Add LooseVersion for case with unavailable packaging (#957)

Author: Pahandrovich

.circleci/deselect_tests.py

@@ -19,7 +19,10 @@
 import argparse
 import os.path
 from yaml import FullLoader, load as yaml_load
-from packaging.version import Version
+try:
+    from packaging.version import Version
+except ImportError:
+    from distutils.version import LooseVersion as Version
 import sklearn
 from sklearn import __version__ as sklearn_version
 import warnings

daal4py/sklearn/_utils.py

@@ -19,7 +19,10 @@
 
 from daal4py import _get__daal_link_version__ as dv
 from sklearn import __version__ as sklearn_version
-from packaging.version import Version
+try:
+    from packaging.version import Version
+except ImportError:
+    from distutils.version import LooseVersion as Version
 import logging
 
 

daal4py/sklearn/ensemble/AdaBoostClassifier.py

@@ -26,7 +26,10 @@
 from .._utils import getFPType
 
 from sklearn import __version__ as sklearn_version
-from packaging.version import Version
+try:
+    from packaging.version import Version
+except ImportError:
+    from distutils.version import LooseVersion as Version
 
 
 class AdaBoostClassifier(BaseEstimator, ClassifierMixin):

daal4py/sklearn/svm/_svm_0_23.py

@@ -33,7 +33,10 @@
 from sklearn.utils.multiclass import _ovr_decision_function
 from sklearn.model_selection import StratifiedKFold
 
-from packaging.version import Version
+try:
+    from packaging.version import Version
+except ImportError:
+    from distutils.version import LooseVersion as Version
 from sklearn import __version__ as sklearn_version
 
 import daal4py

sklearnex/neighbors/knn_classification.py

@@ -15,7 +15,10 @@
 # limitations under the License.
 #===============================================================================
 
-from packaging.version import Version
+try:
+    from packaging.version import Version
+except ImportError:
+    from distutils.version import LooseVersion as Version
 from sklearn import __version__ as sklearn_version
 import warnings
 

sklearnex/neighbors/knn_unsupervised.py

@@ -15,7 +15,10 @@
 # limitations under the License.
 #===============================================================================
 
-from packaging.version import Version
+try:
+    from packaging.version import Version
+except ImportError:
+    from distutils.version import LooseVersion as Version
 from sklearn import __version__ as sklearn_version
 import warnings
 

sklearnex/svm/_common.py

@@ -16,7 +16,10 @@
 
 from abc import ABC
 import numpy as np
-from packaging.version import Version
+try:
+    from packaging.version import Version
+except ImportError:
+    from distutils.version import LooseVersion as Version
 
 from sklearn.model_selection import StratifiedKFold
 from sklearn.preprocessing import LabelEncoder

sklearnex/svm/nusvc.py

@@ -21,7 +21,10 @@
 from sklearn.utils.validation import _deprecate_positional_args
 from sklearn.exceptions import NotFittedError
 from sklearn import __version__ as sklearn_version
-from packaging.version import Version
+try:
+    from packaging.version import Version
+except ImportError:
+    from distutils.version import LooseVersion as Version
 
 from onedal.svm import NuSVC as onedal_NuSVC
 

sklearnex/svm/nusvr.py

@@ -21,7 +21,10 @@
 from sklearn.utils.validation import _deprecate_positional_args
 from sklearn import __version__ as sklearn_version
 
-from packaging.version import Version
+try:
+    from packaging.version import Version
+except ImportError:
+    from distutils.version import LooseVersion as Version
 from onedal.svm import NuSVR as onedal_NuSVR
 
 

sklearnex/svm/svc.py

@@ -21,7 +21,10 @@
 from sklearn.utils.validation import _deprecate_positional_args
 from sklearn.exceptions import NotFittedError
 from sklearn import __version__ as sklearn_version
-from packaging.version import Version
+try:
+    from packaging.version import Version
+except ImportError:
+    from distutils.version import LooseVersion as Version
 
 from onedal.svm import SVC as onedal_SVC