test_platform.py 文件源码

def test_uname_win32_ARCHITEW6432(self):
        # Issue 7860: make sure we get architecture from the correct variable
        # on 64 bit Windows: if PROCESSOR_ARCHITEW6432 exists we should be
        # using it, per
        # http://blogs.msdn.com/david.wang/archive/2006/03/26/HOWTO-Detect-Process-Bitness.aspx
        try:
            with support.EnvironmentVarGuard() as environ:
                if 'PROCESSOR_ARCHITEW6432' in environ:
                    del environ['PROCESSOR_ARCHITEW6432']
                environ['PROCESSOR_ARCHITECTURE'] = 'foo'
                platform._uname_cache = None
                system, node, release, version, machine, processor = platform.uname()
                self.assertEqual(machine, 'foo')
                environ['PROCESSOR_ARCHITEW6432'] = 'bar'
                platform._uname_cache = None
                system, node, release, version, machine, processor = platform.uname()
                self.assertEqual(machine, 'bar')
        finally:
            platform._uname_cache = None