Method warn_deprecated

mypy/checker.py:8408–8422

Warn if deprecated.

(self, node: Node | None, context: Context)

                self.warn_deprecated(node, context)

    def warn_deprecated(self, node: Node | None, context: Context) -> None:
        """Warn if deprecated."""
        if isinstance(node, Decorator):
            node = node.func
        if (
            isinstance(node, (FuncDef, OverloadedFuncDef, TypeInfo))
            and (deprecated := node.deprecated) is not None
            and not self.is_typeshed_stub
            and not any(
                node.fullname == p or node.fullname.startswith(f"{p}.")
                for p in self.options.deprecated_calls_exclude
            )
        ):
            warn = self.msg.note if self.options.report_deprecated_as_note else self.msg.fail
            warn(deprecated, context, code=codes.DEPRECATED)

    def new_unique_dummy_name(self, namespace: str) -> str:
        """Generate a name that is guaranteed to be unique for this TypeChecker instance."""