Unitelabs SiLA Python Library

A Python library for creating SiLA 2 clients and servers. This flexible and unopinionated library gives you everything needed to create a SiLA 2 1.1 compliant Python application. It adheres to the SiLA 2 specification and is used by the UniteLabs CDK to enable rapid development of cloud-native SiLA Servers with a code-first approach.

Getting Started

Prerequisites

Ensure you have Python 3.9+ installed. You can install Python from python.org.

Quickstart

To get started quickly with your first connector, we recommend to use our UniteLabs CDK. Use Cookiecutter to create your project base on our Connector Factory starter template:

cookiecutter git@gitlab.com:unitelabs/cdk/connector-factory.git

Installation

Install the latest version of the library into your Python project:

pip install unitelabs-sila

Usage

Client

To start using the SiLA Python library as a client:

Import and configure your SiLA client instance:

import asyncio

from sila.client import Client, ClientConfig

async def main():
   client = Client(ClientConfig(hostname="localhost", port=50052, tls=False))
   await client.open()

   print(await client.get_server_name())
   print(await client.get_server_uuid())

   await client.close()

asyncio.run(main())

Run your server:
```
$ python your_script.py
```

Server

To start using the SiLA Python library as a server:

Import and configure your SiLA server instance:

import asyncio

from sila.server import Server
from your_project.features import your_feature

async def main():
    server = Server({"port": 50000})
    server.add_feature(your_feature)
    await server.start()

asyncio.run(main())

To implement a custom SiLA Feature, create a feature definition following the SiLA2 specification:

from sila.server import Feature, UnobservableCommand

your_feature = Feature(...)
your_method = UnobservableCommand(...)
your_method.add_to_feature(your_feature)

Run your server:
```
$ python your_script.py
```

Important: Without implementing the required SiLA Service Feature, your SiLA Server will not be fully compliant with the standard. For easier compliance, consider using the UniteLabs CDK, which handles this automatically.

Contribute

Submit and share your work!
https://hub.unitelabs.io

We encourage you to submit feature requests and bug reports through the GitLab issue system. Please include a clear description of the issue or feature you are proposing. If you have further questions, issues, or suggestions for improvement, don't hesitate to reach out to us at developers@unitelabs.io.

Join the conversation! Stay up to date with the latest developments by joining the Python channel in the SiLA Slack.

License

Distributed under the MIT License. See MIT license for more information.

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