upload.py

from langchain_openai import OpenAIEmbeddings
from langchain.text_splitter import RecursiveCharacterTextSplitter
from langchain_pinecone import PineconeVectorStore
from langchain_community.document_loaders.pdf import PyPDFLoader
from langchain_community.document_loaders import DirectoryLoader

# Prep documents to be uploaded to the vector database (Pinecone)

# Split documents into smaller chunks

# Choose the embedding model and vector store