__init__.py 文件源码

def emits_module_deprecation_warning(f):
    def new_f(self, *args, **kwargs):
        with catch_warnings() as log:
            f(self, *args, **kwargs)
            self.assert_true(log, 'expected deprecation warning')
            for entry in log:
                self.assert_in('Modules are deprecated', str(entry['message']))
    return update_wrapper(new_f, f)