Coverage for backend/idaes_service/solver/flowsheet_manager_type.py: 100%

1# Because there are a lot of things that reference the flowsheet manager, we 

2# get a circular dependency. 

3# But this is only a problem for the type hints. 

4# so instead, we will use this trick: 

5 

6from typing import TYPE_CHECKING 

7if TYPE_CHECKING: 

8 from .flowsheet_manager import FlowsheetManager 

9else: 

10 FlowsheetManager = "FlowsheetManager" 

11# This only imports the type if we are checking types. 

12# Then as long as we use the type hints as a forward reference, we are okay. 

13# https://peps.python.org/pep-0484/#forward-references 

14# e.g 

15# from .flowsheet_manager_type import FlowsheetManager 

16# def __init__(self, flowsheet_manager: "FlowsheetManager"): 

17# rather than 

18# from .flowsheet_manager import FlowsheetManager 

19# def __init__(self, flowsheet_manager: FlowsheetManager): 

20#