def __init__(self, _imagedata, _subtype=None,
_encoder=encoders.encode_base64, **_params):
"""Create an image/* type MIME document.
_imagedata is a string containing the raw image data. If this data
can be decoded by the standard Python `imghdr' module, then the
subtype will be automatically included in the Content-Type header.
Otherwise, you can specify the specific image subtype via the _subtype
parameter.
_encoder is a function which will perform the actual encoding for
transport of the image data. It takes one argument, which is this
Image instance. It should use get_payload() and set_payload() to
change the payload to the encoded form. It should also add any
Content-Transfer-Encoding or other headers to the message as
necessary. The default encoding is Base64.
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:
_subtype = imghdr.what(None, _imagedata)
if _subtype is None:
raise TypeError('Could not guess image MIME subtype')
MIMENonMultipart.__init__(self, 'image', _subtype, **_params)
self.set_payload(_imagedata)
_encoder(self)
def __init__(self, _text, _subtype='plain', _charset='us-ascii'):
"""Create a text/* type MIME document.
_text is the string for this message object.
_subtype is the MIME sub content type, defaulting to "plain".
_charset is the character set parameter added to the Content-Type
header. This defaults to "us-ascii". Note that as a side-effect, the
Content-Transfer-Encoding header will also be set.
"""
MIMENonMultipart.__init__(self, 'text', _subtype,
**{'charset': _charset})
self.set_payload(_text, _charset)
def __init__(self, _msg, _subtype="rfc822"):
"""Create a message/* type MIME document.
_msg is a message object and must be an instance of Message, or a
derived class of Message, otherwise a TypeError is raised.
Optional _subtype defines the subtype of the contained message. The
default is "rfc822" (this is defined by the MIME standard, even though
the term "rfc822" is technically outdated by RFC 2822).
"""
MIMENonMultipart.__init__(self, "message", _subtype)
if not isinstance(_msg, message.Message):
raise TypeError("Argument is not an instance of Message")
# It's convenient to use this base class method. We need to do it
# this way or we'll get an exception
message.Message.attach(self, _msg)
# And be sure our default type is set correctly
self.set_default_type("message/rfc822")
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)