1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
|
# -*- coding: utf-8 -*-
# SPDX-FileCopyrightText: 2014-2023 Greenbone AG
#
# SPDX-License-Identifier: AGPL-3.0-or-later
# pylint: disable=bad-mcs-classmethod-argument, no-member
_has_init_subclass = hasattr( # pylint: disable=invalid-name
type, "__init_subclass__"
)
if not _has_init_subclass:
class InitSubclassMeta(type):
"""Metaclass that implements PEP 487 protocol"""
def __new__(cls, name, bases, ns, **kwargs):
__init_subclass__ = ns.pop("__init_subclass__", None)
if __init_subclass__:
__init_subclass__ = classmethod(__init_subclass__)
ns["__init_subclass__"] = __init_subclass__
return super().__new__(cls, name, bases, ns, **kwargs)
def __init__(cls, name, bases, ns, **kwargs):
super().__init__(name, bases, ns)
super_class = super(cls, cls)
if hasattr(super_class, "__init_subclass__"):
super_class.__init_subclass__.__func__(cls, **kwargs)
else:
InitSubclassMeta = type # type: ignore
|
