test_declarations.py 文件源码

def _run_generated_code(self, code, globs, locs,
                            fails_under_py3k=True,
                           ):
        import warnings
        from zope.interface._compat import PYTHON3
        with warnings.catch_warnings(record=True) as log:
            warnings.resetwarnings()
            if not PYTHON3:
                exec(code, globs, locs)
                self.assertEqual(len(log), 0) # no longer warn
                return True
            else:
                try:
                    exec(code, globs, locs)
                except TypeError:
                    return False
                else:
                    if fails_under_py3k:
                        self.fail("Didn't raise TypeError")