ComfyUI/comfy_api_nodes/nodes_bria.py

from typing_extensions import override

from comfy_api.latest import IO, ComfyExtension, Input
from comfy_api_nodes.apis.bria import (
    BriaEditImageRequest,
    BriaResponse,
    BriaStatusResponse,
    InputModerationSettings,
)
from comfy_api_nodes.util import (
    ApiEndpoint,
    convert_mask_to_image,
    download_url_to_image_tensor,
    get_number_of_images,
    poll_op,
    sync_op,
    upload_images_to_comfyapi,
)


class BriaImageEditNode(IO.ComfyNode):

    @classmethod
    def define_schema(cls):
        return IO.Schema(
            node_id="BriaImageEditNode",
            display_name="Bria Image Edit",
            category="api node/image/Bria",
            description="Edit images using Bria latest model",
            inputs=[
                IO.Combo.Input("model", options=["FIBO"]),
                IO.Image.Input("image"),
                IO.String.Input(
                    "prompt",
                    multiline=True,
                    default="",
                    tooltip="Instruction to edit image",
                ),
                IO.String.Input("negative_prompt", multiline=True, default=""),
                IO.String.Input(
                    "structured_prompt",
                    multiline=True,
                    default="",
                    tooltip="A string containing the structured edit prompt in JSON format. "
                    "Use this instead of usual prompt for precise, programmatic control.",
                ),
                IO.Int.Input(
                    "seed",
                    default=1,
                    min=1,
                    max=2147483647,
                    step=1,
                    display_mode=IO.NumberDisplay.number,
                    control_after_generate=True,
                ),
                IO.Float.Input(
                    "guidance_scale",
                    default=3,
                    min=3,
                    max=5,
                    step=0.01,
                    display_mode=IO.NumberDisplay.number,
                    tooltip="Higher value makes the image follow the prompt more closely.",
                ),
                IO.Int.Input(
                    "steps",
                    default=50,
                    min=20,
                    max=50,
                    step=1,
                    display_mode=IO.NumberDisplay.number,
                ),
                IO.DynamicCombo.Input(
                    "moderation",
                    options=[
                        IO.DynamicCombo.Option(
                            "true",
                            [
                                IO.Boolean.Input(
                                    "prompt_content_moderation", default=False
                                ),
                                IO.Boolean.Input(
                                    "visual_input_moderation", default=False
                                ),
                                IO.Boolean.Input(
                                    "visual_output_moderation", default=True
                                ),
                            ],
                        ),
                        IO.DynamicCombo.Option("false", []),
                    ],
                    tooltip="Moderation settings",
                ),
                IO.Mask.Input(
                    "mask",
                    tooltip="If omitted, the edit applies to the entire image.",
                    optional=True,
                ),
            ],
            outputs=[
                IO.Image.Output(),
                IO.String.Output(display_name="structured_prompt"),
            ],
            hidden=[
                IO.Hidden.auth_token_comfy_org,
                IO.Hidden.api_key_comfy_org,
                IO.Hidden.unique_id,
            ],
            is_api_node=True,
            price_badge=IO.PriceBadge(
                expr="""{"type":"usd","usd":0.04}""",
            ),
        )

    @classmethod
    async def execute(
        cls,
        model: str,
        image: Input.Image,
        prompt: str,
        negative_prompt: str,
        structured_prompt: str,
        seed: int,
        guidance_scale: float,
        steps: int,
        moderation: InputModerationSettings,
        mask: Input.Image | None = None,
    ) -> IO.NodeOutput:
        if not prompt and not structured_prompt:
            raise ValueError(
                "One of prompt or structured_prompt is required to be non-empty."
            )
        if get_number_of_images(image) != 1:
            raise ValueError("Exactly one input image is required.")
        mask_url = None
        if mask is not None:
            mask_url = (
                await upload_images_to_comfyapi(
                    cls,
                    convert_mask_to_image(mask),
                    max_images=1,
                    mime_type="image/png",
                    wait_label="Uploading mask",
                )
            )[0]
        response = await sync_op(
            cls,
            ApiEndpoint(path="proxy/bria/v2/image/edit", method="POST"),
            data=BriaEditImageRequest(
                instruction=prompt if prompt else None,
                structured_instruction=structured_prompt if structured_prompt else None,
                images=await upload_images_to_comfyapi(
                    cls,
                    image,
                    max_images=1,
                    mime_type="image/png",
                    wait_label="Uploading image",
                ),
                mask=mask_url,
                negative_prompt=negative_prompt if negative_prompt else None,
                guidance_scale=guidance_scale,
                seed=seed,
                model_version=model,
                steps_num=steps,
                prompt_content_moderation=moderation.get(
                    "prompt_content_moderation", False
                ),
                visual_input_content_moderation=moderation.get(
                    "visual_input_moderation", False
                ),
                visual_output_content_moderation=moderation.get(
                    "visual_output_moderation", False
                ),
            ),
            response_model=BriaStatusResponse,
        )
        response = await poll_op(
            cls,
            ApiEndpoint(path=f"/proxy/bria/v2/status/{response.request_id}"),
            status_extractor=lambda r: r.status,
            response_model=BriaResponse,
        )
        return IO.NodeOutput(
            await download_url_to_image_tensor(response.result.image_url),
            response.result.structured_prompt,
        )


class BriaExtension(ComfyExtension):
    @override
    async def get_node_list(self) -> list[type[IO.ComfyNode]]:
        return [
            BriaImageEditNode,
        ]


async def comfy_entrypoint() -> BriaExtension:
    return BriaExtension()