Using argparse to parse arguments of form “arg= val”

Question

I want to use argparse to parse command lines of form \"arg=val\" For example, the usage would be:

script.py conf_dir=/tmp/good_conf

To ach

Answer 1

You need a custom action

class StoreNameValuePair(argparse.Action):
    def __call__(self, parser, namespace, values, option_string=None):
        n, v = values.split('=')
        setattr(namespace, n, v)

args = parser.add_argument("conf_dir", action=StoreNameValuePair)