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

@chepner This is great. I improved this to support multiple args as well and store the result as dict:

class StoreDict(argparse.Action):
    def __call__(self, parser, namespace, values, option_string=None):
        kv={}
        if not isinstance(values, (list,)):
            values=(values,)
        for value in values:
            n, v = value.split('=')
            kv[n]=v
        setattr(namespace, self.dest, kv)