#
# Author: Keith Dart

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

__all__ = ["MIMEApplication"]

from email import Encoders
from email.MIMENonMultipart import MIMENonMultipart


class MIMEApplication(MIMENonMultipart):
    """Class for generating application/* MIME documents."""

    def __init__(self, _data, _subtype=None,
                 _encoder=Encoders.encode_base64, **_params):
        """Create an audio/* type MIME document.

        _data is a string containing the raw applicatoin data. 

        _encoder is a function which will perform the actual encoding for
        transport of the application data.  

        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, 'Could not find application MIME subtype'
        MIMENonMultipart.__init__(self, 'application', _subtype, **_params)
        self.set_payload(_data)
        _encoder(self)