+    def _real_initialize(self):
+        self._login()
+
+    def _login(self):
+        username, password = self._get_login_info()
+        if username is None:
+            return
+
+        login_page = self._download_webpage(
+            self._LOGIN_URL, None, 'Downloading login page')
+
+        login_form = self._hidden_inputs(login_page)
+        login_form.update({
+            'user[email]': username,
+            'user[password]': password
+        })
+
+        response, urlh = self._download_webpage_handle(
+            self._LOGIN_URL, None, 'Logging in',
+            data=urlencode_postdata(login_form), headers={
+                'Content-Type': 'application/x-www-form-urlencoded',
+                'Referer': self._LOGIN_URL,
+            })
+
+        # Successful login
+        if '/dashboard' in urlh.geturl():
+            return
+
+        login_errors = self._parse_json(
+            self._search_regex(
+                r'RegistrationForm\.errors\s*=\s*(\[.+?\])\s*;', response,
+                'login errors', default='[]'),
+            None, fatal=False)
+        if login_errors:
+            raise ExtractorError(
+                'Unable to login: %s' % login_errors[0], expected=True)
+
+        self.report_warning('Login has probably failed')
+