checkPerm

#!/usr/bin/env python3

import sys
import argparse
from lib.FilePermission.Checker import PermissionParser, PermissionReader


def usage():
    return "Usage : user/group-name permissions path"


if __name__ == '__main__':

    parser = argparse.ArgumentParser(description='Check if some user or group has permissions on some file')
    parser.add_argument('reference', metavar='name', type=str, help='The name of the user or the group')
    parser.add_argument('permissions', metavar='permission', type=str, help='The permissions in letters: rwx')
    parser.add_argument('path', metavar='path', type=str, help='The path of the file or folder')
    args = parser.parse_args()

    reader = PermissionReader(args.path, PermissionParser(args.permissions))
    if reader.has_permissions(args.reference):
        sys.exit(0)
    sys.exit(1)