email.py

class EntryHandler(InboundMailHandler):
    """
    Process inbound emails as entries into the database.

    Every email is a new post. User must login to web interface
    to edit any post details.

    message object:
     - subject
     - sender
     - to
     - cc
     - bodies
     - date
     - attachments

     optional fields within message.bodies:
      - slug (default message.subject)
      - published (default message.date)
      - tags
      - template
    """
    def receive(self, message):
        # Combine message bodies and decode html
        bodies = message.bodies('text/plain')

        for content_type, body in bodies:
            decoded_body = body.decode()

        # Split body from any optional fields
        body_list = decoded_body.split('\n\n', 1)
        body_len  = len(body_list)
        fields = body_list[0]
        body = body_list[1]

        # Grab any data from fields
        slug = message.subject.replace(' ', '-').lower()
        template = 'None'
        tags = 'None'
        draft = False

        if fields:
            for config in yaml.load_all(fields):
                if type(config) is dict:
                    # Probably should do this a better way
                    if 'slug' in config:
                        slug = config['slug']

                    if 'template' in config:
                        template = config['template']

                    if 'tags' in config:
                        tags = config['tags'].split(', ')

                    if 'draft' in config:
                        draft = True

        date = message.date.split(' -');
        published = datetime.datetime.strptime( date[0], "%a, %d %b %Y %H:%M:%S" )

        # save
        # Like: 
        # entry = Entry([...])
        # entry.put()