From: Guido van Rossum <guido@python.org>
Date: Wed, 16 Apr 2003 20:10:03 +0000 (+0000)
Subject: Add 'get' method to Variable and switch it from internal class to
X-Git-Tag: v2.3c1~1160
X-Git-Url: https://granicus.if.org/sourcecode?a=commitdiff_plain;h=2cd0a65c708d6120487f161f9039b981a03ae20b;p=python

Add 'get' method to Variable and switch it from internal class to
standard class (it is now useful because it doesn't constrain the type
of the value).
---

diff --git a/Lib/lib-tk/Tkinter.py b/Lib/lib-tk/Tkinter.py
index bd36d10f58..2a822a1937 100644
--- a/Lib/lib-tk/Tkinter.py
+++ b/Lib/lib-tk/Tkinter.py
@@ -163,7 +163,10 @@ def _exit(code='0'):
 
 _varnum = 0
 class Variable:
-    """Internal class. Base class to define value holders for e.g. buttons."""
+    """Class to define value holders for e.g. buttons.
+
+    Subclasses StringVar, IntVar, DoubleVar, BooleanVar are specializations
+    that constrain the type of the value returned from get()."""
     _default = ""
     def __init__(self, master=None):
         """Construct a variable with an optional MASTER as master widget.
@@ -186,6 +189,9 @@ class Variable:
     def set(self, value):
         """Set the variable to VALUE."""
         return self._tk.globalsetvar(self._name, value)
+    def get(self):
+        """Return value of variable."""
+        return self._tk.globalgetvar(self._name)
     def trace_variable(self, mode, callback):
         """Define a trace callback for the variable.