[Wisp-cvs] wisp/users/dig bits.py,1.7,1.8

[<di...@us...>]

Update of /cvsroot/wisp/wisp/users/dig
In directory sc8-pr-cvs1:/tmp/cvs-serv16976

Modified Files:
	bits.py 
Log Message:
added some range checking to Bits.__setitem__

Index: bits.py
===================================================================
RCS file: /cvsroot/wisp/wisp/users/dig/bits.py,v
retrieving revision 1.7
retrieving revision 1.8
diff -u -d -r1.7 -r1.8
--- bits.py	26 Apr 2003 21:27:45 -0000	1.7
+++ bits.py	26 Apr 2003 21:31:19 -0000	1.8
@@ -62,9 +62,14 @@
             if index.start == None or index.stop != None or \
                     not index.step in (1, 2, 4):
                 raise 'Bad slice for Bits.__setitem__', index
+            if index.start > len(this._contents):
+                raise IndexError, index.start
             if index.step == 1: this._contents[index.start] = chr(value % 0x100)
             else:
                 tpl = this._byte_order + {2: 'H', 4: 'L'}[index.step]
                 this._contents[index.start : index.start + index.step] = \
                     array('c', pack(tpl, value % (1L << (index.step << 3))))
-        else: this._contents[index] = chr(value % 0x100)
+        else:
+            if index > len(this._contents):
+                raise IndexError, index
+            this._contents[index] = chr(value % 0x100)