From fefa7766aca8358986ac2a0e315e6ededbe84d3d Mon Sep 17 00:00:00 2001
From: Anindya Maiti <am@ou.edu>
Date: Sat, 22 Feb 2025 20:27:57 -0600
Subject: [PATCH] Add 'api-txt2img/generate_cat_images.py'

---
 api-txt2img/generate_cat_images.py | 63 ++++++++++++++++++++++++++++++
 1 file changed, 63 insertions(+)
 create mode 100644 api-txt2img/generate_cat_images.py

diff --git a/api-txt2img/generate_cat_images.py b/api-txt2img/generate_cat_images.py
new file mode 100644
index 0000000..f09aeb2
--- /dev/null
+++ b/api-txt2img/generate_cat_images.py
@@ -0,0 +1,63 @@
+import random
+import requests
+import io
+import base64
+from PIL import Image
+
+def generate_cat_images(ip, port, model_params, prompt="a cat", num_images=5):
+    for i in range(num_images):
+        # Generate a random seed for each image
+        seed = random.randint(0, 4294967295)
+        
+        # Build the payload for the txt2img API endpoint
+        payload = {
+            "prompt": prompt,
+            "negative_prompt": "",  # Modify if needed
+            "sd_model_checkpoint": model_params["model"],
+            "steps": model_params["steps"],
+            "cfg_scale": model_params["cfg_scale"],
+            "width": model_params["width"],
+            "height": model_params["height"],
+            "sampler_index": model_params["sampler"],
+            "seed": seed
+        }
+        
+        try:
+            # Include the custom port in the URL
+            response = requests.post(
+                url=f'http://{ip}:{port}/sdapi/v1/txt2img', 
+                json=payload, 
+                timeout=30
+            )
+            response.raise_for_status()  # Check for HTTP errors
+            r = response.json()
+            
+            # Process returned images (the API returns a list in r['images'])
+            for img_data in r.get('images', []):
+                # Remove any header if present (e.g., "data:image/png;base64,")
+                img_base64 = img_data.split(",", 1)[-1]
+                image = Image.open(io.BytesIO(base64.b64decode(img_base64)))
+                
+                # Save the image with a unique filename
+                filename = f"cat_{i}.png"
+                image.save(filename)
+                print(f"Saved {filename}")
+        except requests.exceptions.Timeout:
+            print(f"Timeout occurred while generating image {i}")
+        except Exception as e:
+            print(f"An error occurred on iteration {i}: {e}")
+
+if __name__ == "__main__":
+    ip = "172.30.200.3"
+    port = 35000  # Custom port for the API
+    # Define your model parameters (update 'model' to your actual checkpoint name)
+    model_params = {
+        "model": "sd3.5_checkpoint.ckpt",  # Replace with your actual model checkpoint file
+        "steps": 20,
+        "cfg_scale": 7.0,
+        "width": 512,
+        "height": 512,
+        "sampler": "Euler"  # Adjust based on your setup
+    }
+    
+    generate_cat_images(ip, port, model_params, prompt="a cat", num_images=5)