Takes a file and indents at `(` and `[`.

indent.py

# SPDX-License-Identifier: MIT
#
# Takes a file and indents at `(` and `[`.
import sys


def main(argv=None):
    if argv is None:
        argv = sys.argv

    if len(argv) != 2:
        print("Usage: {} <file>".format(argv[0]))

    inputpath = argv[1]

    with open(inputpath, "r") as inputfile:
        indent = 0
        for char in inputfile.read():
            print(char, end="")
            if char in ["(", "["]:
                indent += 1

                print("\n" + " " * indent, end="")
            elif char in [")", "]"]:
                indent -= 1
                print("\n" + " " * indent, end="")


if __name__ == "__main__":
    sys.exit(main())