Fix T89046: Startup file with Python drivers crashes on load

Resolve order of initialization error reading startup file,
support postponing running wm_file_read_post until Blender
has been initialized.

Deferring updates allows duplicate initialization
to be removed from WM_init.

Reviewed By: mont29

Ref D12184

1 files changed, 5 insertions, 1 deletions

diff --git a/source/blender/windowmanager/wm_files.h b/source/blender/windowmanager/wm_files.h
index 7009885495b..2fa5a68829e 100644
--- a/source/blender/windowmanager/wm_files.h
+++ b/source/blender/windowmanager/wm_files.h
@@ -24,6 +24,7 @@
 #pragma once
 
 struct Main;
+struct wmFileReadPost_Params;
 struct wmGenericCallback;
 struct wmOperatorType;
 
@@ -64,11 +65,14 @@ struct wmHomeFileRead_Params {
 void wm_homefile_read_ex(struct bContext *C,
                          const struct wmHomeFileRead_Params *params_homefile,
                          struct ReportList *reports,
-                         bool *r_is_factory_startup);
+                         struct wmFileReadPost_Params **r_params_file_read_post);
 void wm_homefile_read(struct bContext *C,
                       const struct wmHomeFileRead_Params *params_homefile,
                       struct ReportList *reports);
 
+void wm_homefile_read_post(struct bContext *C,
+                           const struct wmFileReadPost_Params *params_file_read_post);
+
 void wm_file_read_report(bContext *C, struct Main *bmain);
 
 void wm_close_file_dialog(bContext *C, struct wmGenericCallback *post_action);