vtr_xml_utils/__main__.py

#!/usr/bin/env python3

from . import convert

import argparse
import sys
import os


def main(args):
    if not os.path.isfile(args.input_xml):
        print("The {} file does not exist or is a directory"
              .format(args.input_xml))
        exit(2)
    elif not os.path.isdir(os.path.dirname(os.path.realpath(args.output))):
        print("The {} file cannot be created - no such directory"
              .format(args.output))
        exit(2)
    result = convert.vtr_stylize_xml(args.input_xml)
    with open(args.output, 'w') as out:
        out.write(result)
    exit(0)


if __name__ == '__main__':
    parser = argparse.ArgumentParser(
        prog='vtr_xml_utils',
        description="A tool for applying styling changes to the XML files \
                     for Verilog"
    )
    parser.add_argument(
        "input_xml",
        metavar="input.xml",
        type=str,
        help="The path to file that needs to be stylized with XSL files",
    )
    parser.add_argument(
        "--output",
        "-o",
        type=str,
        default="output.xml",
        help="Output filename default 'output.xml'"
    )

    args = parser.parse_args()
    sys.exit(main(args))