langchain-ask-pdf-gradio

Why

Using langchain gets LLMs to pay attention to your content.

How

Python project using a gradio interface to query an online pdf document using langchain

Quickstart

Using a machine with python installed Clone or download this repo

Make sure that python and virual environment is installed.

Create a new virtual environment

one time

virtualenv -p $(which python3) pyenv

everytime you want to run the server

source pyenv/bin/activate

Now install the requirements

pip install -r requirements.txt

Rename the .env-template file to .env Edit the .env file entering your OpenAI GPT API key (see below for details) after the equals sign on the first line

Run the application with the following command:

python app.py

This will output a url which can be used by a browser. Entering a question and a url to a PDF available online should get you a syntactic-well-formed semantic-related answer

OpenAI API key

This can be found here: https://platform.openai.com/login

After login or sign up you can find or create a new key under your account menu inn the upper right corner of the navigation bar. In the menu select "View API Key." This will redirect you to a screen where you can click on the "Create new secret key button." It is strongly recommended you create a new key for each application for which you use OpenAI GPT.