you-get/src/you_get/extractors/sina.py
2017-05-18 03:50:07 +08:00

90 lines
3.2 KiB
Python

#!/usr/bin/env python
__all__ = ['sina_download', 'sina_download_by_vid', 'sina_download_by_vkey']
from ..common import *
from hashlib import md5
from random import randint
from time import time
def get_k(vid, rand):
t = str(int('{0:b}'.format(int(time()))[:-6], 2))
return md5((vid + 'Z6prk18aWxP278cVAH' + t + rand).encode('utf-8')).hexdigest()[:16] + t
def video_info_xml(vid):
rand = "0.{0}{1}".format(randint(10000, 10000000), randint(10000, 10000000))
url = 'http://ask.ivideo.sina.com.cn/v_play.php?vid={0}&ran={1}&p=i&k={2}'.format(vid, rand, get_k(vid, rand))
xml = get_content(url, headers=fake_headers, decoded=True)
return xml
def video_info(xml):
urls = re.findall(r'<url>(?:<!\[CDATA\[)?(.*?)(?:\]\]>)?</url>', xml)
name = match1(xml, r'<vname>(?:<!\[CDATA\[)?(.+?)(?:\]\]>)?</vname>')
vstr = match1(xml, r'<vstr>(?:<!\[CDATA\[)?(.+?)(?:\]\]>)?</vstr>')
return urls, name, vstr
def sina_download_by_vid(vid, title=None, output_dir='.', merge=True, info_only=False):
"""Downloads a Sina video by its unique vid.
http://video.sina.com.cn/
"""
xml = video_info_xml(vid)
sina_download_by_xml(xml, title, output_dir, merge, info_only)
def sina_download_by_xml(xml, title, output_dir, merge, info_only):
urls, name, vstr = video_info(xml)
title = title or name
assert title
size = 0
for url in urls:
_, _, temp = url_info(url)
size += temp
print_info(site_info, title, 'flv', size)
if not info_only:
download_urls(urls, title, 'flv', size, output_dir = output_dir, merge = merge)
def sina_download_by_vkey(vkey, title=None, output_dir='.', merge=True, info_only=False):
"""Downloads a Sina video by its unique vkey.
http://video.sina.com/
"""
url = 'http://video.sina.com/v/flvideo/%s_0.flv' % vkey
type, ext, size = url_info(url)
print_info(site_info, title, 'flv', size)
if not info_only:
download_urls([url], title, 'flv', size, output_dir = output_dir, merge = merge)
def sina_download(url, output_dir='.', merge=True, info_only=False, **kwargs):
"""Downloads Sina videos by URL.
"""
vid = match1(url, r'vid=(\d+)')
if vid is None:
video_page = get_content(url)
vid = hd_vid = match1(video_page, r'hd_vid\s*:\s*\'([^\']+)\'')
if hd_vid == '0':
vids = match1(video_page, r'[^\w]vid\s*:\s*\'([^\']+)\'').split('|')
vid = vids[-1]
if vid is None:
vid = match1(video_page, r'vid:"?(\d+)"?')
if vid:
title = match1(video_page, r'title\s*:\s*\'([^\']+)\'')
sina_download_by_vid(vid, title=title, output_dir=output_dir, merge=merge, info_only=info_only)
else:
vkey = match1(video_page, r'vkey\s*:\s*"([^"]+)"')
if vkey is None:
vid = match1(url, r'#(\d+)')
sina_download_by_vid(vid, output_dir=output_dir, merge=merge, info_only=info_only)
return
title = match1(video_page, r'title\s*:\s*"([^"]+)"')
sina_download_by_vkey(vkey, title=title, output_dir=output_dir, merge=merge, info_only=info_only)
site_info = "Sina.com"
download = sina_download
download_playlist = playlist_not_supported('sina')