예제 #1
0
파일: utils.py 프로젝트: boothead/karl
def store_attachments(attachments_folder, params, creator):
    """Given some request data, pick apart and store attachments"""

    # Get the attachments out of the form data.  We do iteritems
    # becauser there might be multiple with the name prefixed by
    # attachment.
    new_attachments = []
    for key, value in params.iteritems():
        if key.startswith('attachment') and value != '':
            new_attachments.append(value)

    # Iterate through the new attachments and create content to store in
    # the attachments folder.
    for attachment in new_attachments:
        filename = make_unique_name(attachments_folder,
                                    basename_of_filepath(attachment.filename))
        attachments_folder[filename] = obj = create_content(
            ICommunityFile,
            title = filename,
            stream = attachment.file,
            mimetype = attachment.type,
            filename = filename,
            creator = creator,
            )
        check_upload_size(attachments_folder, obj, 'attachment')
예제 #2
0
파일: files.py 프로젝트: boothead/karl
    def handle_submit(self, converted):
        context = self.context
        request = self.request
        workflow = self.workflow

        # *will be* modified event
        objectEventNotify(ObjectWillBeModifiedEvent(context))
        if workflow is not None:
            if 'security_state' in converted:
                workflow.transition_to_state(context, request,
                                             converted['security_state'])

        context.title = converted['title']

        f = converted['file']

        if f.filename:
            context.upload(f.file)
            context.mimetype = get_mimetype(f.mimetype, f.filename)
            context.filename = f.filename
            check_upload_size(context, context, 'file')
        else:
            meta = f.metadata
            if meta.get('remove'):
                raise ValidationError(file='Must supply a file')

        # Tags, attachments, alerts
        set_tags(context, request, converted['tags'])

        # modified
        context.modified_by = authenticated_userid(request)
        objectEventNotify(ObjectModifiedEvent(context))

        self.filestore.clear()
        location = model_url(context, request,
                             query={'status_message':'File changed'})
        return HTTPFound(location=location)
예제 #3
0
def drawer_upload_view(context, request,
                       check_upload_size=check_upload_size,
                       get_image_info=get_image_info,
                       batch_images=batch_images,
                       ):
    """Drawer posts a file with the parameter name "file".
    """

    ## XXX The rest is copied from add_file_view. A common denominator
    ## would be desirable.

    creator = authenticated_userid(request)

    fieldstorage = request.params.get('file')
    if not hasattr(fieldstorage, 'filename'):
        msg = 'You must select a file before clicking Upload.'
        return dict(error = msg)

    # For file objects, OSI's policy is to store the upload file's
    # filename as the objectid, instead of basing __name__ on the
    # title field).
    filename = basename_of_filepath(fieldstorage.filename)

    stream = fieldstorage.file
    # use parameter, as the title (or basename, if missing).
    title = request.params.get('title', filename)
    image = create_content(ICommunityFile,
                          title=title,
                          stream=stream,
                          mimetype=get_upload_mimetype(fieldstorage),
                          filename=fieldstorage.filename,
                          creator=creator,
                          )
    # Check if it's an image.
    if not IImage.providedBy(image):
        msg = 'File %s is not an image' % filename
        return dict(error=msg)

    check_upload_size(context, image, 'file')

    if hasattr(context, 'get_attachments'):
        target_folder = context.get_attachments()
        if not has_permission('create', target_folder, request):
            msg = 'You do not have permission to upload files here.'
            return dict(error=msg)

        image.filename = filename
        name = make_name(target_folder, filename, raise_error=False)
        if not name:
            msg = 'The filename must not be empty'
            return dict(error=msg)

        # Is there a key in context with that filename?
        if name in target_folder:
            msg = 'Filename %s already exists in this folder' % filename
            return dict(error=msg)

        target_folder[name] = image

        workflow = get_workflow(ICommunityFile, 'security', context)
        if workflow is not None:
            workflow.initialize(image)

    # In cases where the image is to live in a piece of content which has not
    # yet been created (like when using an 'Add' form), the context is going
    # to be the eventual parent of the not yet created content, which will be
    # the eventual parent of the just now created image.  Since we have nowhere
    # to put the image, we put it in a tempfolder and later move it over after
    # the content is created.  Normal ContentAdded event handlers are not
    # called at this stage and workflow is not yet initialized.  These will
    # occur when the content is moved over.
    else:
        image.modified = datetime.datetime.now()
        tempfolder = find_tempfolder(context)
        tempfolder.add_document(image)


    # Return info about the image uploaded
    return dict(
        upload_image_info=get_image_info(image, request, thumb_size=LARGE_THUMB_SIZE),
    )
예제 #4
0
파일: imagedrawer.py 프로젝트: zagy/karl
def drawer_upload_view(context, request,
                       check_upload_size=check_upload_size,
                       get_image_info=get_image_info,
                       batch_images=batch_images,
                       ):
    """Drawer posts a file with the parameter name "file".
    """

    ## XXX The rest is copied from add_file_view. A common denominator
    ## would be desirable.

    creator = authenticated_userid(request)

    fieldstorage = request.params.get('file')
    if not hasattr(fieldstorage, 'filename'):
        msg = 'You must select a file before clicking Upload.'
        return dict(error = msg)

    # For file objects, OSI's policy is to store the upload file's
    # filename as the objectid, instead of basing __name__ on the
    # title field).
    filename = basename_of_filepath(fieldstorage.filename)

    stream = fieldstorage.file
    # use parameter, as the title (or basename, if missing).
    title = request.params.get('title', filename)
    image = create_content(ICommunityFile,
                          title=title,
                          stream=stream,
                          mimetype=get_upload_mimetype(fieldstorage),
                          filename=fieldstorage.filename,
                          creator=creator,
                          )
    # Check if it's an image.
    if not IImage.providedBy(image):
        msg = 'File %s is not an image' % filename
        return dict(error=msg)

    check_upload_size(context, image, 'file')

    if hasattr(context, 'get_attachments'):
        target_folder = context.get_attachments()
        if not has_permission('create', target_folder, request):
            msg = 'You do not have permission to upload files here.'
            return dict(error=msg)

        image.filename = filename
        name = make_name(target_folder, filename, raise_error=False)
        if not name:
            msg = 'The filename must not be empty'
            return dict(error=msg)

        # Is there a key in context with that filename?
        if name in target_folder:
            msg = 'Filename %s already exists in this folder' % filename
            return dict(error=msg)

        target_folder[name] = image

        workflow = get_workflow(ICommunityFile, 'security', context)
        if workflow is not None:
            workflow.initialize(image)

    # In cases where the image is to live in a piece of content which has not
    # yet been created (like when using an 'Add' form), the context is going
    # to be the eventual parent of the not yet created content, which will be
    # the eventual parent of the just now created image.  Since we have nowhere
    # to put the image, we put it in a tempfolder and later move it over after
    # the content is created.  Normal ContentAdded event handlers are not
    # called at this stage and workflow is not yet initialized.  These will
    # occur when the content is moved over.
    else:
        image.modified = datetime.datetime.now()
        tempfolder = find_tempfolder(context)
        tempfolder.add_document(image)


    # Return info about the image uploaded
    return dict(
        upload_image_info=get_image_info(image, request, thumb_size=LARGE_THUMB_SIZE),
    )
예제 #5
0
def drawer_upload_view(context, request,
                       check_upload_size=check_upload_size,
                       get_image_info=get_image_info,
                       batch_images=batch_images,
                       ):
    """Drawer posts a file with the parameter name "file".
    """

    ## XXX The rest is copied from add_file_view. A common denominator
    ## would be desirable.

    creator = authenticated_userid(request)

    fieldstorage = request.params.get('file')
    if not hasattr(fieldstorage, 'filename'):
        msg = 'You must select a file before clicking Upload.'
        return dict(error = msg)

    stream = fieldstorage.file
    title = fieldstorage.filename
    image = create_content(ICommunityFile,
                          title=title,
                          stream=stream,
                          mimetype=get_upload_mimetype(fieldstorage),
                          filename=fieldstorage.filename,
                          creator=creator,
                          )
    check_upload_size(context, image, 'file')

    if hasattr(context, 'get_attachments'):
        target_folder = context.get_attachments()
        if not has_permission('create', target_folder, request):
            msg = 'You do not have permission to upload files here.'
            return dict(error=msg)

        # For file objects, OSI's policy is to store the upload file's
        # filename as the objectid, instead of basing __name__ on the
        # title field).
        filename = basename_of_filepath(fieldstorage.filename)
        image.filename = filename
        name = make_name(target_folder, filename, raise_error=False)
        if not name:
            msg = 'The filename must not be empty'
            return dict(error=msg)

        # Is there a key in context with that filename?
        if name in target_folder:
            msg = 'Filename %s already exists in this folder' % filename
            return dict(error=msg)

        target_folder[name] = image

    else:
        tempfolder = find_tempfolder(context)
        tempfolder.add_document(image)

    workflow = get_workflow(ICommunityFile, 'security', context)
    if workflow is not None:
        workflow.initialize(image)

    # Update the thumbnails
    return dict(
        upload_image_info=get_image_info(image, request),
        images_info=batch_images(context, request),
    )