def validate_country_param()

in python/fb_ads_library_api_cli.py [0:0]

• 18 lines of code
• 6 McCabe index (conditional complexity)

def validate_country_param(country_input):
    if not country_input:
        return ""
    country_list = list(filter(lambda x: x.strip(), country_input.split(",")))
    if not country_list:
        raise argparse.ArgumentTypeError("Country cannot be empty")
    valid_country_codes = list(map(lambda x: get_country_code(x), country_list))
    invalid_inputs = {
        key: value
        for (key, value) in zip(country_list, valid_country_codes)
        if value is None
    }

    if invalid_inputs:
        raise argparse.ArgumentTypeError(
            "Invalid/unsupported country code: %s" % (",".join(invalid_inputs.keys()))
        )
    else:
        return ",".join(valid_country_codes)