[Python-checkins] cpython (2.7): Issue #20067: Tkinter variables now work when wantobjects is false.

Thu Dec 26 19:09:02 CET 2013

http://hg.python.org/cpython/rev/b13c15a9ae54
changeset: 88196:b13c15a9ae54
branch: 2.7
parent: 88191:3598805d7636
user: Serhiy Storchaka <storchaka at gmail.com>
date: Thu Dec 26 20:05:53 2013 +0200
summary:
 Issue #20067: Tkinter variables now work when wantobjects is false.
files:
 Lib/lib-tk/Tkinter.py | 6 ++++--
 Misc/NEWS | 2 ++
 2 files changed, 6 insertions(+), 2 deletions(-)

diff --git a/Lib/lib-tk/Tkinter.py b/Lib/lib-tk/Tkinter.py
--- a/Lib/lib-tk/Tkinter.py
+++ b/Lib/lib-tk/Tkinter.py
@@ -223,11 +223,13 @@
 _varnum += 1
 if value is not None:
 self.set(value)
- elif not self._tk.call("info", "exists", self._name):
+ elif not self._tk.getboolean(self._tk.call("info", "exists", self._name)):
 self.set(self._default)
 def __del__(self):
 """Unset the variable in Tcl."""
- self._tk.globalunsetvar(self._name)
+ if (self._tk is not None and
+ self._tk.getboolean(self._tk.call("info", "exists", self._name))):
+ self._tk.globalunsetvar(self._name)
 def __str__(self):
 """Return the name of the variable in Tcl."""
 return self._name
diff --git a/Misc/NEWS b/Misc/NEWS
--- a/Misc/NEWS
+++ b/Misc/NEWS
@@ -27,6 +27,8 @@
 Library
 -------
 
+- Issue #20067: Tkinter variables now work when wantobjects is false.
+
 - Issue #19020: Tkinter now uses splitlist() instead of split() in configure
 methods.
 
-- 
Repository URL: http://hg.python.org/cpython
