Fix cached dir for timm & hugging-face

src/otx/__init__.py

@@ -5,8 +5,19 @@
 
 __version__ = "2.2.0rc0"
 
+import os
+from pathlib import Path
+
 from otx.core.types import *  # noqa: F403
 
+# Set the value of HF_HUB_CACHE to set the cache folder that stores the pretrained weights for timm and huggingface.
+# Refer: huggingface_hub/constants.py::HF_HUB_CACHE
+# Default, Pretrained weight is saved into ~/.cache/torch/hub/checkpoints
+os.environ["HF_HUB_CACHE"] = os.getenv(
+    "HF_HUB_CACHE",
+    str(Path.home() / ".cache" / "torch" / "hub" / "checkpoints"),
+)
+
 OTX_LOGO: str = """
 
  ██████╗  ████████╗ ██╗  ██╗

src/otx/algo/classification/backbones/timm.py

@@ -15,34 +15,15 @@
 import torch
 from torch import nn
 
-from otx.algo.utils.mmengine_utils import load_from_http
-
-PRETRAINED_ROOT = "https://github.com/rwightman/pytorch-image-models/releases/download/v0.1-effv2-weights/"
-pretrained_urls = {
-    "efficientnetv2_s_21k": PRETRAINED_ROOT + "tf_efficientnetv2_s_21k-6337ad01.pth",
-    "efficientnetv2_s_1k": PRETRAINED_ROOT + "tf_efficientnetv2_s_21ft1k-d7dafa41.pth",
-}
-
-TIMM_MODEL_NAME_DICT = {
-    "mobilenetv3_large_21k": "mobilenetv3_large_100_miil_in21k",
-    "mobilenetv3_large_1k": "mobilenetv3_large_100_miil",
-    "tresnet": "tresnet_m",
-    "efficientnetv2_s_21k": "tf_efficientnetv2_s.in21k",
-    "efficientnetv2_s_1k": "tf_efficientnetv2_s_in21ft1k",
-    "efficientnetv2_m_21k": "tf_efficientnetv2_m_in21k",
-    "efficientnetv2_m_1k": "tf_efficientnetv2_m_in21ft1k",
-    "efficientnetv2_b0": "tf_efficientnetv2_b0",
-}
-
 TimmModelType = Literal[
-    "mobilenetv3_large_21k",
-    "mobilenetv3_large_1k",
-    "tresnet",
-    "efficientnetv2_s_21k",
-    "efficientnetv2_s_1k",
-    "efficientnetv2_m_21k",
-    "efficientnetv2_m_1k",
-    "efficientnetv2_b0",
+    "mobilenetv3_large_100_miil_in21k",
+    "mobilenetv3_large_100_miil",
+    "tresnet_m",
+    "tf_efficientnetv2_s.in21k",
+    "tf_efficientnetv2_s.in21ft1k",
+    "tf_efficientnetv2_m.in21k",
+    "tf_efficientnetv2_m.in21ft1k",
+    "tf_efficientnetv2_b0",
 ]
 
 
@@ -60,14 +41,10 @@ def __init__(
         self.backbone = backbone
         self.pretrained: bool | dict = pretrained
         self.is_mobilenet = backbone.startswith("mobilenet")
-        if pretrained and self.backbone in pretrained_urls:
-            # This pretrained weight is saved into ~/.cache/torch/hub/checkpoints
-            # Otherwise, it is stored in ~/.cache/huggingface/hub. (timm defaults)
-            self.pretrained = load_from_http(filename=pretrained_urls[self.backbone])
 
         self.model = timm.create_model(
-            TIMM_MODEL_NAME_DICT[self.backbone],
-            pretrained=self.pretrained,
+            self.backbone,
+            pretrained=pretrained,
             num_classes=1000,
         )
 

src/otx/recipe/classification/h_label_cls/efficientnet_v2.yaml

@@ -1,7 +1,7 @@
 model:
   class_path: otx.algo.classification.timm_model.TimmModelForHLabelCls
   init_args:
-    backbone: efficientnetv2_s_21k
+    backbone: tf_efficientnetv2_s.in21k
 
     optimizer:
       class_path: torch.optim.SGD

src/otx/recipe/classification/multi_class_cls/efficientnet_v2.yaml

@@ -2,7 +2,7 @@ model:
   class_path: otx.algo.classification.timm_model.TimmModelForMulticlassCls
   init_args:
     label_info: 1000
-    backbone: efficientnetv2_s_21k
+    backbone: tf_efficientnetv2_s.in21k
 
     optimizer:
       class_path: torch.optim.SGD

src/otx/recipe/classification/multi_class_cls/semisl/efficientnet_v2_semisl.yaml

@@ -2,7 +2,7 @@ model:
   class_path: otx.algo.classification.timm_model.TimmModelForMulticlassCls
   init_args:
     label_info: 1000
-    backbone: efficientnetv2_s_21k
+    backbone: tf_efficientnetv2_s.in21k
     train_type: SEMI_SUPERVISED
 
     optimizer:

src/otx/recipe/classification/multi_label_cls/efficientnet_v2.yaml

@@ -2,7 +2,7 @@ model:
   class_path: otx.algo.classification.timm_model.TimmModelForMultilabelCls
   init_args:
     label_info: 1000
-    backbone: efficientnetv2_s_21k
+    backbone: tf_efficientnetv2_s.in21k
 
     optimizer:
       class_path: torch.optim.SGD

tests/unit/algo/classification/backbones/test_timm.py

@@ -1,16 +1,28 @@
 # Copyright (C) 2024 Intel Corporation
 # SPDX-License-Identifier: Apache-2.0
 
+import os
+import shutil
+from pathlib import Path
+
 import torch
 from otx.algo.classification.backbones.timm import TimmBackbone
 
 
 class TestOTXEfficientNetV2:
     def test_forward(self):
-        model = TimmBackbone(backbone="efficientnetv2_s_21k")
+        model = TimmBackbone(backbone="tf_efficientnetv2_s.in21k")
         assert model(torch.randn(1, 3, 244, 244))[0].shape == torch.Size([1, 1280, 8, 8])
 
     def test_get_config_optim(self):
-        model = TimmBackbone(backbone="efficientnetv2_s_21k")
+        model = TimmBackbone(backbone="tf_efficientnetv2_s.in21k")
         assert model.get_config_optim([0.01])[0]["lr"] == 0.01
         assert model.get_config_optim(0.01)[0]["lr"] == 0.01
+
+    def test_check_pretrained_weight_download(self):
+        target = Path(os.environ.get("HF_HUB_CACHE")) / "models--timm--tf_efficientnetv2_s.in21k"
+        if target.exists():
+            shutil.rmtree(target)
+        assert not target.exists()
+        TimmBackbone(backbone="tf_efficientnetv2_s.in21k", pretrained=True)
+        assert target.exists()

tests/unit/algo/classification/test_timm_model.py

@@ -21,7 +21,7 @@
 def fxt_multi_class_cls_model():
     return TimmModelForMulticlassCls(
         label_info=10,
-        backbone="efficientnetv2_s_21k",
+        backbone="tf_efficientnetv2_s.in21k",
     )
 
 
@@ -59,7 +59,7 @@ def test_predict_step(self, fxt_multi_class_cls_model, fxt_multiclass_cls_batch_
 def fxt_multi_label_cls_model():
     return TimmModelForMultilabelCls(
         label_info=10,
-        backbone="efficientnetv2_s_21k",
+        backbone="tf_efficientnetv2_s.in21k",
     )
 
 
@@ -97,7 +97,7 @@ def test_predict_step(self, fxt_multi_label_cls_model, fxt_multilabel_cls_batch_
 def fxt_h_label_cls_model(fxt_hlabel_cifar):
     return TimmModelForHLabelCls(
         label_info=fxt_hlabel_cifar,
-        backbone="efficientnetv2_s_21k",
+        backbone="tf_efficientnetv2_s.in21k",
     )