"""This module implements a dict-like store object used to persist Kedro sessions."""
from __future__ import annotations
import logging
from collections import UserDict
from typing import Any
[docs]
class BaseSessionStore(UserDict):
"""``BaseSessionStore`` is the base class for all session stores.
``BaseSessionStore`` is an ephemeral store implementation that doesn't
persist the session data.
"""
def __init__(self, path: str, session_id: str):
self._path = path
self._session_id = session_id
super().__init__(self.read())
@property
def _logger(self) -> logging.Logger:
return logging.getLogger(__name__)
def read(self) -> dict[str, Any]:
"""Read the data from the session store.
Returns:
A mapping containing the session store data.
"""
self._logger.debug(
"'read()' not implemented for '%s'. Assuming empty store.",
self.__class__.__name__,
)
return {}
def save(self) -> None:
"""Persist the session store"""
self._logger.debug(
"'save()' not implemented for '%s'. Skipping the step.",
self.__class__.__name__,
)
