changeset:   104679:f57078cf5f13
branch:      2.7
parent:      104670:1a7452e0d852
user:        Serhiy Storchaka <storchaka@gmail.com>
date:        Mon Oct 24 23:47:08 2016 +0300
files:       Lib/lib-tk/Tix.py Misc/NEWS
description:
Issue #25464: Fixed HList.header_exists() in Tix module by adding
a workaround to Tix library bug.


diff -r 1a7452e0d852 -r f57078cf5f13 Lib/lib-tk/Tix.py
--- a/Lib/lib-tk/Tix.py	Sun Oct 23 22:54:43 2016 +0300
+++ b/Lib/lib-tk/Tix.py	Mon Oct 24 23:47:08 2016 +0300
@@ -928,7 +928,11 @@
         return self.tk.call(self._w, 'header', 'cget', col, opt)
 
     def header_exists(self,  col):
-        return self.tk.call(self._w, 'header', 'exists', col)
+        # A workaround to Tix library bug (issue #25464).
+        # The documented command is "exists", but only erroneous "exist" is
+        # accepted.
+        return self.tk.getboolean(self.tk.call(self._w, 'header', 'exist', col))
+    header_exist = header_exists
 
     def header_delete(self, col):
         self.tk.call(self._w, 'header', 'delete', col)
diff -r 1a7452e0d852 -r f57078cf5f13 Misc/NEWS
--- a/Misc/NEWS	Sun Oct 23 22:54:43 2016 +0300
+++ b/Misc/NEWS	Mon Oct 24 23:47:08 2016 +0300
@@ -60,6 +60,9 @@
 Library
 -------
 
+- Issue #25464: Fixed HList.header_exists() in Tix module by adding
+  a workaround to Tix library bug.
+
 - Issue #28488: shutil.make_archive() no longer adds entry "./" to ZIP archive.
 
 - Issue #28480: Fix error building _sqlite3 module when multithreading is