make bim.profile_import_ifc a bit more friendly

src/blenderbim/blenderbim/bim/module/debug/operator.py

@@ -34,6 +34,7 @@ import blenderbim.tool as tool
 import blenderbim.core.debug as core
 import blenderbim.bim.handler
 import blenderbim.bim.import_ifc as import_ifc
+from pathlib import Path
 from blenderbim import get_debug_info, format_debug_info
 from blenderbim.bim.ifc import IfcStore
 
@@ -139,20 +140,30 @@ class ValidateIfcFile(bpy.types.Operator):
 
 
 class ProfileImportIFC(bpy.types.Operator):
+    profile_filename = "blender.prof"
     bl_idname = "bim.profile_import_ifc"
     bl_label = "Profile Import IFC"
+    bl_description = f"Reload currently loaded project and save cprofile stats for reloading to '{profile_filename}'"
 
     @classmethod
     def poll(cls, context):
-        return IfcStore.get_file() and context.scene.BIMProperties.ifc_file
+        if not tool.Ifc.get():
+            cls.poll_message_set("No IFC file loaded.")
+            return False
+        if not context.scene.BIMProperties.ifc_file:
+            cls.poll_message_set("Current IFC file is not saved.")
+            return False
+        return True
 
     def execute(self, context):
         import cProfile
         import pstats
 
-        cProfile.run("import bpy; bpy.ops.bim.load_project_elements()", "blender.prof")
-        p = pstats.Stats("blender.prof")
+        profile_file = Path(profile_filename)
+        cProfile.run("import bpy; bpy.ops.bim.load_project_elements()", str(profile_file))
+        p = pstats.Stats(str(profile_file))
         p.sort_stats("cumulative").print_stats(50)
+        self.report({"INFO"}, f'Profile stats are saved to "{profile_file.absolute()}".')
         return {"FINISHED"}