# Runners

Runners are responsible to execute a list of commands in a set environment defined in the CI yaml file.

## List of runners

* Python - executes python commands in a virtual environment
* Docker - executes each job in a separate Docker container - unimplemented

## Import schema

TODO

## Runner API

Each runner has to support the following functions:

### Constructor(params, user_defaults)

* params: dict of runtime variables regarding the program itself
* user_defaults: raw data from the CI file's global dict, with