codekingpro/portable-devtools

1"""Implementations of key-value stores and storage helpers.2 3Module provides implementations of various key-value stores that conform4to a simple key-value interface.5 6The primary goal of these storages is to support implementation of caching.7"""8 9from typing import TYPE_CHECKING, Any10 11from langchain_core.stores import (12    InMemoryByteStore,13    InMemoryStore,14    InvalidKeyException,15)16 17from langchain_classic._api import create_importer18from langchain_classic.storage._lc_store import create_kv_docstore, create_lc_store19from langchain_classic.storage.encoder_backed import EncoderBackedStore20from langchain_classic.storage.file_system import LocalFileStore21 22if TYPE_CHECKING:23    from langchain_community.storage import (24        RedisStore,25        UpstashRedisByteStore,26        UpstashRedisStore,27    )28 29# Create a way to dynamically look up deprecated imports.30# Used to consolidate logic for raising deprecation warnings and31# handling optional imports.32DEPRECATED_LOOKUP = {33    "RedisStore": "langchain_community.storage",34    "UpstashRedisByteStore": "langchain_community.storage",35    "UpstashRedisStore": "langchain_community.storage",36}37 38_import_attribute = create_importer(__package__, deprecated_lookups=DEPRECATED_LOOKUP)39 40 41def __getattr__(name: str) -> Any:42    """Look up attributes dynamically."""43    return _import_attribute(name)44 45 46__all__ = [47    "EncoderBackedStore",48    "InMemoryByteStore",49    "InMemoryStore",50    "InvalidKeyException",51    "LocalFileStore",52    "RedisStore",53    "UpstashRedisByteStore",54    "UpstashRedisStore",55    "create_kv_docstore",56    "create_lc_store",57]58