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from langchain_community.vectorstores import FAISS
from langchain_community.embeddings.huggingface import HuggingFaceBgeEmbeddings
import firebase_admin
from firebase_admin import credentials, storage
import json, os, dotenv
from dotenv import load_dotenv
load_dotenv()
try:
os.environ["FIREBASE_CREDENTIAL"] = dotenv.get_key(dotenv.find_dotenv(), "FIREBASE_CREDENTIAL")
if os.environ.get["FIREBASE_CREDENTIAL"] == None:
raise TypeError
except TypeError:
import streamlit as st
os.environ["FIREBASE_CREDENTIAL"] = st.secrets["FIREBASE_CREDENTIAL"]
cred = credentials.Certificate(json.loads(os.environ.get("FIREBASE_CREDENTIAL"), strict=False))
firebase_admin.initialize_app(cred,{'storageBucket': 'healthhack-store.appspot.com'}) # connecting to firebase
def get_store(index_name, embeddings = None):
while index_name[-1]=="/":
index_name = index_name[:-1]
dir = index_name.split("/")
## Check if path exists locally
for i in range(len(dir)):
path = '/'.join(dir[:i+1])
if not os.path.exists(path):
os.mkdir(path)
## Check if file exists locally, get from blob
if (not os.path.exists(index_name+"/index.faiss") or
not os.path.exists(index_name+"/index.pkl")
):
bucket = storage.bucket()
blob = bucket.blob(f"{index_name}/index.pkl")
blob.download_to_filename(f"{index_name}/index.pkl")
bucket = storage.bucket()
blob = bucket.blob(f"{index_name}/index.faiss")
blob.download_to_filename(f"{index_name}/index.faiss")
## check embeddings, default to BGE
if embeddings is None:
model_name = "bge-large-en-v1.5"
model_kwargs = {"device": "cpu"}
encode_kwargs = {"normalize_embeddings": True}
embeddings = HuggingFaceBgeEmbeddings(
# model_name=model_name,
model_kwargs = model_kwargs,
encode_kwargs = encode_kwargs)
## load store from local
store = FAISS.load_local(index_name, embeddings)
return store
def update_store_from_local(index_name):
while index_name[-1]=="/":
index_name = index_name[:-1]
pathdir = index_name.split("/")
## Check if path exists locally
for i in range(len(pathdir)):
path = '/'.join(pathdir[:i+1])
if not os.path.exists(path):
raise Exception("Index name does not exist locally")
## Check if file exists locally, get from blob
if (not os.path.exists(index_name+"/index.faiss") or
not os.path.exists(index_name+"/index.pkl")
):
raise("Index is missing some files (index.faiss, index.pkl)")
## Update store
bucket = storage.bucket()
blob = bucket.blob(index_name+"/index.faiss")
blob.upload_from_filename(index_name+"/index.faiss")
blob = bucket.blob(index_name+"/index.pkl")
blob.upload_from_filename(index_name+"/index.pkl")
return True
if __name__ == "__main__":
print("y r u running dis") |