training_material/support_files/language_version.py

import argparse
import os
import shutil
import tempfile


def tempname():
    temp = tempfile.NamedTemporaryFile()
    temp.close()
    return temp.name


def process_one_file(in_filename):
    lines = []
    with open(in_filename) as f:
        lines = f.read().splitlines()

    while True:
        lines, found = replace_admonition(lines)
        if not found:
            break

    with open(in_filename, "w") as fp:
        for item in lines:
            fp.write(item + "\n")


if __name__ == "__main__":
    parser = argparse.ArgumentParser()

    parser.add_argument("--filename", required=True)

    parser.add_argument(
        "--version",
        help="most recent language version supported "
        + "(e.g. '95' if training does not support 2005/2012/2022)",
        required=True,
    )

    args = parser.parse_args()
    compare_to = int(args.version)

    fp = open(args.filename, "r")
    tempfile_name = tempname()
    output = open(tempfile_name, "w")
    while True:
        line = fp.readline()
        if not line:
            break
        if "language_version" in line:
            version = int(line.strip().split()[1])
            if version > compare_to:
                output.write(
                    "*This functionality unsupported before Ada " + str(version) + "*\n"
                )
            else:
                output.write(line)
        else:
            output.write(line)
    fp.close()
    output.close()
    shutil.copyfile(tempfile_name, args.filename)
    os.remove(tempfile_name)