gtk: Add more explicit version requirements

QuLogic · QuLogic · commit 4b1943fa9011 · 2025-09-08T21:50:33.000-04:00
This adds requirements for all of Gdk/GdkPixbuf/Gio/GLib/GObject before using them, as we do for Gtk. Fixes #30525
diff --git a/lib/matplotlib/backends/backend_gtk3.py b/lib/matplotlib/backends/backend_gtk3.py
@@ -18,6 +18,10 @@
     # :raises ValueError: If module/version is already loaded, already
     # required, or unavailable.
     gi.require_version("Gtk", "3.0")
+    gi.require_version("Gdk", "3.0")
+    gi.require_version("Gio", "2.0")
+    gi.require_version("GLib", "2.0")
+    gi.require_version("GObject", "2.0")
 except ValueError as e:
     # in this case we want to re-raise as ImportError so the
     # auto-backend selection logic correctly skips.
diff --git a/lib/matplotlib/backends/backend_gtk4.py b/lib/matplotlib/backends/backend_gtk4.py
@@ -17,6 +17,11 @@
     # :raises ValueError: If module/version is already loaded, already
     # required, or unavailable.
     gi.require_version("Gtk", "4.0")
+    gi.require_version("Gdk", "4.0")
+    gi.require_version("GdkPixbuf", "2.0")
+    gi.require_version("Gio", "2.0")
+    gi.require_version("GLib", "2.0")
+    gi.require_version("GObject", "2.0")
 except ValueError as e:
     # in this case we want to re-raise as ImportError so the
     # auto-backend selection logic correctly skips.
