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7.8 mimify -- MIME processing of mail messages

7.8 mimify -- MIME processing of mail messages

Deprecated since release 2.3. The email package should be used in preference to the mimify module. This module is present only to maintain backward compatibility.

The mimify module defines two functions to convert mail messages to and from MIME format. The mail message can be either a simple message or a so-called multipart message. Each part is treated separately. Mimifying (a part of) a message entails encoding the message as quoted-printable if it contains any characters that cannot be represented using 7-bit ASCII. Unmimifying (a part of) a message entails undoing the quoted-printable encoding. Mimify and unmimify are especially useful when a message has to be edited before being sent. Typical use would be:

unmimify message
edit message
mimify message
send message

The modules defines the following user-callable functions and user-settable variables:

mimify( infile, outfile)
Copy the message in infile to outfile, converting parts to quoted-printable and adding MIME mail headers when necessary. infile and outfile can be file objects (actually, any object that has a readline() method (for infile) or a write() method (for outfile)) or strings naming the files. If infile and outfile are both strings, they may have the same value.

unmimify( infile, outfile[, decode_base64])
Copy the message in infile to outfile, decoding all quoted-printable parts. infile and outfile can be file objects (actually, any object that has a readline() method (for infile) or a write() method (for outfile)) or strings naming the files. If infile and outfile are both strings, they may have the same value. If the decode_base64 argument is provided and tests true, any parts that are coded in the base64 encoding are decoded as well.

mime_decode_header( line)
Return a decoded version of the encoded header line in line. This only supports the ISO 8859-1 charset (Latin-1).

mime_encode_header( line)
Return a MIME-encoded version of the header line in line.

MAXLEN
By default, a part will be encoded as quoted-printable when it contains any non-ASCII characters (characters with the 8th bit set), or if there are any lines longer than MAXLEN characters (default value 200).

CHARSET
When not specified in the mail headers, a character set must be filled in. The string used is stored in CHARSET, and the default value is ISO-8859-1 (also known as Latin1 (latin-one)).

This module can also be used from the command line. Usage is as follows:

mimify.py -e [-l length] [infile [outfile]]
mimify.py -d [-b] [infile [outfile]]
to encode (mimify) and decode (unmimify) respectively. infile defaults to standard input, outfile defaults to standard output. The same file can be specified for input and output.

If the -l option is given when encoding, if there are any lines longer than the specified length, the containing part will be encoded.

If the -b option is given when decoding, any base64 parts will be decoded as well.

See Also:

Module quopri:
Encode and decode MIME quoted-printable files.
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