blender: relocate importing code into operator

__init__.py

@@ -12,6 +12,8 @@ if "bpy" in locals():
     import importlib
     if "import_gds" in locals():
         importlib.reload(import_gds)
+    if "gds" in locals():
+        importlib.reload(gds)
 
 import bpy
 
@@ -21,6 +23,7 @@ from bpy.props import (
         StringProperty,
         EnumProperty,
         )
+    
 from bpy_extras.io_utils import (
         ImportHelper,
         ExportHelper,
@@ -102,6 +105,7 @@ class ImportGDS(bpy.types.Operator, ImportHelper, IOOBJOrientationHelper):
     def execute(self, context):
         # print("Selected: " + context.active_object.name)
         from . import import_gds
+        from . import gds
 
         # ignore axis helper arguments
         keywords = self.as_keywords(ignore=("axis_forward",
@@ -114,19 +118,31 @@ class ImportGDS(bpy.types.Operator, ImportHelper, IOOBJOrientationHelper):
             import os
             keywords["relpath"] = os.path.dirname(bpy.data.filepath)
         
-        result= import_gds.load(context, **keywords)
+        # do the file import
+        progressCounter = import_gds.Progressor(context.window_manager)
 
-        # properly report errors to user in ui
-        if len(result) != 0 and "CANCELLED" in result:
+        try:
+            with open(keywords["filepath"], "rb") as file:
+                lib = gds.parse_file(file, progressCounter)
+        except gds.ParserError as e:
+            self.report({"ERROR_INVALID_INPUT"}, "cannot parse given gds file: {}".format(e))
+            
+        progressCounter.end()
+        sceneInserter = import_gds.SceneInserter(context, lib, top_cell=keywords["top_cell_name"])
+
+        if not sceneInserter(progressCounter):
             self.report({"ERROR_INVALID_INPUT"}, "Could not find structure with name {}".format(keywords["top_cell_name"]))
+            return {"CANCELLED"}
+
+        return {"FINISHED"}
 
-        return result
     def draw(self, context):
         layout = self.layout
 
         row = layout.row()
         row.prop(self, "top_cell_name")
 
+
         # row = layout.row(align=True)
         # row.prop(self, "use_smooth_groups")
         # row.prop(self, "use_edges")