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"""This module defines various import helper methods.
"""
from typing import Type, Any, Union
import importlib
[docs]def import_class(class_str: Union[Type[Any], str]) -> Any:
"""Given a Python class string, import and return that Python class.
Parameters
----------
class_str : str
a Python class string.
Returns
-------
py_class : Any
a Python class.
"""
if isinstance(class_str, str):
sections = class_str.split('.')
module_str = '.'.join(sections[:-1])
class_str = sections[-1]
modul = importlib.import_module(module_str)
return getattr(modul, class_str)
else:
return class_str