Enable support for Python 3.14 in OTX

.github/workflows/lib-lint-and-test.yaml

@@ -67,16 +67,18 @@ jobs:
         with:
           persist-credentials: false
 
-      - name: Set up Python
-        uses: actions/setup-python@e797f83bcb11b83ae66e0230d6156d7c80228e7c # v6.0.0
+      # TODO remove after switching to an official Datumaro release with pre-built wheels
+      - name: Installing Rust toolchain
+        uses: dtolnay/rust-toolchain@6d653acede28d24f02e3cd41383119e8b1b35921
         with:
-          python-version: "3.13"
+          toolchain: stable
 
-      - name: Install uv
-        uses: astral-sh/setup-uv@3259c6206f993105e3a61b142c2d97bf4b9ef83d # v7.1.0
+      - name: Install uv and set the Python version
+        uses: astral-sh/setup-uv@1e862dfacbd1d6d858c55d9b792c756523627244 # v7.1.4
         with:
           version: "0.9.7"
           enable-cache: false
+          python-version: "3.10" # Use the lowest supported Python version for linting/type-checking
 
       - name: Installing dependencies
         working-directory: library
@@ -112,24 +114,26 @@ jobs:
     strategy:
       fail-fast: false
       matrix:
-        python-version: ["3.10", "3.13"]
+        python-version: ["3.10", "3.14"]
     name: unit-tests-with-Python${{ matrix.python-version }}
     steps:
       - name: Checkout repository
         uses: actions/checkout@08c6903cd8c0fde910a37f88322edcfb5dd907a8 # v5.0.0
         with:
           persist-credentials: false
 
-      - name: Set up Python
-        uses: actions/setup-python@e797f83bcb11b83ae66e0230d6156d7c80228e7c # v6.0.0
+      # TODO remove after switching to an official Datumaro release with pre-built wheels
+      - name: Installing Rust toolchain
+        uses: dtolnay/rust-toolchain@6d653acede28d24f02e3cd41383119e8b1b35921
         with:
-          python-version: "3.13"
+          toolchain: stable
 
-      - name: Install uv
-        uses: astral-sh/setup-uv@3259c6206f993105e3a61b142c2d97bf4b9ef83d # v7.1.0
+      - name: Install uv and set the Python version
+        uses: astral-sh/setup-uv@1e862dfacbd1d6d858c55d9b792c756523627244 # v7.1.4
         with:
           version: "0.9.7"
           enable-cache: false
+          python-version: ${{ matrix.python-version }}
 
       - name: Installing dependencies
         working-directory: library
@@ -158,7 +162,7 @@ jobs:
     strategy:
       fail-fast: false
       matrix:
-        python-version: ["3.10", "3.13"]
+        python-version: ["3.10", "3.14"]
         include:
           - task: "multi_class_cls"
           - task: "multi_label_cls"
@@ -174,16 +178,18 @@ jobs:
         with:
           persist-credentials: false
 
-      - name: Set up Python
-        uses: actions/setup-python@e797f83bcb11b83ae66e0230d6156d7c80228e7c # v6.0.0
+      # TODO remove after switching to an official Datumaro release with pre-built wheels
+      - name: Installing Rust toolchain
+        uses: dtolnay/rust-toolchain@6d653acede28d24f02e3cd41383119e8b1b35921
         with:
-          python-version: ${{ matrix.python-version }}
+          toolchain: stable
 
-      - name: Install uv
-        uses: astral-sh/setup-uv@3259c6206f993105e3a61b142c2d97bf4b9ef83d # v7.1.0
+      - name: Install uv and set the Python version
+        uses: astral-sh/setup-uv@1e862dfacbd1d6d858c55d9b792c756523627244 # v7.1.4
         with:
           version: "0.9.7"
           enable-cache: false
+          python-version: ${{ matrix.python-version }}
 
       - name: Installing dependencies
         working-directory: library

library/pyproject.toml

@@ -24,14 +24,16 @@ classifiers = [
     "Programming Language :: Python :: 3.10",
     "Programming Language :: Python :: 3.11",
     "Programming Language :: Python :: 3.12",
+    "Programming Language :: Python :: 3.13",
+    "Programming Language :: Python :: 3.14",
 ]
 dependencies = [
-    "datumaro~=1.12.0",
+    "datumaro[experimental]",
     "omegaconf==2.3.0",
     "rich==14.0.0",
     "jsonargparse==4.35.0",
     "ftfy==6.3.1",
-    "regex==2024.11.6",
+    "regex==2025.11.3",
     "importlib_resources==6.5.2",
     "docstring_parser==0.16", # CLI help-formatter
     "rich_argparse==1.7.0", # CLI help-formatter
@@ -42,13 +44,14 @@ dependencies = [
     "torchmetrics==1.6.0",
     "pytorchcv==0.0.67",
     "timm==1.0.3",
-    "openvino==2025.3",
+    "openvino==2025.4",
     "openvino-model-api==0.3.0.4",
-    "onnx==1.19.1",
+    "onnx==1.20.0",
     "onnxconverter-common==1.16.0",
     "onnxscript",
     "nncf==2.18.0",
     "numpy>=2.0",
+    "pyyaml==6.0.3",
     "tensorboard==2.20.0",
     "tensorboardx==2.6.4"
 ]
@@ -148,6 +151,7 @@ torchvision = [
     { index = "torch-xpu", extra = "xpu"},
     { index = "torch-cuda", extra = "cuda"},
 ]
+datumaro = { git = "https://github.com/open-edge-platform/datumaro.git", branch = "develop" }
 
 [[tool.uv.index]]
 name = "torch-cpu"

library/src/otx/cli/utils/jsonargparse.py

@@ -8,7 +8,6 @@
 import ast
 import logging
 from contextlib import contextmanager
-from pathlib import Path
 from typing import Any, Iterator, TypeVar, Union
 
 import docstring_parser
@@ -116,6 +115,7 @@ def apply_config(self: ActionConfigFile, parser: ArgumentParser, cfg: Namespace,
     from jsonargparse._link_arguments import skip_apply_links
     from jsonargparse._loaders_dumpers import get_loader_exceptions, load_value
     from jsonargparse._optionals import get_config_read_mode
+    from jsonargparse._util import Path
 
     with _ActionSubCommands.not_single_subcommand(), previous_config_context(cfg), skip_apply_links():
         kwargs = {"env": False, "defaults": False, "_skip_check": True, "_fail_no_subcommand": False}
@@ -297,7 +297,7 @@ def get_defaults_with_overrides(self: ArgumentParser, skip_check: bool = False)
     from jsonargparse._namespace import recreate_branches
     from jsonargparse._parameter_resolvers import UnknownDefault
     from jsonargparse._typehints import ActionTypeHint
-    from jsonargparse._util import argument_error, change_to_path_dir
+    from jsonargparse._util import Path, argument_error, change_to_path_dir
 
     cfg = Namespace()
     for action in filter_default_actions(self._actions):

library/tests/unit/cli/utils/test_jsonargparse.py

@@ -3,7 +3,7 @@
 from __future__ import annotations
 
 from copy import deepcopy
-from unittest.mock import Mock
+from unittest.mock import Mock, patch
 
 import pytest
 from jsonargparse import ArgumentParser, Namespace
@@ -91,7 +91,10 @@ def fxt_configs() -> Namespace:
 )
 def test_apply_config_with_reset(fxt_configs: Namespace, reset: str | list[str]) -> None:
     cfg = deepcopy(fxt_configs)
-    with patch_update_configs():
+    with (
+        patch_update_configs(),
+        patch("jsonargparse.Path.__init__", return_value=None),
+    ):
         # test for reset
         overrides = Namespace(
             overrides=Namespace(
@@ -115,8 +118,6 @@ def test_apply_config_with_reset(fxt_configs: Namespace, reset: str | list[str])
 
         apply_config(None, mock_parser, cfg, "dest", "value")
 
-        assert str(cfg.dest[0]) == "value"
-
         # check values that should not to be changed
         assert cfg.data.train_subset.batch_size == fxt_configs.data.train_subset.batch_size
         assert cfg.data.train_subset.num_workers == fxt_configs.data.train_subset.num_workers
@@ -456,7 +457,7 @@ def test_get_configuration(tmp_path):
     # Call the get_configuration function
     config = get_configuration(config_file)
     assert "config" in config
-    assert config["config"] == [config_file]
+    assert str(config["config"][0]) == str(config_file)
     assert "engine" in config
     assert "data" in config
     assert config["data"]["task"] == "SEMANTIC_SEGMENTATION"

library/tests/unit/tools/test_auto_configurator.py

@@ -76,7 +76,7 @@ def test_load_default_config(self) -> None:
         assert len(default_config) > 0
         assert "config" in default_config
         assert len(default_config["config"]) > 0
-        assert default_config["config"][0] == target_config
+        assert str(default_config["config"][0]) == str(target_config)
 
         # OTX-Mobilenet-v2
         # new_config