Coverage for src / loman / exception.py: 100%

1"""Exception classes for the loman computation engine.""" 

2 

3 

4class ComputationError(Exception): 

5 """Base exception for computation-related errors.""" 

6 

7 pass 

8 

9 

10class MapError(ComputationError): 

11 """Exception raised during map operations with partial results.""" 

12 

13 def __init__(self, message: str, results: list[object]) -> None: 

14 """Initialize MapError with message and partial results.""" 

15 super().__init__(message) 

16 self.results = results 

17 

18 

19class LoopDetectedError(ComputationError): 

20 """Exception raised when a dependency loop is detected.""" 

21 

22 pass 

23 

24 

25class NonExistentNodeError(ComputationError): 

26 """Exception raised when trying to access a non-existent node.""" 

27 

28 pass 

29 

30 

31class NodeAlreadyExistsError(ComputationError): 

32 """Exception raised when trying to create a node that already exists.""" 

33 

34 pass 

35 

36 

37class CannotInsertToPlaceholderNodeError(ComputationError): 

38 """Exception raised when trying to insert into a placeholder node.""" 

39 

40 pass 

41 

42 

43class InvalidBlockTypeError(TypeError, ComputationError): 

44 """Exception raised when a block is not callable or a Computation.""" 

45 

46 pass 

47 

48 

49class FittingError(ComputationError): 

50 """Exception raised when curve fitting exceeds error tolerance.""" 

51 

52 pass 

53 

54 

55class ValidationError(ComputationError): 

56 """Exception raised during computation validation.""" 

57 

58 pass 

59 

60 

61class SerializationError(ComputationError): 

62 """Exception raised during serialization/deserialization.""" 

63 

64 pass 

65 

66 

67# Backward compatibility aliases 

68MapException = MapError 

69LoopDetectedException = LoopDetectedError 

70NonExistentNodeException = NonExistentNodeError 

71NodeAlreadyExistsException = NodeAlreadyExistsError 

72CannotInsertToPlaceholderNodeException = CannotInsertToPlaceholderNodeError