Method __init__

mypy/partially_defined.py:203–209

(self)

    """DefinedVariableTracker manages the state and scope for the UndefinedVariablesVisitor."""

    def __init__(self) -> None:
        # There's always at least one scope. Within each scope, there's at least one "global" BranchingStatement.
        self.scopes: list[Scope] = [Scope([BranchStatement()], ScopeType.Global)]
        # disable_branch_skip is used to disable skipping a branch due to a return/raise/etc. This is useful
        # in things like try/except/finally statements.
        self.disable_branch_skip = False
        self.in_finally = False

    def copy(self) -> DefinedVariableTracker:
        result = DefinedVariableTracker()