find_largest_intermediary.py

import argparse
import json
import subprocess
from pathlib import Path


def main(commands, output, expansion):
    sizes = []
    with open(commands) as file:
        data = json.load(file)
        for part in data:
            filename = Path(part["file"]).with_suffix(".i")
            res = int(
                str(subprocess.check_output(["wc", str(filename)]), "UTF-8")
                .strip()
                .split()[0]
            )

            if expansion:
                res = res // int(
                    str(subprocess.check_output(["wc", part["file"]]), "UTF-8")
                    .strip()
                    .split()[0]
                )

            sizes.append((res, filename))

    sizes.sort(reverse=True)
    with open(output, "w") as outfile:
        for i in sizes:
            outfile.write(str(i))
            outfile.write("\n")


if __name__ == "__main__":
    parser = argparse.ArgumentParser(
        description="""This script attempts to refactor multiple
                                    include lists without touching the headers themselves."""
    )

    parser.add_argument(
        "-c", "--commands", type=Path, help="Path to compile_commands.json"
    )
    parser.add_argument("-o", "--output", type=Path, help="Path to output text file")
    parser.add_argument(
        "-e", action="store_true", help="Calculate size increase instead of total size."
    )
    args = parser.parse_args()
    main(args.commands, args.output, args.e)