aws-cdk.aws-lambda
The CDK Construct Library for AWS::Lambda
Decision gist · record as of 2026-08-14
No—this is AWS CDK v1, which reached end-of-support on 2023-06-01 and receives no further updates. Install only if you are maintaining an existing v1 codebase. For new projects, use AWS CDK v2 instead. The package itself has low install friction and a permissive license, but the maintenance status makes it unsuitable for new development.AI-flagged interpretation of the facts on this page — verify before relying
Before you install
- Requires AWS CDK v1 core library and constructs package; AWS credentials and local filesystem access for asset bundling.
- Low install friction with a pure-Python wheel.
- However, this is AWS CDK v1, which reached end-of-support on 2023-06-01 and is no longer being updated—users should migrate to AWS CDK v2 instead.
License · maintenance · safety
Apache-2.0 (permissive) — Licensed under Apache-2.0 (permissive), allowing commercial use, modification, and distribution with minimal restrictions.
last release 2023-06-19 (1152 days) · last repo commit 2026-08-14 · 12,868 stars
0 known vulnerabilities (OSV.dev, 2026-08-14) · 172,663 downloads/mo, #10,329 on PyPI
Alternatives
Verify before relying
from aws_cdk import aws_lambda as lambda_
from aws_cdk import core as cdk
import os
fn = lambda_.Function(self, "MyFunction",
runtime=lambda_.Runtime.PYTHON_3_9,
handler="index.main",
code=lambda_.Code.from_asset(os.path.join(os.path.dirname(__file__), "lambda-handler"))
)- Whether v1 receives any critical security patches despite end-of-support status.
- Performance or compatibility implications of using v1 in new projects versus migrating to v2.
What it is and what it does
This package provides CDK constructs for defining AWS Lambda functions and layers as Python objects within infrastructure-as-code stacks. It abstracts Lambda configuration—runtime, handler, code source, IAM roles, timeouts, and resource-based policies—into a declarative API that generates CloudFormation templates during synthesis.
The package supports multiple code deployment patterns: inline code strings (up to 4 KiB), local filesystem assets (zipped and uploaded to S3), S3 bucket references, and Docker image builds. It integrates with other AWS CDK modules (IAM, CloudWatch, ECR, S3) to manage permissions, monitoring, and artifact storage. However, AWS CDK v1 reached end-of-support on 2023-06-01 and is no longer maintained; new projects should use AWS CDK v2 instead.
Use it for
- Define Lambda functions with code from local directories or S3, automatically packaging and uploading assets during stack synthesis.
- Configure Lambda execution roles and grant permissions to other AWS services or external principals using resource-based policies.
- Set function timeouts and integrate with CloudWatch to monitor execution duration and create alarms.
- Deploy Lambda functions from Docker images stored in ECR or built locally as CDK assets.
- Manage Lambda versions and layers for canary deployments or shared code across multiple functions.
Worth the install?
AI-flagged interpretation of the facts on this page. Verify before relying on it.
No—this is AWS CDK v1, which reached end-of-support on 2023-06-01 and receives no further updates.
Install only if you are maintaining an existing v1 codebase. For new projects, use AWS CDK v2 instead. The package itself has low install friction and a permissive license, but the maintenance status makes it unsuitable for new development.
Install
aws-cdk-aws-lambda on PyPI
Before you install
Low install friction with a pure-Python wheel. However, this is AWS CDK v1, which reached end-of-support on 2023-06-01 and is no longer being updated—users should migrate to AWS CDK v2 instead.
Requires AWS CDK v1 core library and constructs package; AWS credentials and local filesystem access for asset bundling.
License in practice
Licensed under Apache-2.0 (permissive), allowing commercial use, modification, and distribution with minimal restrictions.
Quickstart
from aws_cdk import aws_lambda as lambda_
from aws_cdk import core as cdk
import os
fn = lambda_.Function(self, "MyFunction",
runtime=lambda_.Runtime.PYTHON_3_9,
handler="index.main",
code=lambda_.Code.from_asset(os.path.join(os.path.dirname(__file__), "lambda-handler"))
)Verify before relying
- Whether v1 receives any critical security patches despite end-of-support status.
- Performance or compatibility implications of using v1 in new projects versus migrating to v2.
Package facts
| License | Apache-2.0 permissive |
| Python support | Supports the current Python release ~=3.7 |
| Install friction | Low. Pure-Python wheel |
| Runtime dependencies | 23 packagesaws-cdk.aws-applicationautoscalingaws-cdk.aws-cloudwatchaws-cdk.aws-codeguruprofileraws-cdk.aws-ec2aws-cdk.aws-ecr-assetsaws-cdk.aws-ecraws-cdk.aws-efsaws-cdk.aws-eventsaws-cdk.aws-iamaws-cdk.aws-kmsaws-cdk.aws-logsaws-cdk.aws-s3-assetsaws-cdk.aws-s3aws-cdk.aws-signeraws-cdk.aws-snsaws-cdk.aws-sqsaws-cdk.coreaws-cdk.cx-apiaws-cdk.region-infoconstructsjsiipublicationtypeguard |
| Maintenance | Actively maintained 1,152 days since the last release |
| Last repo commit | |
| First released | |
| Downloads | 172,663 / month, #10,329 on PyPI 30-day window, as of 2026-08-14 |
| Known vulnerabilities | None known OSV.dev, checked 2026-08-14 |
| Classifiers | Development Status :: 7 - InactiveFramework :: AWS CDKFramework :: AWS CDK :: 1Intended Audience :: DevelopersLicense :: OSI ApprovedOperating System :: OS IndependentProgramming Language :: JavaScriptProgramming Language :: Python :: 3 :: OnlyProgramming Language :: Python :: 3.10Programming Language :: Python :: 3.11Programming Language :: Python :: 3.7Programming Language :: Python :: 3.8Programming Language :: Python :: 3.9Typing :: Typed |
Evidence: aws_cdk.aws_lambda-1.204.0-py3-none-any.whl
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See also aws-cdk.aws-lambda-python-alpha · aws-cdk.aws-s3 · aws-cdk.aws-cloudwatch · aws-cdk.asset-awscli-v1 · kappa · aws-cdk.lambda-layer-kubectl-v35 · aws-cdk.aws-kms · aws-cdk.aws-iam · aws-cdk.core · datadog-cdk-constructs-v2