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[youku] compare bytes and str for compatible; use compat_urllib_parse for making video_url

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This commit is contained in:
PeterDing 2015-05-29 10:13:09 +08:00
parent ca45246627
commit 1498940b10
1 changed files with 21 additions and 17 deletions
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38
youtube_dl/extractor/youku.py
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@ -1,14 +1,16 @@
# coding: utf-8
from __future__ import unicode_literals
import sys
pyvs = sys.version_info[0]
import re
import base64
from .common import InfoExtractor
from ..utils import ExtractorError
from ..compat import compat_urllib_parse
bytes_is_str = (bytes == str) # for compatible
class YoukuIE(InfoExtractor):
IE_NAME = 'youku'
_VALID_URL = r'''(?x)
@ -36,7 +38,7 @@ def yk_t(s1, s2):
for i in range(256):
t = (t + ls[i] + ord(s1[i%len(s1)])) % 256
ls[i], ls[t] = ls[t], ls[i]
s = '' if pyvs == 3 else b''
s = '' if not bytes_is_str else b''
x, y = 0, 0
for i in range(len(s2)):
y = (y + 1) % 256
@ -51,7 +53,7 @@ def yk_t(s1, s2):
sid, token = yk_t(
'becaf9be',
base64.b64decode(bytes(data2['ep'], 'ascii')) \
if pyvs == 3 \
if not bytes_is_str \
else base64.b64decode(data2['ep'])
).split('_')
@ -88,17 +90,14 @@ def generate_ep(format, n):
ep_t = yk_t(
'bf7e5f01',
bytes('%s_%s_%s' % (sid, fileid, token), 'ascii') \
if pyvs == 3 \
if not bytes_is_str \
else ('%s_%s_%s' % (sid, fileid, token))
)
ep = base64.b64encode(
bytes(ep_t, 'latin') \
if pyvs == 3 \
if not bytes_is_str \
else ep_t
).decode()
ep = ep.replace('+', '%2B')
ep = ep.replace('/', '%2F')
ep = ep.replace('=', '%2D')
return ep
# generate video_urls
@ -107,20 +106,25 @@ def generate_ep(format, n):
video_urls = []
for dt in data1['segs'][format]:
n = str(int(dt['no']))
param = {
'K': dt['k'],
'hd': self.get_hd(format),
'myp': 0,
'ts': dt['seconds'],
'ypp': 0,
'ctype': 12,
'ev': 1,
'token': token,
'oip': oip,
'ep': generate_ep(format, n)
}
video_url = \
'http://k.youku.com/player/getFlvPath/' + \
'sid/' + sid + \
'_' + str(int(n)+1).zfill(2) + \
'/st/' + self.parse_ext_l(format) + \
'/fileid/' + get_fileid(format, n) + '?' + \
'K=' + str(dt['k']) + \
'&hd=' + self.get_hd(format) + \
'&myp=0' + \
'&ts=' + str(dt['seconds']) + \
'&ypp=0&ctype=12&ev=1' + \
'&token=' + str(token) + \
'&oip=' + str(oip) + \
'&ep=' + generate_ep(format, n)
compat_urllib_parse.urlencode(param)
video_urls.append(video_url)
video_urls_dict[format] = video_urls