Karim Tamine

20 papers B 2Misc 1Journal 14Unranked 3
YearRankTypeTitle / Venue / Authors
2025 J jnl
Int. J. Image Graph.
Mohammud Shaad Ally Toofanee, Omar Boudraa, Karim Tamine
2024 J jnl
Int. J. Bus. Data Commun. Netw.
Ryma Abassi, Mohamed Amine Riahla, Karim Tamine, Sihem Goumiri
2023 J jnl
IEEE Access
Mohammud Shaad Ally Toofanee, Sabeena Dowlut, Mohamed Hamroun, Karim Tamine, Vincent Petit, Anh-Kiet Duong, Damien Sauveron
2022 J jnl
Int. J. Image Graph.
Mohamed Hamroun, Karim Tamine, Benoît Crespin
2021 J jnl
Int. J. Image Graph.
Mohamed Hamroun, Karim Tamine, Frédéric Claux, Mourad Zribi
2021 J jnl
Int. J. Bus. Data Commun. Netw.
Mohamed Amine Riahla, Sihem Goumiri, Karim Tamine, M'hamed Hamadouche
2021 conf
SSD
Hana Rhim, Karim Tamine, Ryma Abassi, Damien Sauveron, Sihem Guemara El Fatmi
2021 J jnl
Int. J. Bus. Data Commun. Netw.
Mohamed Amine Riahla, Ryma Abassi, Karim Tamine
2020 Misc conf
SAC
Hana Rhim, Ryma Abassi, Karim Tamine, Damien Sauveron, Sihem Guemara El Fatmi
2020 J jnl
Int. J. Commun. Networks Distributed Syst.
Rebiha Hadaoui, Karim Tamine, Mehammed Daoui, Mustapha Lalam
2018 J jnl
Hum. centric Comput. Inf. Sci.
Hana Rhim, Karim Tamine, Ryma Abassi, Damien Sauveron, Sihem Guemara El Fatmi
2018 J jnl
J. Exp. Theor. Artif. Intell.
Yahiaoui Chahrazed, Jean-Louis Lanet, Mohamed Mezghiche, Karim Tamine
2018 J jnl
Int. J. Auton. Adapt. Commun. Syst.
Mohamed Amine Riahla, Karim Tamine
2014 conf
PECCS
Mohamed Amine Riahla, Karim Tamine, A. Mifdal, Mohamed Mezghiche
2012 J jnl
Wirel. Networks
Boussad Ait Salem, Mohamed Amine Riahla, Karim Tamine
2011 B conf
ARES
Ghenima Bourkache, Mohamed Mezghiche, Karim Tamine
2011 J jnl
J. Softw. Eng. Appl.
Oana Livia Apostu, Karim Tamine
2008 B conf
ARES
Carlos Aguilar Melchor, Boussad Ait Salem, Philippe Gaborit, Karim Tamine
2006 J jnl
Vis. Comput.
Dmitry Sokolov, Dimitri Plemenos, Karim Tamine
2006 conf
GRAPP
Dmitry Sokolov, Dimitri Plemenos, Karim Tamine
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()