__init__(): Coerce the input_charset to unicode (with ascii encoding) before
calling .lower() on it. This fixes the problem described in SF patch # 866982
where in the tr_TR.ISO-8859-9 locale, 'I'.lower() isn't 'i'. unicodes are
locale insensitive.
diff --git a/Lib/email/Charset.py b/Lib/email/Charset.py
index 6a3e3ca..df860c5 100644
--- a/Lib/email/Charset.py
+++ b/Lib/email/Charset.py
@@ -185,8 +185,9 @@
this attribute will have the same value as the input_codec.
"""
def __init__(self, input_charset=DEFAULT_CHARSET):
- # RFC 2046, $4.1.2 says charsets are not case sensitive
- input_charset = input_charset.lower()
+ # RFC 2046, $4.1.2 says charsets are not case sensitive. We coerce to
+ # unicode because its .lower() is locale insensitive.
+ input_charset = unicode(input_charset, 'ascii').lower()
# Set the input charset after filtering through the aliases
self.input_charset = ALIASES.get(input_charset, input_charset)
# We can try to guess which encoding and conversion to use by the