+ def _login(self):
+ username, password = self._get_login_info()
+ if username is None:
+ return
+
+ login_form = {
+ 'form_id': 'user_login',
+ 'op': 'Log in',
+ 'name': username,
+ 'pass': password,
+ }
+
+ request = sanitized_Request(
+ self._LOGIN_URL, urlencode_postdata(login_form))
+ request.add_header('Referer', self._LOGIN_URL)
+ response = self._download_webpage(
+ request, None, 'Logging in')
+
+ login_error = self._html_search_regex(
+ r'(?s)<div class="messages error">(.+?)</div>',
+ response, 'login error', default=None)
+ if login_error:
+ raise ExtractorError(
+ 'Unable to login: %s' % login_error, expected=True)
+
+ def _real_initialize(self):
+ self._login()
+