validate_enum_arg

tfsnippet.utils.validate_enum_arg(arg_name, arg_value, choices, nullable=False)

Validate the value of a enumeration argument.

Parameters:

• arg_name – Name of the argument.
• arg_value – Value of the argument.
• choices – Valid choices of the argument value.
• nullable – Whether or not the argument can be None?

Returns:

The validated argument value.

Raises:

ValueError – If arg_value is not valid.