Bump python-statemachine from 2.1.2 to 2.3.0

[dependabot[bot]]

Bumps python-statemachine from 2.1.2 to 2.3.0.

Release notes

Sourced from python-statemachine's releases.

v2.2.0

StateMachine 2.2.0

May 6, 2024

What's new in 2.2.0

In this release, we conducted a general cleanup and refactoring across various modules to enhance code readability and maintainability. We improved exception handling and reduced code redundancy.

As a result, we achieved a ~2.2x faster setup in our performance tests and significantly simplified the callback machinery.

Check of unreachable and non-final states

We included one more state machine definition validation for non-final states.

We already check if any states are unreachable from the initial state, if not, an InvalidDefinition exception is thrown.

>>> from statemachine import StateMachine, State
>>> class TrafficLightMachine(StateMachine):
...     "A workflow machine"
...     red = State('Red', initial=True, value=1)
...     green = State('Green', value=2)
...     orange = State('Orange', value=3)
...     hazard = State('Hazard', value=4)
...
...     cycle = red.to(green) | green.to(orange) | orange.to(red)
...     blink = hazard.to.itself()
Traceback (most recent call last):
...
InvalidDefinition: There are unreachable states. The statemachine graph should have a single component. Disconnected states: ['hazard']

From this release, StateMachine will also check that all non-final states have an outgoing transition, and warn you if any states would result in the statemachine becoming trapped in a non-final state with no further transitions possible.

This will currently issue a warning, but can be turned into an exception by setting `strict_states=True` on the class.

>>> from statemachine import StateMachine, State
>>> class TrafficLightMachine(StateMachine, strict_states=True):
...     "A workflow machine"
...     red = State('Red', initial=True, value=1)
...     green = State('Green', value=2)
...     orange = State('Orange', value=3)
</tr></table>

... (truncated)

Commits

• d011271 Merge branch 'release/2.3.0'
• 60221c3 chore: Bump version to 2.3.0
• c248a43 fix: Fix Python3.7 tests
• fe2fd15 docs: Update readme
• 2bc483c deps: Fix development dependencies declararion to allow python3.7+ usage
• c1818ad docs: Lib logo
• 661147f Update README.md to fix example (#441)
• 2dd1233 feat: Support for native coroutines (asyncio) (#435)
• 79546a5 chore: Example of issue #434
• 997211a fix: release action needs graphviz to run tests before publising
• Additional commits viewable in compare view

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[dependabot[bot]]

Superseded by #616.