def _client()

in src/dynamodb_encryption_sdk/material_providers/aws_kms.py [0:0]

• 12 lines of code
• 3 McCabe index (conditional complexity)

    def _client(self, key_id):
        """Returns a boto3 KMS client for the appropriate region.

        :param str key_id: KMS CMK ID
        :returns: Boto3 KMS client for requested key id
        :rtype: botocore.client.KMS
        """
        try:
            key_region = key_id.split(":", 4)[3]
            region = key_region
        except IndexError:
            session_region = self._botocore_session.get_config_variable("region")
            if session_region is None:
                raise UnknownRegionError(
                    "No region determinable from key id: {} and no default region found in session".format(key_id)
                )
            region = session_region
        return self._add_regional_client(region)