# Copyright (C) 2001-2006 Python Software Foundation

# Author: Keith Dart

# Contact: email-sig@python.org

"""Class representing application/* type MIME documents."""

__all__ = ["MIMEApplication"]

from email import encoders

from email.mime.nonmultipart import MIMENonMultipart

class MIMEApplication(MIMENonMultipart):

    """Class for generating application/* MIME documents."""

    def __init__(self, _data, _subtype='octet-stream',

                 _encoder=encoders.encode_base64, **_params):

        """Create an application/* type MIME document.

        _data is a string containing the raw applicatoin data.

        _subtype is the MIME content type subtype, defaulting to

        'octet-stream'.

        _encoder is a function which will perform the actual encoding for

        transport of the application data, defaulting to base64 encoding.

        Any additional keyword arguments are passed to the base class

        constructor, which turns them into parameters on the Content-Type

        header.

        """

        if _subtype is None:

            raise TypeError('Invalid application MIME subtype')

        MIMENonMultipart.__init__(self, 'application', _subtype, **_params)

        self.set_payload(_data)

        _encoder(self)