From f8d78f6fe2dd60545390d465b5cf18261a423040 Mon Sep 17 00:00:00 2001
From: Benjamin Renard <brenard@easter-eggs.com>
Date: Sat, 6 Nov 2021 15:14:06 +0100
Subject: [PATCH] config.BaseOption: add no_arg parameter

---
 mylib/config.py | 8 ++++++--
 1 file changed, 6 insertions(+), 2 deletions(-)

diff --git a/mylib/config.py b/mylib/config.py
index ab94297..a94e0c0 100644
--- a/mylib/config.py
+++ b/mylib/config.py
@@ -28,12 +28,13 @@ class BaseOption:
     """ Base configuration option class """
 
     def __init__(self, config, section, name, default=None, comment=None,
-                 arg=None, short_arg=None, arg_help=None):
+                 arg=None, short_arg=None, arg_help=None, no_arg=False):
         self.config = config
         self.section = section
         self.name = name
         self.default = default
         self.comment = comment
+        self.no_arg = no_arg
         self.arg = arg
         self.short_arg = short_arg
         self.arg_help = arg_help if arg_help else comment
@@ -43,6 +44,7 @@ class BaseOption:
         """ Check if option is defined in registered arguments parser options """
         return (
             self.config.options
+            and not self.no_arg
             and self._from_options != self.default
         )
 
@@ -51,7 +53,7 @@ class BaseOption:
         """ Get option from arguments parser options """
         value = (
             getattr(self.config.options, self.parser_dest)
-            if self.config.options else None
+            if self.config.options and not self.no_arg else None
         )
         log.debug(
             '_from_options(%s, %s) = %s',
@@ -139,6 +141,8 @@ class BaseOption:
 
     def add_option_to_parser(self, section_opts):
         """ Add option to arguments parser """
+        if self.no_arg:
+            return
         args = [self.parser_argument_name]
         if self.short_arg:
             args.append(self.short_arg)