"quopri" — MIME quoted-printable 形式データのエンコードおよびデコード
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**ソースコード:** Lib/quopri.py

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このモジュールは **RFC 1521**: 「MIME (Multipurpose Internet Mail
Extensions) Part One: Mechanisms for Specifying and Describing the
Format of Internet Message Bodies」 で定義されている quoted-printable
による伝送のエンコードおよびデコードを行います。 quoted-printable エン
コーディングは比較的印字不可能な文字の少ないデータのために設計されてい
ます; 画像ファイルを送るときのように印字不可能な文字がたくさんある場合
には、 "base64" モジュールで利用できる base64 エンコーディングのほうが
よりコンパクトになります。

quopri.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」.

quopri.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**.

quopri.decodestring(s[, header])

   Like "decode()", except that it accepts a source string and returns
   the corresponding decoded string.

quopri.encodestring(s[, quotetabs])

   Like "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 "encode()".

参考:

  Module "mimify"
     General utilities for processing of MIME messages.

  "base64" モジュール
     MIME base64 形式データのエンコードおよびデコード
