refactor: 📦 add model autodownload

nodes/deep_bump.py

@@ -2,13 +2,16 @@ import tempfile
 from pathlib import Path
 
 import numpy as np
+
+# torch must be imported prior to onnx for the CUDAProvider.
+import torch  # isort:skip
 import onnxruntime as ort
-import torch
 from PIL import Image
 
 from ..errors import ModelNotFound
 from ..log import mklog
 from ..utils import (
+    download_model,
     get_model_path,
     tensor2pil,
     tiles_infer,
@@ -23,7 +26,12 @@ log = mklog(__name__)
 
 # - COLOR to NORMALS
 def color_to_normals(
-    color_img, overlap, progress_callback, *, save_temp=False
+    color_img,
+    overlap,
+    progress_callback,
+    *,
+    save_temp=False,
+    auto_download=False,
 ):
     """Compute a normal map from the given color map.
 
@@ -67,7 +75,13 @@ def color_to_normals(
     log.debug("DeepBump Color → Normals : loading model")
     model = get_model_path("deepbump", "deepbump256.onnx")
     if not model or not model.exists():
-        raise ModelNotFound(f"deepbump ({model})")
+        if not auto_download:
+            raise ModelNotFound(f"deepbump ({model})")
+        log.debug("Downloading models...")
+        download_model(
+            "https://github.com/HugoTini/DeepBump/raw/master/deepbump256.onnx",
+            "deepbump",
+        )
 
     providers = [
         "TensorrtExecutionProvider",
@@ -351,6 +365,9 @@ class MTB_DeepBump:
                 ),
                 "normals_to_height_seamless": ("BOOLEAN", {"default": True}),
             },
+            "optional": {
+                "auto_download": ("BOOLEAN", {"default": True}),
+            },
         }
 
     RETURN_TYPES = ("IMAGE",)
@@ -366,6 +383,7 @@ class MTB_DeepBump:
         color_to_normals_overlap="SMALL",
         normals_to_curvature_blur_radius="SMALL",
         normals_to_height_seamless=True,
+        auto_download=False,
     ):
         images = tensor2pil(image)
         out_images = []
@@ -380,7 +398,10 @@ class MTB_DeepBump:
             # Apply processing
             if mode == "Color to Normals":
                 out_img = color_to_normals(
-                    in_img, color_to_normals_overlap, None
+                    in_img,
+                    color_to_normals_overlap,
+                    None,
+                    auto_download=auto_download,
                 )
             if mode == "Normals to Curvature":
                 out_img = normals_to_curvature(

nodes/graph_utils.py

@@ -758,7 +758,7 @@ class MTB_TensorOps:
 
     RETURN_TYPES = ("IMAGE",)
     FUNCTION = "apply"
-    CATEGORY = "tensor_ops"
+    CATEGORY = "mtb/tensor_ops"
 
     def apply(
         self,

utils.py

@@ -15,7 +15,9 @@ from enum import Enum
 from functools import reduce
 from pathlib import Path
 from typing import TypeVar
+from urllib.parse import urlparse
 
+import comfy.utils
 import folder_paths
 import numpy as np
 import numpy.typing as npt
@@ -858,6 +860,62 @@ def tiles_split(img, tile_size, stride_size):
 
 
 # region MODEL Utilities
+
+
+def download_model(model_url: str, destination: str):
+    if isinstance(model_url, list):
+        for url in model_url:
+            download_model(url, destination)
+        return
+
+    filename = Path(urlparse(model_url).path).name
+
+    if "drive.google.com" in model_url:
+        try:
+            import gdown
+        except ImportError:
+            log.info("Installing gdown")
+            subprocess.check_call(
+                [
+                    sys.executable,
+                    "-m",
+                    "pip",
+                    "install",
+                    "gdown",
+                ]
+            )
+            import gdown
+
+        if "/folders/" in model_url:
+            # download folder
+            try:
+                gdown.download_folder(
+                    model_url, output=destination, resume=True
+                )
+            except TypeError:
+                gdown.download_folder(model_url, output=destination)
+
+            return
+        # download from google drive
+        gdown.download(model_url, destination, quiet=False, resume=True)
+        return True
+    response = requests.get(model_url, stream=True)
+    total_size = int(response.headers.get("content-length", 0))
+
+    destination_path = get_model_path(destination, filename)
+    destination_path.parent.mkdir(exist_ok=True)
+
+    pbar = comfy.utils.ProgressBar(total_size)
+    with open(destination_path, "wb") as file:
+        for data in response.iter_content(chunk_size=4096):
+            file.write(data)
+            pbar.update(len(data))
+
+    log.info(
+        f"Downloaded model from {model_url} to {destination_path}",
+    )
+
+
 def download_antelopev2():
     antelopev2_url = (
         "https://drive.google.com/uc?id=18wEUfMNohBJ4K3Ly5wpTejPfDzp-8fI8"