Debug to support TritonServer

Signed-off-by: Jael Gu <mengjia.gu@zilliz.com>

test_onnx.py

@@ -57,7 +57,7 @@ for name in models:
     status = [name] + ['fail'] * 5
 
     try:
-        out1 = op.accelerate_model(data).detach().numpy()
+        out1 = op.model(data).detach().numpy()
         logger.info('OP LOADED.')
         status[1] = 'success'
     except Exception as e:

timm_image.py

@@ -45,6 +45,7 @@ log = logging.getLogger('timm_op')
 class Model:
     def __init__(self, model_name, device, num_classes):
         self.model = create_model(model_name, pretrained=True, num_classes=num_classes)
+        self.config = resolve_data_config({}, model=self.model)
         self.model.eval()
         self.model.to(device)
 
@@ -77,13 +78,12 @@ class TimmImage(NNOperator):
         self.device = device
         self.model_name = model_name
         if self.model_name:
-            self.accelerate_model = Model(
+            self.model = Model(
                 model_name=model_name,
                 device=self.device,
                 num_classes=num_classes
             )
-            self.model = self.accelerate_model.model
-            self.config = resolve_data_config({}, model=self.model)
+            self.config = self.model.config
             self.tfms = create_transform(**self.config)
             self.skip_tfms = skip_preprocess
         else:
@@ -102,7 +102,7 @@ class TimmImage(NNOperator):
             img_list.append(img)
         inputs = torch.stack(img_list)
         inputs = inputs.to(self.device)
-        features = self.accelerate_model(inputs)
+        features = self.model(inputs)
         if features.dim() == 4:
             global_pool = nn.AdaptiveAvgPool2d(1).to(self.device)
             features = global_pool(features)
@@ -113,6 +113,10 @@ class TimmImage(NNOperator):
             vecs = features.squeeze(0).detach().numpy()
         return vecs
 
+    @property
+    def _model(self):
+        return self.model.model
+
     @arg(1, to_image_color('RGB'))
     def convert_img(self, img: towhee._types.Image):
         img = PILImage.fromarray(img.astype('uint8'), 'RGB')
@@ -133,21 +137,21 @@ class TimmImage(NNOperator):
                 raise AttributeError(f'Invalid format {format}.')
         dummy_input = torch.rand((1,) + self.config['input_size'])
         if format == 'pytorch':
-            torch.save(self.model, path)
+            torch.save(self._model, path)
         elif format == 'torchscript':
             try:
                 try:
-                    jit_model = torch.jit.script(self.model)
+                    jit_model = torch.jit.script(self._model)
                 except Exception:
-                    jit_model = torch.jit.trace(self.model, dummy_input, strict=False)
+                    jit_model = torch.jit.trace(self._model, dummy_input, strict=False)
                 torch.jit.save(jit_model, path)
             except Exception as e:
                 log.error(f'Fail to save as torchscript: {e}.')
                 raise RuntimeError(f'Fail to save as torchscript: {e}.')
         elif format == 'onnx':
-            self.model.forward = self.model.forward_features
+            self._model.forward = self._model.forward_features
             try:
-                torch.onnx.export(self.model,
+                torch.onnx.export(self._model,
                                   dummy_input,
                                   path,
                                   input_names=['input_0'],