Flux Image Generation API

from openai import OpenAI

# Initialize client
client = OpenAI(
    api_key="YOUR_API_KEY",
    base_url="https://api.yelinai.com/v1"
)

# Generate image (full parameters version)
def generate_flux_image(prompt, aspect_ratio="1:1", model="flux-kontext-pro",
                       seed=None, safety_tolerance=2, output_format="jpeg",
                       prompt_upsampling=False):
    """
    Generate Flux image
    
    Parameters:
    - prompt: Image description text
    - aspect_ratio: Aspect ratio (3:7 to 7:3)
    - model: Model selection
    - seed: Random seed for reproducibility
    - safety_tolerance: Content safety level (0-6)
    - output_format: Output format "jpeg" or "png"
    - prompt_upsampling: Whether to enhance prompt
    """
    try:
        # Build extra_body parameters
        extra_params = {
            "aspect_ratio": aspect_ratio,
            "safety_tolerance": safety_tolerance,
            "output_format": output_format,
            "prompt_upsampling": prompt_upsampling
        }
        
        # Optional parameters
        if seed is not None:
            extra_params["seed"] = seed
        
        response = client.images.generate(
            model=model,
            prompt=prompt,
            extra_body=extra_params
        )
        
        # Get image URL (note: expires after 10 minutes)
        image_url = response.data[0].url
        return image_url
    
    except Exception as e:
        print(f"Generation failed: {e}")
        return None

# Usage example
image_url = generate_flux_image(
    prompt="A futuristic city with flying cars and neon lights",
    aspect_ratio="16:9",
    model="flux-kontext-pro",
    seed=42,  # Fixed seed for reproducibility
    safety_tolerance=2,  # Default safety level
    output_format="png",  # High-quality PNG format
    prompt_upsampling=True  # Enhance prompt effect
)

if image_url:
    print(f"Generated image: {image_url}")
    print("⚠️ Note: URL will expire after 10 minutes, download promptly!")

import time
import requests

class FluxImageManager:
    """Flux image generation and download manager"""
    
    def __init__(self, api_key, base_url="https://api.yelinai.com/v1"):
        self.client = OpenAI(api_key=api_key, base_url=base_url)
        
    def generate_and_save(self, prompt, **kwargs):
        """Generate image and save immediately"""
        start_time = time.time()
        
        # Generate image
        image_url = generate_flux_image(prompt, **kwargs)
        if not image_url:
            return None
            
        # Download immediately (avoid timeout)
        elapsed = time.time() - start_time
        if elapsed > 540:  # Over 9 minutes
            print("⚠️ Warning: Approaching URL expiration time!")
        
        # Download and save
        filename = f"flux_{int(time.time())}.png"
        try:
            response = requests.get(image_url, timeout=30)
            response.raise_for_status()
            
            with open(filename, 'wb') as f:
                f.write(response.content)
                
            print(f"✅ Saved: {filename} (elapsed: {elapsed:.1f}s)")
            return filename
            
        except Exception as e:
            print(f"❌ Download failed: {e}")
            return None

# ❌ Too simple
prompt = "cat"

# ✅ Detailed description
prompt = """
A majestic orange tabby cat sitting by a window,
golden hour lighting, soft focus background,
professional pet photography style,
warm and cozy atmosphere
"""

# ✅ Use prompt_upsampling to enhance simple prompts
enhanced_result = generate_flux_image(
    prompt="cat by window",
    prompt_upsampling=True  # AI automatically expands and optimizes prompt
)

# ✅ Artistic style prompts
artistic_prompt = """
A surreal landscape painting in the style of Salvador Dali,
melting clocks draped over twisted trees,
vibrant sunset colors bleeding into a starry night sky,
hyper-detailed, dreamlike atmosphere
"""

# Download batch processing script
wget https://raw.githubusercontent.com/laozhang-api/ai-api-code-samples/main/flux-Image-API/flux-simple-batch.sh
chmod +x flux-simple-batch.sh

# Modify configuration
# 1. Set your API_KEY
# 2. Configure image pair array
# 3. Customize processing prompt

# Run batch processing
./flux-simple-batch.sh