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Create app.py
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app.py
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1 |
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%%capture
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!pip install gradio
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!pip install --upgrade langchain
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!pip install --upgrade openai
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!pip install --upgrade torch
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!pip install --upgrade transformers
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!pip install --upgrade rank-bm25
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!pip install --upgrade accelerate
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!pip install --upgrade sentence_transformers
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!pip install --upgrade qdrant_client
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!pip install -U langchain_openai
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import os
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import gradio as gr
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from langchain.vectorstores import qdrant
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from langchain.embeddings import HuggingFaceBgeEmbeddings
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from langchain_community.vectorstores import Qdrant
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from qdrant_client import QdrantClient
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import qdrant_client
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from langchain.chains import ConversationalRetrievalChain
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from langchain_core.prompts import ChatPromptTemplate
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from langchain.chains import LLMChain
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from langchain.llms import OpenAI
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from langchain_openai.chat_models import ChatOpenAI
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from langchain.prompts import PromptTemplate, ChatPromptTemplate
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from langchain.chains import SimpleSequentialChain
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from langchain.chains import ConversationalRetrievalChain
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from langchain.prompts import ChatPromptTemplate
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from langchain.memory import ConversationBufferMemory
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from langchain.chains.router import MultiPromptChain
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from langchain.chains import ConversationChain
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from langchain.chains.llm import LLMChain
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from langchain.prompts import PromptTemplate
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from langchain.chains import RetrievalQA
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from langchain.chains.router.embedding_router import EmbeddingRouterChain
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import os
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os.environ["OPENAI_API_KEY"] = "sk-proj-kcPWLq6XrtyJcmZP7IbAT3BlbkFJHf5I0O8ulxcd89Tm0wtn"
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# load the embedding model
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model_name = "BAAI/bge-large-en"
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# model_kwargs = {"device":"cpu"}
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encode_kwargs = {"normalize_embeddings": False}
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embeddings = HuggingFaceBgeEmbeddings(
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model_name=model_name,
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# model_kwargs=model_kwargs,
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encode_kwargs=encode_kwargs
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)
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qdrant_key = "UVNJLKReKbTGd1F5kLVfKkDVmRYy69h7MPAzVb8zQ6hk8l3eTydKKw"
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qdrant_url = "https://5169b771-7376-4534-b174-d14e9ffd679b.us-east4-0.gcp.cloud.qdrant.io:6333"
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def get_vector_store():
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client = qdrant_client.QdrantClient(
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qdrant_url,
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api_key=qdrant_key
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)
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vector_store = Qdrant(
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client=client,
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collection_name="hybridshop",
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embeddings=embeddings,
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)
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return vector_store
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vector_store = get_vector_store()
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llm = ChatOpenAI(model="gpt-3.5-turbo",temperature=0.2)
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memory = ConversationBufferMemory(memory_key='chat_history', return_messages=True)
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conversation_chain = ConversationalRetrievalChain.from_llm(
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llm=llm,
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chain_type="stuff",
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retriever=vector_store.as_retriever(),
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memory=memory
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)
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def predict(question):
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result = conversation_chain({"question": question})
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answer = result["answer"]
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return answer
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interface = gr.Interface(
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fn=predict,
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inputs=["text"],
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outputs=["text"],
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examples=[
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["suggest me some smart tvs"],
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["smartphones under 8gb"],
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["smartphones with 8gb ram"],
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["When will I go to the moon?"],
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["latest phones under 20,000"],
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["latest smartphones under 20,000"],
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["Which monitors are compatible with Mac laptops?"]
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]
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)
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interface.launch()
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