namegen

#!/usr/bin/env python3
# -*- mode: python-mode;
# coding: utf-8
import os
import argparse
import pprint
import readline

generators = [name.split('.')[0] for name in os.listdir(
    'generators') if os.path.isfile('generators/' + name) and
    not name.startswith('_')]

parser = argparse.ArgumentParser()
parser.add_argument('-l', '--list',
                    help='List available generators', action="store_true")
parser.add_argument('-t', '--type',
                    help='Type of generator', action='store')
parser.add_argument('--var', help='A variable that can be be requested by generator',
                    action='store')
parser.add_argument('-n', '--num',
                    help='Number of names', action='store')
args = parser.parse_args()

if args.list:
    pprint.pprint(sorted(generators), compact=True, indent=1)
    exit(0)
if args.type:
    if args.type not in generators:
        print('Generator {} does not exists!'.format(args.type))
        exit(1)
    if args.var:
        var = args.var
    else:
        var = ''
    if args.num:
        try:
            num = int(args.num)
            if num <= 0:
                raise ValueError
        except ValueError as e:
            print("'num' should be positive 'int'")
            exit(1)
    else:
        num = 1
    code = 'from generators.{} import {};values = list({}.nameGen({}))'.format(
        args.type, args.type,
        args.type, var
    )
    result = []
    for _ in range((num - 1) // 10 + 1):
        exec(code)
        result += values.copy()
    print(result[:num])
    exit(0)
parser.print_usage()