professional.py

import argparse
import sys
import tokenize


def professional(filename):
    result = []
    line = 0
    displacement = 0

    with open(filename, "rb") as file:
        for tok in tokenize.tokenize(file.readline):
            if line != tok.line:
                line = tok.line
                displacement = 0

            if displacement != 0:
                tok = tok._replace(start=(tok.start[0], tok.start[1] + displacement))
            if (
                tok.type == tokenize.NUMBER
                and not tok.string.startswith("0")
                and len(tok.string) > 1
            ):
                try:
                    value = int(tok.string)
                except ValueError:
                    pass
                else:
                    string = hex(value)
                    displacement += len(string) - len(tok.string)
                    tok = tok._replace(string=string)
            if displacement != 0:
                tok = tok._replace(end=(tok.end[0], tok.end[1] + displacement))

            result.append(tok)

    sys.stdout.buffer.write(tokenize.untokenize(result))


def main():
    parser = argparse.ArgumentParser()
    parser.add_argument("filename")
    args = parser.parse_args()
    professional(args.filename)


if __name__ == "__main__":
    main()