added simple authentication

app.py

@@ -1,4 +1,4 @@
-import pinecone
+import pinecone
 import streamlit as st
 from transformers import pipeline, AutoTokenizer
 from sentence_transformers import SentenceTransformer
@@ -42,15 +42,6 @@ def card(name, description, score):
 
 st.title("")
 
-st.write("""
-# Extractive Question Answering
-Ask me a question!
-""")
-
-st.markdown("""
-<link rel="stylesheet" href="https://cdn.jsdelivr.net/npm/[email protected]/dist/css/bootstrap.min.css" integrity="sha384-Gn5384xqQ1aoWXA+058RXPxPg6fy4IWvTNh0E263XmFcJlSAwiGgFAW/dAiS6JXm" crossorigin="anonymous">
-""", unsafe_allow_html=True)
-
 def run_query(query):
     xq = retriever.encode([query]).tolist()
     try:
@@ -77,7 +68,45 @@ def run_query(query):
         score = round(r["score"], 4)
         card(company_name, description, score)
 
-query = st.text_input("Search!", "")
+def check_password():
+    """Returns `True` if the user had the correct password."""
+
+    def password_entered():
+        """Checks whether a password entered by the user is correct."""
+        if st.session_state["password"] == st.secrets["password"]:
+            st.session_state["password_correct"] = True
+            del st.session_state["password"]  # don't store password
+        else:
+            st.session_state["password_correct"] = False
+
+    if "password_correct" not in st.session_state:
+        # First run, show input for password.
+        st.text_input(
+            "Password", type="password", on_change=password_entered, key="password"
+        )
+        return False
+    elif not st.session_state["password_correct"]:
+        # Password not correct, show input + error.
+        st.text_input(
+            "Password", type="password", on_change=password_entered, key="password"
+        )
+        st.error("😕 Password incorrect")
+        return False
+    else:
+        # Password correct.
+        return True
+
+if check_password():
+    st.write("""
+    Search for a company in free text
+    """)
+
+    st.markdown("""
+    <link rel="stylesheet" href="https://cdn.jsdelivr.net/npm/[email protected]/dist/css/bootstrap.min.css" integrity="sha384-Gn5384xqQ1aoWXA+058RXPxPg6fy4IWvTNh0E263XmFcJlSAwiGgFAW/dAiS6JXm" crossorigin="anonymous">
+    """, unsafe_allow_html=True)
+    
+    query = st.text_input("Search!", "")
+
+    if query != "":
+        run_query(query)
 
-if query != "":
-    run_query(query)