fixup! Respect PURE_PYTHON=0 environment variable

Author: perrinjerome

src/AccessControl/tests/testSecurityManager.py

@@ -17,6 +17,8 @@
 import os
 import unittest
 
+from ..Implementation import PURE_PYTHON
+
 
 _THREAD_ID = 123
 
@@ -251,8 +253,7 @@ def _getTargetClass(self):
         return SecurityManager
 
 
-@unittest.skipIf(int(os.environ.get('PURE_PYTHON', '0')),
-                 reason="Test expects C impl.")
+@unittest.skipIf(PURE_PYTHON, reason="Test expects C impl.")
 class C_SecurityManagerTests(SecurityManagerTestBase,
                              ISecurityManagerConformance,
                              unittest.TestCase):

src/AccessControl/tests/testZopeSecurityPolicy.py

@@ -27,6 +27,8 @@
 from AccessControl.SecurityManagement import SecurityContext
 from AccessControl.userfolder import UserFolder
 
+from ..Implementation import PURE_PYTHON
+
 
 user_roles = ('RoleOfUser',)
 eo_roles = ('RoleOfExecutableOwner',)
@@ -772,7 +774,7 @@ def test_suite():
         unittest.defaultTestLoader.loadTestsFromTestCase(Python_ZSPTests))
     suite.addTest(
         unittest.defaultTestLoader.loadTestsFromTestCase(Python_SMTests))
-    if not int(os.environ.get('PURE_PYTHON', '0')):
+    if not PURE_PYTHON:
         suite.addTest(
             unittest.defaultTestLoader.loadTestsFromTestCase(C_ZSPTests))
         suite.addTest(