forked from Archives/langchain
You cannot select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
42 lines
1.2 KiB
Python
42 lines
1.2 KiB
Python
"""Toolkit for interacting with a SQL database."""
|
|
from typing import List
|
|
|
|
from pydantic import Field
|
|
|
|
from langchain.agents.agent_toolkits.base import BaseToolkit
|
|
from langchain.base_language import BaseLanguageModel
|
|
from langchain.sql_database import SQLDatabase
|
|
from langchain.tools import BaseTool
|
|
from langchain.tools.sql_database.tool import (
|
|
InfoSQLDatabaseTool,
|
|
ListSQLDatabaseTool,
|
|
QueryCheckerTool,
|
|
QuerySQLDataBaseTool,
|
|
)
|
|
|
|
|
|
class SQLDatabaseToolkit(BaseToolkit):
|
|
"""Toolkit for interacting with SQL databases."""
|
|
|
|
db: SQLDatabase = Field(exclude=True)
|
|
llm: BaseLanguageModel = Field(exclude=True)
|
|
|
|
@property
|
|
def dialect(self) -> str:
|
|
"""Return string representation of dialect to use."""
|
|
return self.db.dialect
|
|
|
|
class Config:
|
|
"""Configuration for this pydantic object."""
|
|
|
|
arbitrary_types_allowed = True
|
|
|
|
def get_tools(self) -> List[BaseTool]:
|
|
"""Get the tools in the toolkit."""
|
|
return [
|
|
QuerySQLDataBaseTool(db=self.db),
|
|
InfoSQLDatabaseTool(db=self.db),
|
|
ListSQLDatabaseTool(db=self.db),
|
|
QueryCheckerTool(db=self.db, llm=self.llm),
|
|
]
|