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Tip revision: 74f4bd53e03ded8408bcc2de67cf0f5a4ac5b1a1 authored by Barry Warsaw on 23 February 2012, 15:59:38 UTC
Bump some more copyright years (as per PEP 101), since this is the first
Bump some more copyright years (as per PEP 101), since this is the first
Tip revision: 74f4bd5
quopri.rst
:mod:`quopri` --- Encode and decode MIME quoted-printable data
==============================================================
.. module:: quopri
:synopsis: Encode and decode files using the MIME quoted-printable encoding.
.. index::
pair: quoted-printable; encoding
single: MIME; quoted-printable encoding
This module performs quoted-printable transport encoding and decoding, as
defined in :rfc:`1521`: "MIME (Multipurpose Internet Mail Extensions) Part One:
Mechanisms for Specifying and Describing the Format of Internet Message Bodies".
The quoted-printable encoding is designed for data where there are relatively
few nonprintable characters; the base64 encoding scheme available via the
:mod:`base64` module is more compact if there are many such characters, as when
sending a graphics file.
.. function:: decode(input, output[,header])
Decode the contents of the *input* file and write the resulting decoded binary
data to the *output* file. *input* and *output* must either be file objects or
objects that mimic the file object interface. *input* will be read until
``input.readline()`` returns an empty string. If the optional argument *header*
is present and true, underscore will be decoded as space. This is used to decode
"Q"-encoded headers as described in :rfc:`1522`: "MIME (Multipurpose Internet
Mail Extensions) Part Two: Message Header Extensions for Non-ASCII Text".
.. function:: encode(input, output, quotetabs)
Encode the contents of the *input* file and write the resulting quoted-printable
data to the *output* file. *input* and *output* must either be file objects or
objects that mimic the file object interface. *input* will be read until
``input.readline()`` returns an empty string. *quotetabs* is a flag which
controls whether to encode embedded spaces and tabs; when true it encodes such
embedded whitespace, and when false it leaves them unencoded. Note that spaces
and tabs appearing at the end of lines are always encoded, as per :rfc:`1521`.
.. function:: decodestring(s[,header])
Like :func:`decode`, except that it accepts a source string and returns the
corresponding decoded string.
.. function:: encodestring(s[, quotetabs])
Like :func:`encode`, except that it accepts a source string and returns the
corresponding encoded string. *quotetabs* is optional (defaulting to 0), and is
passed straight through to :func:`encode`.
.. seealso::
Module :mod:`mimify`
General utilities for processing of MIME messages.
Module :mod:`base64`
Encode and decode MIME base64 data