chatting-with-pdfs

About Python Chat PDF (GPT Index) Project

Load your PDFs data folder and ask questions via llama_index and GPT.

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What is LlamaIndex

LlamaIndex (GPT Index) is a data framework for your LLM application.

Context

• LLMs are a phenomenonal piece of technology for knowledge generation and reasoning. They are pre-trained on large amounts of publicly available data.
• The best approach to augment LLMs with our own private data, we need a comprehensive toolkit to help perform this data augmentation for LLMs.

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Proposed Solution

That’s where LlamaIndex comes in. LlamaIndex is a “data framework” to help you build LLM apps. It provides the following tools:

• Offers data connectors to ingest your existing data sources and data formats (APIs, PDFs, docs, SQL, etc.)

• Provides ways to structure your data (indices, graphs) so that this data can be easily used with LLMs.

• Provides an advanced retrieval/query interface over your data: Feed in any LLM input prompt, get back retrieved context and knowledge-augmented output.

• Allows easy integrations with your outer application framework (e.g. with LangChain, Flask, Docker, ChatGPT, anything else).

LlamaIndex provides tools for both beginner users and advanced users. Our high-level API allows beginner users to use LlamaIndex to ingest and query their data in 5 lines of code. Our lower-level APIs allow advanced users to customize and extend any module (data connectors, indices, retrievers, query engines, reranking modules), to fit their needs.

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What does load_index_from_storage do and how does it work?

load_index_from_storage is a function that loads an index from a StorageContext object. It takes in a StorageContext object and an optional index_id as parameters. If the index_id is not specified, it assumes there is only one index in the index store and loads it. It then passes the index_ids and any additional keyword arguments to the load_indices_from_storage function. This function then retrieves the index structs from the index store and creates a list of BaseGPTIndex objects. If the index_ids are specified, it will only load the indices with the specified ids. Finally, the function returns the list of BaseGPTIndex objects.

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Getting Started

Instructions

• Install the requirements

pip install -r requirements.txt

• Get a GPT API key from OpenAI if you don't have one already.

• Run the script.

python3 chat_with_pdfs.py <"data_folder_path"> <"open_api_key">

• Ask any questions about the content of the PDF.

How to use our package:

from chat_pdf.chat_with_pdfs import ask_a_question
import sys

folder_name = sys.argv[1]
api_key = sys.argv[2]
print(ask_a_question(folder_name, api_key))