Source code for dowhy.do_samplers

import string
from importlib import import_module

from dowhy.do_sampler import DoSampler


def get_class_object(method_name, *args, **kwargs):
    # from https://www.bnmetrics.com/blog/factory-pattern-in-python3-simple-version
    try:
        module_name = method_name
        class_name = string.capwords(method_name, "_").replace('_', '')

        do_sampler_module = import_module('.' + module_name,
                                         package="dowhy.do_samplers")
        do_sampler_class = getattr(do_sampler_module, class_name)
        assert issubclass(do_sampler_class, DoSampler)

    except (AttributeError, AssertionError, ImportError):
        raise ImportError('{} is not an existing do sampler.'.format(method_name))
    return do_sampler_class