Using packaging.version instead of distutils (#312)

Co-authored-by: Jay Qi <[email protected]>

Author: jayqi

setup.cfg

@@ -38,6 +38,7 @@ setup_requires =
 install_requires =
     decopatch
     makefun>=1.9.5
+    packaging
     # note: pytest, too :)
     functools32;python_version<'3.2'
     # note: do not use double quotes in these, this triggers a weird bug in PyCharm in debug mode only

src/pytest_cases/common_pytest_marks.py

@@ -5,7 +5,7 @@
 import itertools
 
 import warnings
-from distutils.version import LooseVersion
+from packaging.version import Version
 
 try:  # python 3.3+
     from inspect import signature
@@ -27,22 +27,22 @@
 from .common_mini_six import string_types
 
 
-PYTEST_VERSION = LooseVersion(pytest.__version__)
-PYTEST3_OR_GREATER = PYTEST_VERSION >= LooseVersion('3.0.0')
-PYTEST32_OR_GREATER = PYTEST_VERSION >= LooseVersion('3.2.0')
-PYTEST33_OR_GREATER = PYTEST_VERSION >= LooseVersion('3.3.0')
-PYTEST34_OR_GREATER = PYTEST_VERSION >= LooseVersion('3.4.0')
-PYTEST35_OR_GREATER = PYTEST_VERSION >= LooseVersion('3.5.0')
-PYTEST361_36X = LooseVersion('3.6.0') < PYTEST_VERSION < LooseVersion('3.7.0')
-PYTEST37_OR_GREATER = PYTEST_VERSION >= LooseVersion('3.7.0')
-PYTEST38_OR_GREATER = PYTEST_VERSION >= LooseVersion('3.8.0')
-PYTEST46_OR_GREATER = PYTEST_VERSION >= LooseVersion('4.6.0')
-PYTEST53_OR_GREATER = PYTEST_VERSION >= LooseVersion('5.3.0')
-PYTEST54_OR_GREATER = PYTEST_VERSION >= LooseVersion('5.4.0')
-PYTEST421_OR_GREATER = PYTEST_VERSION >= LooseVersion('4.2.1')
-PYTEST6_OR_GREATER = PYTEST_VERSION >= LooseVersion('6.0.0')
-PYTEST7_OR_GREATER = PYTEST_VERSION >= LooseVersion('7.0.0')
-PYTEST71_OR_GREATER = PYTEST_VERSION >= LooseVersion('7.1.0')
+PYTEST_VERSION = Version(pytest.__version__)
+PYTEST3_OR_GREATER = PYTEST_VERSION >= Version('3.0.0')
+PYTEST32_OR_GREATER = PYTEST_VERSION >= Version('3.2.0')
+PYTEST33_OR_GREATER = PYTEST_VERSION >= Version('3.3.0')
+PYTEST34_OR_GREATER = PYTEST_VERSION >= Version('3.4.0')
+PYTEST35_OR_GREATER = PYTEST_VERSION >= Version('3.5.0')
+PYTEST361_36X = Version('3.6.0') < PYTEST_VERSION < Version('3.7.0')
+PYTEST37_OR_GREATER = PYTEST_VERSION >= Version('3.7.0')
+PYTEST38_OR_GREATER = PYTEST_VERSION >= Version('3.8.0')
+PYTEST46_OR_GREATER = PYTEST_VERSION >= Version('4.6.0')
+PYTEST53_OR_GREATER = PYTEST_VERSION >= Version('5.3.0')
+PYTEST54_OR_GREATER = PYTEST_VERSION >= Version('5.4.0')
+PYTEST421_OR_GREATER = PYTEST_VERSION >= Version('4.2.1')
+PYTEST6_OR_GREATER = PYTEST_VERSION >= Version('6.0.0')
+PYTEST7_OR_GREATER = PYTEST_VERSION >= Version('7.0.0')
+PYTEST71_OR_GREATER = PYTEST_VERSION >= Version('7.1.0')
 
 
 def get_param_argnames_as_list(argnames):

src/pytest_cases/plugin.py

@@ -572,7 +572,7 @@ def _update_fixture_defs(self):
         all_fixture_defs = self.tree.get_all_fixture_defs(drop_fake_fixtures=False, try_to_sort=True)
 
         # # also sort all partitions (note that we cannot rely on the order in all_fixture_defs when scopes are same!)
-        # if LooseVersion(pytest.__version__) >= LooseVersion('3.5.0'):
+        # if Version(pytest.__version__) >= Version('3.5.0'):
         #     f_scope = get_pytest_function_scopeval()
         #     for p in self.partitions:
         #         def sort_by_scope2(fixture_name):  # noqa

tests/cases/issues/test_issue_242.py

@@ -1,5 +1,5 @@
 import pytest
-from distutils.version import LooseVersion
+from packaging.version import Version
 
 import sys
 
@@ -9,8 +9,8 @@
 from functools import partial
 
 
-PYTEST_VERSION = LooseVersion(pytest.__version__)
-PYTEST3_OR_GREATER = PYTEST_VERSION >= LooseVersion('3.0.0')
+PYTEST_VERSION = Version(pytest.__version__)
+PYTEST3_OR_GREATER = PYTEST_VERSION >= Version('3.0.0')
 PY3 = sys.version_info >= (3,)
 
 

tests/cases/issues/test_issue_246.py

@@ -1,10 +1,10 @@
-from distutils.version import LooseVersion
+from packaging.version import Version
 
 import pytest
 from pytest_cases import parametrize_with_cases
 
-PYTEST_VERSION = LooseVersion(pytest.__version__)
-PYTEST3_OR_GREATER = PYTEST_VERSION >= LooseVersion('3.0.0')
+PYTEST_VERSION = Version(pytest.__version__)
+PYTEST3_OR_GREATER = PYTEST_VERSION >= Version('3.0.0')
 
 if PYTEST3_OR_GREATER:
     @pytest.mark.foo