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fn_registry/python/functions/ml/comfyui_object_info.md
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- python/functions/browser/comfyui_export_workflow_ui.py
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Co-Authored-By: Claude Opus 4.7 (1M context) <noreply@anthropic.com>
2026-06-24 00:30:30 +02:00

3.0 KiB

name, kind, lang, domain, version, purity, signature, description, tags, uses_functions, uses_types, returns, returns_optional, error_type, imports, params, output, tested, tests, test_file_path, file_path
name kind lang domain version purity signature description tags uses_functions uses_types returns returns_optional error_type imports params output tested tests test_file_path file_path
comfyui_object_info function py ml 1.0.0 impure def comfyui_object_info(server: str = "127.0.0.1:8188", node_class: str | None = None, timeout: float = 30.0) -> dict Consulta el catalogo de nodos de un servidor ComfyUI via GET /object_info (o un nodo concreto con /object_info/{node_class}). Devuelve specs de inputs y valores enumerados (ej. lista de checkpoints visibles). Impura: HTTP GET, solo stdlib.
comfyui
ml
image-generation
stable-diffusion
introspection
http
false error_go_core
name desc
server host:port del servidor ComfyUI sin esquema (default '127.0.0.1:8188').
name desc
node_class Si se pasa, consulta solo ese class_type via /object_info/{node_class} (ej. 'CheckpointLoaderSimple'). None devuelve el catalogo completo.
name desc
timeout Timeout de la peticion HTTP en segundos.
dict del catalogo. Con node_class=None es {class_type: spec, ...} (cientos de nodos). Con node_class set, {class_type: spec} de un solo item. Cada spec tiene input.required/optional con tipos y enums; ej. info['CheckpointLoaderSimple']['input']['required']['ckpt_name'][0] es la lista de checkpoints. false
python/functions/ml/comfyui_object_info.py

Ejemplo

import sys, os
sys.path.insert(0, os.path.join(os.environ["HOME"], "fn_registry", "python", "functions"))
from ml.comfyui_object_info import comfyui_object_info

info = comfyui_object_info()                       # catalogo completo
print(len(info))                                   # ~792 nodos
ckpts = info["CheckpointLoaderSimple"]["input"]["required"]["ckpt_name"][0]
print(ckpts)                                       # ['v1-5-pruned-emaonly-fp16.safetensors']

ks = comfyui_object_info(node_class="KSampler")    # solo un nodo
print(list(ks.keys()))                             # ['KSampler']

O lanzable directo con: ./fn run comfyui_object_info (imprime n nodos + checkpoints visibles).

Cuando usarla

Antes de construir o enviar un workflow: descubre que checkpoints, samplers, schedulers y nodos existen en el servidor concreto. Usala para validar que el ckpt_name que vas a poner en comfyui_build_txt2img_workflow existe, o para explorar nodos disponibles (LoRA loaders, upscalers, ControlNet) antes de componer workflows mas ricos.

Gotchas

  • El catalogo completo es grande (cientos de nodos): preferir node_class si solo necesitas uno.
  • Los valores enumerados (checkpoints, vaes, loras) reflejan lo que el SERVIDOR ve en sus carpetas models/, no lo que hay en tu disco local. Si acabas de copiar un checkpoint, el servidor puede no haberlo escaneado hasta reiniciar o refrescar.
  • Lanza RuntimeError si ComfyUI no esta arriba (conexion rechazada) o responde con error. El catalogo solo esta disponible con el servidor corriendo.