images module

Module for managing image storage on backend.

images.get_image_as_b64(uuid, filetype='png')

Gets b64 image string by uuid

Parameters:

• uuid – uuid of image
• filetype – file type to output, options are jpeg, png, or gif

Returns:

b64 string of image

images.get_image_by_uuid(uuid)

Retrieves uint array of image by its uuid

Parameters:uuid – UUID of image as string Returns:grayscale image array

images.save_image(img_str)

Converts image string to binary and saves onto drive

Parameters:img_str – base64 image string Returns:uuid of image

images.save_image_from_arr(img_arr)

Converts uint array to png file (intermediary format stored on server)

Parameters:img_arr – uint array of image Returns:uuid of image

images.split_img_str(img_str)

Splits image string from frontend into metadata and b64 binary

Parameters:img_str – raw string from frontend Returns:tuple of image type and binary