app.py

import streamlit as st
import boto3
import os
from botocore.exceptions import NoCredentialsError

def upload_file_to_s3(file, bucket, object_name=None):
    s3_client = boto3.client('s3')
    try:
        # Saving the file temporarily
        temp_file = f"temp_{file.name}"
        with open(temp_file, "wb") as f:
            f.write(file.getbuffer())

        # Upload to S3
        response = s3_client.upload_file(temp_file, bucket, object_name or file.name)
        st.success(f"Image uploaded: {file.name}")

        # Clean up: delete the temporary file
        os.remove(temp_file)
    except NoCredentialsError as e:
        st.error('Credentials not available')
        return False
    except Exception as e:
        st.error(f"An error occurred: {e}")
        return False
    return True

def main():
    st.title('Image Upload to AWS S3')

    uploaded_file = st.file_uploader("Choose an image...", type=['jpg', 'jpeg', 'png'])
    if uploaded_file is not None:
        # Display the image
        st.image(uploaded_file, caption='Uploaded Image', use_column_width=True)

        # Upload button
        if st.button('Upload to S3'):
            bucket_name = "iot-ultra-sonic-data"  # Replace with your bucket name
            upload_file_to_s3(uploaded_file, bucket_name)

if __name__ == "__main__":
    main()