available_invoice.py

import sys
from configparser import ConfigParser
from optparse import OptionParser
from sqlalchemy import create_engine
from sqlalchemy.orm import sessionmaker
import sismiop.services.base


def get_option(argv):
    default_count = 10
    help_count = 'default {}'.format(default_count)
    pars = OptionParser()
    pars.add_option('', '--tahun')
    pars.add_option(
        '', '--count', type=int, default=default_count, help=help_count)
    return pars.parse_args(argv)


def main(argv=sys.argv):
    option, remain = get_option(argv[1:])
    count = int(option.count)
    conf_file = remain[0]
    conf = ConfigParser()
    conf.read(conf_file)
    module_name = conf.get('main', 'module')
    module = __import__('sismiop.services.' + module_name)
    sub_module = getattr(module.services, module_name)
    AvailableInvoice = sub_module.AvailableInvoice
    db_url = conf.get('main', 'db_url')
    persen_denda = conf.getfloat('main', 'persen_denda')
    engine = create_engine(db_url)
    session_factory = sessionmaker(bind=engine)
    sismiop.services.base.DBSession = session_factory()
    a = AvailableInvoice(persen_denda, count, option.tahun)
    a.show()