Naeha Sharif

18 papers A 1Misc 4Journal 8Unranked 5
YearRankTypeTitle / Venue / Authors
2026 J jnl
CoRR
A. S. M. Sharifuzzaman Sagar, Mohammed Bennamoun, Farid Boussaïd, Naeha Sharif, Lian Xu, Shaaban Sahmoud, Ali Kishk
2026 J jnl
CoRR
Ning Wang, Tieyue Wu, Naeha Sharif, Farid Boussaïd, Guangming Zhu, Lin Mei, Mohammed Bennamoun, Liang Zhang
2025 conf
OMIA@MICCAI
Viska Mutiawani, Naeha Sharif, Nigel Morlet, Siobhan Manners, Ghulam Mubashar Hassan
2024 conf
PRIME@MICCAI
Jamie Vo, Naeha Sharif, Ghulam Mubashar Hassan
2024 J jnl
CoRR
Jamie Vo, Naeha Sharif, Ghulam Mubashar Hassan
2022 Misc conf
ADCS
Mehwish Nasim, Naeha Sharif, Pranav Bhandari, Derek Weber, Martin Wood, Lucia Falzon, Yoshihisa Kashima
2022 conf
MICCAI (3)
Syed Zulqarnain Gilani, Naeha Sharif, David Suter, John T. Schousboe, Siobhan Reid, William D. Leslie, Joshua R. Lewis
2021 Misc conf
DICTA
Zaid Ilyas, Naeha Sharif, John T. Schousboe, Joshua R. Lewis, David Suter, Syed Zulqarnain Gilani
2021 A conf
WACV
Naeha Sharif, Mohammed Bennamoun, Wei Liu, Syed Afaq Ali Shah
2020 J jnl
CoRR
Naeha Sharif, Lyndon White, Mohammed Bennamoun, Wei Liu, Syed Afaq Ali Shah
2020 Misc conf
IVCNZ
Naeha Sharif, Mohammad A. A. K. Jalwana, Mohammed Bennamoun, Wei Liu, Syed Afaq Ali Shah
2020 J jnl
CoRR
Naeha Sharif, Mohammed Bennamoun, Wei Liu, Syed Afaq Ali Shah
2020 Misc conf
DICTA
Naeha Sharif, Lyndon White, Mohammed Bennamoun, Wei Liu, Syed Afaq Ali Shah
2020 J jnl
CoRR
Naeha Sharif, Lyndon White, Mohammed Bennamoun, Wei Liu, Syed Afaq Ali Shah
2019 J jnl
Int. J. Comput. Vis.
Naeha Sharif, Lyndon White, Mohammed Bennamoun, Wei Liu, Syed Afaq Ali Shah
2018 conf
ACL (3)
Naeha Sharif, Lyndon White, Mohammed Bennamoun, Syed Afaq Ali Shah
2018 conf
ECCV (8)
Naeha Sharif, Lyndon White, Mohammed Bennamoun, Syed Afaq Ali Shah
2014 J jnl
IET Circuits Devices Syst.
Faiq Khalid Lodhi, Syed Rafay Hasan, Naeha Sharif, Nadra Ramzan, Osman Hasan
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()