| | |
| | |
| | |
| |
|
| | """Class representing image/* type MIME documents.""" |
| |
|
| | __all__ = ['MIMEImage'] |
| |
|
| | import imghdr |
| |
|
| | from email import encoders |
| | from email.mime.nonmultipart import MIMENonMultipart |
| |
|
| |
|
| | |
| | class MIMEImage(MIMENonMultipart): |
| | """Class for generating image/* type MIME documents.""" |
| |
|
| | def __init__(self, _imagedata, _subtype=None, |
| | _encoder=encoders.encode_base64, *, policy=None, **_params): |
| | """Create an image/* type MIME document. |
| | |
| | _imagedata contains the bytes for the raw image data. If the 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, policy=policy, |
| | **_params) |
| | self.set_payload(_imagedata) |
| | _encoder(self) |
| |
|
