Fix onnx installer

invokeai/backend/install/model_install_backend.py

@@ -12,6 +12,7 @@ from typing import List, Dict, Callable, Union, Set
 import requests
 from diffusers import DiffusionPipeline
 from diffusers import logging as dlogging
+import onnx
 from huggingface_hub import hf_hub_url, HfFolder, HfApi
 from omegaconf import OmegaConf
 from tqdm import tqdm
@@ -288,8 +289,10 @@ class ModelInstall(object):
 
         with TemporaryDirectory(dir=self.config.models_path) as staging:
             staging = Path(staging)
-            if "model_index.json" in files:
+            if "model_index.json" in files and "unet/model.onnx" not in files:
                 location = self._download_hf_pipeline(repo_id, staging)  # pipeline
+            elif "unet/model.onnx" in files:
+                location = self._download_hf_model(repo_id, files, staging)
             else:
                 for suffix in ["safetensors", "bin"]:
                     if f"pytorch_lora_weights.{suffix}" in files:
@@ -354,7 +357,7 @@ class ModelInstall(object):
             model_format=info.format,
         )
         legacy_conf = None
-        if info.model_type == ModelType.Main:
+        if info.model_type == ModelType.Main or info.model_type == ModelType.ONNX:
             attributes.update(
                 dict(
                     variant=info.variant_type,
@@ -419,8 +422,9 @@ class ModelInstall(object):
         location = staging / name
         paths = list()
         for filename in files:
+            filePath = Path(filename)
             p = hf_download_with_resume(
-                repo_id, model_dir=location, model_name=filename, access_token=self.access_token
+                repo_id, model_dir=location / filePath.parent, model_name=filePath.name, access_token=self.access_token, subfolder=filePath.parent
             )
             if p:
                 paths.append(p)
@@ -468,11 +472,12 @@ def hf_download_with_resume(
     model_name: str,
     model_dest: Path = None,
     access_token: str = None,
+    subfolder: str = None,
 ) -> Path:
     model_dest = model_dest or Path(os.path.join(model_dir, model_name))
     os.makedirs(model_dir, exist_ok=True)
 
-    url = hf_hub_url(repo_id, model_name)
+    url = hf_hub_url(repo_id, model_name, subfolder=subfolder)
 
     header = {"Authorization": f"Bearer {access_token}"} if access_token else {}
     open_mode = "wb"

invokeai/backend/model_management/model_probe.py

@@ -41,6 +41,7 @@ class ModelProbe(object):
     PROBES = {
         "diffusers": {},
         "checkpoint": {},
+        "onnx": {},
     }
 
     CLASS2TYPE = {
@@ -53,7 +54,7 @@ class ModelProbe(object):
     }
 
     @classmethod
-    def register_probe(cls, format: Literal["diffusers", "checkpoint"], model_type: ModelType, probe_class: ProbeBase):
+    def register_probe(cls, format: Literal["diffusers", "checkpoint", "onnx"], model_type: ModelType, probe_class: ProbeBase):
         cls.PROBES[format][model_type] = probe_class
 
     @classmethod
@@ -95,6 +96,7 @@ class ModelProbe(object):
                 if format_type == "diffusers"
                 else cls.get_model_type_from_checkpoint(model_path, model)
             )
+            format_type = 'onnx' if model_type == ModelType.ONNX else format_type
             probe_class = cls.PROBES[format_type].get(model_type)
             if not probe_class:
                 return None
@@ -168,6 +170,8 @@ class ModelProbe(object):
         if model:
             class_name = model.__class__.__name__
         else:
+            if (folder_path / 'unet/model.onnx').exists():
+                return ModelType.ONNX
             if (folder_path / "learned_embeds.bin").exists():
                 return ModelType.TextualInversion
 
@@ -460,6 +464,16 @@ class TextualInversionFolderProbe(FolderProbeBase):
         return TextualInversionCheckpointProbe(None, checkpoint=checkpoint).get_base_type()
 
 
+class ONNXFolderProbe(FolderProbeBase):
+    def get_format(self) -> str:
+        return "onnx"
+
+    def get_base_type(self) -> BaseModelType:
+        return BaseModelType.StableDiffusion1
+
+    def get_variant_type(self) -> ModelVariantType:
+        return ModelVariantType.Normal
+
 class ControlNetFolderProbe(FolderProbeBase):
     def get_base_type(self) -> BaseModelType:
         config_file = self.folder_path / "config.json"
@@ -497,3 +511,4 @@ ModelProbe.register_probe("checkpoint", ModelType.Vae, VaeCheckpointProbe)
 ModelProbe.register_probe("checkpoint", ModelType.Lora, LoRACheckpointProbe)
 ModelProbe.register_probe("checkpoint", ModelType.TextualInversion, TextualInversionCheckpointProbe)
 ModelProbe.register_probe("checkpoint", ModelType.ControlNet, ControlNetCheckpointProbe)
+ModelProbe.register_probe("onnx", ModelType.ONNX, ONNXFolderProbe)