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youtube-dl/youtube_dl/extractor/youtube.py
Philipp Hagemeister c9cc0bf57b [youtube:playlist] PEP8
2014-09-01 01:00:40 +02:00

1539 lines
68 KiB
Python
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# coding: utf-8
import errno
import io
import itertools
import json
import os.path
import re
import traceback
from .common import InfoExtractor, SearchInfoExtractor
from .subtitles import SubtitlesInfoExtractor
from ..jsinterp import JSInterpreter
from ..swfinterp import SWFInterpreter
from ..utils import (
compat_chr,
compat_parse_qs,
compat_urllib_parse,
compat_urllib_request,
compat_urlparse,
compat_str,
clean_html,
get_cachedir,
get_element_by_id,
get_element_by_attribute,
ExtractorError,
int_or_none,
PagedList,
unescapeHTML,
unified_strdate,
orderedSet,
write_json_file,
uppercase_escape,
)
class YoutubeBaseInfoExtractor(InfoExtractor):
"""Provide base functions for Youtube extractors"""
_LOGIN_URL = 'https://accounts.google.com/ServiceLogin'
_TWOFACTOR_URL = 'https://accounts.google.com/SecondFactor'
_LANG_URL = r'https://www.youtube.com/?hl=en&persist_hl=1&gl=US&persist_gl=1&opt_out_ackd=1'
_AGE_URL = 'https://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 _set_language(self):
return bool(self._download_webpage(
self._LANG_URL, None,
note=u'Setting language', errnote='unable to set language',
fatal=False))
def _login(self):
"""
Attempt to log in to YouTube.
True is returned if successful or skipped.
False is returned if login failed.
If _LOGIN_REQUIRED is set and no authentication was provided, an error is raised.
"""
(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 True
login_page = self._download_webpage(
self._LOGIN_URL, None,
note=u'Downloading login page',
errnote=u'unable to fetch login page', fatal=False)
if login_page is False:
return
galx = self._search_regex(r'(?s)<input.+?name="GALX".+?value="(.+?)"',
login_page, u'Login GALX parameter')
# 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'霱',
u'bgresponse': u'js_disabled',
u'checkConnection': u'',
u'checkedDomains': u'youtube',
u'dnConn': u'',
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')
req = compat_urllib_request.Request(self._LOGIN_URL, login_data)
login_results = self._download_webpage(
req, None,
note=u'Logging in', errnote=u'unable to log in', fatal=False)
if login_results is False:
return False
if re.search(r'id="errormsg_0_Passwd"', login_results) is not None:
raise ExtractorError(u'Please use your account password and a two-factor code instead of an application-specific password.', expected=True)
# Two-Factor
# TODO add SMS and phone call support - these require making a request and then prompting the user
if re.search(r'(?i)<form[^>]* id="gaia_secondfactorform"', login_results) is not None:
tfa_code = self._get_tfa_info()
if tfa_code is None:
self._downloader.report_warning(u'Two-factor authentication required. Provide it with --twofactor <code>')
self._downloader.report_warning(u'(Note that only TOTP (Google Authenticator App) codes work at this time.)')
return False
# Unlike the first login form, secTok and timeStmp are both required for the TFA form
match = re.search(r'id="secTok"\n\s+value=\'(.+)\'/>', login_results, re.M | re.U)
if match is None:
self._downloader.report_warning(u'Failed to get secTok - did the page structure change?')
secTok = match.group(1)
match = re.search(r'id="timeStmp"\n\s+value=\'(.+)\'/>', login_results, re.M | re.U)
if match is None:
self._downloader.report_warning(u'Failed to get timeStmp - did the page structure change?')
timeStmp = match.group(1)
tfa_form_strs = {
u'continue': u'https://www.youtube.com/signin?action_handle_signin=true&feature=sign_in_button&hl=en_US&nomobiletemp=1',
u'smsToken': u'',
u'smsUserPin': tfa_code,
u'smsVerifyPin': u'Verify',
u'PersistentCookie': u'yes',
u'checkConnection': u'',
u'checkedDomains': u'youtube',
u'pstMsg': u'1',
u'secTok': secTok,
u'timeStmp': timeStmp,
u'service': u'youtube',
u'hl': u'en_US',
}
tfa_form = dict((k.encode('utf-8'), v.encode('utf-8')) for k,v in tfa_form_strs.items())
tfa_data = compat_urllib_parse.urlencode(tfa_form).encode('ascii')
tfa_req = compat_urllib_request.Request(self._TWOFACTOR_URL, tfa_data)
tfa_results = self._download_webpage(
tfa_req, None,
note=u'Submitting TFA code', errnote=u'unable to submit tfa', fatal=False)
if tfa_results is False:
return False
if re.search(r'(?i)<form[^>]* id="gaia_secondfactorform"', tfa_results) is not None:
self._downloader.report_warning(u'Two-factor code expired. Please try again, or use a one-use backup code instead.')
return False
if re.search(r'(?i)<form[^>]* id="gaia_loginform"', tfa_results) is not None:
self._downloader.report_warning(u'unable to log in - did the page structure change?')
return False
if re.search(r'smsauth-interstitial-reviewsettings', tfa_results) is not None:
self._downloader.report_warning(u'Your Google account has a security notice. Please log in on your web browser, resolve the notice, and try again.')
return False
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
return True
def _confirm_age(self):
age_form = {
'next_url': '/',
'action_confirm': 'Confirm',
}
req = compat_urllib_request.Request(self._AGE_URL,
compat_urllib_parse.urlencode(age_form).encode('ascii'))
self._download_webpage(
req, None,
note=u'Confirming age', errnote=u'Unable to confirm age')
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"""(?x)^
(
(?:https?://|//)? # http(s):// or protocol-independent URL (optional)
(?:(?:(?:(?:\w+\.)?[yY][oO][uU][tT][uU][bB][eE](?:-nocookie)?\.com/|
(?:www\.)?deturl\.com/www\.youtube\.com/|
(?:www\.)?pwnyoutube\.com/|
(?:www\.)?yourepeat\.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
|https?://(?:www\.)?cleanvideosearch\.com/media/action/yt/watch\?videoId=
)
)? # 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=([^&]+)'
_formats = {
'5': {'ext': 'flv', 'width': 400, 'height': 240},
'6': {'ext': 'flv', 'width': 450, 'height': 270},
'13': {'ext': '3gp'},
'17': {'ext': '3gp', 'width': 176, 'height': 144},
'18': {'ext': 'mp4', 'width': 640, 'height': 360},
'22': {'ext': 'mp4', 'width': 1280, 'height': 720},
'34': {'ext': 'flv', 'width': 640, 'height': 360},
'35': {'ext': 'flv', 'width': 854, 'height': 480},
'36': {'ext': '3gp', 'width': 320, 'height': 240},
'37': {'ext': 'mp4', 'width': 1920, 'height': 1080},
'38': {'ext': 'mp4', 'width': 4096, 'height': 3072},
'43': {'ext': 'webm', 'width': 640, 'height': 360},
'44': {'ext': 'webm', 'width': 854, 'height': 480},
'45': {'ext': 'webm', 'width': 1280, 'height': 720},
'46': {'ext': 'webm', 'width': 1920, 'height': 1080},
# 3d videos
'82': {'ext': 'mp4', 'height': 360, 'format_note': '3D', 'preference': -20},
'83': {'ext': 'mp4', 'height': 480, 'format_note': '3D', 'preference': -20},
'84': {'ext': 'mp4', 'height': 720, 'format_note': '3D', 'preference': -20},
'85': {'ext': 'mp4', 'height': 1080, 'format_note': '3D', 'preference': -20},
'100': {'ext': 'webm', 'height': 360, 'format_note': '3D', 'preference': -20},
'101': {'ext': 'webm', 'height': 480, 'format_note': '3D', 'preference': -20},
'102': {'ext': 'webm', 'height': 720, 'format_note': '3D', 'preference': -20},
# Apple HTTP Live Streaming
'92': {'ext': 'mp4', 'height': 240, 'format_note': 'HLS', 'preference': -10},
'93': {'ext': 'mp4', 'height': 360, 'format_note': 'HLS', 'preference': -10},
'94': {'ext': 'mp4', 'height': 480, 'format_note': 'HLS', 'preference': -10},
'95': {'ext': 'mp4', 'height': 720, 'format_note': 'HLS', 'preference': -10},
'96': {'ext': 'mp4', 'height': 1080, 'format_note': 'HLS', 'preference': -10},
'132': {'ext': 'mp4', 'height': 240, 'format_note': 'HLS', 'preference': -10},
'151': {'ext': 'mp4', 'height': 72, 'format_note': 'HLS', 'preference': -10},
# DASH mp4 video
'133': {'ext': 'mp4', 'height': 240, 'format_note': 'DASH video', 'acodec': 'none', 'preference': -40},
'134': {'ext': 'mp4', 'height': 360, 'format_note': 'DASH video', 'acodec': 'none', 'preference': -40},
'135': {'ext': 'mp4', 'height': 480, 'format_note': 'DASH video', 'acodec': 'none', 'preference': -40},
'136': {'ext': 'mp4', 'height': 720, 'format_note': 'DASH video', 'acodec': 'none', 'preference': -40},
'137': {'ext': 'mp4', 'height': 1080, 'format_note': 'DASH video', 'acodec': 'none', 'preference': -40},
'138': {'ext': 'mp4', 'height': 2160, 'format_note': 'DASH video', 'acodec': 'none', 'preference': -40},
'160': {'ext': 'mp4', 'height': 144, 'format_note': 'DASH video', 'acodec': 'none', 'preference': -40},
'264': {'ext': 'mp4', 'height': 1440, 'format_note': 'DASH video', 'acodec': 'none', 'preference': -40},
# Dash mp4 audio
'139': {'ext': 'm4a', 'format_note': 'DASH audio', 'vcodec': 'none', 'abr': 48, 'preference': -50},
'140': {'ext': 'm4a', 'format_note': 'DASH audio', 'vcodec': 'none', 'abr': 128, 'preference': -50},
'141': {'ext': 'm4a', 'format_note': 'DASH audio', 'vcodec': 'none', 'abr': 256, 'preference': -50},
# Dash webm
'167': {'ext': 'webm', 'height': 360, 'width': 640, 'format_note': 'DASH video', 'acodec': 'none', 'container': 'webm', 'vcodec': 'VP8', 'preference': -40},
'168': {'ext': 'webm', 'height': 480, 'width': 854, 'format_note': 'DASH video', 'acodec': 'none', 'container': 'webm', 'vcodec': 'VP8', 'preference': -40},
'169': {'ext': 'webm', 'height': 720, 'width': 1280, 'format_note': 'DASH video', 'acodec': 'none', 'container': 'webm', 'vcodec': 'VP8', 'preference': -40},
'170': {'ext': 'webm', 'height': 1080, 'width': 1920, 'format_note': 'DASH video', 'acodec': 'none', 'container': 'webm', 'vcodec': 'VP8', 'preference': -40},
'218': {'ext': 'webm', 'height': 480, 'width': 854, 'format_note': 'DASH video', 'acodec': 'none', 'container': 'webm', 'vcodec': 'VP8', 'preference': -40},
'219': {'ext': 'webm', 'height': 480, 'width': 854, 'format_note': 'DASH video', 'acodec': 'none', 'container': 'webm', 'vcodec': 'VP8', 'preference': -40},
'242': {'ext': 'webm', 'height': 240, 'format_note': 'DASH video', 'acodec': 'none', 'preference': -40},
'243': {'ext': 'webm', 'height': 360, 'format_note': 'DASH video', 'acodec': 'none', 'preference': -40},
'244': {'ext': 'webm', 'height': 480, 'format_note': 'DASH video', 'acodec': 'none', 'preference': -40},
'245': {'ext': 'webm', 'height': 480, 'format_note': 'DASH video', 'acodec': 'none', 'preference': -40},
'246': {'ext': 'webm', 'height': 480, 'format_note': 'DASH video', 'acodec': 'none', 'preference': -40},
'247': {'ext': 'webm', 'height': 720, 'format_note': 'DASH video', 'acodec': 'none', 'preference': -40},
'248': {'ext': 'webm', 'height': 1080, 'format_note': 'DASH video', 'acodec': 'none', 'preference': -40},
'271': {'ext': 'webm', 'height': 1440, 'format_note': 'DASH video', 'acodec': 'none', 'preference': -40},
'272': {'ext': 'webm', 'height': 2160, 'format_note': 'DASH video', 'acodec': 'none', 'preference': -40},
# Dash webm audio
'171': {'ext': 'webm', 'vcodec': 'none', 'format_note': 'DASH audio', 'abr': 128, 'preference': -50},
'172': {'ext': 'webm', 'vcodec': 'none', 'format_note': 'DASH audio', 'abr': 256, 'preference': -50},
# RTMP (unnamed)
'_rtmp': {'protocol': 'rtmp'},
}
IE_NAME = u'youtube'
_TESTS = [
{
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\ntest URL: https://github.com/rg3/youtube-dl/issues/1892\n\nThis is a test video for youtube-dl.\n\nFor more information, contact phihag@phihag.de .",
u"categories": [u'Science & Technology'],
'like_count': int,
'dislike_count': int,
}
},
{
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:fea86fda2d5a5784273df5c7cc994d9f",
u"uploader": u"Icona Pop",
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"//www.YouTube.com/watch?v=yZIXLfi8CZQ",
u"file": u"yZIXLfi8CZQ.mp4",
u"note": u"Embed-only video (#1746)",
u"info_dict": {
u"upload_date": u"20120608",
u"title": u"Principal Sexually Assaults A Teacher - Episode 117 - 8th June 2012",
u"description": u"md5:09b78bd971f1e3e289601dfba15ca4f7",
u"uploader": u"SET India",
u"uploader_id": u"setindia"
}
},
{
u"url": u"http://www.youtube.com/watch?v=a9LDPn-MO4I",
u"file": u"a9LDPn-MO4I.m4a",
u"note": u"256k DASH audio (format 141) via DASH manifest",
u"info_dict": {
u"upload_date": "20121002",
u"uploader_id": "8KVIDEO",
u"description": "No description available.",
u"uploader": "8KVIDEO",
u"title": "UHDTV TEST 8K VIDEO.mp4"
},
u"params": {
u"youtube_include_dash_manifest": True,
u"format": "141",
},
},
# DASH manifest with encrypted signature
{
u'url': u'https://www.youtube.com/watch?v=IB3lcPjvWLA',
u'info_dict': {
u'id': u'IB3lcPjvWLA',
u'ext': u'm4a',
u'title': u'Afrojack - The Spark ft. Spree Wilson',
u'description': u'md5:9717375db5a9a3992be4668bbf3bc0a8',
u'uploader': u'AfrojackVEVO',
u'uploader_id': u'AfrojackVEVO',
u'upload_date': u'20131011',
},
u"params": {
u'youtube_include_dash_manifest': True,
u'format': '141',
},
},
]
@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) is not None
def __init__(self, *args, **kwargs):
super(YoutubeIE, self).__init__(*args, **kwargs)
self._player_cache = {}
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 _signature_cache_id(self, example_sig):
""" Return a string representation of a signature """
return u'.'.join(compat_str(len(part)) for part in example_sig.split('.'))
def _extract_signature_function(self, video_id, player_url, example_sig):
id_m = re.match(
r'.*-(?P<id>[a-zA-Z0-9_-]+)(?:/watch_as3|/html5player)?\.(?P<ext>[a-z]+)$',
player_url)
if not id_m:
raise ExtractorError('Cannot identify player %r' % player_url)
player_type = id_m.group('ext')
player_id = id_m.group('id')
# Read from filesystem cache
func_id = '%s_%s_%s' % (
player_type, player_id, self._signature_cache_id(example_sig))
assert os.path.basename(func_id) == func_id
cache_dir = get_cachedir(self._downloader.params)
cache_enabled = cache_dir is not None
if cache_enabled:
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
except ValueError:
try:
file_size = os.path.getsize(cache_fn)
except (OSError, IOError) as oe:
file_size = str(oe)
self._downloader.report_warning(
u'Cache %s failed (%s)' % (cache_fn, file_size))
if player_type == 'js':
code = self._download_webpage(
player_url, video_id,
note=u'Downloading %s player %s' % (player_type, player_id),
errnote=u'Download of %s failed' % player_url)
res = self._parse_sig_js(code)
elif player_type == 'swf':
urlh = self._request_webpage(
player_url, video_id,
note=u'Downloading %s player %s' % (player_type, player_id),
errnote=u'Download of %s failed' % player_url)
code = urlh.read()
res = self._parse_sig_swf(code)
else:
assert False, 'Invalid player type %r' % player_type
if cache_enabled:
try:
test_string = u''.join(map(compat_chr, range(len(example_sig))))
cache_res = res(test_string)
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)
except Exception:
tb = traceback.format_exc()
self._downloader.report_warning(
u'Writing cache to %r failed: %s' % (cache_fn, tb))
return res
def _print_sig_code(self, func, example_sig):
def gen_sig_code(idxs):
def _genslice(start, end, step):
starts = u'' if start == 0 else str(start)
ends = (u':%d' % (end+step)) if end + step >= 0 else u':'
steps = u'' if step == 1 else (u':%d' % step)
return u's[%s%s%s]' % (starts, ends, steps)
step = None
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)
test_string = u''.join(map(compat_chr, range(len(example_sig))))
cache_res = func(test_string)
cache_spec = [ord(c) for c in cache_res]
expr_code = u' + '.join(gen_sig_code(cache_spec))
signature_id_tuple = '(%s)' % (
', '.join(compat_str(len(p)) for p in example_sig.split('.')))
code = (u'if tuple(len(p) for p in s.split(\'.\')) == %s:\n'
u' return %s\n') % (signature_id_tuple, expr_code)
self.to_screen(u'Extracted signature function:\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')
jsi = JSInterpreter(jscode)
initial_function = jsi.extract_function(funcname)
return lambda s: initial_function([s])
def _parse_sig_swf(self, file_contents):
swfi = SWFInterpreter(file_contents)
TARGET_CLASSNAME = u'SignatureDecipher'
searched_class = swfi.extract_class(TARGET_CLASSNAME)
initial_function = swfi.extract_function(searched_class, u'decipher')
return lambda s: initial_function([s])
def _decrypt_signature(self, s, video_id, player_url, age_gate=False):
"""Turn the encrypted s field into a working signature"""
if player_url is None:
raise ExtractorError(u'Cannot decrypt signature without player_url')
if player_url.startswith(u'//'):
player_url = u'https:' + player_url
try:
player_id = (player_url, self._signature_cache_id(s))
if player_id not in self._player_cache:
func = self._extract_signature_function(
video_id, player_url, s
)
self._player_cache[player_id] = func
func = self._player_cache[player_id]
if self._downloader.params.get('youtube_print_sig_code'):
self._print_sig_code(func, s)
return func(s)
except Exception as e:
tb = traceback.format_exc()
raise ExtractorError(
u'Signature extraction failed: ' + tb, cause=e)
def _get_available_subtitles(self, video_id, webpage):
try:
sub_list = self._download_webpage(
'https://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]
if lang in sub_lang_list:
continue
params = compat_urllib_parse.urlencode({
'lang': lang,
'v': video_id,
'fmt': self._downloader.params.get('subtitlesformat', 'srt'),
'name': unescapeHTML(l[0]).encode('utf-8'),
})
url = u'https://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', 'srt')
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
caption_list = self._download_xml(list_url, video_id)
original_lang_node = caption_list.find('track')
if original_lang_node is None or 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 {}
@classmethod
def extract_id(cls, url):
mobj = re.match(cls._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 _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 _extract_annotations(self, video_id):
url = 'https://www.youtube.com/annotations_invideo?features=1&legacy=1&video_id=%s' % video_id
return self._download_webpage(url, video_id, note=u'Searching for annotations.', errnote=u'Unable to download video annotations.')
def _real_extract(self, url):
proto = (
u'http' if self._downloader.params.get('prefer_insecure', False)
else u'https')
# 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 = proto + '://www.youtube.com/' + compat_urllib_parse.unquote(mobj.group(1)).lstrip('/')
video_id = self.extract_id(url)
# Get video webpage
url = proto + '://www.youtube.com/watch?v=%s&gl=US&hl=en&has_verified=1' % video_id
video_webpage = self._download_webpage(url, video_id)
# 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,
'eurl': 'https://youtube.googleapis.com/v/' + video_id,
'sts': self._search_regex(
r'"sts"\s*:\s*(\d+)', video_webpage, 'sts'),
})
video_info_url = proto + '://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 = (proto + '://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, video_id=video_id)
else:
raise ExtractorError(
u'"token" parameter not in video info for unknown reason',
video_id=video_id)
if 'view_count' in video_info:
view_count = int(video_info['view_count'][0])
else:
view_count = None
# 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' in video_info:
video_title = video_info['title'][0]
else:
self._downloader.report_warning(u'Unable to extract video title')
video_title = u'_'
# 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 = None
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'(?s)id="eow-date.*?>(.*?)</span>', video_webpage)
if mobj is None:
mobj = re.search(
r'(?s)id="watch-uploader-info".*?>.*?(?:Published|Uploaded|Streamed live) on (.*?)</strong>',
video_webpage)
if mobj is not None:
upload_date = ' '.join(re.sub(r'[/,-]', r' ', mobj.group(1)).split())
upload_date = unified_strdate(upload_date)
m_cat_container = self._search_regex(
r'(?s)<h4[^>]*>\s*Category\s*</h4>\s*<ul[^>]*>(.*?)</ul>',
video_webpage, 'categories', fatal=False)
if m_cat_container:
category = self._html_search_regex(
r'(?s)<a[^<]+>(.*?)</a>', m_cat_container, 'category',
default=None)
video_categories = None if category is None else [category]
else:
video_categories = None
# description
video_description = get_element_by_id("eow-description", video_webpage)
if video_description:
video_description = re.sub(r'''(?x)
<a\s+
(?:[a-zA-Z-]+="[^"]+"\s+)*?
title="([^"]+)"\s+
(?:[a-zA-Z-]+="[^"]+"\s+)*?
class="yt-uix-redirect-link"\s*>
[^<]+
</a>
''', r'\1', 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''
def _extract_count(count_name):
count = self._search_regex(
r'id="watch-%s"[^>]*>.*?([\d,]+)\s*</span>' % re.escape(count_name),
video_webpage, count_name, default=None)
if count is not None:
return int(count.replace(',', ''))
return None
like_count = _extract_count(u'like')
dislike_count = _extract_count(u'dislike')
# 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 = None
else:
video_duration = int(compat_urllib_parse.unquote_plus(video_info['length_seconds'][0]))
# annotations
video_annotations = None
if self._downloader.params.get('writeannotations', False):
video_annotations = self._extract_annotations(video_id)
# Decide which formats to download
try:
mobj = re.search(r';ytplayer\.config\s*=\s*({.*?});', video_webpage)
if not mobj:
raise ValueError('Could not find vevo ID')
json_code = uppercase_escape(mobj.group(1))
ytplayer_config = json.loads(json_code)
args = ytplayer_config['args']
# Easy way to know if the 's' value is in url_encoded_fmt_stream_map
# this signatures are encrypted
if 'url_encoded_fmt_stream_map' not in args:
raise ValueError(u'No stream_map present') # caught below
re_signature = re.compile(r'[&,]s=')
m_s = re_signature.search(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']]
m_s = re_signature.search(args.get('adaptive_fmts', u''))
if m_s is not None:
if 'adaptive_fmts' in video_info:
video_info['adaptive_fmts'][0] += ',' + args['adaptive_fmts']
else:
video_info['adaptive_fmts'] = [args['adaptive_fmts']]
except ValueError:
pass
def _map_to_format_list(urlmap):
formats = []
for itag, video_real_url in urlmap.items():
dct = {
'format_id': itag,
'url': video_real_url,
'player_url': player_url,
}
if itag in self._formats:
dct.update(self._formats[itag])
formats.append(dct)
return formats
if 'conn' in video_info and video_info['conn'][0].startswith('rtmp'):
self.report_rtmp_download()
formats = [{
'format_id': '_rtmp',
'protocol': 'rtmp',
'url': video_info['conn'][0],
'player_url': player_url,
}]
elif len(video_info.get('url_encoded_fmt_stream_map', [])) >= 1 or len(video_info.get('adaptive_fmts', [])) >= 1:
encoded_url_map = video_info.get('url_encoded_fmt_stream_map', [''])[0] + ',' + video_info.get('adaptive_fmts',[''])[0]
if 'rtmpe%3Dyes' in encoded_url_map:
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 encoded_url_map.split(','):
url_data = compat_parse_qs(url_data_str)
if 'itag' not in url_data or 'url' not in url_data:
continue
format_id = url_data['itag'][0]
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 not age_gate:
jsplayer_url_json = self._search_regex(
r'"assets":.+?"js":\s*("[^"]+")',
video_webpage, u'JS player URL')
player_url = json.loads(jsplayer_url_json)
if player_url is None:
player_url_json = self._search_regex(
r'ytplayer\.config.*?"url"\s*:\s*("[^"]+")',
video_webpage, u'age gate player URL')
player_url = json.loads(player_url_json)
if self._downloader.params.get('verbose'):
if player_url is None:
player_version = 'unknown'
player_desc = 'unknown'
else:
if player_url.endswith('swf'):
player_version = self._search_regex(
r'-(.+?)(?:/watch_as3)?\.swf$', player_url,
u'flash player', fatal=False)
player_desc = 'flash player %s' % player_version
else:
player_version = self._search_regex(
r'html5player-([^/]+?)(?:/html5player)?\.js',
player_url,
'html5 player', fatal=False)
player_desc = u'html5 player %s' % player_version
parts_sizes = self._signature_cache_id(encrypted_sig)
self.to_screen(u'{%s} signature length %s, %s' %
(format_id, parts_sizes, player_desc))
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[format_id] = url
formats = _map_to_format_list(url_map)
elif video_info.get('hlsvp'):
manifest_url = video_info['hlsvp'][0]
url_map = self._extract_from_m3u8(manifest_url, video_id)
formats = _map_to_format_list(url_map)
else:
raise ExtractorError(u'no conn, hlsvp or url_encoded_fmt_stream_map information found in video info')
# Look for the DASH manifest
if (self._downloader.params.get('youtube_include_dash_manifest', False)):
try:
# The DASH manifest used needs to be the one from the original video_webpage.
# The one found in get_video_info seems to be using different signatures.
# However, in the case of an age restriction there won't be any embedded dashmpd in the video_webpage.
# Luckily, it seems, this case uses some kind of default signature (len == 86), so the
# combination of get_video_info and the _static_decrypt_signature() decryption fallback will work here.
if age_gate:
dash_manifest_url = video_info.get('dashmpd')[0]
else:
dash_manifest_url = ytplayer_config['args']['dashmpd']
def decrypt_sig(mobj):
s = mobj.group(1)
dec_s = self._decrypt_signature(s, video_id, player_url, age_gate)
return '/signature/%s' % dec_s
dash_manifest_url = re.sub(r'/s/([\w\.]+)', decrypt_sig, dash_manifest_url)
dash_doc = self._download_xml(
dash_manifest_url, video_id,
note=u'Downloading DASH manifest',
errnote=u'Could not download DASH manifest')
for r in dash_doc.findall(u'.//{urn:mpeg:DASH:schema:MPD:2011}Representation'):
url_el = r.find('{urn:mpeg:DASH:schema:MPD:2011}BaseURL')
if url_el is None:
continue
format_id = r.attrib['id']
video_url = url_el.text
filesize = int_or_none(url_el.attrib.get('{http://youtube.com/yt/2012/10/10}contentLength'))
f = {
'format_id': format_id,
'url': video_url,
'width': int_or_none(r.attrib.get('width')),
'tbr': int_or_none(r.attrib.get('bandwidth'), 1000),
'asr': int_or_none(r.attrib.get('audioSamplingRate')),
'filesize': filesize,
}
try:
existing_format = next(
fo for fo in formats
if fo['format_id'] == format_id)
except StopIteration:
f.update(self._formats.get(format_id, {}))
formats.append(f)
else:
existing_format.update(f)
except (ExtractorError, KeyError) as e:
self.report_warning(u'Skipping DASH manifest: %s' % e, video_id)
self._sort_formats(formats)
return {
'id': video_id,
'uploader': video_uploader,
'uploader_id': video_uploader_id,
'upload_date': upload_date,
'title': video_title,
'thumbnail': video_thumbnail,
'description': video_description,
'categories': video_categories,
'subtitles': video_subtitles,
'duration': video_duration,
'age_limit': 18 if age_gate else 0,
'annotations': video_annotations,
'webpage_url': proto + '://www.youtube.com/watch?v=%s' % video_id,
'view_count': view_count,
'like_count': like_count,
'dislike_count': dislike_count,
'formats': formats,
}
class YoutubePlaylistIE(YoutubeBaseInfoExtractor):
IE_DESC = u'YouTube.com playlists'
_VALID_URL = r"""(?x)(?:
(?:https?://)?
(?:\w+\.)?
youtube\.com/
(?:
(?:course|view_play_list|my_playlists|artist|playlist|watch)
\? (?:.*?&)*? (?:p|a|list)=
| p/
)
(
(?:PL|LL|EC|UU|FL|RD)?[0-9A-Za-z-_]{10,}
# Top tracks, they can also include dots
|(?:MC)[\w\.]*
)
.*
|
((?:PL|LL|EC|UU|FL|RD)[0-9A-Za-z-_]{10,})
)"""
_TEMPLATE_URL = 'https://www.youtube.com/playlist?list=%s'
_MORE_PAGES_INDICATOR = r'data-link-type="next"'
_VIDEO_RE = r'href="\s*/watch\?v=(?P<id>[0-9A-Za-z_-]{11})&amp;[^"]*?index=(?P<index>\d+)'
IE_NAME = u'youtube:playlist'
def _real_initialize(self):
self._login()
def _ids_to_results(self, ids):
return [
self.url_result(vid_id, 'Youtube', video_id=vid_id)
for vid_id in ids]
def _extract_mix(self, playlist_id):
# The mixes are generated from a a single video
# the id of the playlist is just 'RD' + video_id
url = 'https://youtube.com/watch?v=%s&list=%s' % (playlist_id[-11:], playlist_id)
webpage = self._download_webpage(
url, playlist_id, u'Downloading Youtube mix')
search_title = lambda class_name: get_element_by_attribute('class', class_name, webpage)
title_span = (
search_title('playlist-title') or
search_title('title long-title') or
search_title('title'))
title = clean_html(title_span)
ids = orderedSet(re.findall(
r'''(?xs)data-video-username=".*?".*?
href="/watch\?v=([0-9A-Za-z_-]{11})&amp;[^"]*?list=%s''' % re.escape(playlist_id),
webpage))
url_results = self._ids_to_results(ids)
return self.playlist_result(url_results, playlist_id, title)
def _real_extract(self, url):
# Extract playlist id
mobj = re.match(self._VALID_URL, url)
if mobj is None:
raise ExtractorError(u'Invalid URL: %s' % url)
playlist_id = mobj.group(1) or mobj.group(2)
# Check if it's a video-specific URL
query_dict = compat_urlparse.parse_qs(compat_urlparse.urlparse(url).query)
if 'v' in query_dict:
video_id = query_dict['v'][0]
if self._downloader.params.get('noplaylist'):
self.to_screen(u'Downloading just video %s because of --no-playlist' % video_id)
return self.url_result(video_id, 'Youtube', video_id=video_id)
else:
self.to_screen(u'Downloading playlist %s - add --no-playlist to just download video %s' % (playlist_id, video_id))
if playlist_id.startswith('RD'):
# Mixes require a custom extraction process
return self._extract_mix(playlist_id)
if playlist_id.startswith('TL'):
raise ExtractorError(u'For downloading YouTube.com top lists, use '
u'the "yttoplist" keyword, for example "youtube-dl \'yttoplist:music:Top Tracks\'"', expected=True)
url = self._TEMPLATE_URL % playlist_id
page = self._download_webpage(url, playlist_id)
more_widget_html = content_html = page
# Check if the playlist exists or is private
if re.search(r'<div class="yt-alert-message">[^<]*?(The|This) playlist (does not exist|is private)[^<]*?</div>', page) is not None:
raise ExtractorError(
u'The playlist doesn\'t exist or is private, use --username or '
'--netrc to access it.',
expected=True)
# Extract the video ids from the playlist pages
ids = []
for page_num in itertools.count(1):
matches = re.finditer(self._VIDEO_RE, content_html)
# We remove the duplicates and the link with index 0
# (it's not the first video of the playlist)
new_ids = orderedSet(m.group('id') for m in matches if m.group('index') != '0')
ids.extend(new_ids)
mobj = re.search(r'data-uix-load-more-href="/?(?P<more>[^"]+)"', more_widget_html)
if not mobj:
break
more = self._download_json(
'https://youtube.com/%s' % mobj.group('more'), playlist_id,
'Downloading page #%s' % page_num,
transform_source=uppercase_escape)
content_html = more['content_html']
more_widget_html = more['load_more_widget_html']
playlist_title = self._html_search_regex(
r'(?s)<h1 class="pl-header-title[^"]*">\s*(.*?)\s*</h1>',
page, u'title')
url_results = self._ids_to_results(ids)
return self.playlist_result(url_results, playlist_id, playlist_title)
class YoutubeTopListIE(YoutubePlaylistIE):
IE_NAME = u'youtube:toplist'
IE_DESC = (u'YouTube.com top lists, "yttoplist:{channel}:{list title}"'
u' (Example: "yttoplist:music:Top Tracks")')
_VALID_URL = r'yttoplist:(?P<chann>.*?):(?P<title>.*?)$'
def _real_extract(self, url):
mobj = re.match(self._VALID_URL, url)
channel = mobj.group('chann')
title = mobj.group('title')
query = compat_urllib_parse.urlencode({'title': title})
playlist_re = 'href="([^"]+?%s.*?)"' % re.escape(query)
channel_page = self._download_webpage('https://www.youtube.com/%s' % channel, title)
link = self._html_search_regex(playlist_re, channel_page, u'list')
url = compat_urlparse.urljoin('https://www.youtube.com/', link)
video_re = r'data-index="\d+".*?data-video-id="([0-9A-Za-z_-]{11})"'
ids = []
# sometimes the webpage doesn't contain the videos
# retry until we get them
for i in itertools.count(0):
msg = u'Downloading Youtube mix'
if i > 0:
msg += ', retry #%d' % i
webpage = self._download_webpage(url, title, msg)
ids = orderedSet(re.findall(video_re, webpage))
if ids:
break
url_results = self._ids_to_results(ids)
return self.playlist_result(url_results, playlist_title=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_-]+)"
_MORE_PAGES_INDICATOR = 'yt-uix-load-more'
_MORE_PAGES_URL = 'https://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 = []
url = 'https://www.youtube.com/channel/%s/videos' % channel_id
channel_page = self._download_webpage(url, channel_id)
autogenerated = re.search(r'''(?x)
class="[^"]*?(?:
channel-header-autogenerated-label|
yt-channel-title-autogenerated
)[^"]*"''', channel_page) is not None
if autogenerated:
# The videos are contained in a single page
# the ajax pages can't be used, they are empty
video_ids = self.extract_videos_from_page(channel_page)
else:
# Download all channel pages using the json-based channel_ajax query
for pagenum in itertools.count(1):
url = self._MORE_PAGES_URL % (pagenum, channel_id)
page = self._download_json(
url, channel_id, note=u'Downloading page #%s' % pagenum,
transform_source=uppercase_escape)
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)))
url_entries = [self.url_result(video_id, 'Youtube', video_id=video_id)
for video_id in video_ids]
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/)?(?!(?:attribution_link|watch|results)(?:$|[^a-z_A-Z0-9-])))|ytuser:)(?!feed/)([A-Za-z0-9_-]+)'
_TEMPLATE_URL = 'https://gdata.youtube.com/feeds/api/users/%s'
_GDATA_PAGE_SIZE = 50
_GDATA_URL = 'https://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.
def download_page(pagenum):
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']:
return
# Extract video identifiers
entries = response['feed']['entry']
for entry in entries:
title = entry['title']['$t']
video_id = entry['id']['$t'].split('/')[-1]
yield {
'_type': 'url',
'url': video_id,
'ie_key': 'Youtube',
'id': video_id,
'title': title,
}
url_results = PagedList(download_page, self._GDATA_PAGE_SIZE)
return self.playlist_result(url_results, playlist_title=username)
class YoutubeSearchIE(SearchInfoExtractor):
IE_DESC = u'YouTube.com searches'
_API_URL = u'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 _get_n_results(self, query, n):
"""Get a specified number of results for a query"""
video_ids = []
pagenum = 0
limit = n
PAGE_SIZE = 50
while (PAGE_SIZE * pagenum) < limit:
result_url = self._API_URL % (
compat_urllib_parse.quote_plus(query.encode('utf-8')),
(PAGE_SIZE * pagenum) + 1)
data_json = self._download_webpage(
result_url, video_id=u'query "%s"' % query,
note=u'Downloading page %s' % (pagenum + 1),
errnote=u'Unable to download API page')
data = json.loads(data_json)
api_response = data['data']
if 'items' not in api_response:
raise ExtractorError(
u'[youtube] No video results', expected=True)
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(video_id, 'Youtube', video_id=video_id)
for video_id in video_ids]
return self.playlist_result(videos, query)
class YoutubeSearchDateIE(YoutubeSearchIE):
IE_NAME = YoutubeSearchIE.IE_NAME + ':date'
_API_URL = 'https://gdata.youtube.com/feeds/api/videos?q=%s&start-index=%i&max-results=50&v=2&alt=jsonc&orderby=published'
_SEARCH_KEY = 'ytsearchdate'
IE_DESC = u'YouTube.com searches, newest videos first'
class YoutubeSearchURLIE(InfoExtractor):
IE_DESC = u'YouTube.com search URLs'
IE_NAME = u'youtube:search_url'
_VALID_URL = r'https?://(?:www\.)?youtube\.com/results\?(.*?&)?search_query=(?P<query>[^&]+)(?:[&]|$)'
def _real_extract(self, url):
mobj = re.match(self._VALID_URL, url)
query = compat_urllib_parse.unquote_plus(mobj.group('query'))
webpage = self._download_webpage(url, query)
result_code = self._search_regex(
r'(?s)<ol class="item-section"(.*?)</ol>', webpage, u'result HTML')
part_codes = re.findall(
r'(?s)<h3 class="yt-lockup-title">(.*?)</h3>', result_code)
entries = []
for part_code in part_codes:
part_title = self._html_search_regex(
[r'(?s)title="([^"]+)"', r'>([^<]+)</a>'], part_code, 'item title', fatal=False)
part_url_snippet = self._html_search_regex(
r'(?s)href="([^"]+)"', part_code, 'item URL')
part_url = compat_urlparse.urljoin(
'https://www.youtube.com/', part_url_snippet)
entries.append({
'_type': 'url',
'url': part_url,
'title': part_title,
})
return {
'_type': 'playlist',
'entries': entries,
'title': 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
# 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 'https://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 = []
paging = 0
for i in itertools.count(1):
info = self._download_json(self._FEED_TEMPLATE % paging,
u'%s feed' % self._FEED_NAME,
u'Downloading page %s' % i)
feed_html = info.get('feed_html') or info.get('content_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(video_id, 'Youtube', video_id=video_id)
for video_id in ids)
mobj = re.search(
r'data-uix-load-more-href="/?[^"]+paging=(?P<paging>\d+)',
feed_html)
if mobj is None:
break
paging = mobj.group('paging')
return self.playlist_result(feed_entries, playlist_title=self._PLAYLIST_TITLE)
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'
_PERSONAL_FEED = True
class YoutubeHistoryIE(YoutubeFeedsInfoExtractor):
IE_DESC = u'Youtube watch history, "ythistory" keyword (requires authentication)'
_VALID_URL = u'https?://www\.youtube\.com/feed/history|:ythistory'
_FEED_NAME = 'history'
_PERSONAL_FEED = True
_PLAYLIST_TITLE = u'Youtube Watch History'
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')
class YoutubeSubscriptionsIE(YoutubePlaylistIE):
IE_NAME = u'youtube:subscriptions'
IE_DESC = u'YouTube.com subscriptions feed, "ytsubs" keyword (requires authentication)'
_VALID_URL = r'https?://www\.youtube\.com/feed/subscriptions|:ytsubs(?:criptions)?'
def _real_extract(self, url):
title = u'Youtube Subscriptions'
page = self._download_webpage('https://www.youtube.com/feed/subscriptions', title)
# The extraction process is the same as for playlists, but the regex
# for the video ids doesn't contain an index
ids = []
more_widget_html = content_html = page
for page_num in itertools.count(1):
matches = re.findall(r'href="\s*/watch\?v=([0-9A-Za-z_-]{11})', content_html)
new_ids = orderedSet(matches)
ids.extend(new_ids)
mobj = re.search(r'data-uix-load-more-href="/?(?P<more>[^"]+)"', more_widget_html)
if not mobj:
break
more = self._download_json(
'https://youtube.com/%s' % mobj.group('more'), title,
'Downloading page #%s' % page_num,
transform_source=uppercase_escape)
content_html = more['content_html']
more_widget_html = more['load_more_widget_html']
return {
'_type': 'playlist',
'title': title,
'entries': self._ids_to_results(ids),
}
class YoutubeTruncatedURLIE(InfoExtractor):
IE_NAME = 'youtube:truncated_url'
IE_DESC = False # Do not list
_VALID_URL = r'''(?x)
(?:https?://)?[^/]+/watch\?(?:
feature=[a-z_]+|
annotation_id=annotation_[^&]+
)?$|
(?:https?://)?(?:www\.)?youtube\.com/attribution_link\?a=[^&]+$
'''
_TESTS = [{
'url': 'http://www.youtube.com/watch?annotation_id=annotation_3951667041',
'only_matching': True,
}, {
'url': 'http://www.youtube.com/watch?',
'only_matching': True,
}]
def _real_extract(self, url):
raise ExtractorError(
u'Did you forget to quote the URL? Remember that & is a meta '
u'character in most shells, so you want to put the URL in quotes, '
u'like youtube-dl '
u'"http://www.youtube.com/watch?feature=foo&v=BaW_jenozKc" '
u' or simply youtube-dl BaW_jenozKc .',
expected=True)
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