Source code for ts_core.utils.argparse_utils

import argparse
import os


class FullPaths(argparse.Action):
    """Expand user- and relative-paths"""

    def __call__(self, parser, namespace, values, option_string=None):
        setattr(namespace, self.dest, os.path.abspath(os.path.expanduser(values)))


def is_dir(dirname):
    """Checks if a path is an actual directory"""
    if not os.path.isdir(dirname):
        msg = "{0} is not a directory".format(dirname)
        raise argparse.ArgumentTypeError(msg)
    else:
        return dirname


def is_file(dirname):
    """Checks if a path is an actual directory"""
    if not os.path.isfile(dirname):
        msg = "{0} is not a file".format(dirname)
        raise argparse.ArgumentTypeError(msg)
    else:
        return dirname