78 lines
2.3 KiB
Python

import gradio as gr
import sys
import os
from collections.abc import Iterable
from langchain.document_loaders import PyPDFLoader
from langchain.document_loaders import Docx2txtLoader
from langchain.document_loaders import TextLoader
from langchain.document_loaders import UnstructuredHTMLLoader
from langchain.text_splitter import RecursiveCharacterTextSplitter
from langchain.text_splitter import CharacterTextSplitter
from langchain.chains import RetrievalQA
from langchain.llms import Ollama
ollama = Ollama(base_url='http://localhost:11434',
#model="codellama")
#model="starcoder")
model="llama2")
docsUrl = "/home/user/dev/docs"
documents = []
for file in os.listdir(docsUrl):
if file.endswith(".pdf"):
pdf_path = docsUrl + "/" + file
loader = PyPDFLoader(pdf_path)
documents.extend(loader.load())
print("Found " + pdf_path)
elif file.endswith('.docx') or file.endswith('.doc'):
doc_path = docsUrl + "/" + file
loader = Docx2txtLoader(doc_path)
documents.extend(loader.load())
print("Found " + doc_path)
elif file.endswith('.txt') or file.endswith('.kt') or file.endswith('.json'):
text_path = docsUrl + "/" + file
loader = TextLoader(text_path)
documents.extend(loader.load())
print("Found " + text_path)
elif file.endswith('.html') or file.endswith('.htm'):
htm_path = docsUrl + "/" + file
loader = UnstructuredHTMLLoader(htm_path)
documents.extend(loader.load())
print("Found " + htm_path)
text_splitter = CharacterTextSplitter(chunk_size=2000, chunk_overlap=20)
all_splits = text_splitter.split_documents(documents)
from langchain.embeddings import GPT4AllEmbeddings
from langchain.vectorstores import Chroma
vectorstore = Chroma.from_documents(documents=all_splits, embedding=GPT4AllEmbeddings())
def AI_response(question, history):
docs = vectorstore.similarity_search(question)
len(docs)
qachain=RetrievalQA.from_chain_type(ollama, retriever=vectorstore.as_retriever())
#reply=qachain()
#reply=str(qachain({"query": question}))
reply=str(qachain.run(question))
return reply
demo = gr.ChatInterface(AI_response, title="Put your files in folder" + docsUrl)
if __name__ == "__main__":
demo.launch(server_name="0.0.0.0", server_port=7860)