|
|
|
@ -24,6 +24,112 @@ from ..utils import ( |
|
|
|
orderedSet, |
|
|
|
) |
|
|
|
|
|
|
|
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'霱', |
|
|
|
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 YoutubeSubtitlesIE(SubtitlesIE): |
|
|
|
|
|
|
|
@ -83,8 +189,7 @@ class YoutubeSubtitlesIE(SubtitlesIE): |
|
|
|
self._downloader.report_warning(err_msg) |
|
|
|
return {} |
|
|
|
|
|
|
|
|
|
|
|
class YoutubeIE(YoutubeSubtitlesIE): |
|
|
|
class YoutubeIE(YoutubeSubtitlesIE, YoutubeBaseInfoExtractor): |
|
|
|
IE_DESC = u'YouTube.com' |
|
|
|
_VALID_URL = r"""^ |
|
|
|
( |
|
|
|
@ -95,7 +200,7 @@ class YoutubeIE(YoutubeSubtitlesIE): |
|
|
|
(?: # 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) |
|
|
|
(?:(?: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= |
|
|
|
@ -375,6 +480,8 @@ class YoutubeIE(YoutubeSubtitlesIE): |
|
|
|
return s[1:19] + s[0] + s[20:68] + s[19] + s[69:82] |
|
|
|
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] |
|
|
|
|
|
|
|
@ -390,105 +497,6 @@ class YoutubeIE(YoutubeSubtitlesIE): |
|
|
|
# Fallback to the other algortihms |
|
|
|
return self._decrypt_signature(s) |
|
|
|
|
|
|
|
|
|
|
|
def _get_available_subtitles(self, video_id): |
|
|
|
self.report_video_subtitles_download(video_id) |
|
|
|
request = compat_urllib_request.Request('http://video.google.com/timedtext?hl=en&type=list&v=%s' % video_id) |
|
|
|
try: |
|
|
|
sub_list = compat_urllib_request.urlopen(request).read().decode('utf-8') |
|
|
|
except (compat_urllib_error.URLError, compat_http_client.HTTPException, socket.error) as err: |
|
|
|
return (u'unable to download video subtitles: %s' % compat_str(err), None) |
|
|
|
sub_lang_list = re.findall(r'name="([^"]*)"[^>]+lang_code="([\w\-]+)"', sub_list) |
|
|
|
sub_lang_list = dict((l[1], l[0]) for l in sub_lang_list) |
|
|
|
if not sub_lang_list: |
|
|
|
return (u'video doesn\'t have subtitles', None) |
|
|
|
return sub_lang_list |
|
|
|
|
|
|
|
def _list_available_subtitles(self, video_id): |
|
|
|
sub_lang_list = self._get_available_subtitles(video_id) |
|
|
|
self.report_video_subtitles_available(video_id, sub_lang_list) |
|
|
|
|
|
|
|
def _request_subtitle(self, sub_lang, sub_name, video_id, format): |
|
|
|
""" |
|
|
|
Return tuple: |
|
|
|
(error_message, sub_lang, sub) |
|
|
|
""" |
|
|
|
self.report_video_subtitles_request(video_id, sub_lang, format) |
|
|
|
params = compat_urllib_parse.urlencode({ |
|
|
|
'lang': sub_lang, |
|
|
|
'name': sub_name, |
|
|
|
'v': video_id, |
|
|
|
'fmt': format, |
|
|
|
}) |
|
|
|
url = 'http://www.youtube.com/api/timedtext?' + params |
|
|
|
try: |
|
|
|
sub = compat_urllib_request.urlopen(url).read().decode('utf-8') |
|
|
|
except (compat_urllib_error.URLError, compat_http_client.HTTPException, socket.error) as err: |
|
|
|
return (u'unable to download video subtitles: %s' % compat_str(err), None, None) |
|
|
|
if not sub: |
|
|
|
return (u'Did not fetch video subtitles', None, None) |
|
|
|
return (None, sub_lang, sub) |
|
|
|
|
|
|
|
def _request_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_lang = self._downloader.params.get('subtitleslang') or 'en' |
|
|
|
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"' % sub_lang |
|
|
|
if mobj is None: |
|
|
|
return [(err_msg, None, None)] |
|
|
|
player_config = json.loads(mobj.group(1)) |
|
|
|
try: |
|
|
|
args = player_config[u'args'] |
|
|
|
caption_url = args[u'ttsurl'] |
|
|
|
timestamp = args[u'timestamp'] |
|
|
|
params = compat_urllib_parse.urlencode({ |
|
|
|
'lang': 'en', |
|
|
|
'tlang': sub_lang, |
|
|
|
'fmt': sub_format, |
|
|
|
'ts': timestamp, |
|
|
|
'kind': 'asr', |
|
|
|
}) |
|
|
|
subtitles_url = caption_url + '&' + params |
|
|
|
sub = self._download_webpage(subtitles_url, video_id, u'Downloading automatic captions') |
|
|
|
return [(None, sub_lang, sub)] |
|
|
|
except KeyError: |
|
|
|
return [(err_msg, None, None)] |
|
|
|
|
|
|
|
def _extract_subtitle(self, video_id): |
|
|
|
""" |
|
|
|
Return a list with a tuple: |
|
|
|
[(error_message, sub_lang, sub)] |
|
|
|
""" |
|
|
|
sub_lang_list = self._get_available_subtitles(video_id) |
|
|
|
sub_format = self._downloader.params.get('subtitlesformat') |
|
|
|
if isinstance(sub_lang_list,tuple): #There was some error, it didn't get the available subtitles |
|
|
|
return [(sub_lang_list[0], None, None)] |
|
|
|
if self._downloader.params.get('subtitleslang', False): |
|
|
|
sub_lang = self._downloader.params.get('subtitleslang') |
|
|
|
elif 'en' in sub_lang_list: |
|
|
|
sub_lang = 'en' |
|
|
|
else: |
|
|
|
sub_lang = list(sub_lang_list.keys())[0] |
|
|
|
if not sub_lang in sub_lang_list: |
|
|
|
return [(u'no closed captions found in the specified language "%s"' % sub_lang, None, None)] |
|
|
|
|
|
|
|
subtitle = self._request_subtitle(sub_lang, sub_lang_list[sub_lang].encode('utf-8'), video_id, sub_format) |
|
|
|
return [subtitle] |
|
|
|
|
|
|
|
def _extract_all_subtitles(self, video_id): |
|
|
|
sub_lang_list = self._get_available_subtitles(video_id) |
|
|
|
sub_format = self._downloader.params.get('subtitlesformat') |
|
|
|
if isinstance(sub_lang_list,tuple): #There was some error, it didn't get the available subtitles |
|
|
|
return [(sub_lang_list[0], None, None)] |
|
|
|
subtitles = [] |
|
|
|
for sub_lang in sub_lang_list: |
|
|
|
subtitle = self._request_subtitle(sub_lang, sub_lang_list[sub_lang].encode('utf-8'), video_id, sub_format) |
|
|
|
subtitles.append(subtitle) |
|
|
|
return subtitles |
|
|
|
|
|
|
|
def _print_formats(self, formats): |
|
|
|
print('Available formats:') |
|
|
|
for x in formats: |
|
|
|
|
Ismael Mejia
11 years ago