[Python-checkins] python/dist/src/Lib/encodings idna.py, 1.4, 1.4.4.1

[loewis@users.sourceforge.net]

Update of /cvsroot/python/python/dist/src/Lib/encodings
In directory sc8-pr-cvs1.sourceforge.net:/tmp/cvs-serv11298/Lib/encodings

Modified Files:
      Tag: release24-maint
	idna.py 
Log Message:
Make IDNA return an empty string when the input is empty. Fixes #1163178.


Index: idna.py
===================================================================
RCS file: /cvsroot/python/python/dist/src/Lib/encodings/idna.py,v
retrieving revision 1.4
retrieving revision 1.4.4.1
diff -u -d -r1.4 -r1.4.4.1
--- idna.py	23 Mar 2004 23:40:36 -0000	1.4
+++ idna.py	25 Aug 2005 11:04:04 -0000	1.4.4.1
@@ -149,6 +149,9 @@
             # IDNA is quite clear that implementations must be strict
             raise UnicodeError, "unsupported error handling "+errors
 
+        if not input:
+            return "", 0
+
         result = []
         labels = dots.split(input)
         if labels and len(labels[-1])==0:
@@ -166,6 +169,9 @@
         if errors != 'strict':
             raise UnicodeError, "Unsupported error handling "+errors
 
+        if not input:
+            return u"", 0
+
         # IDNA allows decoding to operate on Unicode strings, too.
         if isinstance(input, unicode):
             labels = dots.split(input)