Issue #20067: Tkinter variables now work when wantobjects is false.
diff --git a/Lib/lib-tk/Tkinter.py b/Lib/lib-tk/Tkinter.py
index 6a91ba9..700f6bb 100644
--- 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
index 1210657..914f6f6 100644
--- 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.