Address deprecation warnings with the usage of distuilts for LooseVersion

Author: hmaarrfk

setup.py

@@ -93,8 +93,8 @@ def set_builtin(name, value):
     platforms='any',
     provides=['vispy'],
     python_requires='>=3.6',
-    install_requires=['numpy', 'freetype-py', 'hsluv', 'kiwisolver'],
-    setup_requires=['numpy', 'cython', 'setuptools_scm', 'setuptools_scm_git_archive'],
+    install_requires=['numpy', 'freetype-py', 'hsluv', 'kiwisolver', 'packaging'],
+    setup_requires=['numpy', 'cython', 'setuptools_scm', 'setuptools_scm_git_archive', 'packaging'],
     extras_require={
         'ipython-static': ['ipython'],
         'pyglet': ['pyglet>=1.2'],

vispy/app/backends/_pyglet.py

@@ -6,7 +6,7 @@
 
 from __future__ import division
 
-from distutils.version import LooseVersion
+from packaging.version import Version
 from time import sleep
 
 from ..base import (BaseApplicationBackend, BaseCanvasBackend,
@@ -23,7 +23,7 @@
 try:
     import pyglet
     version = pyglet.version
-    if LooseVersion(version) < LooseVersion('1.2'):
+    if Version(version) < Version('1.2'):
         help_ = ('You can install the latest pyglet using:\n    '
                  'pip install http://pyglet.googlecode.com/archive/tip.zip')
         raise ImportError('Pyglet version too old (%s), need >= 1.2\n%s'

vispy/app/backends/_qt.py

@@ -26,7 +26,7 @@
 import sys
 import atexit
 import ctypes
-from distutils.version import LooseVersion
+from packaging.version import Version
 
 from ...util import logger
 from ..base import (BaseApplicationBackend, BaseCanvasBackend,
@@ -90,7 +90,7 @@ def _get_event_xy(ev):
     _check_imports('PyQt5')
     if not USE_EGL:
         from PyQt5.QtCore import QT_VERSION_STR
-        if LooseVersion(QT_VERSION_STR) >= '5.4.0':
+        if Version(QT_VERSION_STR) >= Version('5.4.0'):
             from PyQt5.QtWidgets import QOpenGLWidget as QGLWidget
             from PyQt5.QtGui import QSurfaceFormat as QGLFormat
             QT5_NEW_API = True
@@ -102,7 +102,7 @@ def _get_event_xy(ev):
     _check_imports('PyQt6')
     if not USE_EGL:
         from PyQt6.QtCore import QT_VERSION_STR
-        if LooseVersion(QT_VERSION_STR) >= '6.0.0':
+        if Version(QT_VERSION_STR) >= Version('6.0.0'):
             from PyQt6.QtOpenGLWidgets import QOpenGLWidget as QGLWidget
             from PyQt6.QtGui import QSurfaceFormat as QGLFormat
             PYQT6_API = True
@@ -114,7 +114,7 @@ def _get_event_xy(ev):
     _check_imports('PySide6')
     if not USE_EGL:
         from PySide6.QtCore import __version__ as QT_VERSION_STR
-        if LooseVersion(QT_VERSION_STR) >= '6.0.0':
+        if Version(QT_VERSION_STR) >= Version('6.0.0'):
             from PySide6.QtOpenGLWidgets import QOpenGLWidget as QGLWidget
             from PySide6.QtGui import QSurfaceFormat as QGLFormat
             PYSIDE6_API = True
@@ -126,7 +126,7 @@ def _get_event_xy(ev):
     _check_imports('PySide2')
     if not USE_EGL:
         from PySide2.QtCore import __version__ as QT_VERSION_STR
-        if LooseVersion(QT_VERSION_STR) >= '5.4.0':
+        if Version(QT_VERSION_STR) >= Version('5.4.0'):
             from PySide2.QtWidgets import QOpenGLWidget as QGLWidget
             from PySide2.QtGui import QSurfaceFormat as QGLFormat
             QT5_NEW_API = True

vispy/gloo/glir.py

@@ -362,7 +362,7 @@
 import re
 import json
 import weakref
-from distutils.version import LooseVersion
+from packaging.version import Version
 
 import numpy as np
 
@@ -850,7 +850,7 @@ def _gl_initialize(self):
             if not this_version:
                 logger.warning("OpenGL version could not be determined, which "
                                "might be a sign that OpenGL is not loaded correctly.")
-            elif LooseVersion(this_version) < '2.1':
+            elif Version(this_version) < Version('2.1'):
                 if os.getenv('VISPY_IGNORE_OLD_VERSION', '').lower() != 'true':
                     logger.warning('OpenGL version 2.1 or higher recommended, '
                                    'got %s. Some functionality may fail.'

vispy/testing/_testing.py

@@ -14,7 +14,7 @@
 import pytest
 import functools
 
-from distutils.version import LooseVersion
+from packaging.version import Version
 
 from ..util.check_environment import has_backend
 
@@ -251,7 +251,7 @@ def has_ipython(version='3.0'):
     except Exception:
         return False, "IPython library not found"
     else:
-        if LooseVersion(IPython.__version__) >= LooseVersion(version):
+        if Version(IPython.__version__) >= Version(version):
             return True, "IPython present"
         else:
             message = (
@@ -284,8 +284,7 @@ def _has_scipy(min_version):
     try:
         assert isinstance(min_version, str)
         import scipy  # noqa, analysis:ignore
-        from distutils.version import LooseVersion
-        this_version = LooseVersion(scipy.__version__)
+        this_version = Version(scipy.__version__)
         if this_version < min_version:
             return False
     except Exception:

vispy/util/check_environment.py

@@ -2,7 +2,7 @@
 # Copyright (c) Vispy Development Team. All Rights Reserved.
 # Distributed under the (new) BSD License. See LICENSE.txt for more info.
 import os
-from distutils.version import LooseVersion
+from packaging.version import Version
 
 from vispy.util import use_log_level
 
@@ -14,7 +14,7 @@ def has_matplotlib(version='1.2'):
     except Exception:
         has_mpl = False
     else:
-        if LooseVersion(matplotlib.__version__) >= LooseVersion(version):
+        if Version(matplotlib.__version__) >= Version(version):
             has_mpl = True
         else:
             has_mpl = False
@@ -27,8 +27,8 @@ def has_skimage(version='0.11'):
         import skimage
     except ImportError:
         return False
-    sk_version = LooseVersion(skimage.__version__)
-    return sk_version >= LooseVersion(version)
+    sk_version = Version(skimage.__version__)
+    return sk_version >= Version(version)
 
 
 def has_backend(backend, has=(), capable=(), out=()):