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#!/usr/bin/env python3
# -*- coding: utf-8 -*-
# Copyright 2019 Daniel Estevez <daniel@destevez.net>
#
# This file is part of gr-satellites
#
# SPDX-License-Identifier: GPL-3.0-or-later
#
import argparse
import shlex
class options_block:
"""
Class used to add default option parsing to blocks
A block using this class should inherit both from a GNU
Radio block class (gr.hier_block2, for example) and options_block.
It should have a @classmethod add_options(cls, parser) that
adds class specific options to an argparse parser.
It should also have an options = None parameter in its __init__()
method. The __init__() method should call options_block.__init__(options).
Then options should be access as self.options.
This class automatically set options to default values even if no options
arguments was passed to the child class __init__() method.
Args:
options: options from argparse
"""
def __init__(self, options):
if options is not None and type(options) is not str:
self.options = options
return
p = argparse.ArgumentParser(prog=self.__class__.__name__)
self.add_options(p)
self.options = p.parse_args(shlex.split(options) if options else [])
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