reqctx.py 文件源码

def test_greenlet_context_copying(self):
        app = flask.Flask(__name__)
        greenlets = []

        @app.route('/')
        def index():
            reqctx = flask._request_ctx_stack.top.copy()
            def g():
                self.assert_false(flask.request)
                self.assert_false(flask.current_app)
                with reqctx:
                    self.assert_true(flask.request)
                    self.assert_equal(flask.current_app, app)
                    self.assert_equal(flask.request.path, '/')
                    self.assert_equal(flask.request.args['foo'], 'bar')
                self.assert_false(flask.request)
                return 42
            greenlets.append(greenlet(g))
            return 'Hello World!'

        rv = app.test_client().get('/?foo=bar')
        self.assert_equal(rv.data, b'Hello World!')

        result = greenlets[0].run()
        self.assert_equal(result, 42)