-
-
Save unpluggedcoder/7457fa23763a9a39a6fa90da683e20dc to your computer and use it in GitHub Desktop.
Some cool argparse stuff
This file contains hidden or bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
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 get_args(): | |
"""Get CLI arguments and options""" | |
parser = argparse.ArgumentParser(description="""do something""") | |
parser.add_argument('alignments', help="The folder of alignments", | |
action=FullPaths, type=is_dir) |
Sign up for free
to join this conversation on GitHub.
Already have an account?
Sign in to comment