How to use the fair.utility.get_request_params function in fair

def adapter(app, request):
    view_func = None
    views = app.api.url_map.get(request.path)

    for view, support_methods in views.items():
        if request.method in support_methods:
            view_func = view
            break

    if not hasattr(view_func, 'meta'):
        return Response('406 Current url not have Fair UI', status=406)

    try:
        # get request parameters
        params = get_request_params(request)
        params_proto = params.copy()

        # plugin
        for plugin in view_func.meta.plugins:
            plugin.before_request(view_func)
            for parameter in plugin.parameters:
                del params[parameter[0]]

        # structure parameters
        params = structure_params(view_func, params_proto, params)
        request.meta = view_func.meta
        response_content = view_func(**params)
        if isinstance(response_content, ResponseRaise):
            response_content = response_content.response()
    except ResponseRaise as response_raise:
        response_content = response_raise.response()

def api_adapter(self):
        view_func = None
        views = self.api.url_map.get(request.path)

        for view, support_methods in views.items():
            if request.method in support_methods:
                view_func = view
                break

        if not hasattr(view_func, 'meta'):
            return Response('406 Current url not have Fair UI', status=406)

        try:
            request.meta = view_func.meta
            # get request parameters
            params = get_request_params()
            params_proto = params.copy()

            # plugin
            for plugin in view_func.meta.plugins:
                plugin.before_request(view_func.meta, params)
                for parameter in plugin.parameters:
                    del params[parameter[0]]

            # structure parameters
            params = structure_params(view_func, params_proto, params)
            response_content = view_func(**params)
            if isinstance(response_content, ResponseRaise):
                response_content = response_content.response()
        except ResponseRaise as response_raise:
            response_content = response_raise.response()
        except Exception as e:

def __response(self, *args, **kwargs):
        try:
            # get request parameters
            self.params = get_request_params(request)
            self.params_proto = self.params.copy()

            if self.params.get('__fair') == 'doc':
                response_doc = None
                if self.method.meta.response:
                    response_doc = rst_to_html(self.method.meta.response.__doc__)
                return render_template('doc.html',
                                       title='DOC UI',
                                       api_uri=self.uri,
                                       method=request.method,
                                       meta=self.method.meta,
                                       api_title=text_to_html(self.method.meta.title),
                                       response_doc=response_doc,
                                       description=text_to_html(self.method.meta.description))

            # plugin

def __response(self, *args, **kwargs):
        try:
            # get request parameters
            self.params = get_request_params(request)
            self.params_proto = self.params.copy()

            if self.params.get('__fair') == 'doc':
                response_doc = None
                if self.method.element.response:
                    response_doc = rst_to_html(self.method.element.response.__doc__)
                return render_template('doc.html',
                                       title='DOC UI',
                                       api_uri=self.uri,
                                       method=request.method,
                                       element=self.method.element,
                                       api_title=text_to_html(self.method.element.title),
                                       response_doc=response_doc,
                                       description=text_to_html(self.method.element.description))

            # plugin