Since distutils.version is deprecated, change it to packaging.version

 everywhere.

Signed-off-by: Jay Zhang <jiz@microsoft.com>

Author: fatcat-z

tests/keras2onnx_applications/nightly_build/test_acgan.py

@@ -10,7 +10,7 @@
 from os.path import dirname, abspath
 sys.path.insert(0, os.path.join(dirname(abspath(__file__)), '../../keras2onnx_tests/'))
 from test_utils import run_onnx_runtime
-from distutils.version import StrictVersion
+from packaging.version import Version
 
 Activation = keras.layers.Activation
 BatchNormalization = keras.layers.BatchNormalization
@@ -133,7 +133,7 @@ def tearDown(self):
         for fl in self.model_files:
             os.remove(fl)
 
-    @unittest.skipIf(StrictVersion(onnx.__version__) < StrictVersion("1.5.0"),
+    @unittest.skipIf(Version(onnx.__version__) < Version("1.5.0"),
                      "Not supported before onnx 1.5.0")
     def test_ACGAN(self):
         keras_model = ACGAN().combined

tests/keras2onnx_applications/nightly_build/test_mask_rcnn.py

@@ -21,7 +21,7 @@
 keras.backend.clear_session()
 sys.path.insert(0, os.path.join(dirname(abspath(__file__)), '../mask_rcnn/'))
 from mask_rcnn import model
-from distutils.version import StrictVersion
+from packaging.version import Version
 
 working_path = os.path.abspath(os.path.dirname(__file__))
 tmp_path = os.path.join(working_path, 'temp')
@@ -36,7 +36,7 @@ def tearDown(self):
         for fl in self.model_files:
             os.remove(fl)
 
-    @unittest.skipIf(StrictVersion(onnx.__version__.split('-')[0]) < StrictVersion("1.6.0"),
+    @unittest.skipIf(Version(onnx.__version__.split('-')[0]) < Version("1.6.0"),
                      "Mask-rcnn conversion needs contrib op for onnx < 1.6.0.")
     def test_mask_rcnn(self):
         set_converter('CropAndResize', convert_tf_crop_and_resize)

tests/keras2onnx_applications/nightly_build/test_unet.py

@@ -8,7 +8,7 @@
 from os.path import dirname, abspath
 from mock_keras2onnx.proto import keras, is_keras_older_than
 from onnxconverter_common.onnx_ex import get_maximum_opset_supported
-from distutils.version import StrictVersion
+from packaging.version import Version
 
 sys.path.insert(0, os.path.join(dirname(abspath(__file__)), '../../keras2onnx_tests/'))
 from test_utils import run_image
@@ -126,7 +126,7 @@ def test_unet_2(self):
         res = run_image(model, self.model_files, img_path, color_mode="grayscale", target_size=(img_rows, img_cols))
         self.assertTrue(*res)
 
-    @unittest.skipIf(StrictVersion(onnxruntime.__version__.split('-')[0]) < StrictVersion('1.7.0'),
+    @unittest.skipIf(Version(onnxruntime.__version__.split('-')[0]) < Version('1.7.0'),
                      "ConvTranspose stride > 1 is fixed in onnxruntime 1.7.0.")
     def test_unet_3(self):
         # From https://github.com/yu4u/noise2noise/blob/master/model.py

tests/keras2onnx_applications/nightly_build/test_unet_plus_plus.py

@@ -9,7 +9,7 @@
 from mock_keras2onnx.proto import keras, is_keras_older_than
 from keras.applications.vgg16 import VGG16
 from onnxconverter_common.onnx_ex import get_maximum_opset_supported
-from distutils.version import StrictVersion
+from packaging.version import Version
 
 sys.path.insert(0, os.path.join(dirname(abspath(__file__)), '../../keras2onnx_tests/'))
 from test_utils import run_image
@@ -102,7 +102,7 @@ def tearDown(self):
         for fl in self.model_files:
             os.remove(fl)
 
-    @unittest.skipIf(StrictVersion(onnxruntime.__version__.split('-')[0]) < StrictVersion('1.7.0'),
+    @unittest.skipIf(Version(onnxruntime.__version__.split('-')[0]) < Version('1.7.0'),
                      "ConvTranspose stride > 1 is fixed in onnxruntime 1.7.0.")
     def test_unet_plus_plus(self):
         backbone_name = 'vgg16'

tests/keras2onnx_applications/nightly_build/test_yolov3.py

@@ -13,7 +13,7 @@
 import urllib.request
 from yolov3 import YOLO, convert_model
 
-from distutils.version import StrictVersion
+from packaging.version import Version
 import mock_keras2onnx
 from test_utils import is_bloburl_access
 
@@ -45,7 +45,7 @@ def post_compute(self, all_boxes, all_scores, indices):
             out_boxes.append(all_boxes[idx_1])
         return [out_boxes, out_scores, out_classes]
 
-    @unittest.skipIf(StrictVersion(onnx.__version__.split('-')[0]) < StrictVersion("1.5.0"),
+    @unittest.skipIf(Version(onnx.__version__.split('-')[0]) < Version("1.5.0"),
                      "NonMaxSuppression op is not supported for onnx < 1.5.0.")
     @unittest.skipIf(not is_bloburl_access(YOLOV3_WEIGHTS_PATH) or not is_bloburl_access(YOLOV3_TINY_WEIGHTS_PATH),
                      "Model blob url can't access.")

tests/keras2onnx_unit_tests/mock_keras2onnx/proto/tfcompat.py

@@ -3,9 +3,9 @@
 import os
 import tensorflow as _tf
 
-from distutils.version import StrictVersion
+from packaging.version import Version
 
-is_tf2 = StrictVersion(_tf.__version__.split('-')[0]) >= StrictVersion('2.0.0')
+is_tf2 = Version(_tf.__version__.split('-')[0]) >= Version("2.0.0")
 
 
 def normalize_tensor_shape(tensor_shape):

tests/keras2onnx_unit_tests/test_cgan.py

@@ -6,7 +6,7 @@
 import numpy as np
 from mock_keras2onnx.proto import keras, is_tf_keras, is_tensorflow_older_than
 from tf2onnx.keras2onnx_api import convert_keras
-from distutils.version import StrictVersion
+from packaging.version import Version
 
 Activation = keras.layers.Activation
 BatchNormalization = keras.layers.BatchNormalization
@@ -116,7 +116,7 @@ def build_discriminator(self):
 
 
 @pytest.mark.skipif(mock_keras2onnx.proto.tfcompat.is_tf2 and is_tf_keras, reason="Tensorflow 1.x only tests.")
-@pytest.mark.skipif(is_tf_keras and StrictVersion(tf.__version__.split('-')[0]) < StrictVersion("1.14.0"),
+@pytest.mark.skipif(is_tf_keras and Version(tf.__version__.split('-')[0]) < Version("1.14.0"),
                     reason="Not supported before tensorflow 1.14.0 for tf_keras")
 @pytest.mark.skipif(mock_keras2onnx.proto.tfcompat.is_tf2 and is_tensorflow_older_than('2.2'),
                     reason="Variable freezing fails to replace ResourceGather op")

tests/keras2onnx_unit_tests/test_layers.py

@@ -1139,8 +1139,8 @@ def test_conv1d_padding(conv1_runner):
     test_causal = False
     if is_tf_keras:
         import tensorflow
-        from distutils.version import StrictVersion
-        if StrictVersion(tensorflow.__version__.split('-')[0]) >= StrictVersion('1.12.0'):
+        from packaging.version import Version
+        if Version(tensorflow.__version__.split('-')[0]) >= Version('1.12.0'):
             test_causal = True
     else:
         test_causal = True