463 lines
15 KiB
Python
463 lines
15 KiB
Python
# coding: utf-8
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from __future__ import unicode_literals
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import binascii
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import hashlib
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import itertools
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import math
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import re
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import time
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from .common import InfoExtractor
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from ..compat import (
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compat_str,
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compat_urllib_parse_urlencode,
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)
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from ..utils import (
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decode_packed_codes,
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ExtractorError,
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intlist_to_bytes,
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ohdave_rsa_encrypt,
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remove_start,
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urshift,
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)
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def md5_text(text):
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return hashlib.md5(text.encode('utf-8')).hexdigest()
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class IqiyiSDK(object):
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def __init__(self, target, ip, timestamp):
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self.target = target
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self.ip = ip
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self.timestamp = timestamp
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@staticmethod
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def split_sum(data):
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return compat_str(sum(map(lambda p: int(p, 16), list(data))))
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@staticmethod
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def digit_sum(num):
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if isinstance(num, int):
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num = compat_str(num)
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return compat_str(sum(map(int, num)))
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def even_odd(self):
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even = self.digit_sum(compat_str(self.timestamp)[::2])
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odd = self.digit_sum(compat_str(self.timestamp)[1::2])
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return even, odd
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def preprocess(self, chunksize):
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self.target = md5_text(self.target)
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chunks = []
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for i in range(32 // chunksize):
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chunks.append(self.target[chunksize * i:chunksize * (i + 1)])
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if 32 % chunksize:
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chunks.append(self.target[32 - 32 % chunksize:])
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return chunks, list(map(int, self.ip.split('.')))
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def mod(self, modulus):
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chunks, ip = self.preprocess(32)
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self.target = chunks[0] + ''.join(map(lambda p: compat_str(p % modulus), ip))
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def split(self, chunksize):
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modulus_map = {
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4: 256,
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5: 10,
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8: 100,
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}
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chunks, ip = self.preprocess(chunksize)
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ret = ''
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for i in range(len(chunks)):
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ip_part = compat_str(ip[i] % modulus_map[chunksize]) if i < 4 else ''
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if chunksize == 8:
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ret += ip_part + chunks[i]
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else:
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ret += chunks[i] + ip_part
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self.target = ret
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def handle_input16(self):
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self.target = md5_text(self.target)
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self.target = self.split_sum(self.target[:16]) + self.target + self.split_sum(self.target[16:])
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def handle_input8(self):
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self.target = md5_text(self.target)
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ret = ''
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for i in range(4):
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part = self.target[8 * i:8 * (i + 1)]
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ret += self.split_sum(part) + part
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self.target = ret
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def handleSum(self):
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self.target = md5_text(self.target)
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self.target = self.split_sum(self.target) + self.target
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def date(self, scheme):
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self.target = md5_text(self.target)
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d = time.localtime(self.timestamp)
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strings = {
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'y': compat_str(d.tm_year),
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'm': '%02d' % d.tm_mon,
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'd': '%02d' % d.tm_mday,
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}
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self.target += ''.join(map(lambda c: strings[c], list(scheme)))
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def split_time_even_odd(self):
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even, odd = self.even_odd()
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self.target = odd + md5_text(self.target) + even
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def split_time_odd_even(self):
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even, odd = self.even_odd()
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self.target = even + md5_text(self.target) + odd
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def split_ip_time_sum(self):
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chunks, ip = self.preprocess(32)
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self.target = compat_str(sum(ip)) + chunks[0] + self.digit_sum(self.timestamp)
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def split_time_ip_sum(self):
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chunks, ip = self.preprocess(32)
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self.target = self.digit_sum(self.timestamp) + chunks[0] + compat_str(sum(ip))
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class IqiyiSDKInterpreter(object):
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def __init__(self, sdk_code):
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self.sdk_code = sdk_code
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def run(self, target, ip, timestamp):
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self.sdk_code = decode_packed_codes(self.sdk_code)
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functions = re.findall(r'input=([a-zA-Z0-9]+)\(input', self.sdk_code)
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sdk = IqiyiSDK(target, ip, timestamp)
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other_functions = {
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'handleSum': sdk.handleSum,
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'handleInput8': sdk.handle_input8,
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'handleInput16': sdk.handle_input16,
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'splitTimeEvenOdd': sdk.split_time_even_odd,
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'splitTimeOddEven': sdk.split_time_odd_even,
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'splitIpTimeSum': sdk.split_ip_time_sum,
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'splitTimeIpSum': sdk.split_time_ip_sum,
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}
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for function in functions:
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if re.match(r'mod\d+', function):
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sdk.mod(int(function[3:]))
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elif re.match(r'date[ymd]{3}', function):
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sdk.date(function[4:])
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elif re.match(r'split\d+', function):
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sdk.split(int(function[5:]))
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elif function in other_functions:
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other_functions[function]()
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else:
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raise ExtractorError('Unknown funcion %s' % function)
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return sdk.target
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class IqiyiIE(InfoExtractor):
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IE_NAME = 'iqiyi'
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IE_DESC = '爱奇艺'
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_VALID_URL = r'https?://(?:(?:[^.]+\.)?iqiyi\.com|www\.pps\.tv)/.+\.html'
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_NETRC_MACHINE = 'iqiyi'
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_TESTS = [{
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'url': 'http://www.iqiyi.com/v_19rrojlavg.html',
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'md5': '470a6c160618577166db1a7aac5a3606',
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'info_dict': {
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'id': '9c1fb1b99d192b21c559e5a1a2cb3c73',
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'ext': 'mp4',
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'title': '美国德州空中惊现奇异云团 酷似UFO',
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}
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}, {
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'url': 'http://www.iqiyi.com/v_19rrhnnclk.html',
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'md5': 'f09f0a6a59b2da66a26bf4eda669a4cc',
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'info_dict': {
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'id': 'e3f585b550a280af23c98b6cb2be19fb',
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'ext': 'mp4',
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'title': '名侦探柯南 国语版',
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},
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'params': {
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'cn_verification_proxy': 'http://proxy.uku.im:443/',
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},
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}, {
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'url': 'http://www.iqiyi.com/w_19rt6o8t9p.html',
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'only_matching': True,
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}, {
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'url': 'http://www.iqiyi.com/a_19rrhbc6kt.html',
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'only_matching': True,
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}, {
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'url': 'http://yule.iqiyi.com/pcb.html',
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'only_matching': True,
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}, {
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# VIP-only video. The first 2 parts (6 minutes) are available without login
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# MD5 sums omitted as values are different on Travis CI and my machine
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'url': 'http://www.iqiyi.com/v_19rrny4w8w.html',
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'info_dict': {
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'id': 'f3cf468b39dddb30d676f89a91200dc1',
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'title': '泰坦尼克号',
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},
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'playlist': [{
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'info_dict': {
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'id': 'f3cf468b39dddb30d676f89a91200dc1_part1',
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'ext': 'f4v',
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'title': '泰坦尼克号',
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},
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}, {
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'info_dict': {
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'id': 'f3cf468b39dddb30d676f89a91200dc1_part2',
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'ext': 'f4v',
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'title': '泰坦尼克号',
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},
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}],
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'expected_warnings': ['Needs a VIP account for full video'],
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}, {
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'url': 'http://www.iqiyi.com/a_19rrhb8ce1.html',
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'info_dict': {
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'id': '202918101',
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'title': '灌篮高手 国语版',
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},
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'playlist_count': 101,
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}, {
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'url': 'http://www.pps.tv/w_19rrbav0ph.html',
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'only_matching': True,
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}]
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_FORMATS_MAP = [
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('1', 'h6'),
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('2', 'h5'),
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('3', 'h4'),
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('4', 'h3'),
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('5', 'h2'),
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('10', 'h1'),
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]
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def _real_initialize(self):
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self._login()
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@staticmethod
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def _rsa_fun(data):
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# public key extracted from http://static.iqiyi.com/js/qiyiV2/20160129180840/jobs/i18n/i18nIndex.js
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N = 0xab86b6371b5318aaa1d3c9e612a9f1264f372323c8c0f19875b5fc3b3fd3afcc1e5bec527aa94bfa85bffc157e4245aebda05389a5357b75115ac94f074aefcd
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e = 65537
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return ohdave_rsa_encrypt(data, e, N)
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def _login(self):
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(username, password) = self._get_login_info()
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# No authentication to be performed
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if not username:
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return True
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data = self._download_json(
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'http://kylin.iqiyi.com/get_token', None,
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note='Get token for logging', errnote='Unable to get token for logging')
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sdk = data['sdk']
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timestamp = int(time.time())
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target = '/apis/reglogin/login.action?lang=zh_TW&area_code=null&email=%s&passwd=%s&agenttype=1&from=undefined&keeplogin=0&piccode=&fromurl=&_pos=1' % (
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username, self._rsa_fun(password.encode('utf-8')))
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interp = IqiyiSDKInterpreter(sdk)
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sign = interp.run(target, data['ip'], timestamp)
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validation_params = {
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'target': target,
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'server': 'BEA3AA1908656AABCCFF76582C4C6660',
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'token': data['token'],
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'bird_src': 'f8d91d57af224da7893dd397d52d811a',
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'sign': sign,
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'bird_t': timestamp,
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}
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validation_result = self._download_json(
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'http://kylin.iqiyi.com/validate?' + compat_urllib_parse_urlencode(validation_params), None,
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note='Validate credentials', errnote='Unable to validate credentials')
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MSG_MAP = {
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'P00107': 'please login via the web interface and enter the CAPTCHA code',
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'P00117': 'bad username or password',
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}
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code = validation_result['code']
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if code != 'A00000':
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msg = MSG_MAP.get(code)
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if not msg:
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msg = 'error %s' % code
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if validation_result.get('msg'):
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msg += ': ' + validation_result['msg']
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self._downloader.report_warning('unable to log in: ' + msg)
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return False
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return True
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@staticmethod
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def _gen_sc(tvid, timestamp):
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M = [1732584193, -271733879]
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M.extend([~M[0], ~M[1]])
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I_table = [7, 12, 17, 22, 5, 9, 14, 20, 4, 11, 16, 23, 6, 10, 15, 21]
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C_base = [0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 8388608, 432]
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def L(n, t):
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if t is None:
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t = 0
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return trunc(((n >> 1) + (t >> 1) << 1) + (n & 1) + (t & 1))
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def trunc(n):
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n = n % 0x100000000
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if n > 0x7fffffff:
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n -= 0x100000000
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return n
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def transform(string, mod):
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num = int(string, 16)
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return (num >> 8 * (i % 4) & 255 ^ i % mod) << ((a & 3) << 3)
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C = list(C_base)
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o = list(M)
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k = str(timestamp - 7)
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for i in range(13):
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a = i
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C[a >> 2] |= ord(k[a]) << 8 * (a % 4)
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for i in range(16):
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a = i + 13
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start = (i >> 2) * 8
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r = '03967743b643f66763d623d637e30733'
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C[a >> 2] |= transform(''.join(reversed(r[start:start + 8])), 7)
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for i in range(16):
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a = i + 29
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start = (i >> 2) * 8
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r = '7038766939776a32776a32706b337139'
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C[a >> 2] |= transform(r[start:start + 8], 1)
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for i in range(9):
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a = i + 45
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if i < len(tvid):
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C[a >> 2] |= ord(tvid[i]) << 8 * (a % 4)
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for a in range(64):
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i = a
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I = i >> 4
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C_index = [i, 5 * i + 1, 3 * i + 5, 7 * i][I] % 16 + urshift(a, 6)
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m = L(L(o[0], [
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trunc(o[1] & o[2]) | trunc(~o[1] & o[3]),
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trunc(o[3] & o[1]) | trunc(~o[3] & o[2]),
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o[1] ^ o[2] ^ o[3],
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o[2] ^ trunc(o[1] | ~o[3])
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][I]), L(
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trunc(int(abs(math.sin(i + 1)) * 4294967296)),
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C[C_index] if C_index < len(C) else None))
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I = I_table[4 * I + i % 4]
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o = [o[3],
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L(o[1], trunc(trunc(m << I) | urshift(m, 32 - I))),
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o[1],
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o[2]]
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new_M = [L(o[0], M[0]), L(o[1], M[1]), L(o[2], M[2]), L(o[3], M[3])]
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s = [new_M[a >> 3] >> (1 ^ a & 7) * 4 & 15 for a in range(32)]
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return binascii.hexlify(intlist_to_bytes(s))[1::2].decode('ascii')
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def get_raw_data(self, tvid, video_id):
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tm = int(time.time() * 1000)
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sc = self._gen_sc(tvid, tm)
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params = {
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'platForm': 'h5',
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'rate': 1,
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'tvid': tvid,
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'vid': video_id,
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'cupid': 'qc_100001_100186',
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'type': 'mp4',
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'nolimit': 0,
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'agenttype': 13,
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'src': 'd846d0c32d664d32b6b54ea48997a589',
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'sc': sc,
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't': tm - 7,
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'__jsT': None,
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}
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headers = {}
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cn_verification_proxy = self._downloader.params.get('cn_verification_proxy')
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if cn_verification_proxy:
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headers['Ytdl-request-proxy'] = cn_verification_proxy
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return self._download_json(
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'http://cache.m.iqiyi.com/jp/tmts/%s/%s/' % (tvid, video_id),
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video_id, transform_source=lambda s: remove_start(s, 'var tvInfoJs='),
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query=params, headers=headers)
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def _extract_playlist(self, webpage):
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PAGE_SIZE = 50
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links = re.findall(
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r'<a[^>]+class="site-piclist_pic_link"[^>]+href="(http://www\.iqiyi\.com/.+\.html)"',
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webpage)
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if not links:
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return
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album_id = self._search_regex(
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r'albumId\s*:\s*(\d+),', webpage, 'album ID')
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album_title = self._search_regex(
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r'data-share-title="([^"]+)"', webpage, 'album title', fatal=False)
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entries = list(map(self.url_result, links))
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# Start from 2 because links in the first page are already on webpage
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for page_num in itertools.count(2):
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pagelist_page = self._download_webpage(
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'http://cache.video.qiyi.com/jp/avlist/%s/%d/%d/' % (album_id, page_num, PAGE_SIZE),
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album_id,
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note='Download playlist page %d' % page_num,
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errnote='Failed to download playlist page %d' % page_num)
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pagelist = self._parse_json(
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remove_start(pagelist_page, 'var tvInfoJs='), album_id)
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vlist = pagelist['data']['vlist']
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for item in vlist:
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entries.append(self.url_result(item['vurl']))
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if len(vlist) < PAGE_SIZE:
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break
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return self.playlist_result(entries, album_id, album_title)
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def _real_extract(self, url):
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webpage = self._download_webpage(
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url, 'temp_id', note='download video page')
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# There's no simple way to determine whether an URL is a playlist or not
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# So detect it
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playlist_result = self._extract_playlist(webpage)
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if playlist_result:
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return playlist_result
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tvid = self._search_regex(
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r'data-player-tvid\s*=\s*[\'"](\d+)', webpage, 'tvid')
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video_id = self._search_regex(
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r'data-player-videoid\s*=\s*[\'"]([a-f\d]+)', webpage, 'video_id')
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for _ in range(5):
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raw_data = self.get_raw_data(tvid, video_id)
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if raw_data['code'] != 'A00000':
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if raw_data['code'] == 'A00111':
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self.raise_geo_restricted()
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raise ExtractorError('Unable to load data. Error code: ' + raw_data['code'])
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data = raw_data['data']
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# iQiYi sometimes returns Ads
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if not isinstance(data['playInfo'], dict):
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self._sleep(5, video_id)
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continue
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title = data['playInfo']['an']
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break
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return {
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'id': video_id,
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'title': title,
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'url': data['m3u'],
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}
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