Onur Eker

15 papers C 1Journal 7Unranked 7
YearRankTypeTitle / Venue / Authors
2026 J jnl
IEEE Robotics Autom. Lett.
Onur Eker, Erkut Erdem, Aykut Erdem
2024 conf
SIU
Nermin Nur Aydogar, Ertugrul Cengiz, Murat Bal, Onur Eker
2024 conf
ECCV Workshops (24)
Burak Ercan, Onur Eker, Aykut Erdem, Erkut Erdem
2024 J jnl
CoRR
Burak Ercan, Onur Eker, Aykut Erdem, Erkut Erdem
2024 J jnl
IEEE Trans. Image Process.
Burak Ercan, Onur Eker, Canberk Saglam, Aykut Erdem, Erkut Erdem
2023 conf
SIU
Burak Ercan, Mehmet Fatih Özdemir, Onur Eker, Mehmet Can Baytekin, Murat Bal
2023 conf
CVPR Workshops
Burak Ercan, Onur Eker, Aykut Erdem, Erkut Erdem
2023 J jnl
CoRR
Burak Ercan, Onur Eker, Aykut Erdem, Erkut Erdem
2023 J jnl
CoRR
Burak Ercan, Onur Eker, Canberk Saglam, Aykut Erdem, Erkut Erdem
2022 J jnl
CoRR
Onur Eker, Murat Bal
2022 conf
VISIGRAPP (4: VISAPP)
Onur Eker, Burak Ercan, Berkant Bayraktar, Murat Bal
2021 J jnl
Turkish J. Electr. Eng. Comput. Sci.
Nazlican Gengeç, Onur Eker, Hakan Çevikalp, Ahmet Yazici, Hasan Serhan Yavuz
2019 conf
CVPR Workshops
Hasan Saribas, Bedirhan Uzun, Burak Benligiray, Onur Eker, Hakan Cevikalp
2019 conf
SIU
Bedirhan Uzun, Onur Eker, Hasan Saribas, Hakan Çevikalp
2015 C conf
HPSR
Zhe Li, Jean-Charles Point, Selami Çiftçi, Onur Eker, Giulia Mauri, Marco Savi, Giacomo Verticale
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()