import linecache
from typing import Any


class BPythonLinecache(dict):
    """Replaces the cache dict in the standard-library linecache module,
    to also remember (in an unerasable way) bpython console input."""

    def __init__(
        self,
        bpython_history: None | (list[tuple[int, None, list[str], str]]) = None,
        *args,
        **kwargs,
    ) -> None:
        super().__init__(*args, **kwargs)
        self.bpython_history = bpython_history or []

    def is_bpython_filename(self, fname: Any) -> bool:
        return isinstance(fname, str) and fname.startswith("