322         mapping.update((sourceent.name, source)

   322         mapping.update((sourceent.name, source)

   323                        for sourceent, source in self._sources())

   323                        for sourceent, source in self._sources())

   324         return mapping

   324         return mapping

   325 

   325 

   326     @property

   326     @property

   327     def sources_by_eid(self):

   328     def sources_by_eid(self):

   328         mapping = {self.system_source.eid: self.system_source}

   329         mapping = {self.system_source.eid: self.system_source}

   329         mapping.update((sourceent.eid, source)

   330         mapping.update((sourceent.eid, source)

   330                        for sourceent, source in self._sources())

   331                        for sourceent, source in self._sources())

   331         return mapping

   332         return mapping