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How to use get_handler_function_from_name method in localstack

Best Python code snippet using localstack_python

34072_lambda_api.py

Source:34072_lambda_api.py

...333def get_handler_file_from_name(handler_name, runtime=LAMBDA_RUNTIME_PYTHON27):334    # TODO: support Java Lambdas in the future335    file_ext = '.js' if runtime.startswith(LAMBDA_RUNTIME_NODEJS) else '.py'336    return '%s%s' % (handler_name.split('.')[0], file_ext)337def get_handler_function_from_name(handler_name, runtime=LAMBDA_RUNTIME_PYTHON27):338    # TODO: support Java Lambdas in the future339    return handler_name.split('.')[-1]340def error_response(msg, code=500, error_type='InternalFailure'):341    LOG.warning(msg)342    return aws_responses.flask_error_response(msg, code=code, error_type=error_type)343def run_lambda_executor(cmd, env_vars={}):344    process = run(cmd, async=True, stderr=subprocess.PIPE, outfile=subprocess.PIPE, env_vars=env_vars)345    return_code = process.wait()346    result = to_str(process.stdout.read())347    log_output = to_str(process.stderr.read())348    if return_code != 0:349        raise Exception('Lambda process returned error status code: %s. Output:\n%s' %350            (return_code, log_output))351    return result, log_output352def set_function_code(code, lambda_name):353    def generic_handler(event, context):354        raise Exception(('Unable to find executor for Lambda function "%s". ' +355            'Note that Node.js Lambdas currently require LAMBDA_EXECUTOR=docker') % lambda_name)356    lambda_handler = generic_handler357    lambda_cwd = None358    arn = func_arn(lambda_name)359    runtime = arn_to_lambda[arn].runtime360    handler_name = arn_to_lambda.get(arn).handler361    lambda_environment = arn_to_lambda.get(arn).envvars362    if not handler_name:363        handler_name = LAMBDA_DEFAULT_HANDLER364    handler_file = get_handler_file_from_name(handler_name, runtime=runtime)365    handler_function = get_handler_function_from_name(handler_name, runtime=runtime)366    if 'S3Bucket' in code:367        s3_client = aws_stack.connect_to_service('s3')368        bytes_io = BytesIO()369        try:370            s3_client.download_fileobj(code['S3Bucket'], code['S3Key'], bytes_io)371            zip_file_content = bytes_io.getvalue()372        except Exception as e:373            return error_response('Unable to fetch Lambda archive from S3: %s' % e, 404)374    elif 'ZipFile' in code:375        zip_file_content = code['ZipFile']376        zip_file_content = base64.b64decode(zip_file_content)377    else:378        return error_response('No valid Lambda archive specified.', 400)379    # save tmp file...

lambda_api.py

Source:lambda_api.py

...324def get_handler_file_from_name(handler_name, runtime=LAMBDA_RUNTIME_PYTHON27):325    # TODO: support Java Lambdas in the future326    file_ext = '.js' if runtime.startswith(LAMBDA_RUNTIME_NODEJS) else '.py'327    return '%s%s' % (handler_name.split('.')[0], file_ext)328def get_handler_function_from_name(handler_name, runtime=LAMBDA_RUNTIME_PYTHON27):329    # TODO: support Java Lambdas in the future330    return handler_name.split('.')[-1]331def error_response(msg, code=500, error_type='InternalFailure'):332    LOG.warning(msg)333    return aws_responses.flask_error_response(msg, code=code, error_type=error_type)334def run_lambda_executor(cmd, env_vars={}):335    process = run(cmd, async=True, stderr=subprocess.PIPE, outfile=subprocess.PIPE, env_vars=env_vars)336    return_code = process.wait()337    result = to_str(process.stdout.read())338    log_output = to_str(process.stderr.read())339    if return_code != 0:340        raise Exception('Lambda process returned error status code: %s. Output:\n%s' %341            (return_code, log_output))342    return result, log_output343def set_function_code(code, lambda_name):344    def generic_handler(event, context):345        raise Exception(('Unable to find executor for Lambda function "%s". ' +346            'Note that Node.js Lambdas currently require LAMBDA_EXECUTOR=docker') % lambda_name)347    lambda_handler = generic_handler348    lambda_cwd = None349    arn = func_arn(lambda_name)350    runtime = arn_to_lambda[arn].runtime351    handler_name = arn_to_lambda.get(arn).handler352    lambda_environment = arn_to_lambda.get(arn).envvars353    if not handler_name:354        handler_name = LAMBDA_DEFAULT_HANDLER355    handler_file = get_handler_file_from_name(handler_name, runtime=runtime)356    handler_function = get_handler_function_from_name(handler_name, runtime=runtime)357    if 'S3Bucket' in code:358        s3_client = aws_stack.connect_to_service('s3')359        bytes_io = BytesIO()360        try:361            s3_client.download_fileobj(code['S3Bucket'], code['S3Key'], bytes_io)362            zip_file_content = bytes_io.getvalue()363        except Exception as e:364            return error_response('Unable to fetch Lambda archive from S3: %s' % e, 404)365    elif 'ZipFile' in code:366        zip_file_content = code['ZipFile']367        zip_file_content = base64.b64decode(zip_file_content)368    else:369        return error_response('No valid Lambda archive specified.', 400)370    # save tmp file...

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