Python ssl 模块，Purpose() 实例源码

我们从Python开源项目中，提取了以下2个代码示例，用于说明如何使用ssl.Purpose()。

项目：annotated-py-asyncio 作者：hhstore | 项目源码 | 文件源码

def _test_create_ssl_connection(self, httpd, create_connection,
                                    check_sockname=True):
        conn_fut = create_connection(ssl=test_utils.dummy_ssl_context())
        self._basetest_create_ssl_connection(conn_fut, check_sockname)

        # ssl.Purpose was introduced in Python 3.4
        if hasattr(ssl, 'Purpose'):
            def _dummy_ssl_create_context(purpose=ssl.Purpose.SERVER_AUTH, *,
                                          cafile=None, capath=None,
                                          cadata=None):
                """
                A ssl.create_default_context() replacement that doesn't enable
                cert validation.
                """
                self.assertEqual(purpose, ssl.Purpose.SERVER_AUTH)
                return test_utils.dummy_ssl_context()

            # With ssl=True, ssl.create_default_context() should be called
            with mock.patch('ssl.create_default_context',
                            side_effect=_dummy_ssl_create_context) as m:
                conn_fut = create_connection(ssl=True)
                self._basetest_create_ssl_connection(conn_fut, check_sockname)
                self.assertEqual(m.call_count, 1)

        # With the real ssl.create_default_context(), certificate
        # validation will fail
        with self.assertRaises(ssl.SSLError) as cm:
            conn_fut = create_connection(ssl=True)
            # Ignore the "SSL handshake failed" log in debug mode
            with test_utils.disable_logger():
                self._basetest_create_ssl_connection(conn_fut, check_sockname)

        self.assertEqual(cm.exception.reason, 'CERTIFICATE_VERIFY_FAILED')

项目：ouroboros 作者：pybee | 项目源码 | 文件源码

def _test_create_ssl_connection(self, httpd, create_connection,
                                    check_sockname=True, peername=None):
        conn_fut = create_connection(ssl=test_utils.dummy_ssl_context())
        self._basetest_create_ssl_connection(conn_fut, check_sockname,
                                             peername)

        # ssl.Purpose was introduced in Python 3.4
        if hasattr(ssl, 'Purpose'):
            def _dummy_ssl_create_context(purpose=ssl.Purpose.SERVER_AUTH, *,
                                          cafile=None, capath=None,
                                          cadata=None):
                """
                A ssl.create_default_context() replacement that doesn't enable
                cert validation.
                """
                self.assertEqual(purpose, ssl.Purpose.SERVER_AUTH)
                return test_utils.dummy_ssl_context()

            # With ssl=True, ssl.create_default_context() should be called
            with mock.patch('ssl.create_default_context',
                            side_effect=_dummy_ssl_create_context) as m:
                conn_fut = create_connection(ssl=True)
                self._basetest_create_ssl_connection(conn_fut, check_sockname,
                                                     peername)
                self.assertEqual(m.call_count, 1)

        # With the real ssl.create_default_context(), certificate
        # validation will fail
        with self.assertRaises(ssl.SSLError) as cm:
            conn_fut = create_connection(ssl=True)
            # Ignore the "SSL handshake failed" log in debug mode
            with test_utils.disable_logger():
                self._basetest_create_ssl_connection(conn_fut, check_sockname,
                                                     peername)

        self.assertEqual(cm.exception.reason, 'CERTIFICATE_VERIFY_FAILED')