SST Python SDK

The Python SDK for SST lets you access linked resources in your Python Lambda functions.

Installation

pip install sst-sdk

Or with uv:

uv add sst-sdk

Migrating from the Git dependency

If you were previously installing the SDK from GitHub:

# Before
[project]
dependencies = ["sst"]

[tool.uv.sources]
sst = { git = "https://github.com/anomalyco/sst", subdirectory = "sdk/python" }

Update your pyproject.toml to use the PyPI package instead:

# After
[project]
dependencies = ["sst-sdk"]

That's it — remove the [tool.uv.sources] entry for sst and replace the dependency name. No code changes needed; from sst import Resource works the same way.

Usage

Use Resource to access any resource linked to your function in sst.config.ts:

from sst import Resource

# Access linked resources by name
bucket_name = Resource.MyBucket.name
table_name = Resource.MyTable.name

Resources are defined and linked in your sst.config.ts:

const bucket = new sst.aws.Bucket("MyBucket");

new sst.aws.Function("MyFunction", {
  handler: "handler.main",
  link: [bucket],
});

The SDK reads resource bindings from encrypted environment variables set by SST at deploy time. In sst dev, resources are available automatically through the local development bridge.

Supported Python Versions

Python 3.9+

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