move constants that superclass requires to superclass

src/twisted/internet/_glibbase.py

@@ -114,7 +114,22 @@ def __init__(self, glib_module: Any, gtk_module: Any, useGtk: bool = False) -> N
         self._writes: Set[IWriteDescriptor] = set()
         self._sources: Dict[FileDescriptor, int] = {}
         self._glib = glib_module
-        posixbase.PosixReactorBase.__init__(self)
+
+        self._POLL_DISCONNECTED = (
+            glib_module.IOCondition.HUP
+            | glib_module.IOCondition.ERR
+            | glib_module.IOCondition.NVAL
+        )
+        self._POLL_IN = glib_module.IOCondition.IN
+        self._POLL_OUT = glib_module.IOCondition.OUT
+
+        # glib's iochannel sources won't tell us about any events that we haven't
+        # asked for, even if those events aren't sensible inputs to the poll()
+        # call.
+        self.INFLAGS = self._POLL_IN | self._POLL_DISCONNECTED
+        self.OUTFLAGS = self._POLL_OUT | self._POLL_DISCONNECTED
+
+        super().__init__()
 
         self._source_remove = self._glib.source_remove
         self._timeout_add = self._glib.timeout_add

src/twisted/internet/gireactor.py

@@ -41,18 +41,6 @@ class GIReactor(_glibbase.GlibReactorBase):
         with C{registerGApplication}.
     """
 
-    _POLL_DISCONNECTED = (
-        GLib.IOCondition.HUP | GLib.IOCondition.ERR | GLib.IOCondition.NVAL
-    )
-    _POLL_IN = GLib.IOCondition.IN
-    _POLL_OUT = GLib.IOCondition.OUT
-
-    # glib's iochannel sources won't tell us about any events that we haven't
-    # asked for, even if those events aren't sensible inputs to the poll()
-    # call.
-    INFLAGS = _POLL_IN | _POLL_DISCONNECTED
-    OUTFLAGS = _POLL_OUT | _POLL_DISCONNECTED
-
     # By default no Application is registered:
     _gapplication = None
 
@@ -97,7 +85,7 @@ class PortableGIReactor(_glibbase.GlibReactorBase):
     """
 
     def __init__(self, useGtk=False):
-        _glibbase.PortableGlibReactorBase.__init__(self, GLib, None, useGtk=useGtk)
+        super().__init__(GLib, None, useGtk=useGtk)
 
     def registerGApplication(self, app):
         """