faiss_rag_enterprise/llama_index/bridge/langchain.py

109 lines
2.7 KiB
Python

import langchain
from langchain.agents import AgentExecutor, AgentType, initialize_agent
# agents and tools
from langchain.agents.agent_toolkits.base import BaseToolkit
from langchain.base_language import BaseLanguageModel
# callback
from langchain.callbacks.base import BaseCallbackHandler, BaseCallbackManager
from langchain.chains.prompt_selector import ConditionalPromptSelector, is_chat_model
from langchain.chat_models.base import BaseChatModel
from langchain.docstore.document import Document
from langchain.memory import ChatMessageHistory, ConversationBufferMemory
# chat and memory
from langchain.memory.chat_memory import BaseChatMemory
from langchain.output_parsers import ResponseSchema
# prompts
from langchain.prompts import PromptTemplate
from langchain.prompts.chat import (
AIMessagePromptTemplate,
BaseMessagePromptTemplate,
ChatPromptTemplate,
HumanMessagePromptTemplate,
SystemMessagePromptTemplate,
)
# schema
from langchain.schema import (
AIMessage,
BaseMemory,
BaseMessage,
BaseOutputParser,
ChatGeneration,
ChatMessage,
FunctionMessage,
HumanMessage,
LLMResult,
SystemMessage,
)
# embeddings
from langchain.schema.embeddings import Embeddings
from langchain.schema.prompt_template import BasePromptTemplate
# input & output
from langchain.text_splitter import RecursiveCharacterTextSplitter, TextSplitter
from langchain.tools import BaseTool, StructuredTool, Tool
from langchain_community.chat_models import ChatAnyscale, ChatOpenAI
from langchain_community.embeddings import (
HuggingFaceBgeEmbeddings,
HuggingFaceEmbeddings,
)
# LLMs
from langchain_community.llms import AI21, BaseLLM, Cohere, FakeListLLM, OpenAI
__all__ = [
"langchain",
"BaseLLM",
"FakeListLLM",
"OpenAI",
"AI21",
"Cohere",
"BaseChatModel",
"ChatAnyscale",
"ChatOpenAI",
"BaseLanguageModel",
"Embeddings",
"HuggingFaceEmbeddings",
"HuggingFaceBgeEmbeddings",
"PromptTemplate",
"BasePromptTemplate",
"ConditionalPromptSelector",
"is_chat_model",
"AIMessagePromptTemplate",
"ChatPromptTemplate",
"HumanMessagePromptTemplate",
"BaseMessagePromptTemplate",
"SystemMessagePromptTemplate",
"BaseChatMemory",
"ConversationBufferMemory",
"ChatMessageHistory",
"BaseToolkit",
"AgentType",
"AgentExecutor",
"initialize_agent",
"StructuredTool",
"Tool",
"BaseTool",
"ResponseSchema",
"BaseCallbackHandler",
"BaseCallbackManager",
"AIMessage",
"FunctionMessage",
"BaseMessage",
"ChatMessage",
"HumanMessage",
"SystemMessage",
"BaseMemory",
"BaseOutputParser",
"LLMResult",
"ChatGeneration",
"Document",
"RecursiveCharacterTextSplitter",
"TextSplitter",
]