def GetDefinitionByName(self, name):
    if name:
      return self._artifact_definitions.get(name.lower(), None)
get the url to which we redirect after the user logs in. subclasses should override this
dataset/ETHPy150Open ForensicArtifacts/artifacts/artifacts/registry.py/ArtifactDefinitionsRegistry.GetDefinitionByName--crossover with--dataset/ETHPy150Open hovel/pybbm/pybb/views.py/RedirectToLoginMixin.get_login_redirect_url