Issue #17172: Add the ability to run turtledemo from Idle.

Make turtledemo start as active on Mac even when run with subprocess.
Patch by Ramchandra Apt, Lita Cho, and Ned Daily.

2 files changed, 14 insertions, 0 deletions

diff --git a/Lib/idlelib/Bindings.py b/Lib/idlelib/Bindings.py
index df2b251426..c9bef217b9 100644
--- a/Lib/idlelib/Bindings.py
+++ b/Lib/idlelib/Bindings.py
@@ -8,6 +8,8 @@ the PythonShell window, and a Format menu which is only present in the Editor
 windows.
 
 """
+from importlib.util import find_spec
+
 from idlelib.configHandler import idleConf
 
 #   Warning: menudefs is altered in macosxSupport.overrideRootMenu()
@@ -86,4 +88,7 @@ menudefs = [
    ]),
 ]
 
+if find_spec('turtledemo'):
+    menudefs[-1][1].append(('Turtle Demo', '<<open-turtle-demo>>'))
+
 default_keydefs = idleConf.GetCurrentKeySet()
diff --git a/Lib/idlelib/EditorWindow.py b/Lib/idlelib/EditorWindow.py
index f3df8eacc9..94cf31429d 100644
--- a/Lib/idlelib/EditorWindow.py
+++ b/Lib/idlelib/EditorWindow.py
@@ -222,6 +222,7 @@ class EditorWindow(object):
             text.bind("<<close-all-windows>>", self.flist.close_all_callback)
             text.bind("<<open-class-browser>>", self.open_class_browser)
             text.bind("<<open-path-browser>>", self.open_path_browser)
+            text.bind("<<open-turtle-demo>>", self.open_turtle_demo)
 
         self.set_status_bar()
         vbar['command'] = text.yview
@@ -705,6 +706,14 @@ class EditorWindow(object):
         from idlelib import PathBrowser
         PathBrowser.PathBrowser(self.flist)
 
+    def open_turtle_demo(self, event = None):
+        import subprocess
+
+        cmd = [sys.executable,
+               '-c',
+               'from turtledemo.__main__ import main; main()']
+        p = subprocess.Popen(cmd, shell=False)
+
     def gotoline(self, lineno):
         if lineno is not None and lineno > 0:
             self.text.mark_set("insert", "%d.0" % lineno)