Load Google Cloud Storage file using LangChain GCSFileLoader

load_gcs_file.py

import os, streamlit as st
from langchain.document_loaders import GCSFileLoader

creds_file = st.file_uploader("Upload Google Cloud credentials file", type="json")

if creds_file is not None:
    creds_contents = creds_file.read().decode("utf-8")
    with open("temp_credentials.json", "w") as f:
        f.write(creds_contents)
    os.environ["GOOGLE_APPLICATION_CREDENTIALS"] = "temp_credentials.json"

    if st.button("Load"):
        try:
            loader = GCSFileLoader(project_name="langchain-gcs", bucket="langchain-gcs", blob="lorem-ipsum.txt")
            data = loader.load()
            st.success(data)
        except Exception as e:
            st.error(e)