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XState for Python - work in progress!

fromxstateimportMachinelights=Machine(    {"id":"lights","initial":"green","states": {"green": {"on": {"TIMER":"yellow"},},"yellow": {"on": {"TIMER":"red"}},"red": {"on": {"TIMER":"green"}},        },    })state=lights.initial_state# state.value is greenstate=lights.transition(state,"TIMER")# state.value is yellowstate=lights.transition(state,"TIMER")# state.value is redstate=lights.transition(state,"TIMER")# state.value is green again

More advanced examples inthe "examples" folder

You can set up your development environment in two different ways.

Prerequisites

• VS Code IDE andRemote Containers extension

Steps

1. Open the folder in a container. This will setup your environment with python (including python and pylance extensions), dependencies and download scxml tests.
2. Runpoetry run pytest --cov to run the tests! 👩‍🔬 (or run theRun tests task via VS Code or using VS Code Test explorer where you can debug as well)

Prerequisites

• poetry for package and dependency management

Steps

1. Runpoetry install to create a virtual environment
2. Make sure test files are present and up to date by runninggit submodule update --init
3. Runpoetry run pytest --cov to run the tests! 👩‍🔬 (or run theRun tests task via VS Code or using VS Code Test explorer where you can debug as well)

SCXML tests are ran fromthe SCION Test Framework module.

• finite-state-machine
• Sismic for Python
• Miros
• Automat