#!/usr/bin/env python
import os, argparse
from shutil import copyfile

def get_options():
    parser = argparse.ArgumentParser(
        description = 'Copy file with version number'
    )
    parser.add_argument('-m', action = "store_true", dest = "move",
        help = "Move file instead of copying",
        default = False
    )
    parser.add_argument(action = "store", dest = "file")
    return parser.parse_args()


def file_versionize(full_path, move = False):
    """ Move file to versioned with integer  """
    file_dir = os.path.dirname(full_path)
    file_name = os.path.basename(full_path)
    basename, extension = os.path.splitext(file_name)
    version = 1
    while True:
        new_name = os.path.join(
            file_dir,
            "%s.v%02d%s"%(
                basename,
                version,
                extension
            )
        )
        if os.path.exists(new_name):
            version += 1
        else:
            break
    print("%s -> %s"%(
        full_path,
        new_name
    ))
    if move:
        os.rename(full_path, new_name)
    else:
        copyfile(full_path, new_name)


if __name__ == "__main__":
    opts = get_options()
    file_versionize(opts.file, opts.move)