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How to use build_variables_mapping method in localstack

Best Python code snippet using localstack_python

integration.py

Source:integration.py

...123        pass124    def render_vtl(self, template, variables):125        return self.vtl.render_vtl(template, variables=variables)126    @staticmethod127    def build_variables_mapping(api_context: ApiInvocationContext):128        # TODO: make this (dict) an object so usages of "render_vtl" variables are defined129        return {130            "context": api_context.context or {},131            "stage_variables": api_context.stage_variables or {},132            "input": {133                "body": api_context.data_as_string(),134                "params": {135                    "path": api_context.path_params,136                    "querystring": api_context.query_params(),137                    "header": api_context.headers,138                },139            },140        }141class RequestTemplates(Templates):142    """143    Handles request template rendering144    """145    def render(self, api_context: ApiInvocationContext):146        LOG.info(147            "Method request body before transformations: %s", to_str(api_context.data_as_string())148        )149        request_templates = api_context.integration.get("requestTemplates", {})150        template = request_templates.get(APPLICATION_JSON, {})151        if not template:152            return api_context.data_as_string()153        variables = self.build_variables_mapping(api_context)154        result = self.render_vtl(template, variables=variables)155        LOG.info(f"Endpoint request body after transformations:\n{result}")156        return result157class ResponseTemplates(Templates):158    """159    Handles response template rendering160    """161    def render(self, api_context: ApiInvocationContext):162        response = api_context.response163        integration = api_context.integration164        # we set context data with the response content because later on we use context data as165        # the body field in the template. We need to improve this by using the right source166        # depending on the type of templates.167        api_context.data = response._content168        int_responses = integration.get("integrationResponses") or {}169        if not int_responses:170            return response._content171        entries = list(int_responses.keys())172        return_code = str(response.status_code)173        if return_code not in entries and len(entries) > 1:174            LOG.info("Found multiple integration response status codes: %s", entries)175            return response._content176        return_code = entries[0]177        response_templates = int_responses[return_code].get("responseTemplates", {})178        template = response_templates.get(APPLICATION_JSON, {})179        if not template:180            return response181        variables = self.build_variables_mapping(api_context)182        response._content = self.render_vtl(template, variables=variables)183        LOG.info("Endpoint response body after transformations:\n%s", response._content)...

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