render_script.py 文件源码

def render_POST(self, request):
        """
        Handle a request from the client.
        """
        script_env = {
            method: api_method(request, method)
            for method in request.sdata.api.fns
        }

        # Make get do auto-formatting for convenience, even though this
        # breaks if you try to use literal '{}' named arguments
        # @@@ reconsider whether this is at all a good idea
        def get_with_formatting(path, *args):
            return api_method(request, 'get')(path.format(*args))
        script_env['get'] = get_with_formatting

        script_env['re'] = re
        script_env['dumps'] = dumps
        script_env['defaultdict'] = defaultdict
        script_env['OrderedDict'] = OrderedDict

        buf = []
        def dummy_print(*args):
            if len(args) == 1 and (isinstance(args[0], list) or isinstance(args[0], dict)):
                buf.append(dumps(args[0], indent=4))
            else:
                buf.append(' '.join(map(str, args)))
        script_env['print'] = dummy_print

        def run_script(script):
            try:
                exec script in script_env
            except:
                exception_info = sys.exc_info()
                buf.extend(traceback.format_exception(*exception_info))
            request.sdata.log('got reply {}'.format(buf))
            request.sdata.add_to_push_queue('script', text=dumps(buf))

        script = request.args['script'][0]
        reactor.callInThread(run_script, script)