def provider()

in src/dynamodb_encryption_sdk/material_providers/store/__init__.py [0:0]

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

    def provider(self, material_name, version=None):
        # type: (Text, Optional[int]) -> CryptographicMaterialsProvider
        """Obtain a cryptographic materials provider identified by a name and version.

        If the version is not provided, the maximum version will be used.

        :param str material_name: Material to locate
        :param int version: Version of material to locate (optional)
        :returns: cryptographic materials provider
        :rtype: CryptographicMaterialsProvider
        :raises InvalidVersionError: if the requested version is not found
        """
        if version is None:
            try:
                version = self.max_version(material_name)
            except NoKnownVersionError:
                version = 0
        return self.get_or_create_provider(material_name, version)