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https://github.com/restatedev/sdk-python

Restate SDK for Python
https://github.com/restatedev/sdk-python

durable-execution python workflow

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Restate SDK for Python

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# Restate Python SDK

[Restate](https://restate.dev/) is a system for easily building resilient applications using *distributed durable async/await*. This repository contains the Restate SDK for writing services in **Python**.

## Community

* πŸ€—οΈ [Join our online community](https://discord.gg/skW3AZ6uGd) for help, sharing feedback and talking to the community.
* πŸ“– [Check out our documentation](https://docs.restate.dev) to get quickly started!
* πŸ“£ [Follow us on Twitter](https://twitter.com/restatedev) for staying up to date.
* πŸ™‹ [Create a GitHub issue](https://github.com/restatedev/sdk-typescript/issues) for requesting a new feature or reporting a problem.
* 🏠 [Visit our GitHub org](https://github.com/restatedev) for exploring other repositories.

## Using the SDK

**Prerequisites**:
- Python >= v3.10

To use this SDK, add the dependency to your project:

```shell
pip install restate_sdk
```

## Versions

The compatibility with Restate is described in the following table:

| Restate Server\sdk-python | < 0.6 | 0.6 - 0.7 | 0.8 - 0.9 | 0.10 - 0.17 |
|---------------------------|------------------|-----------|------------------|------------------|
| < 1.3 | βœ… | ❌ | ❌ | ❌ |
| 1.3 | βœ… | βœ… | βœ… (1) | βœ… (2) |
| 1.4 | βœ… | βœ… | βœ… | βœ… (2) |
| 1.5 | ⚠ (3) | βœ… | βœ… | βœ… |
| 1.6 | ⚠ (3) | βœ… | βœ… | βœ… |

(1) **Note** The new Service/Object/Workflow constructor fields and the decorator fields `inactivity_timeout`, `abort_timeout`, `journal_retention`, `idempotency_retention`, `ingress_private`, `workflow_retention` work only from Restate 1.4 onward. Check the in-code documentation for more details.

(1) **Note** The new Service/Object/Workflow constructor field and the decorator field `invocation_retry_policy` works only from Restate 1.4 onward. Check the in-code documentation for more details.

(3) **Warning** SDK versions < 0.6 are deprecated, and cannot be registered anymore. Check the [Restate 1.5 release notes](https://github.com/restatedev/restate/releases/tag/v1.5.0) for more info.

## Contributing

We’re excited if you join the Restate community and start contributing!
Whether it is feature requests, bug reports, ideas & feedback or PRs, we appreciate any and all contributions.
We know that your time is precious and, therefore, deeply value any effort to contribute!

### Local development

* Python 3
* PyEnv or VirtualEnv
* [just](https://github.com/casey/just)
* [Rust toolchain](https://rustup.rs/)

Set up your virtual environment using the tool of your choice, e.g. VirtualEnv:

```shell
python3 -m venv .venv
source .venv/bin/activate
```

Install the build tools:

```shell
pip install -r requirements.txt
```

Now build the Rust module and include opt-in additional dev dependencies:

```shell
maturin dev -E test,lint
```

You usually need to build the Rust module only once, but you might need to rebuild it on pulls.

For linting and testing:

```shell
just verify
```

## Releasing the package

Pull latest main:

```shell
git checkout main && git pull
```

**Update module version in `Cargo.toml` and run a local build to update the `Cargo.lock` too**, commit it. Then push tag, e.g.:

```
git tag -m "Release v0.1.0" v0.1.0
git push origin v0.1.0
```