~ small fix

gui/gui.py

@@ -99,9 +99,12 @@ class Gui:
                                     'You didn\'t set a name for the image, it will be named randomly.')
                                 output_name = secrets.token_hex(16)
                     
-                            path = nassi(input_path=file_path, output_path=output_path, outputname=output_name, gui=self,
+                            path, file_is_empty = nassi(input_path=file_path, output_path=output_path, outputname=output_name, gui=self,
                                   font_filepath=font_filepath, behaviour=exists_choice, types=types, remove_tags=modifier, comments=comments)
-                            if path:
+
+                            if file_is_empty:
+                                sg.popup_annoying('Our interpreter did not find anything. --> blame Kons or yourself!', title='Empty')
+                            elif path:
                                 fnames = output(path)
                                 sg.popup_annoying('Successfully created!', title='Created',
                                                 auto_close_duration=2, auto_close=True, text_color='green')
@@ -163,10 +166,14 @@ class Gui:
 
             # handle event select output folder
             if event == '-OUTPUT FOLDER-':
+                try:
                     logging.debug(('event = ' + str(event) +
                                 ' value = ' + str(values['-OUTPUT FOLDER-'])))
                     fnames = output(values['-OUTPUT FOLDER-'])
                     window['-OUTPUT FILE LIST-'].update(fnames)
+                except Exception as e:
+                    logging.error(str(e))
+                    sg.popup_error(str(e))
             elif event == '-OUTPUT FILE LIST-':
                 logging.debug(('event = ' + str(event) +
                                ' value = ' + str(values['-OUTPUT FILE LIST-'])))

gui/utils.py

@@ -23,13 +23,14 @@ def nassi(input_path: str, output_path: str, outputname: str, types, remove_tags
 
     custom_tags = {"comments" : comments, "ignore" : remove_tags, "types" : types}
     
-    NSD.load_from_file(input_path, custom_tags)
+    is_empty = NSD.load_from_file(input_path, custom_tags)
+
     cancel = NSD.convert_to_image(output_directory, on_conflict=behaviour)
     
     if not cancel:
         return None
 
-    return output_directory
+    return output_directory, is_empty
 
 
 

interpreter/NassiShneidermann.py

@@ -85,3 +85,8 @@ class NassiShneidermanDiagram:
         itp = JavaInterpreter(filepath)
         itp.reset_tags(itp_custom_tags)
         self.function_scopes = itp.load_instruction_scopes()
+        
+        if not self.function_scopes:
+            return True
+        else:
+            return False