src/dazzle_back/runtime/state_machine.py

Generated: 2026-03-30T04:38:48.367395+00:00

Commit: 615f1354a103

Language: python

Scope: dazzle_back

Purpose

State machine validation and transition handling for DNR Backend.

This module provides runtime validation for state machine transitions, including guard evaluation and error handling.

Key Exports

• TransitionError
• InvalidTransitionError
• GuardNotSatisfiedError
• TransitionValidationResult
• evaluate_guard_expr
• TransitionValidator
• validate_status_update
• success
• failure
• validate_transition

Dependencies

Imports

• __future__.annotations
• logging
• dataclasses.dataclass
• datetime.date
• datetime.datetime
• datetime.timedelta
• decimal.Decimal
• typing.TYPE_CHECKING
• typing.Any
• dazzle_back.specs.entity.StateMachineSpec
• dazzle_back.specs.entity.StateTransitionSpec
• uuid.UUID

Event Interactions

None detected.

Invariants and Assumptions

No invariants documented.

Tests

• tests/unit/test_state_machine_parsing.py
• tests/unit/test_state_machine_runtime.py
• tests/integration/test_runtime_e2e.py
• tests/integration/test_runtime_pipeline.py
• tests/unit/test_runtime_test_routes.py

Notes

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