from __future__ import annotations


class ScoutingError(Exception):
    pass


class SessionNotFoundError(ScoutingError):
    def __init__(self, session_id: str) -> None:
        super().__init__(f"session not found: {session_id}")
        self.session_id = session_id


class RowNotFoundError(ScoutingError):
    def __init__(self, session_id: str, row_id: str) -> None:
        super().__init__(f"row not found: {row_id} (session {session_id})")
        self.session_id = session_id
        self.row_id = row_id