Index: Lib/test/test_site.py
===================================================================
--- Lib/test/test_site.py	(révision 80144)
+++ Lib/test/test_site.py	(copie de travail)
@@ -268,7 +268,13 @@
         parent = os.path.relpath(os.path.dirname(os.__file__))
         env = os.environ.copy()
         env['PYTHONPATH'] = parent
-        command = 'import os; print(os.__file__, os.__cached__)'
+        code = ('import os, sys',
+            # use ASCII to avoid locale issues with non-ASCII directories
+            'os_file = os.__file__.encode("ascii", "backslashreplace")',
+            'os_cached = os.__cached__.encode("ascii", "backslashreplace")',
+            r'text = os_file + b":" + os_cached + b"\n"',
+            'sys.stdout.buffer.write(text)')
+        command = '\n'.join(code)
         # First, prove that with -S (no 'import site'), the paths are
         # relative.
         proc = subprocess.Popen([sys.executable, '-S', '-c', command],
@@ -276,8 +282,9 @@
                                 stdout=subprocess.PIPE,
                                 stderr=subprocess.PIPE)
         stdout, stderr = proc.communicate()
+
         self.assertEqual(proc.returncode, 0)
-        os__file__, os__cached__ = stdout.split()
+        os__file__, os__cached__ = stdout.split(b':')
         self.assertFalse(os.path.isabs(os__file__))
         self.assertFalse(os.path.isabs(os__cached__))
         # Now, with 'import site', it works.
@@ -287,7 +294,7 @@
                                 stderr=subprocess.PIPE)
         stdout, stderr = proc.communicate()
         self.assertEqual(proc.returncode, 0)
-        os__file__, os__cached__ = stdout.split()
+        os__file__, os__cached__ = stdout.split(b':')
         self.assertTrue(os.path.isabs(os__file__))
         self.assertTrue(os.path.isabs(os__cached__))