Click repro1

main.py

#!/usr/bin/env python

# REPRO
# pip install -r click==6.6
# chmod +x main.py
# ./main.py --customer customer1
# PROBLEM: dummy get's prompted regardless if it's set from the "config file"

from functools import update_wrapper

import click


def update_context(initial, kwargs):
    ctx = initial
    for k, v in kwargs.iteritems():
        ctx[k] = v
    return ctx


def read_config(customer):
    if customer == 'customer1':
        return {'dummy': 'config value for customer1'}
    else:
        return {'dummy': 'something else'}


def pass_modified_context(f):
    def new_func(*args, **kwargs):
        c = read_config(kwargs['customer'])
        for k, v in c.iteritems():
            if k not in kwargs:
                kwargs[k] = v
        return f(click.globals.get_current_context(), *args, **kwargs)
    return update_wrapper(new_func, f)


@click.command()
@click.option('--dummy', prompt=True, help="Dummy value that's different for each customer")
@click.option('--customer', prompt=True, help='Number of greetings.')
@pass_modified_context
def cli(ctx, **kwargs):
    ctx.obj = update_context({}, kwargs)
    print ctx.obj
    print kwargs

if __name__ == '__main__':
    a = cli()
    print "exiting"