auth: improve logging for auth methods.

rhodecode/lib/auth.py

@@ -853,17 +853,17 b' class AuthUser(object):'
 
         # lookup by userid
         if self.user_id is not None and self.user_id != anon_user.user_id:
-            log.debug('Trying Auth User lookup by USER ID %s' % self.user_id)
+            log.debug('Trying Auth User lookup by USER ID: `%s`' % self.user_id)
             is_user_loaded = user_model.fill_data(self, user_id=self.user_id)
 
         # try go get user by api key
         elif self._api_key and self._api_key != anon_user.api_key:
-            log.debug('Trying Auth User lookup by API KEY %s' % self._api_key)
+            log.debug('Trying Auth User lookup by API KEY: `%s`' % self._api_key)
             is_user_loaded = user_model.fill_data(self, api_key=self._api_key)
 
         # lookup by username
         elif self.username:
-            log.debug('Trying Auth User lookup by USER NAME %s' % self.username)
+            log.debug('Trying Auth User lookup by USER NAME: `%s`' % self.username)
             is_user_loaded = user_model.fill_data(self, username=self.username)
         else:
             log.debug('No data in %s that could been used to log in' % self)