arparse_test.py

import argparse


def f(x):
    print(x)


class Fusion:

    """
    Performs TSDF fusion.
    """

    def __init__(self):
        """
        Constructor.
        """
        parser = argparse.ArgumentParser(description='Process some stuff')
        parser.add_argument(
            '--blah', type=int, nargs='+',
            help='an integer blah')
        self.options = parser.parse_args()

    def calc(self):
        x = f(self.options.blah)
        return x


if __name__ == '__main__':
    app = Fusion()

    result = app.calc()