debug_api.py

#!/usr/bin/env python3
"""
Debug script to check API status and endpoints
"""

import requests
import json

def check_space_status():
    """Check if the space is running"""
    print("🔍 Checking space status...")
    
    try:
        # Check main page
        response = requests.get("https://hanszhu-dense-captioning-platform.hf.space/")
        print(f"Main page status: {response.status_code}")
        
        if response.status_code == 200:
            print("✅ Space is accessible")
        else:
            print("❌ Space is not accessible")
            
    except Exception as e:
        print(f"❌ Error checking space: {e}")

def check_api_endpoints():
    """Check various API endpoints"""
    print("\n🔍 Checking API endpoints...")
    
    base_url = "https://hanszhu-dense-captioning-platform.hf.space"
    
    endpoints = [
        "/",
        "/api",
        "/api/predict",
        "/predict",
        "/api/predict/",
        "/predict/"
    ]
    
    for endpoint in endpoints:
        try:
            response = requests.get(f"{base_url}{endpoint}")
            print(f"{endpoint}: {response.status_code} - {response.headers.get('content-type', 'unknown')}")
            
            if response.status_code == 200:
                print(f"  Content preview: {response.text[:100]}...")
                
        except Exception as e:
            print(f"{endpoint}: Error - {e}")

def test_post_request():
    """Test POST request to predict endpoint"""
    print("\n🔍 Testing POST request...")
    
    try:
        # Test URL
        test_url = "https://raw.githubusercontent.com/gradio-app/gradio/main/test/test_files/bus.png"
        
        # Try different POST formats
        test_data = [
            {"data": [test_url]},
            {"fn_index": 0, "data": [test_url]},
            {"data": test_url},
            test_url
        ]
        
        for i, data in enumerate(test_data):
            print(f"\nTest {i+1}: {type(data)}")
            
            try:
                response = requests.post(
                    "https://hanszhu-dense-captioning-platform.hf.space/predict",
                    json=data,
                    headers={"Content-Type": "application/json"}
                )
                
                print(f"  Status: {response.status_code}")
                print(f"  Content-Type: {response.headers.get('content-type', 'unknown')}")
                print(f"  Response: {response.text[:200]}...")
                
            except Exception as e:
                print(f"  Error: {e}")
                
    except Exception as e:
        print(f"❌ Error in POST test: {e}")

def test_gradio_client_detailed():
    """Test gradio_client with detailed error handling"""
    print("\n🔍 Testing gradio_client with detailed error handling...")
    
    try:
        from gradio_client import Client
        
        print("Creating client...")
        client = Client("hanszhu/Dense-Captioning-Platform")
        
        print("Getting space info...")
        info = client.view_api()
        print(f"API info: {info}")
        
        print("Making prediction...")
        test_url = "https://raw.githubusercontent.com/gradio-app/gradio/main/test/test_files/bus.png"
        result = client.predict(test_url, api_name="/predict")
        
        print(f"✅ Success! Result: {result}")
        
    except Exception as e:
        print(f"❌ gradio_client error: {e}")
        import traceback
        traceback.print_exc()

if __name__ == "__main__":
    print("🚀 Debugging Dense Captioning Platform API")
    print("=" * 60)
    
    check_space_status()
    check_api_endpoints()
    test_post_request()
    test_gradio_client_detailed()
    
    print("\n" + "=" * 60)
    print("�� Debug completed!")