pycc

#!/usr/bin/python3

from sys import argv, exit, stderr
import argparse
from py_compile import PycInvalidationMode, compile, PyCompileError

def main():
    parser = argparse.ArgumentParser(description='A Python 3 compiler')
    parser.add_argument('file', type=str, default="main.py",
                        help='The file to compile')
    parser.add_argument('-O', dest='optimization', default=-1,
                        type=int, help='Level of optimization. Can be: -1 (default), 0, 1, 2',
                        choices=[-1, 0, 1, 2])
    parser.add_argument('-o', dest='output', default=None,
                        type=str, help='Target object file location and name')
    parser.add_argument('-c', dest='check', default=1,
                        type=int, help='Method for checking if a file is up to date',
                        choices=[1,2,3])
    args = parser.parse_args()
    
    retval = 0
    try:
        compile(args.file, doraise=True, optimize=args.optimization, cfile=args.output, invalidation_mode=PycInvalidationMode(args.check))
    except PyCompileError as error:
        retval = 1
        stderr.write("%s\n" % error.msg)
    return retval

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