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__init__(): RFC 2046 $4.1.2 says charsets are not case sensitive.

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Coerce the argument to lower case.  Also, since body encodings can't
be SHORTEST, default the CHARSETS failobj's second item to BASE64.
This commit is contained in:
Barry Warsaw 2002-10-10 15:11:20 +00:00
parent d4f7da3cd7
commit 14fc464ec9
1 changed files with 3 additions and 1 deletions
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4
Lib/email/Charset.py
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@ -177,13 +177,15 @@ class Charset:
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()
# 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
# charset_map dictionary. Try that first, but let the user override
# it.
henc, benc, conv = CHARSETS.get(self.input_charset,
(SHORTEST, SHORTEST, None))
(SHORTEST, BASE64, None))
# Set the attributes, allowing the arguments to override the default.
self.header_encoding = henc
self.body_encoding = benc