.pre-commit-config.yaml

@@ -1,6 +1,6 @@
 repos:
 -   repo: https://github.com/pre-commit/pre-commit-hooks
-    rev: v4.6.0
+    rev: v4.5.0
     hooks:
     -   id: trailing-whitespace
     -   id: end-of-file-fixer
@@ -28,12 +28,12 @@ repos:
     hooks:
     -   id: dead
 -   repo: https://github.com/asottile/pyupgrade
-    rev: v3.15.2
+    rev: v3.15.1
     hooks:
     -   id: pyupgrade
         args: [--py38-plus]
 -   repo: https://github.com/hhatto/autopep8
-    rev: v2.1.0
+    rev: v2.0.4
     hooks:
     -   id: autopep8
 -   repo: https://github.com/PyCQA/flake8
@@ -42,6 +42,6 @@ repos:
     -   id: flake8
         additional_dependencies: [flake8-encodings, flake8-warnings, flake8-builtins, flake8-print]
 -   repo: https://github.com/pre-commit/mirrors-mypy
-    rev: v1.10.0
+    rev: v1.8.0
     hooks:
     -   id: mypy

settngs/__init__.py

@@ -2,14 +2,12 @@ from __future__ import annotations
 
 import argparse
 import copy
-import inspect
 import json
 import logging
 import pathlib
 import re
 import sys
 import typing
-import warnings
 from argparse import Namespace
 from collections import defaultdict
 from collections.abc import Sequence
@@ -154,13 +152,12 @@ class Setting:
             raise ValueError('names must be specified')
         # We prefix the destination name used by argparse so that there are no conflicts
         # Argument names will still cause an exception if there is a conflict e.g. if '-f' is defined twice
-        self.internal_name, self.setting_name, dest, self.flag = self.get_dest(group, names, dest)
+        self.internal_name, setting_name, dest, self.flag = self.get_dest(group, names, dest)
         args: Sequence[str] = names
 
         # We then also set the metavar so that '--config' in the group runtime shows as 'CONFIG' instead of 'RUNTIME_CONFIG'
-        if not metavar and action not in ('store_true', 'store_false', 'count', 'help', 'version'):
+        if not metavar and action not in ('store_true', 'store_false', 'count'):
-            if not callable(action) or 'metavar' in inspect.signature(action).parameters.keys():
+            metavar = dest.upper()
-                metavar = dest.upper()
 
         # If we are not a flag, no '--' or '-' in front
         # we use internal_name as argparse sets dest to args[0]
@@ -177,6 +174,7 @@ class Setting:
         self.help = help
         self.metavar = metavar
         self.dest = dest
+        self.setting_name = setting_name
         self.cmdline = cmdline
         self.file = file
         self.argparse_args = args
@@ -688,35 +686,26 @@ def create_argparser(definitions: Definitions, description: str, epilog: str) ->
     argparser = argparse.ArgumentParser(
         description=description, epilog=epilog, formatter_class=argparse.RawTextHelpFormatter,
     )
-
+    for group in definitions.values():
-    def get_current_group(setting: Setting) -> ArgParser:
+        for setting in group.v.values():
-
+            if setting.cmdline:
-        if not setting.group:
-            return argparser
-
-        # Hard coded exception for positional arguments
-        # Ensures that the option shows at the top of the help output
-        if 'runtime' in setting.group.casefold() and setting.nargs == '*' and not setting.flag:
-            return argparser
-
-        if setting.group not in groups:
-            if setting.exclusive:
-                groups[setting.group] = argparser.add_argument_group(
-                    setting.group,
-                ).add_mutually_exclusive_group()
-            else:
-                groups[setting.group] = argparser.add_argument_group(setting.group)
-        return groups[setting.group]
-    with warnings.catch_warnings():
-        warnings.filterwarnings('ignore', message="'metavar", category=DeprecationWarning, module='argparse')
-
-        for group in definitions.values():
-            for setting in group.v.values():
-                if not setting.cmdline:
-                    continue
                 argparse_args, argparse_kwargs = setting.to_argparse()
-                current_group: ArgParser = get_current_group(setting)
+                current_group: ArgParser = argparser
+                if setting.group:
+                    if setting.group not in groups:
+                        if setting.exclusive:
+                            groups[setting.group] = argparser.add_argument_group(
+                                setting.group,
+                            ).add_mutually_exclusive_group()
+                        else:
+                            groups[setting.group] = argparser.add_argument_group(setting.group)
 
+                    # Hard coded exception for positional arguments
+                    # Ensures that the option shows at the top of the help output
+                    if 'runtime' in setting.group.casefold() and setting.nargs == '*' and not setting.flag:
+                        current_group = argparser
+                    else:
+                        current_group = groups[setting.group]
                 current_group.add_argument(*argparse_args, **argparse_kwargs)
     return argparser
 
@@ -1024,7 +1013,6 @@ def example_group(manager: Manager) -> None:
     manager.add_setting(
         '--verbose', '-v',
         default=False,
-        metavar='nothing',
         action=BooleanOptionalAction,  # Added in Python 3.9
     )
 

setup.cfg

@@ -31,7 +31,7 @@ exclude =
 settngs = py.typed
 
 [tox:tox]
-envlist = py3.8,py3.9,py3.10,py3.11,py3.12,pypy3
+envlist = py3.8,py3.9,py3.10,py3.11,pypy3
 
 [testenv]
 deps = -rrequirements-dev.txt