Before you get too far down the rabbit hole, Alex,  you should know that Dan is working to get chirp on wxWigets since gtk2 has been deprecated.

Tony

From: chirp_devel-bounces@intrepid.danplanet.com <chirp_devel-bounces@intrepid.danplanet.com> on behalf of Alex Page via chirp_devel <chirp_devel@intrepid.danplanet.com>
Sent: Tuesday, June 2, 2020 7:04:20 AM
To: chirp_devel@intrepid.danplanet.com <chirp_devel@intrepid.danplanet.com>
Subject: [chirp_devel] [PATCH] Fix some GTK errors in mainapp #7923
 
# HG changeset patch
# User Alex Page <a.t.page@gmail.com>
# Date 1591099370 14400
#      Tue Jun 02 08:02:50 2020 -0400
# Branch py3
# Node ID 64ee0e070f2298571c9b2656396c653a59e01b67
# Parent  d4e064ee05113349c9cfd7006e4f8cf3d5afc52b
Fix some GTK errors in mainapp #7923

diff --git a/chirp/ui/mainapp.py b/chirp/ui/mainapp.py
--- a/chirp/ui/mainapp.py
+++ b/chirp/ui/mainapp.py
@@ -898,9 +898,9 @@
 
         # Do this in case the import process is going to take a while
         # to make sure we process events leading up to this
-        gtk.gdk.window_process_all_updates()
+        gtk.gdk.Window.process_all_updates()
         while gtk.events_pending():
-            gtk.main_iteration(False)
+            gtk.main_iteration_do(False)
 
         if do_import:
             eset = self.get_current_editorset()
@@ -1030,9 +1030,9 @@
         # Do this in case the import process is going to take a while
         # to make sure we process events leading up to this
         with compat.py3safe():
-            gtk.gdk.window_process_all_updates()
+            gtk.gdk.Window.process_all_updates()
             while gtk.events_pending():
-                gtk.main_iteration(False)
+                gtk.main_iteration_do(False)
 
         fn = tempfile.mktemp(".csv")
         try:
@@ -1142,9 +1142,9 @@
         # Do this in case the import process is going to take a while
         # to make sure we process events leading up to this
         with compat.py3safe():
-            gtk.gdk.window_process_all_updates()
+            gtk.gdk.Window.process_all_updates()
             while gtk.events_pending():
-                gtk.main_iteration(False)
+                gtk.main_iteration_do(False)
 
         fn = tempfile.mktemp(".csv")
         try:
@@ -1316,9 +1316,9 @@
 
         # Do this in case the import process is going to take a while
         # to make sure we process events leading up to this
-        gtk.gdk.window_process_all_updates()
+        gtk.gdk.Window.process_all_updates()
         while gtk.events_pending():
-            gtk.main_iteration(False)
+            gtk.main_iteration_do(False)
 
         if do_import:
             eset = self.get_current_editorset()
@@ -1379,9 +1379,9 @@
 
         # Do this in case the import process is going to take a while
         # to make sure we process events leading up to this
-        gtk.gdk.window_process_all_updates()
+        gtk.gdk.Window.process_all_updates()
         while gtk.events_pending():
-            gtk.main_iteration(False)
+            gtk.main_iteration_do(False)
 
         if do_import:
             eset = self.get_current_editorset()
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