test_windows.py 文件源码

python
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项目:respeaker_virtualenv 作者: respeaker 项目源码 文件源码
def test_handles_leak(self):
        # Call all Process methods and make sure no handles are left
        # open. This is here mainly to make sure functions using
        # OpenProcess() always call CloseHandle().
        def call(p, attr):
            attr = getattr(p, name, None)
            if attr is not None and callable(attr):
                attr()
            else:
                attr

        p = psutil.Process(self.pid)
        failures = []
        for name in dir(psutil.Process):
            if name.startswith('_') \
                    or name in ('terminate', 'kill', 'suspend', 'resume',
                                'nice', 'send_signal', 'wait', 'children',
                                'as_dict'):
                continue
            else:
                try:
                    call(p, name)
                    num1 = p.num_handles()
                    call(p, name)
                    num2 = p.num_handles()
                except (psutil.NoSuchProcess, psutil.AccessDenied):
                    pass
                else:
                    if num2 > num1:
                        fail = \
                            "failure while processing Process.%s method " \
                            "(before=%s, after=%s)" % (name, num1, num2)
                        failures.append(fail)
        if failures:
            self.fail('\n' + '\n'.join(failures))
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