app.py

import streamlit as st
from PIL import Image
import base64
import yaml
import os
import urllib.request
import tarfile
import subprocess
from yaml.loader import SafeLoader


st.set_page_config(
    
    #page_title="Semantic Search using OpenSearch",
    layout="wide",
    page_icon="/home/ubuntu/images/opensearch_mark_default.png"
)

st.markdown("""<style>
            @import url('https://fonts.cdnfonts.com/css/amazon-ember');
            </style>
                """,unsafe_allow_html=True)

# with open('/home/ubuntu/AI-search-with-amazon-opensearch-service/OpenSearchApp/auth.yaml') as file:
#     config = yaml.load(file, Loader=SafeLoader)
# authenticator = Authenticate(
#     config['credentials'],
#     config['cookie']['name'],
#     config['cookie']['key'],
#     config['cookie']['expiry_days'],
#     config['preauthorized']
# )
# name, authentication_status, username = authenticator.login('Login', 'main')


AI_ICON = "images/opensearch-twitter-card.png"
col_0_1,col_0_2,col_0_3= st.columns([10,50,85])
with col_0_1:
    st.image(AI_ICON, use_column_width='always')
with col_0_2:
    st.markdown('<p style="fontSize:40px;color:#FF9900;fontFamily:\'Amazon Ember Display 500\', sans-serif;">OpenSearch AI demos</p>',unsafe_allow_html=True)
    #st.header("OpenSearch AI demos")#,divider = 'rainbow'
# with col_0_3:
#     st.markdown("<a style = 'font-size:150%;background-color: #e28743;color: white;padding: 5px 10px;text-align: center;text-decoration: none;margin: 10px 20px;border-radius: 12px;display: inline-block;' href = 'https://catalog.workshops.aws/opensearch-ml-search'>Workshop</a>",unsafe_allow_html=True)
    

#st.header(":rewind: Demos available")
st.write("")
#st.write("----")
#st.write("Choose a demo")
st.write("")
col_1_1,col_1_2,col_1_3 = st.columns([3,40,65])
with col_1_1:
    st.subheader(" ")
with col_1_2:
    st.markdown('<p style="fontSize:28px;color:#c5c3c0;fontFamily:\'Amazon Ember Cd RC 250\', sans-serif;">Neural Search</p>',unsafe_allow_html=True)
with col_1_3:
    demo_1 = st.button(":arrow_forward:",key = "demo_1")
if(demo_1):
    st.switch_page('pages/Semantic_Search.py')
st.write("")
#st.page_link("pages/1_Semantic_Search.py", label=":orange[1. Semantic Search] :arrow_forward:")
#st.button("1. Semantic Search")
# image_ = Image.open('/home/ubuntu/images/Semantic_SEarch.png')
# new_image = image_.resize((1500, 1000))
# new_image.save('images/semantic_search_resize.png')
# st.image("images/semantic_search_resize.png")
col_2_1,col_2_2,col_2_3 = st.columns([3,40,65])
with col_2_1:
    st.subheader(" ")
with col_2_2:
    st.markdown('<p style="fontSize:28px;color:#c5c3c0;fontFamily:\'Amazon Ember Cd RC 250\', sans-serif;">Multimodal Conversational Search</p>',unsafe_allow_html=True)
    
with col_2_3:
    demo_2 = st.button(":arrow_forward:",key = "demo_2")
if(demo_2):
    st.switch_page('pages/Multimodal_Conversational_Search.py')
st.write("")
#st.header("2. Multimodal Conversational Search")
# image_ = Image.open('images/RAG_.png')
# new_image = image_.resize((1500, 1000))
# new_image.save('images/RAG_resize.png')
# st.image("images/RAG_resize.png")

col_3_1,col_3_2,col_3_3 = st.columns([3,40,65])
with col_3_1:
    st.subheader(" ")
with col_3_2:
    st.markdown('<div style="fontSize:28px;color:#c5c3c0;fontFamily:\'Amazon Ember Cd RC 250\', sans-serif;">Agentic Shopping Assistant</div>',unsafe_allow_html=True)#<span style="fontSize:14px;color:#099ef3;fontWeight:bold;textDecorationLine:underline;textDecorationStyle: dashed;">New</span>
with col_3_3:
    demo_3 = st.button(":arrow_forward:",key = "demo_3")
if(demo_3):
    st.switch_page('pages/AI_Shopping_Assistant.py')
# with st.sidebar:
#     st.subheader("Choose a demo !")




    #  """
    #     <style>
          
    #         [data-testid="stHeader"]::after {
    #             content: "My Company Name";
    #             margin-left: 0px;
    #             margin-top: 0px;
    #             font-size: 30px;
    #             position: relative;
    #             left: 90%;
    #             top: 30%;
    #         }
    #     </style>
    #     """,
    
isExist = os.path.exists("/home/user/images_retail")
if not isExist:   
    os.makedirs("/home/user/images_retail")
    metadata_file = urllib.request.urlretrieve('https://aws-blogs-artifacts-public.s3.amazonaws.com/BDB-3144/products-data.yml', '/home/user/products.yaml')
    img_filename,headers= urllib.request.urlretrieve('https://aws-blogs-artifacts-public.s3.amazonaws.com/BDB-3144/images.tar.gz', '/home/user/images_retail/images.tar.gz')              
    print(img_filename)
    file = tarfile.open('/home/user/images_retail/images.tar.gz')
    file.extractall('/home/user/images_retail/')
    file.close()
    #remove images.tar.gz
    os.remove('/home/user/images_retail/images.tar.gz')