set sd_model for API later, inside the lock, to prevent multiple requests with...

    def text2imgapi(self, txt2imgreq: StableDiffusionTxt2ImgProcessingAPI):

        populate = txt2imgreq.copy(update={ # Override __init__ params

            "sd_model": shared.sd_model,

            "sampler_name": validate_sampler_name(txt2imgreq.sampler_name or txt2imgreq.sampler_index),

            "do_not_save_samples": True,

            "do_not_save_grid": True

        )

        if populate.sampler_name:

            populate.sampler_index = None  # prevent a warning later on

        p = StableDiffusionProcessingTxt2Img(**vars(populate))

        with self.queue_lock:

            p = StableDiffusionProcessingTxt2Img(sd_model=shared.sd_model, **vars(populate))

            shared.state.begin()

            processed = process_images(p)

            shared.state.end()

            mask = decode_base64_to_image(mask)

        populate = img2imgreq.copy(update={ # Override __init__ params

            "sd_model": shared.sd_model,

            "sampler_name": validate_sampler_name(img2imgreq.sampler_name or img2imgreq.sampler_index),

            "do_not_save_samples": True,

            "do_not_save_grid": True,

        args = vars(populate)

        args.pop('include_init_images', None)  # this is meant to be done by "exclude": True in model, but it's for a reason that I cannot determine.

        p = StableDiffusionProcessingImg2Img(**args)

        with self.queue_lock:

            p = StableDiffusionProcessingImg2Img(sd_model=shared.sd_model, **args)

            p.init_images = [decode_base64_to_image(x) for x in init_images]

        with self.queue_lock:

            shared.state.begin()

            processed = process_images(p)

            shared.state.end()