請先安裝 node.js: https://nodejs.org/')
sys.exit()
user_url_prefix = 'https://www.douyin.com/aweme/v1/aweme/favorite' if type_flag == 'f' else 'https://www.douyin.com/aweme/v1/aweme/post'
print('解析視頻鏈接中')
while has_more != 0:
process = Popen(['node', 'fuck-byted-acrawler.js', str(user_id)], stdout=PIPE, stderr=PIPE)
_sign = process.communicate()[0].decode().strip('\n').strip('\r')
user_url = user_url_prefix + '/?user_id=%s&max_cursor=%s&count=21&aid=1128&_signature=%s&dytk=%s' % (user_id, max_cursor, _sign, dytk)
req = requests.get(user_url, headers=self.headers)
while req.status_code != 200:
req = requests.get(user_url, headers=self.headers)
html = json.loads(req.text)
try:
while html['aweme_list'] == []:
i = i + 1
sys.stdout.write('已重新鏈接' + str(i) + '次 (若超過100次，請ctrl+c強制停止再重來)' + '\r')
sys.stdout.flush()
process = Popen(['node', 'fuck-byted-acrawler.js', str(user_id)], stdout=PIPE, stderr=PIPE)
_sign = process.communicate()[0].decode().strip('\n').strip('\r')
user_url = user_url_prefix + '/?user_id=%s&max_cursor=%s&count=21&aid=1128&_signature=%s&dytk=%s' % (user_id, max_cursor, _sign, dytk)
req = requests.get(user_url, headers=self.headers)
while req.status_code != 200:
req = requests.get(user_url, headers=self.headers)
html = json.loads(req.text)
except:
pass
i = 0
for each in html['aweme_list']:
try:
url = 'https://aweme.snssdk.com/aweme/v1/play/?video_id=%s&line=0&ratio=720p&media_type=4&vr_type=0&test_cdn=None&improve_bitrate=0'
uri = each['video']['play_addr']['uri']
video_url = url % uri
except:
continue
share_desc = each['share_info']['share_desc']
if os.name == 'nt':
for c in r'\/:*?"<>|':
nickname = nickname.replace(c, '').strip().strip('\.')
share_desc = share_desc.replace(c, '').strip()
share_id = each['aweme_id']
if share_desc in ['抖音-原創音樂短視頻社區', 'TikTok', '']:
video_names.append(share_id + '.mp4')
else:
video_names.append(share_id + '-' + share_desc + '.mp4')
share_urls.append(each['share_info']['share_url'])
video_urls.append(video_url)
max_cursor = html['max_cursor']
has_more = html['has_more']
return video_names, video_urls, share_urls, nickname
def get_download_url(self, video_url, watermark_flag):
"""
獲得帶水印的視頻播放地址
Parameters:
video_url：帶水印的視頻播放地址
Returns:
download_url: 帶水印的視頻下載地址
"""
# 帶水印視頻
if watermark_flag == True:
download_url = video_url.replace('/play/', '/playwm/')
# 無水印視頻
else:
download_url = video_url.replace('/playwm/', '/play/')
return download_url
def video_downloader(self, video_url, video_name, watermark_flag=False):
"""
視頻下載
Parameters:
video_url: 帶水印的視頻地址
video_name: 視頻名
watermark_flag: 是否下載帶水印的視頻
Returns:
無
"""
size = 0
video_url = self.get_download_url(video_url, watermark_flag=watermark_flag)
with closing(requests.get(video_url, headers=self.headers, stream=True)) as response:
chunk_size = 1024
content_size = int(response.headers['content-length'])
if response.status_code == 200:
sys.stdout.write(' [文件大小]:%0.2f MB\n' % (content_size / chunk_size / 1024))
with open(video_name, 'wb') as file:
for data in response.iter_content(chunk_size = chunk_size):
file.write(data)
size += len(data)
file.flush()
sys.stdout.write(' [下載進度]:%.2f%%' % float(size / content_size * 100) + '\r')
sys.stdout.flush()
def run(self):
"""
運行函數
Parameters:
None
Returns:
None
"""
self.hello()
print('搜索api需要登錄，暫時使用UID下載\n分享用戶頁面，用瀏覽器打開短鏈接，原始鏈接中/share/user/后的數字即是UID')
user_id = input('請輸入ID (例如95006183):')
user_id = user_id if user_id else '95006183'
watermark_flag = input('是否下載帶水印的視頻 (0-否(默認), 1-是):')
watermark_flag = watermark_flag if watermark_flag!='' else '0'
watermark_flag = bool(int(watermark_flag))
type_flag = input('f-收藏的(默認), p-上傳的:')
type_flag = type_flag if type_flag!='' else 'f'
save_dir = input('保存路徑 (例如"E:/Download/", 默認"./Download/"):')
save_dir = save_dir if save_dir else "./Download/"
video_names, video_urls, share_urls, nickname = self.get_video_urls(user_id, type_flag)
nickname_dir = os.path.join(save_dir, nickname)
if not os.path.exists(save_dir):
os.makedirs(save_dir)
if nickname not in os.listdir(save_dir):
os.mkdir(nickname_dir)
if type_flag == 'f':
if 'favorite' not in os.listdir(nickname_dir):
os.mkdir(os.path.join(nickname_dir, 'favorite'))
print('視頻下載中:共有%d個作品!\n' % len(video_urls))
for num in range(len(video_urls)):
print(' 解析第%d個視頻鏈接 [%s] 中，請稍后!\n' % (num + 1, share_urls[num]))
if '\\' in video_names[num]:
video_name = video_names[num].replace('\\', '')
elif '/' in video_names[num]:
video_name = video_names[num].replace('/', '')
else:
video_name = video_names[num]
video_path = os.path.join(nickname_dir, video_name) if type_flag!='f' else os.path.join(nickname_dir, 'favorite', video_name)
if os.path.isfile(video_path):
print('視頻已存在')
else:
self.video_downloader(video_urls[num], video_path, watermark_flag)
print('\n')
print('下載完成!')
def hello(self):
"""
打印歡迎界面
Parameters:
None
Returns:
None
"""
print('*' * 100)
print('\t\t\t\t抖音App視頻下載小助手')
print('\t\t作者:Jack Cui、steven7851')
print('*' * 100)
if __name__ == '__main__':
douyin = DouYin()
douyin.run()
總結
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