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How to use cors_config_from_dict method in localstack

Best Python code snippet using localstack_python

lambda_api.py

Source:lambda_api.py

...1212        "Id": "LambdaFuncAccess-%s" % sid,1213        "Statement": [new_statement],1214    }1215    return policy1216def cors_config_from_dict(cors: Dict):1217    return {1218        "Cors": {1219            "AllowCredentials": cors.get("AllowCredentials", ["*"]),1220            "AllowHeaders": cors.get("AllowHeaders", ["*"]),1221            "AllowMethods": cors.get("AllowMethods", ["*"]),1222            "AllowOrigins": cors.get("AllowOrigins", ["*"]),1223            "ExposeHeaders": cors.get("ExposeHeaders", []),1224            "MaxAge": cors.get("MaxAge", 0),1225        }1226    }1227@app.route("%s/functions/<function>/policy" % API_PATH_ROOT, methods=["POST"])1228def add_permission(function):1229    arn = func_arn(function)1230    qualifier = request.args.get("Qualifier")1231    q_arn = func_qualifier(function, qualifier)1232    result = add_permission_policy_statement(function, arn, q_arn, qualifier=qualifier)1233    return result, 2011234def correct_error_response_for_url_config(response):1235    response_data = json.loads(response.data)1236    response_data.update({"Message": response_data.get("message")})1237    response.set_data(json.dumps(response_data))1238    return response1239@app.route("%s/functions/<function>/url" % API_PATH_ROOT_2, methods=["POST"])1240def create_url_config(function):1241    arn = func_arn(function)1242    qualifier = request.args.get("Qualifier")1243    q_arn = func_qualifier(function, qualifier)1244    lambda_backend = LambdaRegion.get()1245    function = lambda_backend.lambdas.get(arn)1246    if function is None:1247        response = error_response("Function does not exist", 404, "ResourceNotFoundException")1248        return correct_error_response_for_url_config(response)1249    if qualifier and not function.qualifier_exists(qualifier=qualifier):1250        return not_found_error()1251    arn = q_arn or arn1252    lambda_backend = LambdaRegion.get()1253    if arn in lambda_backend.url_configs:1254        return error_response(1255            f"Failed to create function url config for [functionArn = {arn}]. Error message:  FunctionUrlConfig exists for this Lambda function",1256            409,1257            "ResourceConflictException",1258        )1259    custom_id = md5(str(random()))1260    region = LambdaRegion.get_current_request_region()1261    url = f"http://{custom_id}.lambda-url.{region}.{LOCALHOST_HOSTNAME}:{config.EDGE_PORT_HTTP or config.EDGE_PORT}/"1262    # TODO: HTTPS support1263    data = json.loads(to_str(request.data))1264    url_config = {1265        "AuthType": data.get("AuthType"),1266        "FunctionArn": arn,1267        "FunctionUrl": url,1268        "CreationTime": timestamp(format=TIMESTAMP_FORMAT_MICROS),1269        "LastModifiedTime": timestamp(format=TIMESTAMP_FORMAT_MICROS),1270        "CustomId": custom_id,1271    }1272    if "Cors" in data:1273        url_config.update(cors_config_from_dict(data.get("Cors", {})))1274    lambda_backend.url_configs.update({arn: url_config})1275    response = url_config.copy()1276    response.pop("LastModifiedTime")1277    response.pop("CustomId")1278    return response, 2011279@app.route("%s/functions/<function>/url" % API_PATH_ROOT_2, methods=["GET"])1280def get_url_config(function):1281    # if there's a qualifier it *must* be an alias1282    qualifier = request.args.get("Qualifier")1283    arn = func_arn(function)1284    lambda_backend = LambdaRegion.get()1285    # function doesn't exist1286    fn = lambda_backend.lambdas.get(arn)1287    if not fn:1288        return correct_error_response_for_url_config(1289            error_response(1290                "The resource you requested does not exist.",1291                404,1292                error_type="ResourceNotFoundException",1293            )1294        )1295    # alias doesn't exist1296    if qualifier and not fn.aliases.get(qualifier):1297        return correct_error_response_for_url_config(1298            error_response(1299                "The resource you requested does not exist.",1300                404,1301                error_type="ResourceNotFoundException",1302            )1303        )1304    # function url doesn't exit1305    url_config = lambda_backend.url_configs.get(arn)1306    if not url_config:1307        return correct_error_response_for_url_config(1308            error_response(1309                "The resource you requested does not exist.",1310                404,1311                error_type="ResourceNotFoundException",1312            )1313        )1314    response = url_config.copy()1315    response.pop("CustomId")1316    return response1317@app.route("%s/functions/<function>/url" % API_PATH_ROOT_2, methods=["PUT"])1318def update_url_config(function):1319    arn = func_arn(function)1320    qualifier = request.args.get("Qualifier")1321    q_arn = func_qualifier(function, qualifier)1322    arn = q_arn or arn1323    lambda_backend = LambdaRegion.get()1324    prev_url_config = lambda_backend.url_configs.get(arn)1325    if prev_url_config is None:1326        return not_found_error()1327    data = json.loads(to_str(request.data))1328    new_url_config = {1329        "AuthType": data.get("AuthType"),1330        "LastModifiedTime": timestamp(format=TIMESTAMP_FORMAT_MICROS),1331    }1332    if "Cors" in data:1333        new_url_config.update(cors_config_from_dict(data.get("Cors", {})))1334    prev_url_config.update(new_url_config)1335    response = prev_url_config.copy()1336    response.pop("CustomId")1337    return response1338@app.route("%s/functions/<function>/url" % API_PATH_ROOT_2, methods=["DELETE"])1339def delete_url_config(function):1340    arn = func_arn(function)1341    qualifier = request.args.get("Qualifier")1342    q_arn = func_qualifier(function, qualifier)1343    arn = q_arn or arn1344    lambda_backend = LambdaRegion.get()1345    if arn not in lambda_backend.url_configs:1346        response = error_response("Function does not exist", 404, "ResourceNotFoundException")1347        return response...

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