From: Guido van Rossum <guido@python.org>
Date: Fri, 25 Jun 1999 16:03:19 +0000 (+0000)
Subject: Add unregister() method.
X-Git-Tag: v1.6a1~1153
X-Git-Url: http://git.ipfire.org/gitweb.cgi?a=commitdiff_plain;h=374c0dfb10ec9bebffbcc9ec30b37043fd13d6dc;p=thirdparty%2FPython%2Fcpython.git

Add unregister() method.
Unregister everything at closing.
Don't call close() in __del__, rely on explicit call to close().
---

diff --git a/Tools/idle/WidgetRedirector.py b/Tools/idle/WidgetRedirector.py
index b11b0e40472f..b49ccf1c590a 100644
--- a/Tools/idle/WidgetRedirector.py
+++ b/Tools/idle/WidgetRedirector.py
@@ -18,11 +18,9 @@ class WidgetRedirector:
         return "WidgetRedirector(%s<%s>)" % (self.widget.__class__.__name__,
                                              self.widget._w)
 
-    def __del__(self):
-        self.close()
-
     def close(self):
-        self.dict = {}
+        for name in self.dict.keys():
+            self.unregister(name)
         widget = self.widget; del self.widget
         orig = self.orig; del self.orig
         tk = widget.tk
@@ -39,6 +37,16 @@ class WidgetRedirector:
         setattr(self.widget, name, function)
         return previous
 
+    def unregister(self, name):
+        if self.dict.has_key(name):
+            function = self.dict[name]
+            del self.dict[name]
+            if hasattr(self.widget, name):
+                delattr(self.widget, name)
+            return function
+        else:
+            return None
+
     def dispatch(self, cmd, *args):
         m = self.dict.get(cmd)
         try: