Mahmoud Elbattah

33 papers B 3C 3Misc 2Journal 3Unranked 22
YearRankTypeTitle / Venue / Authors
2026 conf
BIOSTEC (1)
Mahmoud Elbattah, Federica Cilia
2025 conf
ICDH
Chamara Jayanath, Émilien Arnaud, Mahmoud Elbattah
2025 B conf
IEEE Big Data
Mahmoud Elbattah, Federica Cilia, Gilles Dequen
2025 B conf
IEEE Big Data
Jordan Edgecombe, Neil Phillips, Mahmoud Elbattah
2024 conf
ICHI
Émilien Arnaud, Mahmoud Elbattah, Amandine Pitteman, Gilles Dequen, Daniel Aiham Ghazali, Pedro A. Moreno-Sánchez
2024 J jnl
Frontiers Neuroinformatics
Mahmoud Elbattah, Osman Ali Sadek Ibrahim, Gilles Dequen
2024 conf
BIBM
Mahmoud Elbattah, Émilien Arnaud, Daniel Aiham Ghazali, Gilles Dequen
2023 B conf
IEEE Big Data
Émilien Arnaud, Mahmoud Elbattah, Pedro A. Moreno-Sánchez, Gilles Dequen, Daniel Aiham Ghazali
2023 J jnl
npj Digit. Medicine
Émilien Arnaud, Mahmoud Elbattah, Christine Ammirati, Gilles Dequen, Daniel Aiham Ghazali
2022 conf
HEALTHINF
Émilien Arnaud, Mahmoud Elbattah, Maxime Gignon, Gilles Dequen
2022 conf
HEALTHINF
Mahmoud Elbattah, Jean-Luc Guérin, Romuald Carette, Federica Cilia, Gilles Dequen
2021 conf
ICHI
Émilien Arnaud, Mahmoud Elbattah, Maxime Gignon, Gilles Dequen
2021 conf
HEALTHINF
Mahmoud Elbattah, Émilien Arnaud, Maxime Gignon, Gilles Dequen
2021 J jnl
J. Imaging
Mahmoud Elbattah, Colm Loughnane, Jean-Luc Guérin, Romuald Carette, Federica Cilia, Gilles Dequen
2020 conf
IEEE BigData
Émilien Arnaud, Mahmoud Elbattah, Maxime Gignon, Gilles Dequen
2020 C conf
IJCCI
Mahmoud Elbattah, Jean-Luc Guérin, Romuald Carette, Federica Cilia, Gilles Dequen
2020 conf
ICHI
Fabien Viton, Mahmoud Elbattah, Jean-Luc Guérin, Gilles Dequen
2020 conf
DeLTA
Fabien Viton, Mahmoud Elbattah, Jean-Luc Guérin, Gilles Dequen
2020 conf
SSCI
Mahmoud Elbattah, Jean-Luc Guérin, Romuald Carette, Federica Cilia, Gilles Dequen
2019 C conf
DS-RT
Mahmoud Elbattah
2019 conf
EMBC
Mahmoud Elbattah, Romuald Carette, Gilles Dequen, Jean-Luc Guérin, Federica Cilia
2019 conf
KMIS
Mahmoud Elbattah, Conor Ryan
2019 conf
HEALTHINF
Romuald Carette, Mahmoud Elbattah, Federica Cilia, Gilles Dequen, Jean-Luc Guérin, Jérôme Bosche
2018 Misc conf
WSC
Mahmoud Elbattah, Owen Molloy, Bernard P. Zeigler
2018 conf
SIGSIM-PADS
Mahmoud Elbattah, Owen Molloy
2018 conf
ICDIM
Romuald Carette, Mahmoud Elbattah, Gilles Dequen, Jean-Luc Guérin, Federica Cilia
2017 conf
AAAI Workshops
Mahmoud Elbattah, Owen Molloy
2017 conf
ACSW
Mahmoud Elbattah, Owen Molloy
2017 Misc conf
WSC
Mahmoud Elbattah, Owen Molloy
2017 conf
SWM@WSDM
Mahmoud Elbattah
2016 conf
SIGSIM-PADS
Mahmoud Elbattah, Owen Molloy
2016 conf
IntelliSys (1)
Mahmoud Elbattah, Owen Molloy
2015 C conf
SIMULTECH
Mahmoud Elbattah, Owen Molloy
s3-storage/s3_test.py
← Index s3-storage/s3_test.py python
#!/usr/bin/env python3
"""
Simple script to test S3 connectivity and download.
Usage: python s3_test.py
"""

import os
import time
import tempfile
from minio import Minio
from minio.error import S3Error
from dotenv import load_dotenv

# Load environment variables
load_dotenv()

def get_minio_client():
    """Create and return a Minio client using credentials from .env file"""
    endpoint = os.getenv("S3_ENDPOINT")
    access_key = os.getenv("S3_ACCESS_KEY")
    secret_key = os.getenv("S3_SECRET_KEY")
    secure = True 
    
    print(f"Connecting to S3 endpoint: {endpoint} (secure={secure})")
    
    return Minio(
        endpoint=endpoint,
        access_key=access_key,
        secret_key=secret_key,
        secure=secure
    )

def test_connection():
    """Test basic connectivity to S3"""
    try:
        client = get_minio_client()
        
        # Try to list buckets as a basic connectivity test
        buckets = client.list_buckets()
        print(f"Successfully connected to S3. Found {len(buckets)} buckets:")
        for bucket in buckets:
            print(f"  - {bucket.name}")
        
        return client
    except Exception as e:
        print(f"Failed to connect to S3: {e}")
        return None

def test_bucket_access(client, bucket_name):
    """Test access to a specific bucket"""
    try:
        exists = client.bucket_exists(bucket_name)
        if exists:
            print(f"Bucket '{bucket_name}' exists and is accessible")
            
            # List a few objects to verify access
            count = 0
            objects = []
            for obj in client.list_objects(bucket_name, recursive=True):
                print(f"  - {obj.object_name} ({obj.size} bytes)")
                objects.append(obj)
                count += 1
                if count >= 5:
                    break
            
            print(f"Found at least {len(objects)} objects in bucket")
            return objects
        else:
            print(f"Bucket '{bucket_name}' does not exist or is not accessible")
            return []
    except Exception as e:
        print(f"Error accessing bucket '{bucket_name}': {e}")
        return []

def test_download(client, bucket_name, object_name):
    """Test downloading a specific object"""
    try:
        print(f"Attempting to download: {object_name}")
        start_time = time.time()
        
        # Create a temporary file to store the downloaded object
        with tempfile.NamedTemporaryFile(delete=False) as temp_file:
            temp_path = temp_file.name
        
        # Download the object
        client.fget_object(bucket_name, object_name, temp_path)
        
        # Check if the file was downloaded successfully
        file_size = os.path.getsize(temp_path)
        elapsed_time = time.time() - start_time
        
        print(f"Download successful: {file_size} bytes in {elapsed_time:.2f} seconds")
        print(f"Average download speed: {file_size/elapsed_time/1024:.2f} KB/s")
        
        # Clean up
        os.unlink(temp_path)
        return True
    except S3Error as e:
        print(f"S3 Error during download: {e}")
        return False
    except Exception as e:
        print(f"Error downloading object: {e}")
        return False

def main():
    """Main function to run all tests"""
    print("=== S3 Connectivity Test ===")
    
    # Test basic connectivity
    client = test_connection()
    if not client:
        return
    
    # Get bucket name from environment variable
    bucket_name = "redb"
    print(f"\n=== Testing Access to Bucket: {bucket_name} ===")
    objects = test_bucket_access(client, bucket_name)
    
    if objects:
        # Test downloading the first object
        first_object = objects[0].object_name
        print(f"\n=== Testing Download of Object: {first_object} ===")
        test_download(client, bucket_name, first_object)
        
        # If the first one worked, let's try a specific file from the error log
        print(f"\n=== Testing Download of Specific Object ===")
        specific_object = "00/06/00062073114defac39cb7ab9cb99a0b77c535a09a241c60d47ddd0b6431629f1.zip"
        test_download(client, bucket_name, specific_object)

if __name__ == "__main__":
    main()