feat optimize storage configuration and environment variables

* add storage type compatibility validation table
* add enviroment variables check for storage
* modify storage init to get setting from confing.ini and env
This commit is contained in:
yangdx
2025-02-11 00:55:52 +08:00
parent d0779209d9
commit 56c1792767
9 changed files with 249 additions and 225 deletions

View File

@@ -26,7 +26,6 @@ import shutil
import aiofiles
from ascii_colors import trace_exception, ASCIIColors
import sys
import configparser
from fastapi import Depends, Security
from fastapi.security import APIKeyHeader
from fastapi.middleware.cors import CORSMiddleware
@@ -44,13 +43,40 @@ load_dotenv(override=True)
class RAGStorageConfig:
KV_STORAGE = "JsonKVStorage"
DOC_STATUS_STORAGE = "JsonDocStatusStorage"
GRAPH_STORAGE = "NetworkXStorage"
VECTOR_STORAGE = "NanoVectorDBStorage"
"""存储配置类,支持通过环境变量和命令行参数修改默认值"""
# 默认存储实现
DEFAULT_KV_STORAGE = "JsonKVStorage"
DEFAULT_DOC_STATUS_STORAGE = "JsonDocStatusStorage"
DEFAULT_GRAPH_STORAGE = "NetworkXStorage"
DEFAULT_VECTOR_STORAGE = "NanoVectorDBStorage"
def __init__(self):
# 从环境变量读取配置,如果没有则使用默认值
self.KV_STORAGE = os.getenv("LIGHTRAG_KV_STORAGE", self.DEFAULT_KV_STORAGE)
self.DOC_STATUS_STORAGE = os.getenv(
"LIGHTRAG_DOC_STATUS_STORAGE", self.DEFAULT_DOC_STATUS_STORAGE
)
self.GRAPH_STORAGE = os.getenv(
"LIGHTRAG_GRAPH_STORAGE", self.DEFAULT_GRAPH_STORAGE
)
self.VECTOR_STORAGE = os.getenv(
"LIGHTRAG_VECTOR_STORAGE", self.DEFAULT_VECTOR_STORAGE
)
def update_from_args(self, args):
"""从命令行参数更新配置"""
if hasattr(args, "kv_storage"):
self.KV_STORAGE = args.kv_storage
if hasattr(args, "doc_status_storage"):
self.DOC_STATUS_STORAGE = args.doc_status_storage
if hasattr(args, "graph_storage"):
self.GRAPH_STORAGE = args.graph_storage
if hasattr(args, "vector_storage"):
self.VECTOR_STORAGE = args.vector_storage
# Initialize rag storage config
# 初始化存储配置
rag_storage_config = RAGStorageConfig()
# Global progress tracker
@@ -81,60 +107,6 @@ def estimate_tokens(text: str) -> int:
return int(tokens)
# read config.ini
config = configparser.ConfigParser()
config.read("config.ini", "utf-8")
# Redis config
redis_uri = config.get("redis", "uri", fallback=None)
if redis_uri:
os.environ["REDIS_URI"] = redis_uri
rag_storage_config.KV_STORAGE = "RedisKVStorage"
rag_storage_config.DOC_STATUS_STORAGE = "RedisKVStorage"
# Neo4j config
neo4j_uri = config.get("neo4j", "uri", fallback=None)
neo4j_username = config.get("neo4j", "username", fallback=None)
neo4j_password = config.get("neo4j", "password", fallback=None)
if neo4j_uri:
os.environ["NEO4J_URI"] = neo4j_uri
os.environ["NEO4J_USERNAME"] = neo4j_username
os.environ["NEO4J_PASSWORD"] = neo4j_password
rag_storage_config.GRAPH_STORAGE = "Neo4JStorage"
# Milvus config
milvus_uri = config.get("milvus", "uri", fallback=None)
milvus_user = config.get("milvus", "user", fallback=None)
milvus_password = config.get("milvus", "password", fallback=None)
milvus_db_name = config.get("milvus", "db_name", fallback=None)
if milvus_uri:
os.environ["MILVUS_URI"] = milvus_uri
os.environ["MILVUS_USER"] = milvus_user
os.environ["MILVUS_PASSWORD"] = milvus_password
os.environ["MILVUS_DB_NAME"] = milvus_db_name
rag_storage_config.VECTOR_STORAGE = "MilvusVectorDBStorge"
# Qdrant config
qdrant_uri = config.get("qdrant", "uri", fallback=None)
qdrant_api_key = config.get("qdrant", "apikey", fallback=None)
if qdrant_uri:
os.environ["QDRANT_URL"] = qdrant_uri
if qdrant_api_key:
os.environ["QDRANT_API_KEY"] = qdrant_api_key
rag_storage_config.VECTOR_STORAGE = "QdrantVectorDBStorage"
# MongoDB config
mongo_uri = config.get("mongodb", "uri", fallback=None)
mongo_database = config.get("mongodb", "database", fallback="LightRAG")
mongo_graph = config.getboolean("mongodb", "graph", fallback=False)
if mongo_uri:
os.environ["MONGO_URI"] = mongo_uri
os.environ["MONGO_DATABASE"] = mongo_database
rag_storage_config.KV_STORAGE = "MongoKVStorage"
rag_storage_config.DOC_STATUS_STORAGE = "MongoKVStorage"
if mongo_graph:
rag_storage_config.GRAPH_STORAGE = "MongoGraphStorage"
def get_default_host(binding_type: str) -> str:
default_hosts = {
"ollama": os.getenv("LLM_BINDING_HOST", "http://localhost:11434"),
@@ -340,6 +312,27 @@ def parse_args() -> argparse.Namespace:
description="LightRAG FastAPI Server with separate working and input directories"
)
parser.add_argument(
"--kv-storage",
default=rag_storage_config.KV_STORAGE,
help=f"KV存储实现 (default: {rag_storage_config.KV_STORAGE})",
)
parser.add_argument(
"--doc-status-storage",
default=rag_storage_config.DOC_STATUS_STORAGE,
help=f"文档状态存储实现 (default: {rag_storage_config.DOC_STATUS_STORAGE})",
)
parser.add_argument(
"--graph-storage",
default=rag_storage_config.GRAPH_STORAGE,
help=f"图存储实现 (default: {rag_storage_config.GRAPH_STORAGE})",
)
parser.add_argument(
"--vector-storage",
default=rag_storage_config.VECTOR_STORAGE,
help=f"向量存储实现 (default: {rag_storage_config.VECTOR_STORAGE})",
)
# Bindings configuration
parser.add_argument(
"--llm-binding",
@@ -554,6 +547,8 @@ def parse_args() -> argparse.Namespace:
args = parser.parse_args()
rag_storage_config.update_from_args(args)
ollama_server_infos.LIGHTRAG_MODEL = args.simulated_model_name
return args

View File

@@ -47,7 +47,9 @@ class GremlinStorage(BaseGraphStorage):
# All vertices will have graph={GRAPH} property, so that we can
# have several logical graphs for one source
GRAPH = GremlinStorage._to_value_map(os.environ["GREMLIN_GRAPH"])
GRAPH = GremlinStorage._to_value_map(
os.environ.get("GREMLIN_GRAPH", "LightRAG")
)
self.graph_name = GRAPH

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@@ -5,14 +5,17 @@ from dataclasses import dataclass
import numpy as np
from lightrag.utils import logger
from ..base import BaseVectorStorage
import pipmaster as pm
import configparser
if not pm.is_installed("pymilvus"):
pm.install("pymilvus")
from pymilvus import MilvusClient
config = configparser.ConfigParser()
config.read("config.ini", "utf-8")
@dataclass
class MilvusVectorDBStorge(BaseVectorStorage):
@staticmethod
@@ -27,14 +30,11 @@ class MilvusVectorDBStorge(BaseVectorStorage):
def __post_init__(self):
self._client = MilvusClient(
uri=os.environ.get(
"MILVUS_URI",
os.path.join(self.global_config["working_dir"], "milvus_lite.db"),
),
user=os.environ.get("MILVUS_USER", ""),
password=os.environ.get("MILVUS_PASSWORD", ""),
token=os.environ.get("MILVUS_TOKEN", ""),
db_name=os.environ.get("MILVUS_DB_NAME", ""),
uri = os.environ.get("MILVUS_URI", config.get("milvus", "uri", fallback=os.path.join(self.global_config["working_dir"], "milvus_lite.db"))),
user = os.environ.get("MILVUS_USER", config.get("milvus", "user", fallback=None)),
password = os.environ.get("MILVUS_PASSWORD", config.get("milvus", "password", fallback=None)),
token = os.environ.get("MILVUS_TOKEN", config.get("milvus", "token", fallback=None)),
db_name = os.environ.get("MILVUS_DB_NAME", config.get("milvus", "db_name", fallback=None)),
)
self._max_batch_size = self.global_config["embedding_batch_num"]
MilvusVectorDBStorge.create_collection_if_not_exist(

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@@ -1,8 +1,8 @@
import os
from dataclasses import dataclass
import numpy as np
import pipmaster as pm
import configparser
from tqdm.asyncio import tqdm as tqdm_async
if not pm.is_installed("pymongo"):
@@ -12,22 +12,23 @@ if not pm.is_installed("motor"):
pm.install("motor")
from typing import Any, List, Tuple, Union
from motor.motor_asyncio import AsyncIOMotorClient
from pymongo import MongoClient
from ..base import BaseGraphStorage, BaseKVStorage
from ..namespace import NameSpace, is_namespace
from ..utils import logger
config = configparser.ConfigParser()
config.read("config.ini", "utf-8")
@dataclass
class MongoKVStorage(BaseKVStorage):
def __post_init__(self):
client = MongoClient(
os.environ.get("MONGO_URI", "mongodb://root:root@localhost:27017/")
os.environ.get("MONGO_URI", config.get("mongodb", "uri", fallback="mongodb://root:root@localhost:27017/"))
)
database = client.get_database(os.environ.get("MONGO_DATABASE", "LightRAG"))
database = client.get_database(os.environ.get("MONGO_DATABASE", mongo_database = config.get("mongodb", "database", fallback="LightRAG")))
self._data = database.get_collection(self.namespace)
logger.info(f"Use MongoDB as KV {self.namespace}")
@@ -90,10 +91,10 @@ class MongoGraphStorage(BaseGraphStorage):
embedding_func=embedding_func,
)
self.client = AsyncIOMotorClient(
os.environ.get("MONGO_URI", "mongodb://root:root@localhost:27017/")
os.environ.get("MONGO_URI", config.get("mongodb", "uri", fallback="mongodb://root:root@localhost:27017/"))
)
self.db = self.client[os.environ.get("MONGO_DATABASE", "LightRAG")]
self.collection = self.db[os.environ.get("MONGO_KG_COLLECTION", "MDB_KG")]
self.db = self.client[os.environ.get("MONGO_DATABASE", mongo_database = config.get("mongodb", "database", fallback="LightRAG"))]
self.collection = self.db[os.environ.get("MONGO_KG_COLLECTION", config.getboolean("mongodb", "kg_collection", fallback="MDB_KG"))]
#
# -------------------------------------------------------------------------

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@@ -5,6 +5,7 @@ import re
from dataclasses import dataclass
from typing import Any, Union, Tuple, List, Dict
import pipmaster as pm
import configparser
if not pm.is_installed("neo4j"):
pm.install("neo4j")
@@ -27,6 +28,9 @@ from ..utils import logger
from ..base import BaseGraphStorage
config = configparser.ConfigParser()
config.read("config.ini", "utf-8")
@dataclass
class Neo4JStorage(BaseGraphStorage):
@staticmethod
@@ -41,13 +45,15 @@ class Neo4JStorage(BaseGraphStorage):
)
self._driver = None
self._driver_lock = asyncio.Lock()
URI = os.environ["NEO4J_URI"]
USERNAME = os.environ["NEO4J_USERNAME"]
PASSWORD = os.environ["NEO4J_PASSWORD"]
MAX_CONNECTION_POOL_SIZE = os.environ.get("NEO4J_MAX_CONNECTION_POOL_SIZE", 800)
URI = os.environ["NEO4J_URI", config.get("neo4j", "uri", fallback=None)]
USERNAME = os.environ["NEO4J_USERNAME", config.get("neo4j", "username", fallback=None)]
PASSWORD = os.environ["NEO4J_PASSWORD", config.get("neo4j", "password", fallback=None)]
MAX_CONNECTION_POOL_SIZE = os.environ.get("NEO4J_MAX_CONNECTION_POOL_SIZE", config.get("neo4j", "connection_pool_size", fallback=800))
DATABASE = os.environ.get(
"NEO4J_DATABASE", re.sub(r"[^a-zA-Z0-9-]", "-", namespace)
)
self._driver: AsyncDriver = AsyncGraphDatabase.driver(
URI, auth=(USERNAME, PASSWORD)
)

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@@ -1,138 +0,0 @@
import asyncio
import sys
import os
import pipmaster as pm
if not pm.is_installed("psycopg-pool"):
pm.install("psycopg-pool")
pm.install("psycopg[binary,pool]")
if not pm.is_installed("asyncpg"):
pm.install("asyncpg")
import asyncpg
import psycopg
from psycopg_pool import AsyncConnectionPool
from ..kg.postgres_impl import PostgreSQLDB, PGGraphStorage
from ..namespace import NameSpace
DB = "rag"
USER = "rag"
PASSWORD = "rag"
HOST = "localhost"
PORT = "15432"
os.environ["AGE_GRAPH_NAME"] = "dickens"
if sys.platform.startswith("win"):
import asyncio.windows_events
asyncio.set_event_loop_policy(asyncio.WindowsSelectorEventLoopPolicy())
async def get_pool():
return await asyncpg.create_pool(
f"postgres://{USER}:{PASSWORD}@{HOST}:{PORT}/{DB}",
min_size=10,
max_size=10,
max_queries=5000,
max_inactive_connection_lifetime=300.0,
)
async def main1():
connection_string = (
f"dbname='{DB}' user='{USER}' password='{PASSWORD}' host='{HOST}' port={PORT}"
)
pool = AsyncConnectionPool(connection_string, open=False)
await pool.open()
try:
conn = await pool.getconn(timeout=10)
async with conn.cursor() as curs:
try:
await curs.execute('SET search_path = ag_catalog, "$user", public')
await curs.execute("SELECT create_graph('dickens-2')")
await conn.commit()
print("create_graph success")
except (
psycopg.errors.InvalidSchemaName,
psycopg.errors.UniqueViolation,
):
print("create_graph already exists")
await conn.rollback()
finally:
pass
db = PostgreSQLDB(
config={
"host": "localhost",
"port": 15432,
"user": "rag",
"password": "rag",
"database": "r1",
}
)
async def query_with_age():
await db.initdb()
graph = PGGraphStorage(
namespace=NameSpace.GRAPH_STORE_CHUNK_ENTITY_RELATION,
global_config={},
embedding_func=None,
)
graph.db = db
res = await graph.get_node('"A CHRISTMAS CAROL"')
print("Node is: ", res)
res = await graph.get_edge('"A CHRISTMAS CAROL"', "PROJECT GUTENBERG")
print("Edge is: ", res)
res = await graph.get_node_edges('"SCROOGE"')
print("Node Edges are: ", res)
async def create_edge_with_age():
await db.initdb()
graph = PGGraphStorage(
namespace=NameSpace.GRAPH_STORE_CHUNK_ENTITY_RELATION,
global_config={},
embedding_func=None,
)
graph.db = db
await graph.upsert_node('"THE CRATCHITS"', {"hello": "world"})
await graph.upsert_node('"THE GIRLS"', {"world": "hello"})
await graph.upsert_edge(
'"THE CRATCHITS"',
'"THE GIRLS"',
edge_data={
"weight": 7.0,
"description": '"The girls are part of the Cratchit family, contributing to their collective efforts and shared experiences.',
"keywords": '"family, collective effort"',
"source_id": "chunk-1d4b58de5429cd1261370c231c8673e8",
},
)
res = await graph.get_edge("THE CRATCHITS", '"THE GIRLS"')
print("Edge is: ", res)
async def main():
pool = await get_pool()
sql = r"SELECT * FROM ag_catalog.cypher('dickens', $$ MATCH (n:帅哥) RETURN n $$) AS (n ag_catalog.agtype)"
# cypher = "MATCH (n:how_are_you_doing) RETURN n"
async with pool.acquire() as conn:
try:
await conn.execute(
"""SET search_path = ag_catalog, "$user", public;select create_graph('dickens')"""
)
except asyncpg.exceptions.InvalidSchemaNameError:
print("create_graph already exists")
# stmt = await conn.prepare(sql)
row = await conn.fetch(sql)
print("row is: ", row)
row = await conn.fetchrow("select '100'::int + 200 as result")
print(row) # <Record result=300>
if __name__ == "__main__":
asyncio.run(query_with_age())

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@@ -5,11 +5,10 @@ from dataclasses import dataclass
import numpy as np
import hashlib
import uuid
from ..utils import logger
from ..base import BaseVectorStorage
import pipmaster as pm
import configparser
if not pm.is_installed("qdrant_client"):
pm.install("qdrant_client")
@@ -17,6 +16,9 @@ if not pm.is_installed("qdrant_client"):
from qdrant_client import QdrantClient, models
config = configparser.ConfigParser()
config.read("config.ini", "utf-8")
def compute_mdhash_id_for_qdrant(
content: str, prefix: str = "", style: str = "simple"
) -> str:
@@ -57,8 +59,8 @@ class QdrantVectorDBStorage(BaseVectorStorage):
def __post_init__(self):
self._client = QdrantClient(
url=os.environ.get("QDRANT_URL"),
api_key=os.environ.get("QDRANT_API_KEY", None),
url=os.environ.get("QDRANT_URL", config.get("qdrant", "uri", fallback=None)),
api_key=os.environ.get("QDRANT_API_KEY", config.get("qdrant", "apikey", fallback=None)),
)
self._max_batch_size = self.global_config["embedding_batch_num"]
QdrantVectorDBStorage.create_collection_if_not_exist(

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@@ -3,6 +3,7 @@ from typing import Any, Union
from tqdm.asyncio import tqdm as tqdm_async
from dataclasses import dataclass
import pipmaster as pm
import configparser
if not pm.is_installed("redis"):
pm.install("redis")
@@ -14,10 +15,13 @@ from lightrag.base import BaseKVStorage
import json
config = configparser.ConfigParser()
config.read("config.ini", "utf-8")
@dataclass
class RedisKVStorage(BaseKVStorage):
def __post_init__(self):
redis_url = os.environ.get("REDIS_URI", "redis://localhost:6379")
redis_url = os.environ.get("REDIS_URI", config.get("redis", "uri", fallback="redis://localhost:6379"))
self._redis = Redis.from_url(redis_url, decode_responses=True)
logger.info(f"Use Redis as KV {self.namespace}")

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@@ -35,6 +35,89 @@ from .utils import (
set_logger,
)
# Storage type and implementation compatibility validation table
STORAGE_IMPLEMENTATIONS = {
"KV_STORAGE": {
"implementations": [
"JsonKVStorage",
"MongoKVStorage",
"RedisKVStorage",
"TiDBKVStorage",
"PGKVStorage",
"OracleKVStorage",
],
"required_methods": ["get_by_id", "upsert"],
},
"GRAPH_STORAGE": {
"implementations": [
"NetworkXStorage",
"Neo4JStorage",
"MongoGraphStorage",
"TiDBGraphStorage",
"AGEStorage",
"GremlinStorage",
"PGGraphStorage",
"OracleGraphStorage",
],
"required_methods": ["upsert_node", "upsert_edge"],
},
"VECTOR_STORAGE": {
"implementations": [
"NanoVectorDBStorage",
"MilvusVectorDBStorge",
"ChromaVectorDBStorage",
"TiDBVectorDBStorage",
"PGVectorStorage",
"FaissVectorDBStorage",
"QdrantVectorDBStorage",
"OracleVectorDBStorage",
],
"required_methods": ["query", "upsert"],
},
"DOC_STATUS_STORAGE": {
"implementations": ["JsonDocStatusStorage", "PGDocStatusStorage"],
"required_methods": ["get_pending_docs"],
},
}
# Storage implementation environment variable without default value
STORAGE_ENV_REQUIREMENTS = {
# KV Storage Implementations
"JsonKVStorage": [],
"MongoKVStorage": [],
"RedisKVStorage": ["REDIS_URI"],
"TiDBKVStorage": ["TIDB_URI", "TIDB_DATABASE"],
"PGKVStorage": ["POSTGRES_USER", "POSTGRES_PASSWORD", "POSTGRES_DATABASE"],
"OracleKVStorage": ["ORACLE_URI", "ORACLE_USER", "ORACLE_PASSWORD"],
# Graph Storage Implementations
"NetworkXStorage": [],
"Neo4JStorage": ["NEO4J_URI", "NEO4J_USERNAME", "NEO4J_PASSWORD"],
"MongoGraphStorage": [],
"TiDBGraphStorage": ["TIDB_URI", "TIDB_DATABASE"],
"AGEStorage": [
"AGE_POSTGRES_DB",
"AGE_POSTGRES_USER",
"AGE_POSTGRES_PASSWORD",
"AGE_GRAPH_NAME",
],
"GremlinStorage": ["GREMLIN_HOST", "GREMLIN_PORT", "GREMLIN_GRAPH"],
"PGGraphStorage": ["POSTGRES_USER", "POSTGRES_PASSWORD", "POSTGRES_DATABASE"],
"OracleGraphStorage": ["ORACLE_URI", "ORACLE_USER", "ORACLE_PASSWORD"],
# Vector Storage Implementations
"NanoVectorDBStorage": [],
"MilvusVectorDBStorge": [],
"ChromaVectorDBStorage": [],
"TiDBVectorDBStorage": ["TIDB_URI", "TIDB_DATABASE"],
"PGVectorStorage": ["POSTGRES_USER", "POSTGRES_PASSWORD", "POSTGRES_DATABASE"],
"FaissVectorDBStorage": [],
"QdrantVectorDBStorage": ["QDRANT_URL"], # QDRANT_API_KEY has default value None
"OracleVectorDBStorage": ["ORACLE_URI", "ORACLE_USER", "ORACLE_PASSWORD"],
# Document Status Storage Implementations
"JsonDocStatusStorage": [],
"PGDocStatusStorage": ["POSTGRES_USER", "POSTGRES_PASSWORD", "POSTGRES_DATABASE"],
}
# Storage implementation module mapping
STORAGES = {
"NetworkXStorage": ".kg.networkx_impl",
"JsonKVStorage": ".kg.json_kv_impl",
@@ -193,6 +276,61 @@ class LightRAG:
list[dict[str, Any]],
] = chunking_by_token_size
def verify_storage_implementation(
self, storage_type: str, storage_name: str
) -> None:
"""Verify if storage implementation is compatible with specified storage type
Args:
storage_type: Storage type (KV_STORAGE, GRAPH_STORAGE etc.)
storage_name: Storage implementation name
Raises:
ValueError: If storage implementation is incompatible or missing required methods
"""
if storage_type not in STORAGE_IMPLEMENTATIONS:
raise ValueError(f"Unknown storage type: {storage_type}")
storage_info = STORAGE_IMPLEMENTATIONS[storage_type]
if storage_name not in storage_info["implementations"]:
raise ValueError(
f"Storage implementation '{storage_name}' is not compatible with {storage_type}. "
f"Compatible implementations are: {', '.join(storage_info['implementations'])}"
)
# Get storage class
storage_class = self._get_storage_class(storage_name)
# Check required methods
missing_methods = []
for method in storage_info["required_methods"]:
if not hasattr(storage_class, method):
missing_methods.append(method)
if missing_methods:
raise ValueError(
f"Storage implementation '{storage_name}' is missing required methods: "
f"{', '.join(missing_methods)}"
)
def check_storage_env_vars(self, storage_name: str) -> None:
"""Check if all required environment variables for storage implementation exist
Args:
storage_name: Storage implementation name
Raises:
ValueError: If required environment variables are missing
"""
required_vars = STORAGE_ENV_REQUIREMENTS.get(storage_name, [])
missing_vars = [var for var in required_vars if var not in os.environ]
if missing_vars:
raise ValueError(
f"Storage implementation '{storage_name}' requires the following "
f"environment variables: {', '.join(missing_vars)}"
)
def __post_init__(self):
os.makedirs(self.log_dir, exist_ok=True)
log_file = os.path.join(self.log_dir, "lightrag.log")
@@ -204,6 +342,20 @@ class LightRAG:
logger.info(f"Creating working directory {self.working_dir}")
os.makedirs(self.working_dir)
# Verify storage implementation compatibility and environment variables
storage_configs = [
("KV_STORAGE", self.kv_storage),
("VECTOR_STORAGE", self.vector_storage),
("GRAPH_STORAGE", self.graph_storage),
("DOC_STATUS_STORAGE", self.doc_status_storage),
]
for storage_type, storage_name in storage_configs:
# Verify storage implementation compatibility
self.verify_storage_implementation(storage_type, storage_name)
# Check environment variables
self.check_storage_env_vars(storage_name)
# show config
global_config = asdict(self)
_print_config = ",\n ".join([f"{k} = {v}" for k, v in global_config.items()])