From 400686764f1495807b0ab8b854549bb8a4235594 Mon Sep 17 00:00:00 2001
From: furkanonder <furkantahaonder@gmail.com>
Date: Sat, 11 Apr 2020 02:04:42 +0300
Subject: [PATCH 1/2] bpo-26571: fix Terminator Exception

---
 Lib/turtle.py | 12 +-----------
 1 file changed, 1 insertion(+), 11 deletions(-)

diff --git a/Lib/turtle.py b/Lib/turtle.py
index ee67a351b54f19..04319a3363292a 100644
--- a/Lib/turtle.py
+++ b/Lib/turtle.py
@@ -140,7 +140,7 @@
 _tg_utilities = ['write_docstringdict', 'done']
 
 __all__ = (_tg_classes + _tg_screen_functions + _tg_turtle_functions +
-           _tg_utilities + ['Terminator']) # + _math_functions)
+           _tg_utilities) # + _math_functions)
 
 _alias_list = ['addshape', 'backward', 'bk', 'fd', 'ht', 'lt', 'pd', 'pos',
                'pu', 'rt', 'seth', 'setpos', 'setposition', 'st',
@@ -854,13 +854,6 @@ def numinput(self, title, prompt, default=None, minval=None, maxval=None):
 ##############################################################################
 
 
-class Terminator (Exception):
-    """Will be raised in TurtleScreen.update, if _RUNNING becomes False.
-
-    This stops execution of a turtle graphics script.
-    Main purpose: use in the Demo-Viewer turtle.Demo.py.
-    """
-    pass
 
 
 class TurtleGraphicsError(Exception):
@@ -1289,7 +1282,6 @@ def _incrementudc(self):
         """Increment update counter."""
         if not TurtleScreen._RUNNING:
             TurtleScreen._RUNNING = True
-            raise Terminator
         if self._tracing > 0:
             self._updatecounter += 1
             self._updatecounter %= self._tracing
@@ -3944,14 +3936,12 @@ def {name}{paramslist}:
     if {obj} is None:
         if not TurtleScreen._RUNNING:
             TurtleScreen._RUNNING = True
-            raise Terminator
         {obj} = {init}
     try:
         return {obj}.{name}{argslist}
     except TK.TclError:
         if not TurtleScreen._RUNNING:
             TurtleScreen._RUNNING = True
-            raise Terminator
         raise
 """
 

From f2e9f057abf119bfb86f4e2f937ed3c971c55b78 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Furkan=20=C3=96nder?= <furkantahaonder@gmail.com>
Date: Mon, 4 May 2020 00:28:40 +0300
Subject: [PATCH 2/2] add  Terminator class

---
 Lib/turtle.py | 9 +++++++++
 1 file changed, 9 insertions(+)

diff --git a/Lib/turtle.py b/Lib/turtle.py
index 04319a3363292a..a553c2569bb905 100644
--- a/Lib/turtle.py
+++ b/Lib/turtle.py
@@ -854,6 +854,13 @@ def numinput(self, title, prompt, default=None, minval=None, maxval=None):
 ##############################################################################
 
 
+class Terminator (Exception):
+    """Will be raised in TurtleScreen.update, if _RUNNING becomes False.
+
+    This stops execution of a turtle graphics script.
+    Main purpose: use in the Demo-Viewer turtle.Demo.py.
+    """
+    pass
 
 
 class TurtleGraphicsError(Exception):
@@ -3936,12 +3943,14 @@ def {name}{paramslist}:
     if {obj} is None:
         if not TurtleScreen._RUNNING:
             TurtleScreen._RUNNING = True
+            raise Terminator
         {obj} = {init}
     try:
         return {obj}.{name}{argslist}
     except TK.TclError:
         if not TurtleScreen._RUNNING:
             TurtleScreen._RUNNING = True
+            raise Terminator
         raise
 """