Python _request_ctx_stack.push方法代码示例

# 需要导入模块: from flask import _request_ctx_stack [as 别名]
# 或者: from flask._request_ctx_stack import push [as 别名]
def __exit__(self, exc_type, exc_value, tb):
        self.preserve_context = False

        # on exit we want to clean up earlier.  Normally the request context
        # stays preserved until the next request in the same thread comes
        # in.  See RequestGlobals.push() for the general behavior.
        top = _request_ctx_stack.top
        if top is not None and top.preserved:
            top.pop() 

# 需要导入模块: from flask import _request_ctx_stack [as 别名]
# 或者: from flask._request_ctx_stack import push [as 别名]
def session_transaction(self, *args, **kwargs):
        """When used in combination with a ``with`` statement this opens a
        session transaction.  This can be used to modify the session that
        the test client uses.  Once the ``with`` block is left the session is
        stored back.

        ::

            with client.session_transaction() as session:
                session['value'] = 42

        Internally this is implemented by going through a temporary test
        request context and since session handling could depend on
        request variables this function accepts the same arguments as
        :meth:`~flask.Flask.test_request_context` which are directly
        passed through.
        """
        if self.cookie_jar is None:
            raise RuntimeError('Session transactions only make sense '
                               'with cookies enabled.')
        app = self.application
        environ_overrides = kwargs.setdefault('environ_overrides', {})
        self.cookie_jar.inject_wsgi(environ_overrides)
        outer_reqctx = _request_ctx_stack.top
        with app.test_request_context(*args, **kwargs) as c:
            session_interface = app.session_interface
            sess = session_interface.open_session(app, c.request)
            if sess is None:
                raise RuntimeError('Session backend did not open a session. '
                                   'Check the configuration')

            # Since we have to open a new request context for the session
            # handling we want to make sure that we hide out own context
            # from the caller.  By pushing the original request context
            # (or None) on top of this and popping it we get exactly that
            # behavior.  It's important to not use the push and pop
            # methods of the actual request context object since that would
            # mean that cleanup handlers are called
            _request_ctx_stack.push(outer_reqctx)
            try:
                yield sess
            finally:
                _request_ctx_stack.pop()

            resp = app.response_class()
            if not session_interface.is_null_session(sess):
                session_interface.save_session(app, sess, resp)
            headers = resp.get_wsgi_headers(c.request.environ)
            self.cookie_jar.extract_wsgi(c.request.environ, headers) 

# 需要导入模块: from flask import _request_ctx_stack [as 别名]
# 或者: from flask._request_ctx_stack import push [as 别名]
def session_transaction(self, *args, **kwargs):
        """When used in combination with a ``with`` statement this opens a
        session transaction.  This can be used to modify the session that
        the test client uses.  Once the ``with`` block is left the session is
        stored back.

        ::

            with client.session_transaction() as session:
                session['value'] = 42

        Internally this is implemented by going through a temporary test
        request context and since session handling could depend on
        request variables this function accepts the same arguments as
        :meth:`~flask.Flask.test_request_context` which are directly
        passed through.
        """
        if self.cookie_jar is None:
            raise RuntimeError('Session transactions only make sense '
                               'with cookies enabled.')
        app = self.application
        environ_overrides = kwargs.setdefault('environ_overrides', {})
        self.cookie_jar.inject_wsgi(environ_overrides)
        outer_reqctx = _request_ctx_stack.top
        with app.test_request_context(*args, **kwargs) as c:
            sess = app.open_session(c.request)
            if sess is None:
                raise RuntimeError('Session backend did not open a session. '
                                   'Check the configuration')

            # Since we have to open a new request context for the session
            # handling we want to make sure that we hide out own context
            # from the caller.  By pushing the original request context
            # (or None) on top of this and popping it we get exactly that
            # behavior.  It's important to not use the push and pop
            # methods of the actual request context object since that would
            # mean that cleanup handlers are called
            _request_ctx_stack.push(outer_reqctx)
            try:
                yield sess
            finally:
                _request_ctx_stack.pop()

            resp = app.response_class()
            if not app.session_interface.is_null_session(sess):
                app.save_session(sess, resp)
            headers = resp.get_wsgi_headers(c.request.environ)
            self.cookie_jar.extract_wsgi(c.request.environ, headers) 

# 需要导入模块: from flask import _request_ctx_stack [as 别名]
# 或者: from flask._request_ctx_stack import push [as 别名]
def session_transaction(self, *args, **kwargs):
        """When used in combination with a with statement this opens a
        session transaction.  This can be used to modify the session that
        the test client uses.  Once the with block is left the session is
        stored back.

            with client.session_transaction() as session:
                session['value'] = 42

        Internally this is implemented by going through a temporary test
        request context and since session handling could depend on
        request variables this function accepts the same arguments as
        :meth:`~flask.Flask.test_request_context` which are directly
        passed through.
        """
        if self.cookie_jar is None:
            raise RuntimeError('Session transactions only make sense '
                               'with cookies enabled.')
        app = self.application
        environ_overrides = kwargs.setdefault('environ_overrides', {})
        self.cookie_jar.inject_wsgi(environ_overrides)
        outer_reqctx = _request_ctx_stack.top
        with app.test_request_context(*args, **kwargs) as c:
            sess = app.open_session(c.request)
            if sess is None:
                raise RuntimeError('Session backend did not open a session. '
                                   'Check the configuration')

            # Since we have to open a new request context for the session
            # handling we want to make sure that we hide out own context
            # from the caller.  By pushing the original request context
            # (or None) on top of this and popping it we get exactly that
            # behavior.  It's important to not use the push and pop
            # methods of the actual request context object since that would
            # mean that cleanup handlers are called
            _request_ctx_stack.push(outer_reqctx)
            try:
                yield sess
            finally:
                _request_ctx_stack.pop()

            resp = app.response_class()
            if not app.session_interface.is_null_session(sess):
                app.save_session(sess, resp)
            headers = resp.get_wsgi_headers(c.request.environ)
            self.cookie_jar.extract_wsgi(c.request.environ, headers)