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Cogment python SDK

Project description

cogment python SDK

⚠️ 🚧 This is part of an upcoming release of cogment and still unstable.

Current stable version can be found at https://gitlab.com/cogment/cogment

Latest final release Apache 2 License Changelog

Introduction

The Cogment framework is a high-efficiency, open source framework designed to enable the training of models in environments where humans and agents interact with the environment and each other continuously. It’s capable of distributed, multi-agent, multi-model training.

This is the python API for making use of the cogment framework when working with the Python programming language.

For further Cogment information, check out the documentation at https://docs.cogment.ai

Developers

Local setup

Make sure you have the following installed:

Install the dependencies, including downloading and building the cogment protobuf API, by navigating to the python SDK directory and run the following

poetry install

Define used Cogment protobuf API

The version of the used cogment protobuf API is defined in the .cogment-api.yaml file at the root of the repository. The following can be defined:

  • cogment_api_version: "latest", is the default, it retrieves the latest build of the cogment-api develop,
  • cogment_api_version: "vMAJOR.MINOR.PATCH[-PRERELEASE]", retrieves an official release of cogment-api.
  • cogment_api_path: "../path/to/cogment-api", retrieves a local version of cogment-api found at the given path ; if set, this overrides cogment_api_version.

⚠️ when building a docker image, cogment_api_path needs to exists in the docker file system. In practice it means it should be a subdirectory of the current directory.

Tests

To run them the first step is to configure the way to launch the orchestrator and the cli in a .env file.

You can copy .env.template for an example of what's expected.

Module tests

These tests only rely on the sdk, no connection to an orchestrator is done.

To execute the module tests, simply run

poetry run task test

Integration tests

These tests launch and use an orchestrator they are slower but more in depth.

Then, to execute the integration tests (as well as the module tests), simply run

poetry run task test --launch-orchestrator

These tests can also be launched in a docker image.

docker build \
  -t cogment/cogment-py-sdk-integration-test:latest \
  --build-arg COGMENT_IMAGE="<PATH_TO_COGMENT_IMAGE" \
  --build-arg COGMENT_ORCHESTRATOR_IMAGE="<PATH_TO_COGMENT_ORCHESTRATOR_IMAGE" \
  -f integration_test.dockerfile .
docker run --rm cogment/cogment-py-sdk-integration-test:latest

Lint

Run the linter using

poetry run task lint

Build the source package

Build the source package (this step will only be succesfull if poetry install succeeded)

poetry build -f sdist

Build a Docker image

Navigate to the python SDK directory and run the following in order to create an image that can be used by a cogment project:

docker build -t image_name .

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