diff options
Diffstat (limited to 'Lib/email/header.py')
| -rw-r--r-- | Lib/email/header.py | 26 |
1 files changed, 10 insertions, 16 deletions
diff --git a/Lib/email/header.py b/Lib/email/header.py index bb2c5ee..94eb1a9 100644 --- a/Lib/email/header.py +++ b/Lib/email/header.py @@ -245,32 +245,26 @@ class Header: that byte string, and a UnicodeError will be raised if the string cannot be decoded with that charset. If s is a Unicode string, then charset is a hint specifying the character set of the characters in - the string. In this case, when producing an RFC 2822 compliant header - using RFC 2047 rules, the Unicode string will be encoded using the - following charsets in order: us-ascii, the charset hint, utf-8. The - first character set not to provoke a UnicodeError is used. + the string. In either case, when producing an RFC 2822 compliant + header using RFC 2047 rules, the string will be encoded using the + output codec of the charset. If the string cannot be encoded to the + output codec, a UnicodeError will be raised. - Optional `errors' is passed as the third argument to any unicode() or - ustr.encode() call. + Optional `errors' is passed as the errors argument to the decode + call if s is a byte string. """ if charset is None: charset = self._charset elif not isinstance(charset, Charset): charset = Charset(charset) - if isinstance(s, str): - # Convert the string from the input character set to the output - # character set and store the resulting bytes and the charset for - # composition later. + if not isinstance(s, str): input_charset = charset.input_codec or 'us-ascii' - input_bytes = s.encode(input_charset, errors) - else: - # We already have the bytes we will store internally. - input_bytes = s + s = s.decode(input_charset, errors) # Ensure that the bytes we're storing can be decoded to the output # character set, otherwise an early error is thrown. output_charset = charset.output_codec or 'us-ascii' - output_string = input_bytes.decode(output_charset, errors) - self._chunks.append((output_string, charset)) + s.encode(output_charset, errors) + self._chunks.append((s, charset)) def encode(self, splitchars=';, \t', maxlinelen=None, linesep='\n'): """Encode a message header into an RFC-compliant format. |