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Golem Python API

Tests - Status Docs status PyPI - Status PyPI version GitHub license GitHub issues

What's Golem and yapapi?

Golem is a global, open-source, decentralized supercomputer that anyone can access. It connects individual machines to form a vast network which combines their resources and allows requestors to utilize its unique potential - which may be its combined computing power, storage, the geographical distribution or its censorship resistance.

Yapapi is the Python high-level API that allows developers to connect to their Golem nodes and manage their distributed, computational loads through Golem Network.

Golem application development

For a detailed introduction to using Golem and yapapi to run your tasks on Golem and a guide to Golem Network application development in general, please consult our handbook.

Installation

yapapi is available as a PyPI package.

You can install it through pip:

pip install yapapi

Or if your project uses poetry you can add it to your dependencies like this:

poetry add yapapi

API Reference

For a comprehensive API reference, please refer to our official readthedocs page.

Local setup for yapapi developers

Poetry

yapapi uses poetry to manage its dependencies and provide a runner for common tasks.

If you don't have poetry available on your system then follow its installation instructions before proceeding. Verify your installation by running:

poetry --version

Project dependencies

To install the project's dependencies run:

poetry install

By default, poetry looks for the required Python version on your PATH and creates a virtual environment for the project if there's none active (or already configured by Poetry).

All of the project's dependencies will be installed to that virtual environment.

Running goth integration tests

Prerequisites

If you'd like to run the yapapi integration test suite locally then you'll need to install an additional set of dependencies separately.

First, install the dependencies required to run goth.

Next, configure goth's GitHub API token.

Now, you can install goth and its additional python requirements:

poetry install -E integration-tests

Finally, generate goth's default assets:

poetry run poe goth-assets

Running the tests

Once you have the environment set up, to run all the integration tests, use:

poetry run poe goth-tests

See also

Environment variables

It's possible to set various elements of yagna configuration through environment variables. yapapi currently supports the following environment variables:

  • YAGNA_ACTIVITY_URL, URL to yagna activity API, e.g. http://localhost:7500/activity-api/v1
  • YAGNA_API_URL, base URL to yagna REST API, e.g. http://localhost:7500
  • YAGNA_APPKEY, yagna app key to be used, e.g. a70facb9501d4528a77f25574ab0f12b
  • YAGNA_MARKET_URL, URL to yagna market API, e.g. http://localhost:7500/market-api/v1
  • YAGNA_PAYMENT_NETWORK, Ethereum network name for yagna to use, e.g. rinkeby
  • YAGNA_PAYMENT_DRIVER, payment driver name for yagna to use, e.g. erc20
  • YAGNA_PAYMENT_URL, URL to yagna payment API, e.g. http://localhost:7500/payment-api/v1
  • YAGNA_SUBNET, name of the yagna sub network to be used, e.g. devnet-beta
  • YAPAPI_USE_GFTP_CLOSE, if set to a truthy value (e.g. "1", "Y", "True", "on") then yapapi will ask gftp to close files when there's no need to publish them any longer. This may greatly reduce the number of files kept open while yapapi is running but requires yagna 0.7.3 or newer, with older versions it will cause errors.