+ def _check_errors(self, data):
+ for reason, status in data.get('blocking', {}).items():
+ if status and reason in self._ERRORS:
+ raise ExtractorError('%s said: %s' % (
+ self.IE_NAME, self._ERRORS[reason]), expected=True)
+
+ def _real_initialize(self):
+ self._login()
+
+ def _login(self):
+ (username, password) = self._get_login_info()
+ if username is None:
+ return
+
+ login_form = {
+ 'login_id': username,
+ 'password': password,
+ }
+
+ login = self._call_api(
+ 'sessions.json', None,
+ 'Logging in as %s' % username, post_data=login_form)
+
+ self._token = login.get('token')
+ if not self._token:
+ self.report_warning('Unable to get session token, login has probably failed')
+
+ @staticmethod
+ def dict_selection(dict_obj, preferred_key):
+ if preferred_key in dict_obj:
+ return dict_obj.get(preferred_key)
+
+ filtered_dict = list(filter(None, [dict_obj.get(k) for k in dict_obj.keys()]))
+ return filtered_dict[0] if filtered_dict else None
+