From f6b970c3f6d1e36995241e1ccae79dd28948337e Mon Sep 17 00:00:00 2001
From: caryoscelus <caryoscelus@gmx.com>
Date: Fri, 10 May 2024 10:24:21 +0000
Subject: [PATCH] Add missing argparseCompat

---
 src/util/argparseCompat.py | 114 +++++++++++++++++++++++++++++++++++++
 1 file changed, 114 insertions(+)
 create mode 100644 src/util/argparseCompat.py

diff --git a/src/util/argparseCompat.py b/src/util/argparseCompat.py
new file mode 100644
index 00000000..5d2a7f16
--- /dev/null
+++ b/src/util/argparseCompat.py
@@ -0,0 +1,114 @@
+# This code is taken from CPython Lib/argparse.py and contains BooleanOptionalAction
+# for use in py<3.9
+
+# Author: Steven J. Bethard <steven.bethard@gmail.com>.
+# New maintainer as of 29 August 2019:  Raymond Hettinger <raymond.hettinger@gmail.com>
+
+# Copyright © 2001-2024 Python Software Foundation. All rights reserved.
+# PYTHON SOFTWARE FOUNDATION LICENSE VERSION 2
+# --------------------------------------------
+#
+# 1. This LICENSE AGREEMENT is between the Python Software Foundation
+# ("PSF"), and the Individual or Organization ("Licensee") accessing and
+# otherwise using this software ("Python") in source or binary form and
+# its associated documentation.
+#
+# 2. Subject to the terms and conditions of this License Agreement, PSF hereby
+# grants Licensee a nonexclusive, royalty-free, world-wide license to reproduce,
+# analyze, test, perform and/or display publicly, prepare derivative works,
+# distribute, and otherwise use Python alone or in any derivative version,
+# provided, however, that PSF's License Agreement and PSF's notice of copyright,
+# i.e., "Copyright (c) 2001-2024 Python Software Foundation; All Rights Reserved"
+# are retained in Python alone or in any derivative version prepared by Licensee.
+#
+# 3. In the event Licensee prepares a derivative work that is based on
+# or incorporates Python or any part thereof, and wants to make
+# the derivative work available to others as provided herein, then
+# Licensee hereby agrees to include in any such work a brief summary of
+# the changes made to Python.
+#
+# 4. PSF is making Python available to Licensee on an "AS IS"
+# basis.  PSF MAKES NO REPRESENTATIONS OR WARRANTIES, EXPRESS OR
+# IMPLIED.  BY WAY OF EXAMPLE, BUT NOT LIMITATION, PSF MAKES NO AND
+# DISCLAIMS ANY REPRESENTATION OR WARRANTY OF MERCHANTABILITY OR FITNESS
+# FOR ANY PARTICULAR PURPOSE OR THAT THE USE OF PYTHON WILL NOT
+# INFRINGE ANY THIRD PARTY RIGHTS.
+#
+# 5. PSF SHALL NOT BE LIABLE TO LICENSEE OR ANY OTHER USERS OF PYTHON
+# FOR ANY INCIDENTAL, SPECIAL, OR CONSEQUENTIAL DAMAGES OR LOSS AS
+# A RESULT OF MODIFYING, DISTRIBUTING, OR OTHERWISE USING PYTHON,
+# OR ANY DERIVATIVE THEREOF, EVEN IF ADVISED OF THE POSSIBILITY THEREOF.
+#
+# 6. This License Agreement will automatically terminate upon a material
+# breach of its terms and conditions.
+#
+# 7. Nothing in this License Agreement shall be deemed to create any
+# relationship of agency, partnership, or joint venture between PSF and
+# Licensee.  This License Agreement does not grant permission to use PSF
+# trademarks or trade name in a trademark sense to endorse or promote
+# products or services of Licensee, or any third party.
+#
+# 8. By copying, installing or otherwise using Python, Licensee
+# agrees to be bound by the terms and conditions of this License
+# Agreement.
+
+from argparse import Action
+
+class BooleanOptionalAction(Action):
+    def __init__(self,
+                 option_strings,
+                 dest,
+                 default=None,
+                 type=_deprecated_default,
+                 choices=_deprecated_default,
+                 required=False,
+                 help=None,
+                 metavar=_deprecated_default,
+                 deprecated=False):
+
+        _option_strings = []
+        for option_string in option_strings:
+            _option_strings.append(option_string)
+
+            if option_string.startswith('--'):
+                option_string = '--no-' + option_string[2:]
+                _option_strings.append(option_string)
+
+        # We need `_deprecated` special value to ban explicit arguments that
+        # match default value. Like:
+        #   parser.add_argument('-f', action=BooleanOptionalAction, type=int)
+        for field_name in ('type', 'choices', 'metavar'):
+            if locals()[field_name] is not _deprecated_default:
+                import warnings
+                warnings._deprecated(
+                    field_name,
+                    "{name!r} is deprecated as of Python 3.12 and will be "
+                    "removed in Python {remove}.",
+                    remove=(3, 14))
+
+        if type is _deprecated_default:
+            type = None
+        if choices is _deprecated_default:
+            choices = None
+        if metavar is _deprecated_default:
+            metavar = None
+
+        super().__init__(
+            option_strings=_option_strings,
+            dest=dest,
+            nargs=0,
+            default=default,
+            type=type,
+            choices=choices,
+            required=required,
+            help=help,
+            metavar=metavar,
+            deprecated=deprecated)
+
+
+    def __call__(self, parser, namespace, values, option_string=None):
+        if option_string in self.option_strings:
+            setattr(namespace, self.dest, not option_string.startswith('--no-'))
+
+    def format_usage(self):
+        return ' | '.join(self.option_strings)