toolrunner.py

"""
This file is part of bigCGI.

bigCGI is free software: you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation, either version 3 of the License, or
(at your option) any later version.

bigCGI is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
GNU General Public License for more details.

You should have received a copy of the GNU General Public License
along with bigCGI.  If not, see <http://www.gnu.org/licenses/>.
"""

import argparse
import importlib

#toolrunner.py takes a name of a module, dynamically imports it,
#then attempts to run a function with the name given in subcommand
#(defaults to run)

def go(command, subcommand, arguments):
    imp = "tools.{}".format(command,subcommand)
    module = importlib.import_module(imp)
    
    func = getattr(module, subcommand)
    func(*arguments)

def main():
    parser = argparse.ArgumentParser(description='Tool Runner for bigCGI')
    parser.add_argument('command', type=str, help='The command to run.')
    parser.add_argument("subcommand", type=str, help="The subcommand to run.")
    parser.add_argument("arguments", type=str, help="Additional arguments for subcommand", nargs="*")

    args = parser.parse_args()
    command = args.command
    subcommand = args.subcommand
    arguments = args.arguments

    go(command, subcommand, arguments)

if __name__ == "__main__":
    main()