... To provide a way to parse cli-type parameters/options and compare them . ... check_option_for_args (option, allowed_options) . ... If so, then see if it has a value. spst_getopt (arg_list, allowed_options =[] ) . ... looking for allowed option/values as specified in the allowed_options . ... a trailing '=' followed by the value. allowed_options -- (list) . ... value is the value of the option. parms -- (list) This is a list of all the parameters that . ... allowed_options says no value is allowed. ...