我想将两个python类划分为子类:一个来自PyGObject,另一个来自python3 dbus:
import gi
from gi.repository import GObject
import dbus.service
class Test(GObject.Object, dbus.service.Object):
pass
但是,我收到以下错误:
$ python3 test.py
Traceback (most recent call last):
File ".../test.py", line 5, in <module>
class Test(GObject.Object, dbus.service.Object):
TypeError: metaclass conflict: the metaclass of a derived class must be a (non-strict) subclass of the metaclasses of all its bases
我已经发现这是因为GObject.Object
和dbus.service.Object
有不同的元类,我也需要对它们进行子类化:
class M_Test(gi.types.GObjectMeta, dbus.service.InterfaceType):
pass
class Test(GObject.Object, dbus.service.Object):
__metaclass__=M_Test
pass
然而,这没有帮助,我继续收到相同的错误。可能gi.types.GObjectMeta
和dbus.service.InterfaceType
不是GObject.Object
和dbus.service.Object
的正确元类。有人知道如何合并GObject.Object
和dbus.service.Object
的元类吗?你知道吗
Python3改变了指定元类的语法。PEP-3115
现在是
class Test(GObject.Object, dbus.service.Object, metaclass=M_Test):
。你知道吗相关问题 更多 >
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