diff --git a/plugins/extensions/pykrita/plugin/plugins/scripter/ui_scripter/actions/runaction/runaction.py b/plugins/extensions/pykrita/plugin/plugins/scripter/ui_scripter/actions/runaction/runaction.py
index ddebfd0f86..3936c18f32 100644
--- a/plugins/extensions/pykrita/plugin/plugins/scripter/ui_scripter/actions/runaction/runaction.py
+++ b/plugins/extensions/pykrita/plugin/plugins/scripter/ui_scripter/actions/runaction/runaction.py
@@ -1,44 +1,62 @@
 from PyQt5.QtWidgets import QAction, QMessageBox
 from PyQt5.QtGui import QIcon, QKeySequence
 from PyQt5.QtCore import Qt
 import sys
 from . import docwrapper
 import os
 from scripter import resources_rc
+import importlib.util
 
 
 class RunAction(QAction):
 
     def __init__(self, scripter, parent=None):
         super(RunAction, self).__init__(parent)
         self.scripter = scripter
 
         self.editor = self.scripter.uicontroller.editor
         self.output = self.scripter.uicontroller.findTabWidget('OutPut')
 
         self.triggered.connect(self.run)
 
         self.setText('Run')
         self.setToolTip('Run Ctrl+R')
         self.setIcon(QIcon(':/icons/run.svg'))
         self.setShortcut(QKeySequence(Qt.CTRL + Qt.Key_R))
 
     @property
     def parent(self):
         return 'toolBar'
 
     def run(self):
+        """ This method execute python code from an activeDocument (file) or direct
+            from editor (ui_scripter/editor/pythoneditor.py). When executing code
+            from a file, we use importlib to load this module/file and with
+            "users_script" name. That's implementation seeks for a "main()" function in the script.
+            When executing code from editor without creating a file, we compile
+            this script to bytecode and we execute this in an empty scope. That's
+            faster than use exec directly and cleaner, because we are using an empty scope. """
+
         self.scripter.uicontroller.setActiveWidget('OutPut')
         stdout = sys.stdout
         stderr = sys.stderr
         output = docwrapper.DocWrapper(self.output.document())
         output.write("======================================\n")
         sys.stdout = output
         sys.stderr = output
         script = self.editor.document().toPlainText()
+        document = self.scripter.documentcontroller.activeDocument
         try:
-            exec(script)
+            if document:
+                spec = importlib.util.spec_from_file_location("users_script", document.filePath)
+                users_module = importlib.util.module_from_spec(spec)
+                spec.loader.exec_module(users_module)
+                users_module.main()
+            else:
+                code = compile(script, '<string>', 'exec')
+                empty_scope = {}
+                exec(script, {})
         except Exception as e:
             self.scripter.uicontroller.showException(str(e))
         sys.stdout = stdout
         sys.stderr = stderr