# -*- 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 #
###########################################################################
"""`Data` sub class to be used as a base for data containers that represent base python data types."""
from functools import singledispatch
from .data import Data
__all__ = ('BaseType', 'to_aiida_type')
[docs]@singledispatch
def to_aiida_type(value):
"""Turns basic Python types (str, int, float, bool) into the corresponding AiiDA types."""
raise TypeError(f'Cannot convert value of type {type(value)} to AiiDA type.')
[docs]class BaseType(Data):
"""`Data` sub class to be used as a base for data containers that represent base python data types."""
[docs] def __init__(self, value=None, **kwargs):
try:
getattr(self, '_type')
except AttributeError:
raise RuntimeError('Derived class must define the `_type` class member')
super().__init__(**kwargs)
self.value = value or self._type() # pylint: disable=no-member
@property
def value(self):
return self.get_attribute('value', None)
@value.setter
def value(self, value):
self.set_attribute('value', self._type(value)) # pylint: disable=no-member
[docs] def __str__(self):
return f'{super().__str__()} value: {self.value}'
[docs] def __eq__(self, other):
if isinstance(other, BaseType):
return self.value == other.value
return self.value == other
[docs] def new(self, value=None):
return self.__class__(value)