fix: use GLib.Error instead of GError

Author: tfuxu

halftone/main.py

@@ -100,7 +100,7 @@ def show_image_external(self, _action, image_path: GLib.Variant, *args):
 
         try:
             image_file = Gio.File.new_for_path(image_path.get_string())
-        except GLib.GError as e:
+        except GLib.Error as e:
             logging.traceback_error("Failed to construct a new Gio.File object from path.",
                                     exc=e, show_exception=True)
         else:
@@ -109,7 +109,7 @@ def show_image_external(self, _action, image_path: GLib.Variant, *args):
             def open_image_finish(_, result, *args):
                 try:
                     launcher.launch_finish(result)
-                except GLib.GError as e:
+                except GLib.Error as e:
                     if e.code != 2: # 'The portal dialog was dismissed by the user' error
                         logging.traceback_error("Failed to finish Gtk.FileLauncher procedure.",
                                                 exc=e, show_exception=True)

halftone/views/dither_page.py

@@ -183,7 +183,7 @@ def update_preview_image(self, path: str, output_options: OutputOptions,
 
         try:
             self.set_updated_paintable(self.preview_image_path)
-        except GLib.GError:
+        except GLib.Error:
             self.win.show_error_page()
             raise
 
@@ -199,7 +199,7 @@ def load_preview_image(self, file: Gio.File):
 
         try:
             self.set_original_paintable(self.input_image_path)
-        except GLib.GError:
+        except GLib.Error:
             self.win.show_error_page()
             raise
 
@@ -414,7 +414,7 @@ def on_breakpoint_unapply(self, *args):
     def set_original_paintable(self, path: str):
         try:
             self.original_paintable = Gdk.Texture.new_from_filename(path)
-        except GLib.GError as e:
+        except GLib.Error as e:
             logging.traceback_error(
                 "Failed to construct new Gdk.Texture from path.",
                 exc=e, show_exception=True)
@@ -426,7 +426,7 @@ def set_original_paintable(self, path: str):
     def set_updated_paintable(self, path: str):
         try:
             self.updated_paintable = Gdk.Texture.new_from_filename(path)
-        except GLib.GError as e:
+        except GLib.Error as e:
             logging.traceback_error(
                 "Failed to construct new Gdk.Texture from path.",
                 exc=e, show_exception=True)
@@ -519,7 +519,7 @@ def start_task(self, task: callable, *args): #callback: callable
             thread.start()
             self.task_id = thread.ident
             self.tasks.append(thread)
-        except GLib.GError:
+        except GLib.Error:
             self.toast_overlay.add_toast(
                 Adw.Toast(title=_("Failed to load preview image"))
             )

halftone/views/main_window.py

@@ -93,7 +93,7 @@ def setup(self):
 
     def setup_image_dialog(self):
         supported_filter = get_file_filter(
-            _("Supported image formats"), supported_formats
+            _("Supported image formats"), supported_input_formats
         )
 
         filters = Gio.ListStore.new(Gtk.FileFilter)
@@ -111,7 +111,7 @@ def load_image(self, file: Gio.File):
         self.show_loading_page()
         try:
             self.dither_page.load_preview_image(file)
-        except GLib.GError as e:
+        except GLib.Error as e:
             # TODO: Modify error page for different error codes
             if e.code == 3:  # Unrecognized image file format
                 pass