mirror of
https://github.com/yt-dlp/yt-dlp.git
synced 2024-12-15 18:12:42 +01:00
388 lines
16 KiB
Python
388 lines
16 KiB
Python
# encoding: utf-8
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from __future__ import unicode_literals
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import re
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import json
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import base64
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import zlib
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import xml.etree.ElementTree
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from hashlib import sha1
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from math import pow, sqrt, floor
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from .common import InfoExtractor
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from ..compat import (
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compat_urllib_parse,
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compat_urllib_parse_unquote,
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compat_urllib_request,
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compat_urlparse,
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)
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from ..utils import (
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ExtractorError,
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bytes_to_intlist,
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intlist_to_bytes,
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int_or_none,
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remove_end,
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unified_strdate,
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urlencode_postdata,
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xpath_text,
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)
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from ..aes import (
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aes_cbc_decrypt,
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)
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class CrunchyrollBaseIE(InfoExtractor):
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def _download_webpage(self, url_or_request, video_id, note=None, errnote=None, fatal=True, tries=1, timeout=5, encoding=None):
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request = (url_or_request if isinstance(url_or_request, compat_urllib_request.Request)
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else compat_urllib_request.Request(url_or_request))
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# Accept-Language must be set explicitly to accept any language to avoid issues
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# similar to https://github.com/rg3/youtube-dl/issues/6797.
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# Along with IP address Crunchyroll uses Accept-Language to guess whether georestriction
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# should be imposed or not (from what I can see it just takes the first language
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# ignoring the priority and requires it to correspond the IP). By the way this causes
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# Crunchyroll to not work in georestriction cases in some browsers that don't place
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# the locale lang first in header. However allowing any language seems to workaround the issue.
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request.add_header('Accept-Language', '*')
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return super(CrunchyrollBaseIE, self)._download_webpage(
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request, video_id, note, errnote, fatal, tries, timeout, encoding)
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class CrunchyrollIE(CrunchyrollBaseIE):
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_VALID_URL = r'https?://(?:(?P<prefix>www|m)\.)?(?P<url>crunchyroll\.(?:com|fr)/(?:media(?:-|/\?id=)|[^/]*/[^/?&]*?)(?P<video_id>[0-9]+))(?:[/?&]|$)'
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_NETRC_MACHINE = 'crunchyroll'
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_TESTS = [{
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'url': 'http://www.crunchyroll.com/wanna-be-the-strongest-in-the-world/episode-1-an-idol-wrestler-is-born-645513',
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'info_dict': {
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'id': '645513',
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'ext': 'flv',
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'title': 'Wanna be the Strongest in the World Episode 1 – An Idol-Wrestler is Born!',
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'description': 'md5:2d17137920c64f2f49981a7797d275ef',
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'thumbnail': 'http://img1.ak.crunchyroll.com/i/spire1-tmb/20c6b5e10f1a47b10516877d3c039cae1380951166_full.jpg',
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'uploader': 'Yomiuri Telecasting Corporation (YTV)',
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'upload_date': '20131013',
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'url': 're:(?!.*&)',
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},
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'params': {
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# rtmp
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'skip_download': True,
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},
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}, {
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'url': 'http://www.crunchyroll.com/media-589804/culture-japan-1',
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'info_dict': {
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'id': '589804',
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'ext': 'flv',
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'title': 'Culture Japan Episode 1 – Rebuilding Japan after the 3.11',
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'description': 'md5:fe2743efedb49d279552926d0bd0cd9e',
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'thumbnail': 're:^https?://.*\.jpg$',
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'uploader': 'Danny Choo Network',
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'upload_date': '20120213',
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},
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'params': {
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# rtmp
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'skip_download': True,
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},
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}, {
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'url': 'http://www.crunchyroll.fr/girl-friend-beta/episode-11-goodbye-la-mode-661697',
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'only_matching': True,
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}]
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_FORMAT_IDS = {
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'360': ('60', '106'),
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'480': ('61', '106'),
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'720': ('62', '106'),
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'1080': ('80', '108'),
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}
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def _login(self):
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(username, password) = self._get_login_info()
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if username is None:
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return
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self.report_login()
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login_url = 'https://www.crunchyroll.com/?a=formhandler'
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data = urlencode_postdata({
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'formname': 'RpcApiUser_Login',
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'name': username,
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'password': password,
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})
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login_request = compat_urllib_request.Request(login_url, data)
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login_request.add_header('Content-Type', 'application/x-www-form-urlencoded')
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self._download_webpage(login_request, None, False, 'Wrong login info')
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def _real_initialize(self):
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self._login()
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def _decrypt_subtitles(self, data, iv, id):
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data = bytes_to_intlist(base64.b64decode(data.encode('utf-8')))
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iv = bytes_to_intlist(base64.b64decode(iv.encode('utf-8')))
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id = int(id)
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def obfuscate_key_aux(count, modulo, start):
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output = list(start)
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for _ in range(count):
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output.append(output[-1] + output[-2])
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# cut off start values
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output = output[2:]
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output = list(map(lambda x: x % modulo + 33, output))
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return output
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def obfuscate_key(key):
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num1 = int(floor(pow(2, 25) * sqrt(6.9)))
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num2 = (num1 ^ key) << 5
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num3 = key ^ num1
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num4 = num3 ^ (num3 >> 3) ^ num2
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prefix = intlist_to_bytes(obfuscate_key_aux(20, 97, (1, 2)))
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shaHash = bytes_to_intlist(sha1(prefix + str(num4).encode('ascii')).digest())
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# Extend 160 Bit hash to 256 Bit
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return shaHash + [0] * 12
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key = obfuscate_key(id)
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decrypted_data = intlist_to_bytes(aes_cbc_decrypt(data, key, iv))
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return zlib.decompress(decrypted_data)
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def _convert_subtitles_to_srt(self, sub_root):
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output = ''
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for i, event in enumerate(sub_root.findall('./events/event'), 1):
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start = event.attrib['start'].replace('.', ',')
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end = event.attrib['end'].replace('.', ',')
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text = event.attrib['text'].replace('\\N', '\n')
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output += '%d\n%s --> %s\n%s\n\n' % (i, start, end, text)
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return output
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def _convert_subtitles_to_ass(self, sub_root):
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output = ''
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def ass_bool(strvalue):
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assvalue = '0'
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if strvalue == '1':
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assvalue = '-1'
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return assvalue
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output = '[Script Info]\n'
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output += 'Title: %s\n' % sub_root.attrib["title"]
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output += 'ScriptType: v4.00+\n'
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output += 'WrapStyle: %s\n' % sub_root.attrib["wrap_style"]
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output += 'PlayResX: %s\n' % sub_root.attrib["play_res_x"]
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output += 'PlayResY: %s\n' % sub_root.attrib["play_res_y"]
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output += """ScaledBorderAndShadow: yes
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[V4+ Styles]
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Format: Name, Fontname, Fontsize, PrimaryColour, SecondaryColour, OutlineColour, BackColour, Bold, Italic, Underline, StrikeOut, ScaleX, ScaleY, Spacing, Angle, BorderStyle, Outline, Shadow, Alignment, MarginL, MarginR, MarginV, Encoding
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"""
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for style in sub_root.findall('./styles/style'):
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output += 'Style: ' + style.attrib["name"]
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output += ',' + style.attrib["font_name"]
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output += ',' + style.attrib["font_size"]
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output += ',' + style.attrib["primary_colour"]
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output += ',' + style.attrib["secondary_colour"]
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output += ',' + style.attrib["outline_colour"]
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output += ',' + style.attrib["back_colour"]
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output += ',' + ass_bool(style.attrib["bold"])
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output += ',' + ass_bool(style.attrib["italic"])
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output += ',' + ass_bool(style.attrib["underline"])
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output += ',' + ass_bool(style.attrib["strikeout"])
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output += ',' + style.attrib["scale_x"]
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output += ',' + style.attrib["scale_y"]
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output += ',' + style.attrib["spacing"]
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output += ',' + style.attrib["angle"]
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output += ',' + style.attrib["border_style"]
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output += ',' + style.attrib["outline"]
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output += ',' + style.attrib["shadow"]
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output += ',' + style.attrib["alignment"]
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output += ',' + style.attrib["margin_l"]
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output += ',' + style.attrib["margin_r"]
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output += ',' + style.attrib["margin_v"]
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output += ',' + style.attrib["encoding"]
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output += '\n'
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output += """
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[Events]
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Format: Layer, Start, End, Style, Name, MarginL, MarginR, MarginV, Effect, Text
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"""
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for event in sub_root.findall('./events/event'):
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output += 'Dialogue: 0'
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output += ',' + event.attrib["start"]
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output += ',' + event.attrib["end"]
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output += ',' + event.attrib["style"]
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output += ',' + event.attrib["name"]
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output += ',' + event.attrib["margin_l"]
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output += ',' + event.attrib["margin_r"]
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output += ',' + event.attrib["margin_v"]
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output += ',' + event.attrib["effect"]
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output += ',' + event.attrib["text"]
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output += '\n'
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return output
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def _extract_subtitles(self, subtitle):
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sub_root = xml.etree.ElementTree.fromstring(subtitle)
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return [{
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'ext': 'srt',
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'data': self._convert_subtitles_to_srt(sub_root),
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}, {
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'ext': 'ass',
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'data': self._convert_subtitles_to_ass(sub_root),
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}]
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def _get_subtitles(self, video_id, webpage):
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subtitles = {}
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for sub_id, sub_name in re.findall(r'\?ssid=([0-9]+)" title="([^"]+)', webpage):
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sub_page = self._download_webpage(
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'http://www.crunchyroll.com/xml/?req=RpcApiSubtitle_GetXml&subtitle_script_id=' + sub_id,
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video_id, note='Downloading subtitles for ' + sub_name)
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id = self._search_regex(r'id=\'([0-9]+)', sub_page, 'subtitle_id', fatal=False)
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iv = self._search_regex(r'<iv>([^<]+)', sub_page, 'subtitle_iv', fatal=False)
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data = self._search_regex(r'<data>([^<]+)', sub_page, 'subtitle_data', fatal=False)
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if not id or not iv or not data:
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continue
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subtitle = self._decrypt_subtitles(data, iv, id).decode('utf-8')
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lang_code = self._search_regex(r'lang_code=["\']([^"\']+)', subtitle, 'subtitle_lang_code', fatal=False)
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if not lang_code:
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continue
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subtitles[lang_code] = self._extract_subtitles(subtitle)
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return subtitles
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def _real_extract(self, url):
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mobj = re.match(self._VALID_URL, url)
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video_id = mobj.group('video_id')
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if mobj.group('prefix') == 'm':
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mobile_webpage = self._download_webpage(url, video_id, 'Downloading mobile webpage')
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webpage_url = self._search_regex(r'<link rel="canonical" href="([^"]+)" />', mobile_webpage, 'webpage_url')
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else:
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webpage_url = 'http://www.' + mobj.group('url')
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webpage = self._download_webpage(webpage_url, video_id, 'Downloading webpage')
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note_m = self._html_search_regex(
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r'<div class="showmedia-trailer-notice">(.+?)</div>',
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webpage, 'trailer-notice', default='')
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if note_m:
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raise ExtractorError(note_m)
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mobj = re.search(r'Page\.messaging_box_controller\.addItems\(\[(?P<msg>{.+?})\]\)', webpage)
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if mobj:
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msg = json.loads(mobj.group('msg'))
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if msg.get('type') == 'error':
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raise ExtractorError('crunchyroll returned error: %s' % msg['message_body'], expected=True)
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if 'To view this, please log in to verify you are 18 or older.' in webpage:
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self.raise_login_required()
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video_title = self._html_search_regex(r'<h1[^>]*>(.+?)</h1>', webpage, 'video_title', flags=re.DOTALL)
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video_title = re.sub(r' {2,}', ' ', video_title)
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video_description = self._html_search_regex(r'"description":"([^"]+)', webpage, 'video_description', default='')
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if not video_description:
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video_description = None
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video_upload_date = self._html_search_regex(
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[r'<div>Availability for free users:(.+?)</div>', r'<div>[^<>]+<span>\s*(.+?\d{4})\s*</span></div>'],
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webpage, 'video_upload_date', fatal=False, flags=re.DOTALL)
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if video_upload_date:
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video_upload_date = unified_strdate(video_upload_date)
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video_uploader = self._html_search_regex(
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r'<a[^>]+href="/publisher/[^"]+"[^>]*>([^<]+)</a>', webpage,
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'video_uploader', fatal=False)
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playerdata_url = compat_urllib_parse_unquote(self._html_search_regex(r'"config_url":"([^"]+)', webpage, 'playerdata_url'))
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playerdata_req = compat_urllib_request.Request(playerdata_url)
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playerdata_req.data = compat_urllib_parse.urlencode({'current_page': webpage_url})
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playerdata_req.add_header('Content-Type', 'application/x-www-form-urlencoded')
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playerdata = self._download_webpage(playerdata_req, video_id, note='Downloading media info')
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stream_id = self._search_regex(r'<media_id>([^<]+)', playerdata, 'stream_id')
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video_thumbnail = self._search_regex(r'<episode_image_url>([^<]+)', playerdata, 'thumbnail', fatal=False)
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formats = []
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for fmt in re.findall(r'showmedia\.([0-9]{3,4})p', webpage):
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stream_quality, stream_format = self._FORMAT_IDS[fmt]
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video_format = fmt + 'p'
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streamdata_req = compat_urllib_request.Request(
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'http://www.crunchyroll.com/xml/?req=RpcApiVideoPlayer_GetStandardConfig&media_id=%s&video_format=%s&video_quality=%s'
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% (stream_id, stream_format, stream_quality),
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compat_urllib_parse.urlencode({'current_page': url}).encode('utf-8'))
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streamdata_req.add_header('Content-Type', 'application/x-www-form-urlencoded')
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streamdata = self._download_xml(
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streamdata_req, video_id,
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note='Downloading media info for %s' % video_format)
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stream_info = streamdata.find('./{default}preload/stream_info')
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video_url = stream_info.find('./host').text
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video_play_path = stream_info.find('./file').text
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metadata = stream_info.find('./metadata')
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format_info = {
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'format': video_format,
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'format_id': video_format,
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'height': int_or_none(xpath_text(metadata, './height')),
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'width': int_or_none(xpath_text(metadata, './width')),
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}
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if '.fplive.net/' in video_url:
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video_url = re.sub(r'^rtmpe?://', 'http://', video_url.strip())
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parsed_video_url = compat_urlparse.urlparse(video_url)
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direct_video_url = compat_urlparse.urlunparse(parsed_video_url._replace(
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netloc='v.lvlt.crcdn.net',
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path='%s/%s' % (remove_end(parsed_video_url.path, '/'), video_play_path.split(':')[-1])))
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if self._is_valid_url(direct_video_url, video_id, video_format):
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format_info.update({
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'url': direct_video_url,
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})
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formats.append(format_info)
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continue
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format_info.update({
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'url': video_url,
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'play_path': video_play_path,
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'ext': 'flv',
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})
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formats.append(format_info)
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subtitles = self.extract_subtitles(video_id, webpage)
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return {
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'id': video_id,
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'title': video_title,
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'description': video_description,
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'thumbnail': video_thumbnail,
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'uploader': video_uploader,
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'upload_date': video_upload_date,
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'subtitles': subtitles,
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'formats': formats,
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}
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class CrunchyrollShowPlaylistIE(CrunchyrollBaseIE):
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IE_NAME = "crunchyroll:playlist"
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_VALID_URL = r'https?://(?:(?P<prefix>www|m)\.)?(?P<url>crunchyroll\.com/(?!(?:news|anime-news|library|forum|launchcalendar|lineup|store|comics|freetrial|login))(?P<id>[\w\-]+))/?$'
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_TESTS = [{
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'url': 'http://www.crunchyroll.com/a-bridge-to-the-starry-skies-hoshizora-e-kakaru-hashi',
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'info_dict': {
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'id': 'a-bridge-to-the-starry-skies-hoshizora-e-kakaru-hashi',
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'title': 'A Bridge to the Starry Skies - Hoshizora e Kakaru Hashi'
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},
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'playlist_count': 13,
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}]
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def _real_extract(self, url):
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show_id = self._match_id(url)
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webpage = self._download_webpage(url, show_id)
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title = self._html_search_regex(
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r'(?s)<h1[^>]*>\s*<span itemprop="name">(.*?)</span>',
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webpage, 'title')
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episode_paths = re.findall(
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r'(?s)<li id="showview_videos_media_[0-9]+"[^>]+>.*?<a href="([^"]+)"',
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webpage)
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entries = [
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self.url_result('http://www.crunchyroll.com' + ep, 'Crunchyroll')
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for ep in episode_paths
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]
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entries.reverse()
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return {
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'_type': 'playlist',
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'id': show_id,
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'title': title,
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'entries': entries,
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}
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