ansible/hacking/build-ansible.py

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#!/usr/bin/env python3
# coding: utf-8
# PYTHON_ARGCOMPLETE_OK
# Copyright: (c) 2019, Ansible Project
# GNU General Public License v3.0+ (see COPYING or https://www.gnu.org/licenses/gpl-3.0.txt)
# Make coding more python3-ish
from __future__ import (absolute_import, division, print_function)
__metaclass__ = type
import argparse
import os.path
import sys
from straight.plugin import load
try:
import argcomplete
except ImportError:
argcomplete = None
def set_sys_path(this_script=__file__):
"""Add path to the common librarydirectory to :attr:`sys.path`"""
hacking_dir = os.path.dirname(this_script)
libdir = os.path.abspath(os.path.join(hacking_dir, 'build_library'))
if libdir not in sys.path:
sys.path.insert(0, libdir)
set_sys_path()
from build_ansible import commands
def create_arg_parser(program_name):
"""
Creates a command line argument parser
:arg program_name: The name of the script. Used in help texts
"""
parser = argparse.ArgumentParser(prog=program_name,
description="Implements utilities to build Ansible")
return parser
def main():
"""
Main entrypoint of the script
"It all starts here"
"""
subcommands = load('build_ansible.command_plugins', subclasses=commands.Command)
arg_parser = create_arg_parser(os.path.basename(sys.argv[0]))
subparsers = arg_parser.add_subparsers(title='Subcommands', dest='command',
help='for help use build-ansible.py SUBCOMMANDS -h')
subcommands.pipe('init_parser', subparsers.add_parser)
if argcomplete:
argcomplete.autocomplete(arg_parser)
args = arg_parser.parse_args(sys.argv[1:])
for subcommand in subcommands:
if subcommand.name == args.command:
sys.exit(subcommand.main(args))
print('Error: Select a subcommand')
arg_parser.print_usage()
if __name__ == '__main__':
main()