if username is None:
self.raise_login_required('safaribooksonline.com account is required')
- headers = std_headers
+ headers = std_headers.copy()
if 'Referer' not in headers:
headers['Referer'] = self._LOGIN_URL
+ login_page_request = sanitized_Request(self._LOGIN_URL, headers=headers)
login_page = self._download_webpage(
- self._LOGIN_URL, None,
+ login_page_request, None,
'Downloading login form')
csrf = self._html_search_regex(