code: def load_metadata(self, metadata_conf):
          
  
          acs = self.attribute_converters
  
          if acs is None:
              raise ConfigurationError(
                  "Missing attribute converter specification")
  
          try:
              ca_certs = self.ca_certs
          except:
              ca_certs = None
          try:
              disable_validation = self.disable_ssl_certificate_validation
          except:
              disable_validation = False
  
          mds = MetadataStore(acs, self, ca_certs,
              disable_ssl_certificate_validation=disable_validation)
  
          mds.imp(metadata_conf)
  
          return mds
docs: Loads metadata into an internal structure