Initial checking of Tk-based Python IDE.

Features: text editor with syntax coloring and undo;
subclassed into interactive Python shell which adds history.

Tools/idle/FrameViewer.py

@@ -0,0 +1,38 @@
+from repr import Repr
+from Tkinter import *
+
+class FrameViewer:
+
+    def __init__(self, root, frame):
+        self.root = root
+        self.frame = frame
+        self.top = Toplevel(self.root)
+        self.repr = Repr()
+        self.repr.maxstring = 60
+        self.load_variables()
+        
+    def load_variables(self):
+        row = 0
+        if self.frame.f_locals is not self.frame.f_globals:
+            l = Label(self.top, text="Local Variables",
+                      borderwidth=2, relief="raised")
+            l.grid(row=row, column=0, columnspan=2, sticky="ew")
+            row = self.load_names(self.frame.f_locals, row+1)
+        l = Label(self.top, text="Global Variables",
+                  borderwidth=2, relief="raised")
+        l.grid(row=row, column=0, columnspan=2, sticky="ew")
+        row = self.load_names(self.frame.f_globals, row+1)
+        
+    def load_names(self, dict, row):
+        names = dict.keys()
+        names.sort()
+        for name in names:
+            value = dict[name]
+            svalue = self.repr.repr(value)
+            l = Label(self.top, text=name)
+            l.grid(row=row, column=0, sticky="w")
+            l = Entry(self.top, width=60, borderwidth=0)
+            l.insert(0, svalue)
+            l.grid(row=row, column=1, sticky="w")
+            row = row+1
+        return row