app.py

python
import io
import base64
import torch
from PIL import Image
from flask import Flask, request, jsonify
from diffusers import StableDiffusionPipeline

app = Flask(__name__)

# Load the model
model_name = "colt12/maxcushion"
try:
    print("Loading model...")
    pipe = StableDiffusionPipeline.from_pretrained(model_name, torch_dtype=torch.float16)
    pipe = pipe.to("cuda" if torch.cuda.is_available() else "cpu")
    print("Model loaded successfully.")
except Exception as e:
    print(f"Error loading model: {str(e)}")
    raise

def generate_image(prompt):
    with torch.no_grad():
        image = pipe(prompt).images[0]
    
    buffered = io.BytesIO()
    image.save(buffered, format="PNG")
    image_base64 = base64.b64encode(buffered.getvalue()).decode("utf-8")
    
    return image_base64

@app.route('/', methods=['GET'])
def home():
    return "Welcome to the Image Generation API. Use the /generate endpoint to generate images from prompts."

@app.route('/generate', methods=['POST'])
def run():
    if 'prompt' not in request.json:
        return jsonify({"error": "No prompt provided"}), 400
    
    prompt = request.json['prompt']
    
    try:
        result = generate_image(prompt)
        return jsonify({"image": result})
    except Exception as e:
        return jsonify({"error": str(e)}), 500

if __name__ == "__main__":
    app.run(host='0.0.0.0', port=5000)