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Hsm is a hierarchical state machines library designed for very large hand written state machines.

Project description

Hsm is a hierarchical state machines library designed for very large hand written state machines.

Hsm is designed to be concise, i.e. let the user read and write state machines very easily.

It defines a custom metaclass to support:
  • classes as states
  • on_xxx methods as event handler
  • automatically adds send_xxx when an on_xx handler is available
  • @initial_state to define the initial state of a non-leaf state
  • @error_state to define the error_state of a non-leaf state
  • @trace_state(logger) to set the trace logger for a state and all it’s children

Faster, simpler to write, easier to read the other python hsm frameworks.

Still pre-alpha, but usable. Great to play with hierarchical state machines. Check the hsm.test for documentation. More formal documentation available soon.

Cheers

Contributor List:
  • Fabio N. Filasieno
  • Enea Bionda

Project details


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