langchaintutor

A langchain code I wrote while passing YouTube tutorial - https://www.youtube.com/watch?v=ekpnVh-l3YA&t=1s

Installation

Rename .env.example to .env

Required Environment variables

OpenAI - https://help.openai.com/en/articles/4936850-where-do-i-find-my-openai-api-key

• OPENAI_API_KEY

Langchain - https://docs.smith.langchain.com/how_to_guides/setup/create_account_api_key

• LANGCHAIN_API_KEY
• LANGCHAIN_TRACING_V2
• LANGCHAIN_ENDPOINT
• LANGCHAIN_PROJECT

Tavily - https://docs.tavily.com/docs/tavily-api/python-sdk

• TAVILY_API_KEY

Upstash - https://upstash.com/docs/introduction

• REDIS_UPSTASH_URL
• REDIS_UPSTASH_TOKEN

Required packages

  pip install langchain
  pip install langchain-cli
  pip install langchain_community
  pip install python-dotenv
  pip install faiss-cpu
  pip install upstash_redis

Here's an example of usage