youtube-dl/youtube_dl/extractor/youtube.py

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# coding: utf-8
import collections
import errno
import io
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import itertools
import json
import os.path
import re
import socket
import string
import struct
import traceback
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import xml.etree.ElementTree
import zlib
from .common import InfoExtractor, SearchInfoExtractor
from .subtitles import SubtitlesInfoExtractor
from ..utils import (
compat_chr,
compat_http_client,
compat_parse_qs,
compat_urllib_error,
compat_urllib_parse,
compat_urllib_request,
compat_str,
clean_html,
get_element_by_id,
ExtractorError,
unescapeHTML,
unified_strdate,
orderedSet,
write_json_file,
)
class YoutubeBaseInfoExtractor(InfoExtractor):
"""Provide base functions for Youtube extractors"""
_LOGIN_URL = 'https://accounts.google.com/ServiceLogin'
_LANG_URL = r'https://www.youtube.com/?hl=en&persist_hl=1&gl=US&persist_gl=1&opt_out_ackd=1'
_AGE_URL = 'http://www.youtube.com/verify_age?next_url=/&gl=US&hl=en'
_NETRC_MACHINE = 'youtube'
# If True it will raise an error if no login info is provided
_LOGIN_REQUIRED = False
def report_lang(self):
"""Report attempt to set language."""
self.to_screen(u'Setting language')
def _set_language(self):
request = compat_urllib_request.Request(self._LANG_URL)
try:
self.report_lang()
compat_urllib_request.urlopen(request).read()
except (compat_urllib_error.URLError, compat_http_client.HTTPException, socket.error) as err:
self._downloader.report_warning(u'unable to set language: %s' % compat_str(err))
return False
return True
def _login(self):
(username, password) = self._get_login_info()
# No authentication to be performed
if username is None:
if self._LOGIN_REQUIRED:
raise ExtractorError(u'No login info available, needed for using %s.' % self.IE_NAME, expected=True)
return False
request = compat_urllib_request.Request(self._LOGIN_URL)
try:
login_page = compat_urllib_request.urlopen(request).read().decode('utf-8')
except (compat_urllib_error.URLError, compat_http_client.HTTPException, socket.error) as err:
self._downloader.report_warning(u'unable to fetch login page: %s' % compat_str(err))
return False
galx = None
dsh = None
match = re.search(re.compile(r'<input.+?name="GALX".+?value="(.+?)"', re.DOTALL), login_page)
if match:
galx = match.group(1)
match = re.search(re.compile(r'<input.+?name="dsh".+?value="(.+?)"', re.DOTALL), login_page)
if match:
dsh = match.group(1)
# Log in
login_form_strs = {
u'continue': u'https://www.youtube.com/signin?action_handle_signin=true&feature=sign_in_button&hl=en_US&nomobiletemp=1',
u'Email': username,
u'GALX': galx,
u'Passwd': password,
u'PersistentCookie': u'yes',
u'_utf8': u'',
u'bgresponse': u'js_disabled',
u'checkConnection': u'',
u'checkedDomains': u'youtube',
u'dnConn': u'',
u'dsh': dsh,
u'pstMsg': u'0',
u'rmShown': u'1',
u'secTok': u'',
u'signIn': u'Sign in',
u'timeStmp': u'',
u'service': u'youtube',
u'uilel': u'3',
u'hl': u'en_US',
}
# Convert to UTF-8 *before* urlencode because Python 2.x's urlencode
# chokes on unicode
login_form = dict((k.encode('utf-8'), v.encode('utf-8')) for k,v in login_form_strs.items())
login_data = compat_urllib_parse.urlencode(login_form).encode('ascii')
request = compat_urllib_request.Request(self._LOGIN_URL, login_data)
try:
self.report_login()
login_results = compat_urllib_request.urlopen(request).read().decode('utf-8')
if re.search(r'(?i)<form[^>]* id="gaia_loginform"', login_results) is not None:
self._downloader.report_warning(u'unable to log in: bad username or password')
return False
except (compat_urllib_error.URLError, compat_http_client.HTTPException, socket.error) as err:
self._downloader.report_warning(u'unable to log in: %s' % compat_str(err))
return False
return True
def _confirm_age(self):
age_form = {
'next_url': '/',
'action_confirm': 'Confirm',
}
request = compat_urllib_request.Request(self._AGE_URL, compat_urllib_parse.urlencode(age_form))
try:
self.report_age_confirmation()
compat_urllib_request.urlopen(request).read().decode('utf-8')
except (compat_urllib_error.URLError, compat_http_client.HTTPException, socket.error) as err:
raise ExtractorError(u'Unable to confirm age: %s' % compat_str(err))
return True
def _real_initialize(self):
if self._downloader is None:
return
if not self._set_language():
return
if not self._login():
return
self._confirm_age()
class YoutubeIE(YoutubeBaseInfoExtractor, SubtitlesInfoExtractor):
IE_DESC = u'YouTube.com'
_VALID_URL = r"""^
(
(?:https?://)? # http(s):// (optional)
(?:(?:(?:(?:\w+\.)?youtube(?:-nocookie)?\.com/|
tube\.majestyc\.net/|
youtube\.googleapis\.com/) # the various hostnames, with wildcard subdomains
(?:.*?\#/)? # handle anchor (#/) redirect urls
(?: # the various things that can precede the ID:
(?:(?:v|embed|e)/) # v/ or embed/ or e/
|(?: # or the v= param in all its forms
(?:(?:watch|movie)(?:_popup)?(?:\.php)?)? # preceding watch(_popup|.php) or nothing (like /?v=xxxx)
(?:\?|\#!?) # the params delimiter ? or # or #!
(?:.*?&)? # any other preceding param (like /?s=tuff&v=xxxx)
v=
)
))
|youtu\.be/ # just youtu.be/xxxx
)
)? # all until now is optional -> you can pass the naked ID
([0-9A-Za-z_-]{11}) # here is it! the YouTube video ID
(?(1).+)? # if we found the ID, everything can follow
$"""
_NEXT_URL_RE = r'[\?&]next_url=([^&]+)'
# Listed in order of quality
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_available_formats = ['38', '37', '46', '22', '45', '35', '44', '34', '18', '43', '6', '5', '36', '17', '13',
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# Apple HTTP Live Streaming
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'96', '95', '94', '93', '92', '132', '151',
# 3D
'85', '84', '102', '83', '101', '82', '100',
# Dash video
'138', '137', '248', '136', '247', '135', '246',
'245', '244', '134', '243', '133', '242', '160',
# Dash audio
'141', '172', '140', '171', '139',
]
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_available_formats_prefer_free = ['38', '46', '37', '45', '22', '44', '35', '43', '34', '18', '6', '5', '36', '17', '13',
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# Apple HTTP Live Streaming
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'96', '95', '94', '93', '92', '132', '151',
# 3D
'85', '102', '84', '101', '83', '100', '82',
# Dash video
'138', '248', '137', '247', '136', '246', '245',
'244', '135', '243', '134', '242', '133', '160',
# Dash audio
'172', '141', '171', '140', '139',
]
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_video_formats_map = {
'flv': ['35', '34', '6', '5'],
'3gp': ['36', '17', '13'],
'mp4': ['38', '37', '22', '18'],
'webm': ['46', '45', '44', '43'],
}
_video_extensions = {
'13': '3gp',
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'17': '3gp',
'18': 'mp4',
'22': 'mp4',
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'36': '3gp',
'37': 'mp4',
'38': 'mp4',
'43': 'webm',
'44': 'webm',
'45': 'webm',
'46': 'webm',
# 3d videos
'82': 'mp4',
'83': 'mp4',
'84': 'mp4',
'85': 'mp4',
'100': 'webm',
'101': 'webm',
'102': 'webm',
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# Apple HTTP Live Streaming
'92': 'mp4',
'93': 'mp4',
'94': 'mp4',
'95': 'mp4',
'96': 'mp4',
'132': 'mp4',
'151': 'mp4',
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# Dash mp4
'133': 'mp4',
'134': 'mp4',
'135': 'mp4',
'136': 'mp4',
'137': 'mp4',
'138': 'mp4',
'139': 'mp4',
'140': 'mp4',
'141': 'mp4',
'160': 'mp4',
# Dash webm
'171': 'webm',
'172': 'webm',
'242': 'webm',
'243': 'webm',
'244': 'webm',
'245': 'webm',
'246': 'webm',
'247': 'webm',
'248': 'webm',
}
_video_dimensions = {
'5': '240x400',
'6': '???',
'13': '???',
'17': '144x176',
'18': '360x640',
'22': '720x1280',
'34': '360x640',
'35': '480x854',
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'36': '240x320',
'37': '1080x1920',
'38': '3072x4096',
'43': '360x640',
'44': '480x854',
'45': '720x1280',
'46': '1080x1920',
'82': '360p',
'83': '480p',
'84': '720p',
'85': '1080p',
'92': '240p',
'93': '360p',
'94': '480p',
'95': '720p',
'96': '1080p',
'100': '360p',
'101': '480p',
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'102': '720p',
'132': '240p',
'151': '72p',
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'133': '240p',
'134': '360p',
'135': '480p',
'136': '720p',
'137': '1080p',
'138': '>1080p',
'139': '48k',
'140': '128k',
'141': '256k',
'160': '192p',
'171': '128k',
'172': '256k',
'242': '240p',
'243': '360p',
'244': '480p',
'245': '480p',
'246': '480p',
'247': '720p',
'248': '1080p',
}
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_special_itags = {
'82': '3D',
'83': '3D',
'84': '3D',
'85': '3D',
'100': '3D',
'101': '3D',
'102': '3D',
'133': 'DASH Video',
'134': 'DASH Video',
'135': 'DASH Video',
'136': 'DASH Video',
'137': 'DASH Video',
'138': 'DASH Video',
'139': 'DASH Audio',
'140': 'DASH Audio',
'141': 'DASH Audio',
'160': 'DASH Video',
'171': 'DASH Audio',
'172': 'DASH Audio',
'242': 'DASH Video',
'243': 'DASH Video',
'244': 'DASH Video',
'245': 'DASH Video',
'246': 'DASH Video',
'247': 'DASH Video',
'248': 'DASH Video',
}
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IE_NAME = u'youtube'
_TESTS = [
{
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u"url": u"http://www.youtube.com/watch?v=BaW_jenozKc",
u"file": u"BaW_jenozKc.mp4",
u"info_dict": {
u"title": u"youtube-dl test video \"'/\\ä↭𝕐",
u"uploader": u"Philipp Hagemeister",
u"uploader_id": u"phihag",
u"upload_date": u"20121002",
u"description": u"test chars: \"'/\\ä↭𝕐\n\nThis is a test video for youtube-dl.\n\nFor more information, contact phihag@phihag.de ."
}
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},
{
u"url": u"http://www.youtube.com/watch?v=1ltcDfZMA3U",
u"file": u"1ltcDfZMA3U.flv",
u"note": u"Test VEVO video (#897)",
u"info_dict": {
u"upload_date": u"20070518",
u"title": u"Maps - It Will Find You",
u"description": u"Music video by Maps performing It Will Find You.",
u"uploader": u"MuteUSA",
u"uploader_id": u"MuteUSA"
}
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},
{
u"url": u"http://www.youtube.com/watch?v=UxxajLWwzqY",
u"file": u"UxxajLWwzqY.mp4",
u"note": u"Test generic use_cipher_signature video (#897)",
u"info_dict": {
u"upload_date": u"20120506",
u"title": u"Icona Pop - I Love It (feat. Charli XCX) [OFFICIAL VIDEO]",
u"description": u"md5:3e2666e0a55044490499ea45fe9037b7",
u"uploader": u"Icona Pop",
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u"uploader_id": u"IconaPop"
}
},
{
u"url": u"https://www.youtube.com/watch?v=07FYdnEawAQ",
u"file": u"07FYdnEawAQ.mp4",
u"note": u"Test VEVO video with age protection (#956)",
u"info_dict": {
u"upload_date": u"20130703",
u"title": u"Justin Timberlake - Tunnel Vision (Explicit)",
u"description": u"md5:64249768eec3bc4276236606ea996373",
u"uploader": u"justintimberlakeVEVO",
u"uploader_id": u"justintimberlakeVEVO"
}
},
{
u'url': u'https://www.youtube.com/watch?v=TGi3HqYrWHE',
u'file': u'TGi3HqYrWHE.mp4',
u'note': u'm3u8 video',
u'info_dict': {
u'title': u'Triathlon - Men - London 2012 Olympic Games',
u'description': u'- Men - TR02 - Triathlon - 07 August 2012 - London 2012 Olympic Games',
u'uploader': u'olympic',
u'upload_date': u'20120807',
u'uploader_id': u'olympic',
},
u'params': {
u'skip_download': True,
},
},
]
@classmethod
def suitable(cls, url):
"""Receives a URL and returns True if suitable for this IE."""
if YoutubePlaylistIE.suitable(url): return False
return re.match(cls._VALID_URL, url, re.VERBOSE) is not None
def __init__(self, *args, **kwargs):
super(YoutubeIE, self).__init__(*args, **kwargs)
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self._player_cache = {}
def report_video_webpage_download(self, video_id):
"""Report attempt to download video webpage."""
self.to_screen(u'%s: Downloading video webpage' % video_id)
def report_video_info_webpage_download(self, video_id):
"""Report attempt to download video info webpage."""
self.to_screen(u'%s: Downloading video info webpage' % video_id)
def report_information_extraction(self, video_id):
"""Report attempt to extract video information."""
self.to_screen(u'%s: Extracting video information' % video_id)
def report_unavailable_format(self, video_id, format):
"""Report extracted video URL."""
self.to_screen(u'%s: Format %s not available' % (video_id, format))
def report_rtmp_download(self):
"""Indicate the download will use the RTMP protocol."""
self.to_screen(u'RTMP download detected')
def _extract_signature_function(self, video_id, player_url, slen):
id_m = re.match(r'.*-(?P<id>[a-zA-Z0-9_-]+)\.(?P<ext>[a-z]+)$',
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player_url)
player_type = id_m.group('ext')
player_id = id_m.group('id')
# Read from filesystem cache
func_id = '%s_%s_%d' % (player_type, player_id, slen)
assert os.path.basename(func_id) == func_id
cache_dir = self._downloader.params.get('cachedir',
u'~/.youtube-dl/cache')
if cache_dir != u'NONE':
cache_fn = os.path.join(os.path.expanduser(cache_dir),
u'youtube-sigfuncs',
func_id + '.json')
try:
with io.open(cache_fn, 'r', encoding='utf-8') as cachef:
cache_spec = json.load(cachef)
return lambda s: u''.join(s[i] for i in cache_spec)
except IOError:
pass # No cache available
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if player_type == 'js':
code = self._download_webpage(
player_url, video_id,
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note=u'Downloading %s player %s' % (player_type, player_id),
errnote=u'Download of %s failed' % player_url)
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res = self._parse_sig_js(code)
elif player_type == 'swf':
urlh = self._request_webpage(
player_url, video_id,
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note=u'Downloading %s player %s' % (player_type, player_id),
errnote=u'Download of %s failed' % player_url)
code = urlh.read()
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res = self._parse_sig_swf(code)
else:
assert False, 'Invalid player type %r' % player_type
if cache_dir is not False:
try:
cache_res = res(map(compat_chr, range(slen)))
cache_spec = [ord(c) for c in cache_res]
try:
os.makedirs(os.path.dirname(cache_fn))
except OSError as ose:
if ose.errno != errno.EEXIST:
raise
write_json_file(cache_spec, cache_fn)
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except Exception:
tb = traceback.format_exc()
self._downloader.report_warning(
u'Writing cache to %r failed: %s' % (cache_fn, tb))
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return res
def _print_sig_code(self, func, slen):
def gen_sig_code(idxs):
def _genslice(start, end, step):
starts = u'' if start == 0 else str(start)
ends = u':%d' % (end+step)
steps = u'' if step == 1 else (':%d' % step)
return u's[%s%s%s]' % (starts, ends, steps)
step = None
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start = '(Never used)' # Quelch pyflakes warnings - start will be
# set as soon as step is set
for i, prev in zip(idxs[1:], idxs[:-1]):
if step is not None:
if i - prev == step:
continue
yield _genslice(start, prev, step)
step = None
continue
if i - prev in [-1, 1]:
step = i - prev
start = prev
continue
else:
yield u's[%d]' % prev
if step is None:
yield u's[%d]' % i
else:
yield _genslice(start, i, step)
cache_res = func(map(compat_chr, range(slen)))
cache_spec = [ord(c) for c in cache_res]
expr_code = u' + '.join(gen_sig_code(cache_spec))
code = u'if len(s) == %d:\n return %s\n' % (slen, expr_code)
self.to_screen(u'Extracted signature:\n' + code)
def _parse_sig_js(self, jscode):
funcname = self._search_regex(
r'signature=([a-zA-Z]+)', jscode,
u'Initial JS player signature function name')
functions = {}
def argidx(varname):
return string.lowercase.index(varname)
def interpret_statement(stmt, local_vars, allow_recursion=20):
if allow_recursion < 0:
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raise ExtractorError(u'Recursion limit reached')
if stmt.startswith(u'var '):
stmt = stmt[len(u'var '):]
ass_m = re.match(r'^(?P<out>[a-z]+)(?:\[(?P<index>[^\]]+)\])?' +
r'=(?P<expr>.*)$', stmt)
if ass_m:
if ass_m.groupdict().get('index'):
def assign(val):
lvar = local_vars[ass_m.group('out')]
idx = interpret_expression(ass_m.group('index'),
local_vars, allow_recursion)
assert isinstance(idx, int)
lvar[idx] = val
return val
expr = ass_m.group('expr')
else:
def assign(val):
local_vars[ass_m.group('out')] = val
return val
expr = ass_m.group('expr')
elif stmt.startswith(u'return '):
assign = lambda v: v
expr = stmt[len(u'return '):]
else:
raise ExtractorError(
u'Cannot determine left side of statement in %r' % stmt)
v = interpret_expression(expr, local_vars, allow_recursion)
return assign(v)
def interpret_expression(expr, local_vars, allow_recursion):
if expr.isdigit():
return int(expr)
if expr.isalpha():
return local_vars[expr]
m = re.match(r'^(?P<in>[a-z]+)\.(?P<member>.*)$', expr)
if m:
member = m.group('member')
val = local_vars[m.group('in')]
if member == 'split("")':
return list(val)
if member == 'join("")':
return u''.join(val)
if member == 'length':
return len(val)
if member == 'reverse()':
return val[::-1]
slice_m = re.match(r'slice\((?P<idx>.*)\)', member)
if slice_m:
idx = interpret_expression(
slice_m.group('idx'), local_vars, allow_recursion-1)
return val[idx:]
m = re.match(
r'^(?P<in>[a-z]+)\[(?P<idx>.+)\]$', expr)
if m:
val = local_vars[m.group('in')]
idx = interpret_expression(m.group('idx'), local_vars,
allow_recursion-1)
return val[idx]
m = re.match(r'^(?P<a>.+?)(?P<op>[%])(?P<b>.+?)$', expr)
if m:
a = interpret_expression(m.group('a'),
local_vars, allow_recursion)
b = interpret_expression(m.group('b'),
local_vars, allow_recursion)
return a % b
m = re.match(
r'^(?P<func>[a-zA-Z]+)\((?P<args>[a-z0-9,]+)\)$', expr)
if m:
fname = m.group('func')
if fname not in functions:
functions[fname] = extract_function(fname)
argvals = [int(v) if v.isdigit() else local_vars[v]
for v in m.group('args').split(',')]
return functions[fname](argvals)
raise ExtractorError(u'Unsupported JS expression %r' % expr)
def extract_function(funcname):
func_m = re.search(
r'function ' + re.escape(funcname) +
r'\((?P<args>[a-z,]+)\){(?P<code>[^}]+)}',
jscode)
argnames = func_m.group('args').split(',')
def resf(args):
local_vars = dict(zip(argnames, args))
for stmt in func_m.group('code').split(';'):
res = interpret_statement(stmt, local_vars)
return res
return resf
initial_function = extract_function(funcname)
return lambda s: initial_function([s])
def _parse_sig_swf(self, file_contents):
if file_contents[1:3] != b'WS':
raise ExtractorError(
u'Not an SWF file; header is %r' % file_contents[:3])
if file_contents[:1] == b'C':
content = zlib.decompress(file_contents[8:])
else:
raise NotImplementedError(u'Unsupported compression format %r' %
file_contents[:1])
def extract_tags(content):
pos = 0
while pos < len(content):
header16 = struct.unpack('<H', content[pos:pos+2])[0]
pos += 2
tag_code = header16 >> 6
tag_len = header16 & 0x3f
if tag_len == 0x3f:
tag_len = struct.unpack('<I', content[pos:pos+4])[0]
pos += 4
assert pos+tag_len <= len(content)
yield (tag_code, content[pos:pos+tag_len])
pos += tag_len
code_tag = next(tag
for tag_code, tag in extract_tags(content)
if tag_code == 82)
p = code_tag.index(b'\0', 4) + 1
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code_reader = io.BytesIO(code_tag[p:])
# Parse ABC (AVM2 ByteCode)
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def read_int(reader=None):
if reader is None:
reader = code_reader
res = 0
shift = 0
for _ in range(5):
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buf = reader.read(1)
assert len(buf) == 1
b = struct.unpack('<B', buf)[0]
res = res | ((b & 0x7f) << shift)
if b & 0x80 == 0:
break
shift += 7
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return res
def u30(reader=None):
res = read_int(reader)
assert res & 0xf0000000 == 0
return res
u32 = read_int
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def s32(reader=None):
v = read_int(reader)
if v & 0x80000000 != 0:
v = - ((v ^ 0xffffffff) + 1)
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return v
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def read_string(reader=None):
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if reader is None:
reader = code_reader
slen = u30(reader)
resb = reader.read(slen)
assert len(resb) == slen
return resb.decode('utf-8')
def read_bytes(count, reader=None):
if reader is None:
reader = code_reader
resb = reader.read(count)
assert len(resb) == count
return resb
def read_byte(reader=None):
resb = read_bytes(1, reader=reader)
res = struct.unpack('<B', resb)[0]
return res
# minor_version + major_version
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read_bytes(2 + 2)
# Constant pool
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int_count = u30()
for _c in range(1, int_count):
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s32()
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uint_count = u30()
for _c in range(1, uint_count):
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u32()
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double_count = u30()
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read_bytes((double_count-1) * 8)
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string_count = u30()
constant_strings = [u'']
for _c in range(1, string_count):
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s = read_string()
constant_strings.append(s)
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namespace_count = u30()
for _c in range(1, namespace_count):
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read_bytes(1) # kind
u30() # name
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ns_set_count = u30()
for _c in range(1, ns_set_count):
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count = u30()
for _c2 in range(count):
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u30()
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multiname_count = u30()
MULTINAME_SIZES = {
0x07: 2, # QName
0x0d: 2, # QNameA
0x0f: 1, # RTQName
0x10: 1, # RTQNameA
0x11: 0, # RTQNameL
0x12: 0, # RTQNameLA
0x09: 2, # Multiname
0x0e: 2, # MultinameA
0x1b: 1, # MultinameL
0x1c: 1, # MultinameLA
}
multinames = [u'']
for _c in range(1, multiname_count):
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kind = u30()
assert kind in MULTINAME_SIZES, u'Invalid multiname kind %r' % kind
if kind == 0x07:
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u30() # namespace_idx
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name_idx = u30()
multinames.append(constant_strings[name_idx])
else:
multinames.append('[MULTINAME kind: %d]' % kind)
for _c2 in range(MULTINAME_SIZES[kind]):
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u30()
# Methods
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method_count = u30()
MethodInfo = collections.namedtuple(
'MethodInfo',
['NEED_ARGUMENTS', 'NEED_REST'])
method_infos = []
for method_id in range(method_count):
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param_count = u30()
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u30() # return type
for _ in range(param_count):
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u30() # param type
u30() # name index (always 0 for youtube)
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flags = read_byte()
if flags & 0x08 != 0:
# Options present
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option_count = u30()
for c in range(option_count):
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u30() # val
read_bytes(1) # kind
if flags & 0x80 != 0:
# Param names present
for _ in range(param_count):
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u30() # param name
mi = MethodInfo(flags & 0x01 != 0, flags & 0x04 != 0)
method_infos.append(mi)
# Metadata
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metadata_count = u30()
for _c in range(metadata_count):
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u30() # name
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item_count = u30()
for _c2 in range(item_count):
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u30() # key
u30() # value
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def parse_traits_info():
trait_name_idx = u30()
kind_full = read_byte()
kind = kind_full & 0x0f
attrs = kind_full >> 4
methods = {}
if kind in [0x00, 0x06]: # Slot or Const
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u30() # Slot id
u30() # type_name_idx
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vindex = u30()
if vindex != 0:
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read_byte() # vkind
elif kind in [0x01, 0x02, 0x03]: # Method / Getter / Setter
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u30() # disp_id
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method_idx = u30()
methods[multinames[trait_name_idx]] = method_idx
elif kind == 0x04: # Class
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u30() # slot_id
u30() # classi
elif kind == 0x05: # Function
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u30() # slot_id
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function_idx = u30()
methods[function_idx] = multinames[trait_name_idx]
else:
raise ExtractorError(u'Unsupported trait kind %d' % kind)
if attrs & 0x4 != 0: # Metadata present
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metadata_count = u30()
for _c3 in range(metadata_count):
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u30() # metadata index
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return methods
# Classes
TARGET_CLASSNAME = u'SignatureDecipher'
searched_idx = multinames.index(TARGET_CLASSNAME)
searched_class_id = None
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class_count = u30()
for class_id in range(class_count):
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name_idx = u30()
if name_idx == searched_idx:
# We found the class we're looking for!
searched_class_id = class_id
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u30() # super_name idx
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flags = read_byte()
if flags & 0x08 != 0: # Protected namespace is present
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u30() # protected_ns_idx
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intrf_count = u30()
for _c2 in range(intrf_count):
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u30()
u30() # iinit
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trait_count = u30()
for _c2 in range(trait_count):
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parse_traits_info()
if searched_class_id is None:
raise ExtractorError(u'Target class %r not found' %
TARGET_CLASSNAME)
method_names = {}
method_idxs = {}
for class_id in range(class_count):
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u30() # cinit
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trait_count = u30()
for _c2 in range(trait_count):
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trait_methods = parse_traits_info()
if class_id == searched_class_id:
method_names.update(trait_methods.items())
method_idxs.update(dict(
(idx, name)
for name, idx in trait_methods.items()))
# Scripts
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script_count = u30()
for _c in range(script_count):
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u30() # init
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trait_count = u30()
for _c2 in range(trait_count):
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parse_traits_info()
# Method bodies
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method_body_count = u30()
Method = collections.namedtuple('Method', ['code', 'local_count'])
methods = {}
for _c in range(method_body_count):
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method_idx = u30()
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u30() # max_stack
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local_count = u30()
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u30() # init_scope_depth
u30() # max_scope_depth
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code_length = u30()
code = read_bytes(code_length)
if method_idx in method_idxs:
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m = Method(code, local_count)
methods[method_idxs[method_idx]] = m
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exception_count = u30()
for _c2 in range(exception_count):
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u30() # from
u30() # to
u30() # target
u30() # exc_type
u30() # var_name
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trait_count = u30()
for _c2 in range(trait_count):
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parse_traits_info()
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assert p + code_reader.tell() == len(code_tag)
assert len(methods) == len(method_idxs)
method_pyfunctions = {}
def extract_function(func_name):
if func_name in method_pyfunctions:
return method_pyfunctions[func_name]
if func_name not in methods:
raise ExtractorError(u'Cannot find function %r' % func_name)
m = methods[func_name]
def resfunc(args):
registers = ['(this)'] + list(args) + [None] * m.local_count
stack = []
coder = io.BytesIO(m.code)
while True:
opcode = struct.unpack('!B', coder.read(1))[0]
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if opcode == 36: # pushbyte
v = struct.unpack('!B', coder.read(1))[0]
stack.append(v)
elif opcode == 44: # pushstring
idx = u30(coder)
stack.append(constant_strings[idx])
elif opcode == 48: # pushscope
# We don't implement the scope register, so we'll just
# ignore the popped value
stack.pop()
elif opcode == 70: # callproperty
index = u30(coder)
mname = multinames[index]
arg_count = u30(coder)
args = list(reversed(
[stack.pop() for _ in range(arg_count)]))
obj = stack.pop()
if mname == u'split':
assert len(args) == 1
assert isinstance(args[0], compat_str)
assert isinstance(obj, compat_str)
if args[0] == u'':
res = list(obj)
else:
res = obj.split(args[0])
stack.append(res)
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elif mname == u'slice':
assert len(args) == 1
assert isinstance(args[0], int)
assert isinstance(obj, list)
res = obj[args[0]:]
stack.append(res)
elif mname == u'join':
assert len(args) == 1
assert isinstance(args[0], compat_str)
assert isinstance(obj, list)
res = args[0].join(obj)
stack.append(res)
elif mname in method_pyfunctions:
stack.append(method_pyfunctions[mname](args))
else:
raise NotImplementedError(
u'Unsupported property %r on %r'
% (mname, obj))
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elif opcode == 72: # returnvalue
res = stack.pop()
return res
elif opcode == 79: # callpropvoid
index = u30(coder)
mname = multinames[index]
arg_count = u30(coder)
args = list(reversed(
[stack.pop() for _ in range(arg_count)]))
obj = stack.pop()
if mname == u'reverse':
assert isinstance(obj, list)
obj.reverse()
else:
raise NotImplementedError(
u'Unsupported (void) property %r on %r'
% (mname, obj))
elif opcode == 93: # findpropstrict
index = u30(coder)
mname = multinames[index]
res = extract_function(mname)
stack.append(res)
elif opcode == 97: # setproperty
index = u30(coder)
value = stack.pop()
idx = stack.pop()
obj = stack.pop()
assert isinstance(obj, list)
assert isinstance(idx, int)
obj[idx] = value
elif opcode == 98: # getlocal
index = u30(coder)
stack.append(registers[index])
elif opcode == 99: # setlocal
index = u30(coder)
value = stack.pop()
registers[index] = value
elif opcode == 102: # getproperty
index = u30(coder)
pname = multinames[index]
if pname == u'length':
obj = stack.pop()
assert isinstance(obj, list)
stack.append(len(obj))
else: # Assume attribute access
idx = stack.pop()
assert isinstance(idx, int)
obj = stack.pop()
assert isinstance(obj, list)
stack.append(obj[idx])
elif opcode == 128: # coerce
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u30(coder)
elif opcode == 133: # coerce_s
assert isinstance(stack[-1], (type(None), compat_str))
elif opcode == 164: # modulo
value2 = stack.pop()
value1 = stack.pop()
res = value1 % value2
stack.append(res)
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elif opcode == 208: # getlocal_0
stack.append(registers[0])
elif opcode == 209: # getlocal_1
stack.append(registers[1])
elif opcode == 210: # getlocal_2
stack.append(registers[2])
elif opcode == 211: # getlocal_3
stack.append(registers[3])
elif opcode == 214: # setlocal_2
registers[2] = stack.pop()
elif opcode == 215: # setlocal_3
registers[3] = stack.pop()
else:
raise NotImplementedError(
u'Unsupported opcode %d' % opcode)
method_pyfunctions[func_name] = resfunc
return resfunc
initial_function = extract_function(u'decipher')
return lambda s: initial_function([s])
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def _decrypt_signature(self, s, video_id, player_url, age_gate=False):
"""Turn the encrypted s field into a working signature"""
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if player_url is not None:
try:
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if player_url not in self._player_cache:
func = self._extract_signature_function(
video_id, player_url, len(s)
)
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self._player_cache[player_url] = func
func = self._player_cache[player_url]
if self._downloader.params.get('youtube_print_sig_code'):
self._print_sig_code(func, len(s))
return func(s)
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except Exception:
tb = traceback.format_exc()
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self._downloader.report_warning(
u'Automatic signature extraction failed: ' + tb)
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self._downloader.report_warning(
u'Warning: Falling back to static signature algorithm')
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return self._static_decrypt_signature(
s, video_id, player_url, age_gate)
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def _static_decrypt_signature(self, s, video_id, player_url, age_gate):
if age_gate:
# The videos with age protection use another player, so the
# algorithms can be different.
if len(s) == 86:
return s[2:63] + s[82] + s[64:82] + s[63]
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if len(s) == 93:
return s[86:29:-1] + s[88] + s[28:5:-1]
elif len(s) == 92:
return s[25] + s[3:25] + s[0] + s[26:42] + s[79] + s[43:79] + s[91] + s[80:83]
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elif len(s) == 91:
return s[84:27:-1] + s[86] + s[26:5:-1]
elif len(s) == 90:
return s[25] + s[3:25] + s[2] + s[26:40] + s[77] + s[41:77] + s[89] + s[78:81]
elif len(s) == 89:
return s[84:78:-1] + s[87] + s[77:60:-1] + s[0] + s[59:3:-1]
elif len(s) == 88:
return s[7:28] + s[87] + s[29:45] + s[55] + s[46:55] + s[2] + s[56:87] + s[28]
elif len(s) == 87:
2013-08-15 20:00:20 +00:00
return s[6:27] + s[4] + s[28:39] + s[27] + s[40:59] + s[2] + s[60:]
elif len(s) == 86:
return s[5:34] + s[0] + s[35:38] + s[3] + s[39:45] + s[38] + s[46:53] + s[73] + s[54:73] + s[85] + s[74:85] + s[53]
elif len(s) == 85:
return s[3:11] + s[0] + s[12:55] + s[84] + s[56:84]
elif len(s) == 84:
return s[81:36:-1] + s[0] + s[35:2:-1]
elif len(s) == 83:
return s[81:64:-1] + s[82] + s[63:52:-1] + s[45] + s[51:45:-1] + s[1] + s[44:1:-1] + s[0]
elif len(s) == 82:
return s[80:73:-1] + s[81] + s[72:54:-1] + s[2] + s[53:43:-1] + s[0] + s[42:2:-1] + s[43] + s[1] + s[54]
elif len(s) == 81:
return s[56] + s[79:56:-1] + s[41] + s[55:41:-1] + s[80] + s[40:34:-1] + s[0] + s[33:29:-1] + s[34] + s[28:9:-1] + s[29] + s[8:0:-1] + s[9]
elif len(s) == 80:
return s[1:19] + s[0] + s[20:68] + s[19] + s[69:80]
elif len(s) == 79:
return s[54] + s[77:54:-1] + s[39] + s[53:39:-1] + s[78] + s[38:34:-1] + s[0] + s[33:29:-1] + s[34] + s[28:9:-1] + s[29] + s[8:0:-1] + s[9]
else:
raise ExtractorError(u'Unable to decrypt signature, key length %d not supported; retrying might work' % (len(s)))
def _decrypt_signature_age_gate(self, s):
# The videos with age protection use another player, so the algorithms
# can be different.
if len(s) == 86:
return s[2:63] + s[82] + s[64:82] + s[63]
else:
# Fallback to the other algortihms
return self._decrypt_signature(s)
def _get_available_subtitles(self, video_id):
try:
sub_list = self._download_webpage(
'http://video.google.com/timedtext?hl=en&type=list&v=%s' % video_id,
video_id, note=False)
except ExtractorError as err:
self._downloader.report_warning(u'unable to download video subtitles: %s' % compat_str(err))
return {}
lang_list = re.findall(r'name="([^"]*)"[^>]+lang_code="([\w\-]+)"', sub_list)
sub_lang_list = {}
for l in lang_list:
lang = l[1]
params = compat_urllib_parse.urlencode({
'lang': lang,
'v': video_id,
'fmt': self._downloader.params.get('subtitlesformat'),
})
url = u'http://www.youtube.com/api/timedtext?' + params
sub_lang_list[lang] = url
if not sub_lang_list:
self._downloader.report_warning(u'video doesn\'t have subtitles')
return {}
return sub_lang_list
def _get_available_automatic_caption(self, video_id, webpage):
"""We need the webpage for getting the captions url, pass it as an
argument to speed up the process."""
sub_format = self._downloader.params.get('subtitlesformat')
self.to_screen(u'%s: Looking for automatic captions' % video_id)
mobj = re.search(r';ytplayer.config = ({.*?});', webpage)
err_msg = u'Couldn\'t find automatic captions for %s' % video_id
if mobj is None:
self._downloader.report_warning(err_msg)
return {}
player_config = json.loads(mobj.group(1))
try:
args = player_config[u'args']
caption_url = args[u'ttsurl']
timestamp = args[u'timestamp']
# We get the available subtitles
list_params = compat_urllib_parse.urlencode({
'type': 'list',
'tlangs': 1,
'asrs': 1,
})
list_url = caption_url + '&' + list_params
list_page = self._download_webpage(list_url, video_id)
caption_list = xml.etree.ElementTree.fromstring(list_page.encode('utf-8'))
original_lang_node = caption_list.find('track')
if original_lang_node.attrib.get('kind') != 'asr' :
self._downloader.report_warning(u'Video doesn\'t have automatic captions')
return {}
original_lang = original_lang_node.attrib['lang_code']
sub_lang_list = {}
for lang_node in caption_list.findall('target'):
sub_lang = lang_node.attrib['lang_code']
params = compat_urllib_parse.urlencode({
'lang': original_lang,
'tlang': sub_lang,
'fmt': sub_format,
'ts': timestamp,
'kind': 'asr',
})
sub_lang_list[sub_lang] = caption_url + '&' + params
return sub_lang_list
# An extractor error can be raise by the download process if there are
# no automatic captions but there are subtitles
except (KeyError, ExtractorError):
self._downloader.report_warning(err_msg)
return {}
def _print_formats(self, formats):
print('Available formats:')
for x in formats:
print('%s\t:\t%s\t[%s]%s' %(x, self._video_extensions.get(x, 'flv'),
self._video_dimensions.get(x, '???'),
2013-08-20 01:22:25 +00:00
' ('+self._special_itags[x]+')' if x in self._special_itags else ''))
def _extract_id(self, url):
mobj = re.match(self._VALID_URL, url, re.VERBOSE)
if mobj is None:
raise ExtractorError(u'Invalid URL: %s' % url)
video_id = mobj.group(2)
return video_id
def _get_video_url_list(self, url_map):
"""
Transform a dictionary in the format {itag:url} to a list of (itag, url)
with the requested formats.
"""
req_format = self._downloader.params.get('format', None)
format_limit = self._downloader.params.get('format_limit', None)
available_formats = self._available_formats_prefer_free if self._downloader.params.get('prefer_free_formats', False) else self._available_formats
if format_limit is not None and format_limit in available_formats:
format_list = available_formats[available_formats.index(format_limit):]
else:
format_list = available_formats
existing_formats = [x for x in format_list if x in url_map]
if len(existing_formats) == 0:
raise ExtractorError(u'no known formats available for video')
if self._downloader.params.get('listformats', None):
self._print_formats(existing_formats)
return
if req_format is None or req_format == 'best':
video_url_list = [(existing_formats[0], url_map[existing_formats[0]])] # Best quality
elif req_format == 'worst':
video_url_list = [(existing_formats[-1], url_map[existing_formats[-1]])] # worst quality
elif req_format in ('-1', 'all'):
video_url_list = [(f, url_map[f]) for f in existing_formats] # All formats
else:
# Specific formats. We pick the first in a slash-delimeted sequence.
2013-08-31 00:51:50 +00:00
# Format can be specified as itag or 'mp4' or 'flv' etc. We pick the highest quality
# available in the specified format. For example,
# if '1/2/3/4' is requested and '2' and '4' are available, we pick '2'.
# if '1/mp4/3/4' is requested and '1' and '5' (is a mp4) are available, we pick '1'.
# if '1/mp4/3/4' is requested and '4' and '5' (is a mp4) are available, we pick '5'.
req_formats = req_format.split('/')
video_url_list = None
for rf in req_formats:
if rf in url_map:
video_url_list = [(rf, url_map[rf])]
break
2013-08-31 00:51:50 +00:00
if rf in self._video_formats_map:
for srf in self._video_formats_map[rf]:
if srf in url_map:
video_url_list = [(srf, url_map[srf])]
break
else:
continue
break
if video_url_list is None:
raise ExtractorError(u'requested format not available')
return video_url_list
def _extract_from_m3u8(self, manifest_url, video_id):
url_map = {}
def _get_urls(_manifest):
lines = _manifest.split('\n')
urls = filter(lambda l: l and not l.startswith('#'),
lines)
return urls
manifest = self._download_webpage(manifest_url, video_id, u'Downloading formats manifest')
formats_urls = _get_urls(manifest)
for format_url in formats_urls:
itag = self._search_regex(r'itag/(\d+?)/', format_url, 'itag')
url_map[itag] = format_url
return url_map
def _real_extract(self, url):
if re.match(r'(?:https?://)?[^/]+/watch\?feature=[a-z_]+$', url):
self._downloader.report_warning(u'Did you forget to quote the URL? Remember that & is a meta-character in most shells, so you want to put the URL in quotes, like youtube-dl \'http://www.youtube.com/watch?feature=foo&v=BaW_jenozKc\' (or simply youtube-dl BaW_jenozKc ).')
# Extract original video URL from URL with redirection, like age verification, using next_url parameter
mobj = re.search(self._NEXT_URL_RE, url)
if mobj:
url = 'https://www.youtube.com/' + compat_urllib_parse.unquote(mobj.group(1)).lstrip('/')
video_id = self._extract_id(url)
# Get video webpage
self.report_video_webpage_download(video_id)
url = 'https://www.youtube.com/watch?v=%s&gl=US&hl=en&has_verified=1' % video_id
request = compat_urllib_request.Request(url)
try:
video_webpage_bytes = compat_urllib_request.urlopen(request).read()
except (compat_urllib_error.URLError, compat_http_client.HTTPException, socket.error) as err:
raise ExtractorError(u'Unable to download video webpage: %s' % compat_str(err))
video_webpage = video_webpage_bytes.decode('utf-8', 'ignore')
# Attempt to extract SWF player URL
mobj = re.search(r'swfConfig.*?"(https?:\\/\\/.*?watch.*?-.*?\.swf)"', video_webpage)
if mobj is not None:
player_url = re.sub(r'\\(.)', r'\1', mobj.group(1))
else:
player_url = None
# Get video info
self.report_video_info_webpage_download(video_id)
if re.search(r'player-age-gate-content">', video_webpage) is not None:
self.report_age_confirmation()
age_gate = True
# We simulate the access to the video from www.youtube.com/v/{video_id}
# this can be viewed without login into Youtube
data = compat_urllib_parse.urlencode({'video_id': video_id,
'el': 'embedded',
'gl': 'US',
'hl': 'en',
'eurl': 'https://youtube.googleapis.com/v/' + video_id,
'asv': 3,
'sts':'1588',
})
video_info_url = 'https://www.youtube.com/get_video_info?' + data
video_info_webpage = self._download_webpage(video_info_url, video_id,
note=False,
errnote='unable to download video info webpage')
video_info = compat_parse_qs(video_info_webpage)
else:
age_gate = False
for el_type in ['&el=embedded', '&el=detailpage', '&el=vevo', '']:
video_info_url = ('https://www.youtube.com/get_video_info?&video_id=%s%s&ps=default&eurl=&gl=US&hl=en'
% (video_id, el_type))
video_info_webpage = self._download_webpage(video_info_url, video_id,
note=False,
errnote='unable to download video info webpage')
video_info = compat_parse_qs(video_info_webpage)
if 'token' in video_info:
break
if 'token' not in video_info:
if 'reason' in video_info:
raise ExtractorError(u'YouTube said: %s' % video_info['reason'][0], expected=True)
else:
raise ExtractorError(u'"token" parameter not in video info for unknown reason')
# Check for "rental" videos
if 'ypc_video_rental_bar_text' in video_info and 'author' not in video_info:
raise ExtractorError(u'"rental" videos not supported')
# Start extracting information
self.report_information_extraction(video_id)
# uploader
if 'author' not in video_info:
raise ExtractorError(u'Unable to extract uploader name')
video_uploader = compat_urllib_parse.unquote_plus(video_info['author'][0])
# uploader_id
video_uploader_id = None
mobj = re.search(r'<link itemprop="url" href="http://www.youtube.com/(?:user|channel)/([^"]+)">', video_webpage)
if mobj is not None:
video_uploader_id = mobj.group(1)
else:
self._downloader.report_warning(u'unable to extract uploader nickname')
# title
if 'title' not in video_info:
raise ExtractorError(u'Unable to extract video title')
video_title = compat_urllib_parse.unquote_plus(video_info['title'][0])
# thumbnail image
# We try first to get a high quality image:
m_thumb = re.search(r'<span itemprop="thumbnail".*?href="(.*?)">',
video_webpage, re.DOTALL)
if m_thumb is not None:
video_thumbnail = m_thumb.group(1)
elif 'thumbnail_url' not in video_info:
self._downloader.report_warning(u'unable to extract video thumbnail')
video_thumbnail = ''
else: # don't panic if we can't find it
video_thumbnail = compat_urllib_parse.unquote_plus(video_info['thumbnail_url'][0])
# upload date
upload_date = None
mobj = re.search(r'id="eow-date.*?>(.*?)</span>', video_webpage, re.DOTALL)
if mobj is not None:
upload_date = ' '.join(re.sub(r'[/,-]', r' ', mobj.group(1)).split())
upload_date = unified_strdate(upload_date)
# description
video_description = get_element_by_id("eow-description", video_webpage)
if video_description:
video_description = clean_html(video_description)
else:
fd_mobj = re.search(r'<meta name="description" content="([^"]+)"', video_webpage)
if fd_mobj:
video_description = unescapeHTML(fd_mobj.group(1))
else:
video_description = u''
# subtitles
video_subtitles = self.extract_subtitles(video_id, video_webpage)
if self._downloader.params.get('listsubtitles', False):
self._list_available_subtitles(video_id, video_webpage)
return
if 'length_seconds' not in video_info:
self._downloader.report_warning(u'unable to extract video duration')
video_duration = ''
else:
video_duration = compat_urllib_parse.unquote_plus(video_info['length_seconds'][0])
# Decide which formats to download
try:
mobj = re.search(r';ytplayer.config = ({.*?});', video_webpage)
if not mobj:
raise ValueError('Could not find vevo ID')
info = json.loads(mobj.group(1))
args = info['args']
# Easy way to know if the 's' value is in url_encoded_fmt_stream_map
# this signatures are encrypted
m_s = re.search(r'[&,]s=', args['url_encoded_fmt_stream_map'])
if m_s is not None:
self.to_screen(u'%s: Encrypted signatures detected.' % video_id)
video_info['url_encoded_fmt_stream_map'] = [args['url_encoded_fmt_stream_map']]
2013-08-21 04:42:49 +00:00
m_s = re.search(r'[&,]s=', args.get('adaptive_fmts', u''))
2013-08-21 04:57:32 +00:00
if m_s is not None:
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if 'url_encoded_fmt_stream_map' in video_info:
video_info['url_encoded_fmt_stream_map'][0] += ',' + args['adaptive_fmts']
else:
video_info['url_encoded_fmt_stream_map'] = [args['adaptive_fmts']]
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elif 'adaptive_fmts' in video_info:
2013-08-21 06:51:05 +00:00
if 'url_encoded_fmt_stream_map' in video_info:
video_info['url_encoded_fmt_stream_map'][0] += ',' + video_info['adaptive_fmts'][0]
else:
video_info['url_encoded_fmt_stream_map'] = video_info['adaptive_fmts']
except ValueError:
pass
if 'conn' in video_info and video_info['conn'][0].startswith('rtmp'):
self.report_rtmp_download()
video_url_list = [(None, video_info['conn'][0])]
elif 'url_encoded_fmt_stream_map' in video_info and len(video_info['url_encoded_fmt_stream_map']) >= 1:
if 'rtmpe%3Dyes' in video_info['url_encoded_fmt_stream_map'][0]:
raise ExtractorError('rtmpe downloads are not supported, see https://github.com/rg3/youtube-dl/issues/343 for more information.', expected=True)
url_map = {}
for url_data_str in video_info['url_encoded_fmt_stream_map'][0].split(','):
url_data = compat_parse_qs(url_data_str)
if 'itag' in url_data and 'url' in url_data:
url = url_data['url'][0]
if 'sig' in url_data:
url += '&signature=' + url_data['sig'][0]
elif 's' in url_data:
encrypted_sig = url_data['s'][0]
if self._downloader.params.get('verbose'):
if age_gate:
2013-09-21 13:19:48 +00:00
player_version = self._search_regex(
r'-(.+)\.swf$',
player_url if player_url else None,
'flash player', fatal=False)
player_desc = 'flash player %s' % player_version
else:
2013-09-21 13:19:48 +00:00
player_version = self._search_regex(
r'html5player-(.+?)\.js', video_webpage,
'html5 player', fatal=False)
player_desc = u'html5 player %s' % player_version
parts_sizes = u'.'.join(compat_str(len(part)) for part in encrypted_sig.split('.'))
self.to_screen(u'encrypted signature length %d (%s), itag %s, %s' %
(len(encrypted_sig), parts_sizes, url_data['itag'][0], player_desc))
2013-09-21 13:19:48 +00:00
if not age_gate:
jsplayer_url_json = self._search_regex(
r'"assets":.+?"js":\s*("[^"]+")',
video_webpage, u'JS player URL')
2013-09-21 13:19:48 +00:00
player_url = json.loads(jsplayer_url_json)
2013-09-21 13:19:48 +00:00
signature = self._decrypt_signature(
encrypted_sig, video_id, player_url, age_gate)
url += '&signature=' + signature
if 'ratebypass' not in url:
url += '&ratebypass=yes'
url_map[url_data['itag'][0]] = url
video_url_list = self._get_video_url_list(url_map)
if not video_url_list:
return
elif video_info.get('hlsvp'):
manifest_url = video_info['hlsvp'][0]
url_map = self._extract_from_m3u8(manifest_url, video_id)
video_url_list = self._get_video_url_list(url_map)
if not video_url_list:
return
else:
raise ExtractorError(u'no conn or url_encoded_fmt_stream_map information found in video info')
results = []
for format_param, video_real_url in video_url_list:
# Extension
video_extension = self._video_extensions.get(format_param, 'flv')
video_format = '{0} - {1}{2}'.format(format_param if format_param else video_extension,
self._video_dimensions.get(format_param, '???'),
2013-08-20 01:22:25 +00:00
' ('+self._special_itags[format_param]+')' if format_param in self._special_itags else '')
results.append({
'id': video_id,
'url': video_real_url,
'uploader': video_uploader,
'uploader_id': video_uploader_id,
'upload_date': upload_date,
'title': video_title,
'ext': video_extension,
'format': video_format,
'thumbnail': video_thumbnail,
'description': video_description,
'player_url': player_url,
'subtitles': video_subtitles,
'duration': video_duration
})
return results
class YoutubePlaylistIE(InfoExtractor):
IE_DESC = u'YouTube.com playlists'
_VALID_URL = r"""(?:
(?:https?://)?
(?:\w+\.)?
youtube\.com/
(?:
(?:course|view_play_list|my_playlists|artist|playlist|watch)
\? (?:.*?&)*? (?:p|a|list)=
| p/
)
((?:PL|EC|UU|FL)?[0-9A-Za-z-_]{10,})
.*
|
((?:PL|EC|UU|FL)[0-9A-Za-z-_]{10,})
)"""
_TEMPLATE_URL = 'https://gdata.youtube.com/feeds/api/playlists/%s?max-results=%i&start-index=%i&v=2&alt=json&safeSearch=none'
_MAX_RESULTS = 50
IE_NAME = u'youtube:playlist'
@classmethod
def suitable(cls, url):
"""Receives a URL and returns True if suitable for this IE."""
return re.match(cls._VALID_URL, url, re.VERBOSE) is not None
def _real_extract(self, url):
# Extract playlist id
mobj = re.match(self._VALID_URL, url, re.VERBOSE)
if mobj is None:
raise ExtractorError(u'Invalid URL: %s' % url)
# Download playlist videos from API
playlist_id = mobj.group(1) or mobj.group(2)
videos = []
for page_num in itertools.count(1):
start_index = self._MAX_RESULTS * (page_num - 1) + 1
if start_index >= 1000:
self._downloader.report_warning(u'Max number of results reached')
break
url = self._TEMPLATE_URL % (playlist_id, self._MAX_RESULTS, start_index)
page = self._download_webpage(url, playlist_id, u'Downloading page #%s' % page_num)
try:
response = json.loads(page)
except ValueError as err:
raise ExtractorError(u'Invalid JSON in API response: ' + compat_str(err))
if 'feed' not in response:
raise ExtractorError(u'Got a malformed response from YouTube API')
playlist_title = response['feed']['title']['$t']
if 'entry' not in response['feed']:
# Number of videos is a multiple of self._MAX_RESULTS
break
for entry in response['feed']['entry']:
index = entry['yt$position']['$t']
if 'media$group' in entry and 'yt$videoid' in entry['media$group']:
videos.append((
index,
'https://www.youtube.com/watch?v=' + entry['media$group']['yt$videoid']['$t']
))
videos = [v[1] for v in sorted(videos)]
url_results = [self.url_result(vurl, 'Youtube') for vurl in videos]
return [self.playlist_result(url_results, playlist_id, playlist_title)]
class YoutubeChannelIE(InfoExtractor):
IE_DESC = u'YouTube.com channels'
_VALID_URL = r"^(?:https?://)?(?:youtu\.be|(?:\w+\.)?youtube(?:-nocookie)?\.com)/channel/([0-9A-Za-z_-]+)"
_TEMPLATE_URL = 'http://www.youtube.com/channel/%s/videos?sort=da&flow=list&view=0&page=%s&gl=US&hl=en'
_MORE_PAGES_INDICATOR = 'yt-uix-load-more'
_MORE_PAGES_URL = 'http://www.youtube.com/c4_browse_ajax?action_load_more_videos=1&flow=list&paging=%s&view=0&sort=da&channel_id=%s'
IE_NAME = u'youtube:channel'
def extract_videos_from_page(self, page):
ids_in_page = []
for mobj in re.finditer(r'href="/watch\?v=([0-9A-Za-z_-]+)&?', page):
if mobj.group(1) not in ids_in_page:
ids_in_page.append(mobj.group(1))
return ids_in_page
def _real_extract(self, url):
# Extract channel id
mobj = re.match(self._VALID_URL, url)
if mobj is None:
raise ExtractorError(u'Invalid URL: %s' % url)
# Download channel page
channel_id = mobj.group(1)
video_ids = []
pagenum = 1
url = self._TEMPLATE_URL % (channel_id, pagenum)
page = self._download_webpage(url, channel_id,
u'Downloading page #%s' % pagenum)
# Extract video identifiers
ids_in_page = self.extract_videos_from_page(page)
video_ids.extend(ids_in_page)
# Download any subsequent channel pages using the json-based channel_ajax query
if self._MORE_PAGES_INDICATOR in page:
for pagenum in itertools.count(1):
url = self._MORE_PAGES_URL % (pagenum, channel_id)
page = self._download_webpage(url, channel_id,
u'Downloading page #%s' % pagenum)
page = json.loads(page)
ids_in_page = self.extract_videos_from_page(page['content_html'])
video_ids.extend(ids_in_page)
if self._MORE_PAGES_INDICATOR not in page['load_more_widget_html']:
break
self._downloader.to_screen(u'[youtube] Channel %s: Found %i videos' % (channel_id, len(video_ids)))
urls = ['http://www.youtube.com/watch?v=%s' % id for id in video_ids]
url_entries = [self.url_result(eurl, 'Youtube') for eurl in urls]
return [self.playlist_result(url_entries, channel_id)]
class YoutubeUserIE(InfoExtractor):
IE_DESC = u'YouTube.com user videos (URL or "ytuser" keyword)'
_VALID_URL = r'(?:(?:(?:https?://)?(?:\w+\.)?youtube\.com/(?:user/)?)|ytuser:)(?!feed/)([A-Za-z0-9_-]+)'
_TEMPLATE_URL = 'http://gdata.youtube.com/feeds/api/users/%s'
_GDATA_PAGE_SIZE = 50
_GDATA_URL = 'http://gdata.youtube.com/feeds/api/users/%s/uploads?max-results=%d&start-index=%d&alt=json'
IE_NAME = u'youtube:user'
@classmethod
def suitable(cls, url):
# Don't return True if the url can be extracted with other youtube
# extractor, the regex would is too permissive and it would match.
other_ies = iter(klass for (name, klass) in globals().items() if name.endswith('IE') and klass is not cls)
if any(ie.suitable(url) for ie in other_ies): return False
else: return super(YoutubeUserIE, cls).suitable(url)
def _real_extract(self, url):
# Extract username
mobj = re.match(self._VALID_URL, url)
if mobj is None:
raise ExtractorError(u'Invalid URL: %s' % url)
username = mobj.group(1)
# Download video ids using YouTube Data API. Result size per
# query is limited (currently to 50 videos) so we need to query
# page by page until there are no video ids - it means we got
# all of them.
video_ids = []
for pagenum in itertools.count(0):
start_index = pagenum * self._GDATA_PAGE_SIZE + 1
gdata_url = self._GDATA_URL % (username, self._GDATA_PAGE_SIZE, start_index)
page = self._download_webpage(gdata_url, username,
u'Downloading video ids from %d to %d' % (start_index, start_index + self._GDATA_PAGE_SIZE))
try:
response = json.loads(page)
except ValueError as err:
raise ExtractorError(u'Invalid JSON in API response: ' + compat_str(err))
if 'entry' not in response['feed']:
# Number of videos is a multiple of self._MAX_RESULTS
break
# Extract video identifiers
ids_in_page = []
for entry in response['feed']['entry']:
ids_in_page.append(entry['id']['$t'].split('/')[-1])
video_ids.extend(ids_in_page)
# A little optimization - if current page is not
# "full", ie. does not contain PAGE_SIZE video ids then
# we can assume that this page is the last one - there
# are no more ids on further pages - no need to query
# again.
if len(ids_in_page) < self._GDATA_PAGE_SIZE:
break
urls = ['http://www.youtube.com/watch?v=%s' % video_id for video_id in video_ids]
url_results = [self.url_result(rurl, 'Youtube') for rurl in urls]
return [self.playlist_result(url_results, playlist_title = username)]
class YoutubeSearchIE(SearchInfoExtractor):
IE_DESC = u'YouTube.com searches'
_API_URL = 'https://gdata.youtube.com/feeds/api/videos?q=%s&start-index=%i&max-results=50&v=2&alt=jsonc'
_MAX_RESULTS = 1000
IE_NAME = u'youtube:search'
_SEARCH_KEY = 'ytsearch'
def report_download_page(self, query, pagenum):
"""Report attempt to download search page with given number."""
self._downloader.to_screen(u'[youtube] query "%s": Downloading page %s' % (query, pagenum))
def _get_n_results(self, query, n):
"""Get a specified number of results for a query"""
video_ids = []
pagenum = 0
limit = n
while (50 * pagenum) < limit:
self.report_download_page(query, pagenum+1)
result_url = self._API_URL % (compat_urllib_parse.quote_plus(query), (50*pagenum)+1)
request = compat_urllib_request.Request(result_url)
try:
data = compat_urllib_request.urlopen(request).read().decode('utf-8')
except (compat_urllib_error.URLError, compat_http_client.HTTPException, socket.error) as err:
raise ExtractorError(u'Unable to download API page: %s' % compat_str(err))
api_response = json.loads(data)['data']
if not 'items' in api_response:
raise ExtractorError(u'[youtube] No video results')
new_ids = list(video['id'] for video in api_response['items'])
video_ids += new_ids
limit = min(n, api_response['totalItems'])
pagenum += 1
if len(video_ids) > n:
video_ids = video_ids[:n]
videos = [self.url_result('http://www.youtube.com/watch?v=%s' % id, 'Youtube') for id in video_ids]
return self.playlist_result(videos, query)
class YoutubeShowIE(InfoExtractor):
IE_DESC = u'YouTube.com (multi-season) shows'
_VALID_URL = r'https?://www\.youtube\.com/show/(.*)'
IE_NAME = u'youtube:show'
def _real_extract(self, url):
mobj = re.match(self._VALID_URL, url)
show_name = mobj.group(1)
webpage = self._download_webpage(url, show_name, u'Downloading show webpage')
# There's one playlist for each season of the show
m_seasons = list(re.finditer(r'href="(/playlist\?list=.*?)"', webpage))
self.to_screen(u'%s: Found %s seasons' % (show_name, len(m_seasons)))
return [self.url_result('https://www.youtube.com' + season.group(1), 'YoutubePlaylist') for season in m_seasons]
class YoutubeFeedsInfoExtractor(YoutubeBaseInfoExtractor):
"""
Base class for extractors that fetch info from
http://www.youtube.com/feed_ajax
Subclasses must define the _FEED_NAME and _PLAYLIST_TITLE properties.
"""
_LOGIN_REQUIRED = True
_PAGING_STEP = 30
# use action_load_personal_feed instead of action_load_system_feed
_PERSONAL_FEED = False
@property
def _FEED_TEMPLATE(self):
action = 'action_load_system_feed'
if self._PERSONAL_FEED:
action = 'action_load_personal_feed'
return 'http://www.youtube.com/feed_ajax?%s=1&feed_name=%s&paging=%%s' % (action, self._FEED_NAME)
@property
def IE_NAME(self):
return u'youtube:%s' % self._FEED_NAME
def _real_initialize(self):
self._login()
def _real_extract(self, url):
feed_entries = []
# The step argument is available only in 2.7 or higher
for i in itertools.count(0):
paging = i*self._PAGING_STEP
info = self._download_webpage(self._FEED_TEMPLATE % paging,
u'%s feed' % self._FEED_NAME,
u'Downloading page %s' % i)
info = json.loads(info)
feed_html = info['feed_html']
m_ids = re.finditer(r'"/watch\?v=(.*?)["&]', feed_html)
ids = orderedSet(m.group(1) for m in m_ids)
feed_entries.extend(self.url_result(id, 'Youtube') for id in ids)
if info['paging'] is None:
break
return self.playlist_result(feed_entries, playlist_title=self._PLAYLIST_TITLE)
class YoutubeSubscriptionsIE(YoutubeFeedsInfoExtractor):
IE_DESC = u'YouTube.com subscriptions feed, "ytsubs" keyword(requires authentication)'
_VALID_URL = r'https?://www\.youtube\.com/feed/subscriptions|:ytsubs(?:criptions)?'
_FEED_NAME = 'subscriptions'
_PLAYLIST_TITLE = u'Youtube Subscriptions'
class YoutubeRecommendedIE(YoutubeFeedsInfoExtractor):
IE_DESC = u'YouTube.com recommended videos, "ytrec" keyword (requires authentication)'
_VALID_URL = r'https?://www\.youtube\.com/feed/recommended|:ytrec(?:ommended)?'
_FEED_NAME = 'recommended'
_PLAYLIST_TITLE = u'Youtube Recommended videos'
class YoutubeWatchLaterIE(YoutubeFeedsInfoExtractor):
IE_DESC = u'Youtube watch later list, "ytwatchlater" keyword (requires authentication)'
_VALID_URL = r'https?://www\.youtube\.com/feed/watch_later|:ytwatchlater'
_FEED_NAME = 'watch_later'
_PLAYLIST_TITLE = u'Youtube Watch Later'
_PAGING_STEP = 100
_PERSONAL_FEED = True
class YoutubeFavouritesIE(YoutubeBaseInfoExtractor):
IE_NAME = u'youtube:favorites'
IE_DESC = u'YouTube.com favourite videos, "ytfav" keyword (requires authentication)'
_VALID_URL = r'https?://www\.youtube\.com/my_favorites|:ytfav(?:ou?rites)?'
_LOGIN_REQUIRED = True
def _real_extract(self, url):
webpage = self._download_webpage('https://www.youtube.com/my_favorites', 'Youtube Favourites videos')
playlist_id = self._search_regex(r'list=(.+?)["&]', webpage, u'favourites playlist id')
return self.url_result(playlist_id, 'YoutubePlaylist')