simple runner script skeleton

runner_script_skeleton.py

""" <replace with string description> """
import json
import argparse
import sys
import logging

CONFIG = None

def setup(args):
    log_level = 'WARNING'
    if args.debug:
        import pdb
        log_level = 'DEBUG'
    log_format = '%(asctime)-15s - %(levelname)s - %(message)s'
    logging.basicConfig(format=log_format, level=log_level)
    logging.debug('Setup logging configuration')
    if args.config:
        logging.debug('loading config file')
        try:
            with open(args.config) as configfile:
                config = json.load(configfile)
        except IOError:
            logging.critical("Failed to load the file")
            sys.exit(1)
        except ValueError:
            logging.critical("Failed to read the config file probably not proper json")
            sys.exit(1)
        except Exception, e:
            raise e
        return config
    else:
        logging.debug('no config file specified')
        return None


def main():
    parser = argparse.ArgumentParser(description=__doc__)
    parser.add_argument('-c', '--config', help='configuration file to load', default='config.json')
    parser.add_argument('-D', '--debug', help='enable debug mode', action='store_true')
    args = parser.parse_args()
    global CONFIG
    CONFIG = setup(args)
    

if __name__ == '__main__':
    main()