Class EvaluationContext

IPython/core/guarded_eval.py:385–411

@dataclass
class EvaluationContext:
    #: Local namespace
    locals: dict
    #: Global namespace
    globals: dict
    #: Evaluation policy identifier
    evaluation: EvaluationPolicyName = "forbidden"
    #: Whether the evaluation of code takes place inside of a subscript.
    #: Useful for evaluating ``:-1, 'col'`` in ``df[:-1, 'col']``.
    in_subscript: bool = False
    #: Auto import method
    auto_import: Callable[[Sequence[str]], ModuleType] | None = None
    #: Overrides for evaluation policy
    policy_overrides: dict = field(default_factory=dict)
    #: Transient local namespace used to store mocks
    transient_locals: dict = field(default_factory=dict)
    #: Transients of class level
    class_transients: dict | None = None
    #: Instance variable name used in the method definition
    instance_arg_name: str | None = None
    #: Currently associated value
    #: Useful for adding items to _Duck on annotated assignment
    current_value: ast.AST | None = None

    def replace(self, /, **changes):
        """Return a new copy of the context, with specified changes"""
        return dataclasses.replace(self, **changes)


class _IdentitySubscript: