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-rw-r--r--Lib/lib-tk/tkSimpleDialog.py7
-rw-r--r--Misc/NEWS3
2 files changed, 9 insertions, 1 deletions
diff --git a/Lib/lib-tk/tkSimpleDialog.py b/Lib/lib-tk/tkSimpleDialog.py
index 4d11ce0..02ea034 100644
--- a/Lib/lib-tk/tkSimpleDialog.py
+++ b/Lib/lib-tk/tkSimpleDialog.py
@@ -46,8 +46,13 @@ class Dialog(Toplevel):
title -- the dialog title
'''
Toplevel.__init__(self, parent)
- self.transient(parent)
+ # If the master is not viewable, don't
+ # make the child transient, or else it
+ # would be opened withdrawn
+ if parent.winfo_viewable():
+ self.transient(parent)
+
if title:
self.title(title)
diff --git a/Misc/NEWS b/Misc/NEWS
index 8c93519..42f0b93 100644
--- a/Misc/NEWS
+++ b/Misc/NEWS
@@ -98,6 +98,9 @@ Core and builtins
Library
-------
+- Patch #1538878: Don't make tkSimpleDialog dialogs transient if
+ the parent window is withdrawn.
+
- Bug #1597824: return the registered function from atexit.register()
to facilitate usage as a decorator.