Issue #24137: Run IDLE, test_idle, and htest with tkinter default root disabled.

Fix code and tests that fail with this restriction.
Fix htests to not create a second and redundant root and mainloop.

1 files changed, 8 insertions, 9 deletions

diff --git a/Lib/idlelib/debugobj.py b/Lib/idlelib/debugobj.py
index 4016c03..0d8b2b2 100644
--- a/Lib/idlelib/debugobj.py
+++ b/Lib/idlelib/debugobj.py
@@ -122,21 +122,20 @@ def make_objecttreeitem(labeltext, object, setfunction=None):
     return c(labeltext, object, setfunction)
 
 
-def _object_browser(parent):
+def _object_browser(parent):  # htest #
     import sys
-    from tkinter import Tk
-    root = Tk()
-    root.title("Test debug object browser")
+    from tkinter import Toplevel
+    top = Toplevel(parent)
+    top.title("Test debug object browser")
     width, height, x, y = list(map(int, re.split('[x+]', parent.geometry())))
-    root.geometry("+%d+%d"%(x, y + 150))
-    root.configure(bd=0, bg="yellow")
-    root.focus_set()
-    sc = ScrolledCanvas(root, bg="white", highlightthickness=0, takefocus=1)
+    top.geometry("+%d+%d"%(x + 100, y + 175))
+    top.configure(bd=0, bg="yellow")
+    top.focus_set()
+    sc = ScrolledCanvas(top, bg="white", highlightthickness=0, takefocus=1)
     sc.frame.pack(expand=1, fill="both")
     item = make_objecttreeitem("sys", sys)
     node = TreeNode(sc.canvas, None, item)
     node.update()
-    root.mainloop()
 
 if __name__ == '__main__':
     from idlelib.idle_test.htest import run