feat: replace DiceBear avatar proxy with local Multiavatar SVG generation and remove avatar_style from signup

devplacepy/avatar.py

@@ -2,39 +2,22 @@ import logging
 
 logger = logging.getLogger(__name__)
 
-AVATAR_STYLES = [
-    "adventurer",
-    "adventurer-neutral",
-    "avataaars",
-    "big-ears",
-    "big-smile",
-    "bottts",
-    "croodles",
-    "fun-emoji",
-    "identicon",
-    "initials",
-    "lorelei",
-    "micah",
-    "miniavs",
-    "notionists",
-    "open-peeps",
-    "personas",
-    "pixel-art",
-    "shapes",
-    "thumbs",
-]
-
-DICEBEAR_BASE = "https://api.dicebear.com/9.x"
-
 
 def avatar_url(style: str, seed: str, size: int = 128) -> str:
-    style = style or "initials"
     return f"/avatar/{style}/{seed}?size={size}"
 
 
-def dicebear_proxy_url(style: str, seed: str, size: int = 128) -> str:
-    return f"{DICEBEAR_BASE}/{style}/svg?seed={seed}&size={size}"
-
-
-def avatar_styles():
-    return AVATAR_STYLES
+def generate_avatar_svg(seed: str) -> str:
+    try:
+        from multiavatar import multiavatar
+        svg = multiavatar(seed)
+        if svg and svg.strip().startswith("<svg"):
+            return svg
+    except Exception as e:
+        logger.warning(f"Avatar generation failed for {seed}: {e}")
+    initial = seed[:1].upper() if seed else "?"
+    return (
+        '<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 100 100">'
+        f'<rect width="100" height="100" rx="50" fill="#ff6b35"/>'
+        f'<text x="50" y="65" text-anchor="middle" fill="white" font-size="40" font-weight="700" font-family="sans-serif">{initial}</text></svg>'
+    )