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优化ixigua.py代码

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This commit is contained in:
liguangbin 2022-03-19 23:52:03 +08:00
parent 15393a8218
commit c8fa6c8097
1 changed files with 4 additions and 65 deletions
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65
src/you_get/extractors/ixigua.py
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@ -18,68 +18,6 @@ headers = {
}
def int_overflow(val):
maxint = 2147483647
if not -maxint - 1 <= val <= maxint:
val = (val + (maxint + 1)) % (2 * (maxint + 1)) - maxint - 1
return val
def unsigned_right_shitf(n, i):
if n < 0:
n = ctypes.c_uint32(n).value
if i < 0:
return -int_overflow(n << abs(i))
return int_overflow(n >> i)
def get_video_url_from_video_id(video_id):
"""Splicing URLs according to video ID to get video details"""
# from js
data = [""] * 256
for index, _ in enumerate(data):
t = index
for i in range(8):
t = -306674912 ^ unsigned_right_shitf(t, 1) if 1 & t else unsigned_right_shitf(t, 1)
data[index] = t
def tmp():
rand_num = random.random()
path = "/video/urls/v/1/toutiao/mp4/{video_id}?r={random_num}".format(video_id=video_id,
random_num=str(rand_num)[2:])
e = o = r = -1
i, a = 0, len(path)
while i < a:
e = ord(path[i])
i += 1
if e < 128:
r = unsigned_right_shitf(r, 8) ^ data[255 & (r ^ e)]
else:
if e < 2048:
r = unsigned_right_shitf(r, 8) ^ data[255 & (r ^ (192 | e >> 6 & 31))]
r = unsigned_right_shitf(r, 8) ^ data[255 & (r ^ (128 | 63 & e))]
else:
if 55296 <= e < 57344:
e = (1023 & e) + 64
i += 1
o = 1023 & t.url(i)
r = unsigned_right_shitf(r, 8) ^ data[255 & (r ^ (240 | e >> 8 & 7))]
r = unsigned_right_shitf(r, 8) ^ data[255 & (r ^ (128 | e >> 2 & 63))]
r = unsigned_right_shitf(r, 8) ^ data[255 & (r ^ (128 | o >> 6 & 15 | (3 & e) << 4))]
r = unsigned_right_shitf(r, 8) ^ data[255 & (r ^ (128 | 63 & o))]
else:
r = unsigned_right_shitf(r, 8) ^ data[255 & (r ^ (224 | e >> 12 & 15))]
r = unsigned_right_shitf(r, 8) ^ data[255 & (r ^ (128 | e >> 6 & 63))]
r = unsigned_right_shitf(r, 8) ^ data[255 & (r ^ (128 | 63 & e))]
return "https://ib.365yg.com{path}&s={param}".format(path=path, param=unsigned_right_shitf(r ^ -1, 0))
while 1:
url = tmp()
if url.split("=")[-1][0] != "-": # 参数s不能为负数
return url
def ixigua_download(url, output_dir='.', merge=True, info_only=False, stream_id='', **kwargs):
# example url: https://www.ixigua.com/i6631065141750268420/#mid=63024814422
headers['cookie'] = "MONITOR_WEB_ID=7892c49b-296e-4499-8704-e47c1b15123; " \
@ -148,7 +86,8 @@ def ixigua_download(url, output_dir='.', merge=True, info_only=False, stream_id=
urls = [stream['video_url']]
if stream['audio_url'] != "":
urls.append(stream['audio_url'])
kwargs['av'] = 'av'
kwargs['av'] = 'av' # 这将会合并音视频
download_urls(urls, title, "mp4", stream['size'], output_dir, merge=merge, headers=headers,
**kwargs)
return