Merge master

config.py

@@ -86,6 +86,10 @@ MAX_PIXELS = 7000
 AVATAR_MAX_SIZE = 512
 JPEG_QUALITY = 85
 
+# Robohash Performance Optimization
+# Enable optimized robohash implementation for 6-22x performance improvement
+ROBOHASH_OPTIMIZATION_ENABLED = True
+
 # Robohash Configuration
 # Maximum number of robot parts to cache in memory (each ~50-200KB)
 ROBOHASH_CACHE_SIZE = 150  # ~10-30MB total cache size

ivatar/robohash_optimized.py

@@ -16,8 +16,9 @@ class OptimizedRobohash(Robohash):
     """
     Performance-optimized version of Robohash that:
     1. Caches directory structure to avoid repeated filesystem scans
-    2. Reduces natsort calls from 163 to ~10 per generation
-    3. Provides 2-6x performance improvement while maintaining 100% compatibility
+    2. Eliminates double resizing (1024x1024 -> target size)
+    3. Reduces natsort calls from 163 to ~10 per generation
+    4. Provides 6-22x performance improvement while maintaining 100% compatibility
     """
 
     # Class-level cache shared across all instances
@@ -226,7 +227,9 @@ class OptimizedRobohash(Robohash):
             # Add background if specified
             if background_path:
                 try:
-                    bg = Image.open(background_path).resize((1024, 1024))
+                    bg = Image.open(background_path).resize(
+                        (sizex, sizey), Image.LANCZOS
+                    )
                     bg.paste(roboimg, (0, 0), roboimg)
                     roboimg = bg
                 except Exception:

ivatar/views.py

@@ -27,6 +27,7 @@ from monsterid.id import build_monster as BuildMonster
 import Identicon
 from pydenticon5 import Pydenticon5
 import pagan
+from .robohash_optimized import create_optimized_robohash
 from .robohash_cached import create_robohash
 
 from ivatar.settings import AVATAR_MAX_SIZE, JPEG_QUALITY, DEFAULT_AVATAR_SIZE
@@ -273,6 +274,7 @@ class AvatarImageView(TemplateView):
                     return self._return_cached_png(monsterdata, data, uri)
                 if str(default) == "robohash":
                     roboset = request.GET.get("robohash") or "any"
+                    data = create_optimized_robohash(kwargs["digest"], size, roboset)
                     data = create_robohash(kwargs["digest"], size, roboset)
                     return self._return_cached_response(data, uri)
                 if str(default) == "retro":