attachments.py

def extract_and_add(file_upload, obj, workspace=None, token=None):
    """Extracts temporary attachments from storage and attaches them into `obj`
    
    Extract file data `from file_upload`, create file/image objects and add
    them as attachments to ``obj``. If workspace and token are given, reuse
    previously uploaded temporary attachments if they exist.
    """
    

docconv.py

# -*- coding: utf-8 -*-
def get(obj):
    """Get the preview images for the given object

    If there are currently no previews an empty list will be returned

    :param obj: The Plone object to get previews for
    :type obj: A Plone content object
    :return: The preview images
    :rtype: list
    """
    return []

def create(obj, request):
    """Generate the preview images for the given content object

    :param obj: The Plone object to get previews for
    :type obj: A Plone content object
    :param request: The Plone request object
    :type request: HTTPRequest
    """
    pass