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-rw-r--r--Lib/encodings/idna.py6
1 files changed, 6 insertions, 0 deletions
diff --git a/Lib/encodings/idna.py b/Lib/encodings/idna.py
index 4814215..f8a31d8 100644
--- a/Lib/encodings/idna.py
+++ b/Lib/encodings/idna.py
@@ -149,6 +149,9 @@ class Codec(codecs.Codec):
# 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 @@ class Codec(codecs.Codec):
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)