eulaurarien/validate_list.py

36 lines
1.1 KiB
Python
Executable file

#!/usr/bin/env python3
# pylint: disable=C0103
"""
Filter out invalid domain names
"""
import database
import argparse
import sys
if __name__ == '__main__':
# Parsing arguments
parser = argparse.ArgumentParser(
description="Filter out invalid domain name/ip addresses from a list.")
parser.add_argument(
'-i', '--input', type=argparse.FileType('r'), default=sys.stdin,
help="Input file, one element per line")
parser.add_argument(
'-o', '--output', type=argparse.FileType('w'), default=sys.stdout,
help="Output file, one element per line")
parser.add_argument(
'-d', '--domain', action='store_true',
help="Can be domain name")
parser.add_argument(
'-4', '--ip4', action='store_true',
help="Can be IP4")
args = parser.parse_args()
for line in args.input:
line = line.rstrip().lower()
if (args.domain and database.Database.validate_domain(line)) or \
(args.ip4 and database.Database.validate_ip4address(line)):
print(line, file=args.output)