# -*- coding: utf-8 -*-
###########################################################################
# Copyright (c), The AiiDA team. All rights reserved. #
# This file is part of the AiiDA code. #
# #
# The code is hosted on GitHub at https://github.com/aiidateam/aiida_core #
# For further information on the license, see the LICENSE.txt file #
# For further information please visit http://www.aiida.net #
###########################################################################
"""
Module for the non empty string parameter type
"""
from __future__ import division
from __future__ import print_function
from __future__ import absolute_import
from click.types import StringParamType
[docs]class NonEmptyStringParamType(StringParamType):
"""
Parameter that cannot be an an empty string.
"""
name = 'nonemptystring'
[docs] def convert(self, value, param, ctx):
newval = super(NonEmptyStringParamType, self).convert(value, param, ctx)
if not newval: # None or empty string
self.fail("Empty string is not valid!")
return newval
[docs] def __repr__(self):
return 'NONEMPTYSTRING'