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""" |
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weitersager.argparser |
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~~~~~~~~~~~~~~~~~~~~~ |
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Command line argument parsing |
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:Copyright: 2007-2020 Jochen Kupperschmidt |
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:License: MIT, see LICENSE for details. |
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""" |
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from argparse import ArgumentParser |
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from irc.bot import ServerSpec |
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DEFAULT_HTTP_IP_ADDRESS = '127.0.0.1' |
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DEFAULT_HTTP_PORT = 8080 |
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DEFAULT_IRC_PORT = 6667 |
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def create_parser(): |
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"""Create the command line arguments parser.""" |
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parser = ArgumentParser() |
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parser.add_argument( |
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'--irc-nickname', |
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dest='irc_nickname', |
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default='Weitersager', |
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help='the IRC nickname the bot should use', |
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metavar='NICKNAME', |
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) |
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parser.add_argument( |
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'--irc-realname', |
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dest='irc_realname', |
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default='Weitersager', |
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help='the IRC realname the bot should use', |
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metavar='REALNAME', |
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) |
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parser.add_argument( |
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'--irc-server', |
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dest='irc_server', |
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type=parse_irc_server_arg, |
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help='IRC server (host and, optionally, port) to connect to ' |
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+ '[e.g. "irc.example.com" or "irc.example.com:6669"; ' |
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+ f'default port: {DEFAULT_IRC_PORT:d}]', |
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metavar='SERVER', |
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) |
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parser.add_argument( |
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'--http-listen-ip-address', |
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dest='http_ip_address', |
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default=DEFAULT_HTTP_IP_ADDRESS, |
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help='the IP address to listen on for HTTP requests ' |
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+ f'[default: {DEFAULT_HTTP_IP_ADDRESS}]', |
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metavar='IP_ADDRESS', |
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) |
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parser.add_argument( |
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'--http-listen-port', |
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dest='http_port', |
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type=int, |
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default=DEFAULT_HTTP_PORT, |
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help='the port to listen on for HTTP requests ' |
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+ f'[default: {DEFAULT_HTTP_PORT:d}]', |
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metavar='PORT', |
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) |
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return parser |
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def parse_irc_server_arg(value): |
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"""Parse a hostname with optional port.""" |
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fragments = value.split(':', 1) |
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if len(fragments) > 1: |
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fragments[1] = int(fragments[1]) |
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return ServerSpec(*fragments) |
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80
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1 |
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def parse_args(): |
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"""Parse command line arguments.""" |
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parser = create_parser() |
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return parser.parse_args() |
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homeworkprod /
weitersager
