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20 changes: 20 additions & 0 deletions comfy_api_nodes/apis/tripo.py
Original file line number Diff line number Diff line change
Expand Up @@ -208,6 +208,10 @@ class TripoMultiviewToModelRequest(BaseModel):
quad: bool | None = Field(False, description="Whether to apply quad to the generated model")


class TripoTexturePrompt(BaseModel):
text: str | None = Field(None, description="Text guidance for texture generation")


class TripoTextureModelRequest(BaseModel):
type: TripoTaskType = Field(TripoTaskType.TEXTURE_MODEL, description="Type of task")
original_model_task_id: str = Field(..., description="The task ID of the original model")
Expand All @@ -219,6 +223,11 @@ class TripoTextureModelRequest(BaseModel):
texture_alignment: TripoTextureAlignment | None = Field(
TripoTextureAlignment.ORIGINAL_IMAGE, description="The texture alignment method"
)
texture_prompt: TripoTexturePrompt | None = Field(
None,
description="Optional guidance for texturing. Required in practice for imported models, "
"which carry no source image to infer texture from.",
)


class TripoRefineModelRequest(BaseModel):
Expand Down Expand Up @@ -307,6 +316,17 @@ class TripoP1MultiviewToModelRequest(TripoP1CommonRequest):
orientation: str | None = None


class TripoImportModelRequest(BaseModel):
"""Request for the comfy-api composite import endpoint (/proxy/tripo/v2/openapi/import).

The model file is uploaded to ComfyUI API storage first; the backend downloads it from
`url`, re-uploads it to Tripo's storage and creates the import_model task server-side.
"""

url: str = Field(..., description="ComfyUI API storage download URL of the model file")
format: str = Field(..., description='File format: "glb", "fbx", "obj" or "stl"')


class TripoTaskOutput(BaseModel):
model: str | None = Field(None, description="URL to the model")
base_model: str | None = Field(None, description="URL to the base model")
Expand Down
100 changes: 99 additions & 1 deletion comfy_api_nodes/nodes_tripo.py
Original file line number Diff line number Diff line change
@@ -1,13 +1,14 @@
from typing_extensions import override

from comfy_api.latest import IO, ComfyExtension, Input
from comfy_api.latest import IO, ComfyExtension, Input, Types
from comfy_api_nodes.apis.tripo import (
TripoAnimateRetargetRequest,
TripoAnimateRigRequest,
TripoConvertModelRequest,
TripoFileEmptyReference,
TripoFileReference,
TripoImageToModelRequest,
TripoImportModelRequest,
TripoModelVersion,
TripoMultiviewToModelRequest,
TripoOrientation,
Expand All @@ -21,13 +22,15 @@
TripoTaskType,
TripoTextToModelRequest,
TripoTextureModelRequest,
TripoTexturePrompt,
TripoUrlReference,
)
from comfy_api_nodes.util import (
ApiEndpoint,
download_url_to_file_3d,
poll_op,
sync_op,
upload_3d_model_to_comfyapi,
upload_images_to_comfyapi,
)

Expand Down Expand Up @@ -538,6 +541,14 @@ def define_schema(cls):
optional=True,
advanced=True,
),
IO.String.Input(
"texture_prompt",
default="",
multiline=True,
optional=True,
tooltip="Optional text guidance for texturing. Required in practice for imported "
"models (Tripo: Import Model), which carry no source image to infer colors from.",
),
],
outputs=[
IO.String.Output(display_name="model_file"), # for backward compatibility only
Expand Down Expand Up @@ -571,6 +582,7 @@ async def execute(
texture_seed: int | None = None,
texture_quality: str | None = None,
texture_alignment: str | None = None,
texture_prompt: str = "",
) -> IO.NodeOutput:
response = await sync_op(
cls,
Expand All @@ -583,6 +595,7 @@ async def execute(
texture_seed=texture_seed,
texture_quality=texture_quality,
texture_alignment=texture_alignment,
texture_prompt=TripoTexturePrompt(text=texture_prompt.strip()) if texture_prompt.strip() else None,
),
)
return await poll_until_finished(cls, response, average_duration=80)
Expand Down Expand Up @@ -915,6 +928,90 @@ async def execute(
return await poll_until_finished(cls, response, average_duration=30)


class TripoImportModelNode(IO.ComfyNode):
"""Imports an external 3D model into Tripo, producing a MODEL_TASK_ID for post-processing nodes."""

SUPPORTED_FORMATS = ("glb", "fbx", "obj", "stl")

@classmethod
def define_schema(cls):
return IO.Schema(
node_id="TripoImportModelNode",
display_name="Tripo: Import Model",
category="partner/3d/Tripo",
description="Import an external 3D model (e.g. from Rodin, Hunyuan3D or a local file) into Tripo "
"to use it with Tripo's post-processing nodes: Texture, Rig, Convert. "
"GLB is recommended: textures survive import only when embedded in the file. "
"Note that texturing an imported model requires a texture prompt.",
inputs=[
IO.MultiType.Input(
"model_3d",
types=[IO.File3DGLB, IO.File3DFBX, IO.File3DOBJ, IO.File3DSTL, IO.File3DAny],
tooltip="3D model to import (GLB / FBX / OBJ / STL, up to 150 MB). "
"OBJ and STL files carry no embedded textures.",
),
],
outputs=[
IO.Custom("MODEL_TASK_ID").Output(display_name="model task_id"),
],
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":"text","text":"Free"}""",
),
)

@classmethod
async def execute(cls, model_3d: Types.File3D) -> IO.NodeOutput:
file_format = (model_3d.format or "").lstrip(".").lower()
if file_format == "gltf":
raise ValueError(
"GLTF (.gltf) references external files and cannot be imported. Export a single-file GLB instead."
)
if file_format not in cls.SUPPORTED_FORMATS:
raise ValueError(
f"Unsupported 3D format '{file_format or 'unknown'}'. "
f"Tripo import supports: {', '.join(f.upper() for f in cls.SUPPORTED_FORMATS)}."
)
size = len(model_3d.get_bytes())
if size > 150 * 1024 * 1024:
raise ValueError(f"Model file is {size / (1024 * 1024):.1f} MB; Tripo import allows up to 150 MB.")

url = await upload_3d_model_to_comfyapi(cls, model_3d, file_format)
response = await sync_op(
cls,
endpoint=ApiEndpoint(path="/proxy/tripo/v2/openapi/import", method="POST"),
response_model=TripoTaskResponse,
data=TripoImportModelRequest(url=url, format=file_format),
)
if response.code != 0:
raise RuntimeError(f"Failed to import model: {response.error}")

task_id = response.data.task_id
response_poll = await poll_op(
cls,
poll_endpoint=ApiEndpoint(path=f"/proxy/tripo/v2/openapi/task/{task_id}"),
response_model=TripoTaskResponse,
failed_statuses=[
TripoTaskStatus.FAILED,
TripoTaskStatus.CANCELLED,
TripoTaskStatus.UNKNOWN,
TripoTaskStatus.BANNED,
TripoTaskStatus.EXPIRED,
],
status_extractor=lambda x: x.data.status,
progress_extractor=lambda x: x.data.progress,
estimated_duration=10,
)
if response_poll.data.status != TripoTaskStatus.SUCCESS:
raise RuntimeError(f"Failed to import model: {response_poll}")
return IO.NodeOutput(task_id)


def _p1_price_expr(*, geometry_credits: int, textured_credits: int, detailed_credits: int) -> str:
return (
"("
Expand Down Expand Up @@ -1292,6 +1389,7 @@ async def get_node_list(self) -> list[type[IO.ComfyNode]]:
TripoP1TextToModelNode,
TripoP1ImageToModelNode,
TripoP1MultiviewToModelNode,
TripoImportModelNode,
TripoTextureNode,
TripoRefineNode,
TripoRigNode,
Expand Down
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