ComfyUI/comfy_extras/nodes_cond.py

from typing_extensions import override

from comfy_api.latest import ComfyExtension, io


class CLIPTextEncodeControlnet(io.ComfyNode):
    @classmethod
    def define_schema(cls) -> io.Schema:
        return io.Schema(
            node_id="CLIPTextEncodeControlnet",
            category="experimental/conditioning",
            inputs=[
                io.Clip.Input("clip"),
                io.Conditioning.Input("conditioning"),
                io.String.Input("text", multiline=True, dynamic_prompts=True),
            ],
            outputs=[io.Conditioning.Output()],
            is_experimental=True,
        )

    @classmethod
    def execute(cls, clip, conditioning, text) -> io.NodeOutput:
        tokens = clip.tokenize(text)
        cond, pooled = clip.encode_from_tokens(tokens, return_pooled=True)
        c = []
        for t in conditioning:
            n = [t[0], t[1].copy()]
            n[1]['cross_attn_controlnet'] = cond
            n[1]['pooled_output_controlnet'] = pooled
            c.append(n)
        return io.NodeOutput(c)

class T5TokenizerOptions(io.ComfyNode):
    @classmethod
    def define_schema(cls) -> io.Schema:
        return io.Schema(
            node_id="T5TokenizerOptions",
            category="experimental/conditioning",
            inputs=[
                io.Clip.Input("clip"),
                io.Int.Input("min_padding", default=0, min=0, max=10000, step=1, advanced=True),
                io.Int.Input("min_length", default=0, min=0, max=10000, step=1, advanced=True),
            ],
            outputs=[io.Clip.Output()],
            is_experimental=True,
        )

    @classmethod
    def execute(cls, clip, min_padding, min_length) -> io.NodeOutput:
        clip = clip.clone()
        for t5_type in ["t5xxl", "pile_t5xl", "t5base", "mt5xl", "umt5xxl"]:
            clip.set_tokenizer_option("{}_min_padding".format(t5_type), min_padding)
            clip.set_tokenizer_option("{}_min_length".format(t5_type), min_length)

        return io.NodeOutput(clip)


class CondExtension(ComfyExtension):
    @override
    async def get_node_list(self) -> list[type[io.ComfyNode]]:
        return [
            CLIPTextEncodeControlnet,
            T5TokenizerOptions,
        ]


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