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How to use _serialize_content_type method in localstack

Best Python code snippet using localstack_python

serialize.py

Source:serialize.py

...406            serialized['headers'] = partitioned['headers']407        self._serialize_payload(408            partitioned, parameters, serialized, shape, shape_members409        )410        self._serialize_content_type(serialized, shape, shape_members)411        host_prefix = self._expand_host_prefix(parameters, operation_model)412        if host_prefix is not None:413            serialized['host_prefix'] = host_prefix414        return serialized415    def _render_uri_template(self, uri_template, params):416        # We need to handle two cases::417        #418        # /{Bucket}/foo419        # /{Key+}/bar420        # A label ending with '+' is greedy.  There can only421        # be one greedy key.422        encoded_params = {}423        for template_param in re.findall(r'{(.*?)}', uri_template):424            if template_param.endswith('+'):425                encoded_params[template_param] = percent_encode(426                    params[template_param[:-1]], safe='/~'427                )428            else:429                encoded_params[template_param] = percent_encode(430                    params[template_param]431                )432        return uri_template.format(**encoded_params)433    def _serialize_payload(434        self, partitioned, parameters, serialized, shape, shape_members435    ):436        # partitioned - The user input params partitioned by location.437        # parameters - The user input params.438        # serialized - The final serialized request dict.439        # shape - Describes the expected input shape440        # shape_members - The members of the input struct shape441        payload_member = shape.serialization.get('payload')442        if self._has_streaming_payload(payload_member, shape_members):443            # If it's streaming, then the body is just the444            # value of the payload.445            body_payload = parameters.get(payload_member, b'')446            body_payload = self._encode_payload(body_payload)447            serialized['body'] = body_payload448        elif payload_member is not None:449            # If there's a payload member, we serialized that450            # member to they body.451            body_params = parameters.get(payload_member)452            if body_params is not None:453                serialized['body'] = self._serialize_body_params(454                    body_params, shape_members[payload_member]455                )456            else:457                serialized['body'] = self._serialize_empty_body()458        elif partitioned['body_kwargs']:459            serialized['body'] = self._serialize_body_params(460                partitioned['body_kwargs'], shape461            )462        elif self._requires_empty_body(shape):463            serialized['body'] = self._serialize_empty_body()464    def _serialize_empty_body(self):465        return b''466    def _serialize_content_type(self, serialized, shape, shape_members):467        """468        Some protocols require varied Content-Type headers469        depending on user input. This allows subclasses to apply470        this conditionally.471        """472        pass473    def _requires_empty_body(self, shape):474        """475        Some protocols require a specific body to represent an empty476        payload. This allows subclasses to apply this conditionally.477        """478        return False479    def _has_streaming_payload(self, payload, shape_members):480        """Determine if payload is streaming (a blob or string)."""481        return payload is not None and shape_members[payload].type_name in (482            'blob',483            'string',484        )485    def _encode_payload(self, body):486        if isinstance(body, str):487            return body.encode(self.DEFAULT_ENCODING)488        return body489    def _partition_parameters(490        self, partitioned, param_name, param_value, shape_members491    ):492        # This takes the user provided input parameter (``param``)493        # and figures out where they go in the request dict.494        # Some params are HTTP headers, some are used in the URI, some495        # are in the request body.  This method deals with this.496        member = shape_members[param_name]497        location = member.serialization.get('location')498        key_name = member.serialization.get('name', param_name)499        if location == 'uri':500            partitioned['uri_path_kwargs'][key_name] = param_value501        elif location == 'querystring':502            if isinstance(param_value, dict):503                partitioned['query_string_kwargs'].update(param_value)504            elif isinstance(param_value, bool):505                bool_str = str(param_value).lower()506                partitioned['query_string_kwargs'][key_name] = bool_str507            elif member.type_name == 'timestamp':508                timestamp_format = member.serialization.get(509                    'timestampFormat', self.QUERY_STRING_TIMESTAMP_FORMAT510                )511                timestamp = self._convert_timestamp_to_str(512                    param_value, timestamp_format513                )514                partitioned['query_string_kwargs'][key_name] = timestamp515            else:516                partitioned['query_string_kwargs'][key_name] = param_value517        elif location == 'header':518            shape = shape_members[param_name]519            if not param_value and shape.type_name == 'list':520                # Empty lists should not be set on the headers521                return522            value = self._convert_header_value(shape, param_value)523            partitioned['headers'][key_name] = str(value)524        elif location == 'headers':525            # 'headers' is a bit of an oddball.  The ``key_name``526            # is actually really a prefix for the header names:527            header_prefix = key_name528            # The value provided by the user is a dict so we'll be529            # creating multiple header key/val pairs.  The key530            # name to use for each header is the header_prefix (``key_name``)531            # plus the key provided by the user.532            self._do_serialize_header_map(533                header_prefix, partitioned['headers'], param_value534            )535        else:536            partitioned['body_kwargs'][param_name] = param_value537    def _do_serialize_header_map(self, header_prefix, headers, user_input):538        for key, val in user_input.items():539            full_key = header_prefix + key540            headers[full_key] = val541    def _serialize_body_params(self, params, shape):542        raise NotImplementedError('_serialize_body_params')543    def _convert_header_value(self, shape, value):544        if shape.type_name == 'timestamp':545            datetime_obj = parse_to_aware_datetime(value)546            timestamp = calendar.timegm(datetime_obj.utctimetuple())547            timestamp_format = shape.serialization.get(548                'timestampFormat', self.HEADER_TIMESTAMP_FORMAT549            )550            return self._convert_timestamp_to_str(timestamp, timestamp_format)551        elif shape.type_name == 'list':552            converted_value = [553                self._convert_header_value(shape.member, v)554                for v in value555                if v is not None556            ]557            return ",".join(converted_value)558        elif is_json_value_header(shape):559            # Serialize with no spaces after separators to save space in560            # the header.561            return self._get_base64(json.dumps(value, separators=(',', ':')))562        else:563            return value564class RestJSONSerializer(BaseRestSerializer, JSONSerializer):565    def _serialize_empty_body(self):566        return b'{}'567    def _requires_empty_body(self, shape):568        """569        Serialize an empty JSON object whenever the shape has570        members not targeting a location.571        """572        for member, val in shape.members.items():573            if 'location' not in val.serialization:574                return True575        return False576    def _serialize_content_type(self, serialized, shape, shape_members):577        """Set Content-Type to application/json for all structured bodies."""578        payload = shape.serialization.get('payload')579        if self._has_streaming_payload(payload, shape_members):580            # Don't apply content-type to streaming bodies581            return582        has_body = serialized['body'] != b''583        has_content_type = has_header('Content-Type', serialized['headers'])584        if has_body and not has_content_type:585            serialized['headers']['Content-Type'] = 'application/json'586    def _serialize_body_params(self, params, shape):587        serialized_body = self.MAP_TYPE()588        self._serialize(serialized_body, params, shape)589        return json.dumps(serialized_body).encode(self.DEFAULT_ENCODING)590class RestXMLSerializer(BaseRestSerializer):...

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