v2.2.1 — Fix ComfyUI integration: httpx, correct checkpoint, output path

- Use httpx instead of urllib for ComfyUI API calls
- Fix checkpoint name: NoobAI-XL-v1.1.safetensors
- Fix output directory: ~/comfy/ComfyUI/output/
- Mara portrait generated successfully (507KB PNG)

comfyui_integration.py

@@ -2,24 +2,24 @@
 NeonChat ComfyUI Integration — Profilbild-Generierung für Characters
 """
 
-import json, os, time, urllib.request, urllib.error
+import json, os, time, shutil
 from pathlib import Path
+import httpx
 
 COMFYUI_URL = os.environ.get("COMFYUI_URL", "http://localhost:8188")
-COMFYUI_OUTPUT_DIR = Path(os.environ.get("COMFYUI_OUTPUT", str(Path.home() / "comfy" / "output")))
+COMFYUI_OUTPUT_DIR = Path(os.environ.get("COMFYUI_OUTPUT", str(Path.home() / "comfy" / "ComfyUI" / "output")))
 CHARACTERS_DIR = Path(__file__).parent / "characters"
 AVATARS_DIR = Path(__file__).parent / "static" / "avatars"
 
 def is_comfyui_running() -> bool:
     try:
-        req = urllib.request.Request(f"{COMFYUI_URL}/system_stats", method="GET")
-        with urllib.request.urlopen(req, timeout=3) as resp:
-            return resp.status == 200
+        with httpx.Client(timeout=3) as client:
+            resp = client.get(f"{COMFYUI_URL}/system_stats")
+            return resp.status_code == 200
     except:
         return False
 
 def build_portrait_workflow(prompt: str, negative: str = "", width: int = 512, height: int = 512) -> dict:
-    """Baut einen ComfyUI Workflow für ein Porträtfoto."""
     return {
         "3": {
             "class_type": "KSampler",
@@ -38,7 +38,7 @@ def build_portrait_workflow(prompt: str, negative: str = "", width: int = 512, h
         },
         "4": {
             "class_type": "CheckpointLoaderSimple",
-            "inputs": {"ckpt_name": "noobaiXLNAIFP_vPred10Version.safetensors"}
+            "inputs": {"ckpt_name": "NoobAI-XL-v1.1.safetensors"}
         },
         "5": {
             "class_type": "EmptyLatentImage",
@@ -69,29 +69,20 @@ def build_portrait_workflow(prompt: str, negative: str = "", width: int = 512, h
     }
 
 def queue_prompt(workflow: dict) -> str:
-    """Schickt den Workflow an ComfyUI und gibt die Prompt-ID zurück."""
-    data = json.dumps({"prompt": workflow}).encode("utf-8")
-    req = urllib.request.Request(
-        f"{COMFYUI_URL}/prompt",
-        data=data,
-        headers={"Content-Type": "application/json"},
-        method="POST"
-    )
-    with urllib.request.urlopen(req, timeout=10) as resp:
-        result = json.loads(resp.read())
+    with httpx.Client(timeout=10) as client:
+        resp = client.post(f"{COMFYUI_URL}/prompt", json={"prompt": workflow})
+        result = resp.json()
         return result.get("prompt_id", "")
 
 def get_history(prompt_id: str) -> dict:
-    """Holt den Verlauf eines Prompts um das fertige Bild zu finden."""
     try:
-        req = urllib.request.Request(f"{COMFYUI_URL}/history/{prompt_id}", method="GET")
-        with urllib.request.urlopen(req, timeout=5) as resp:
-            return json.loads(resp.read())
+        with httpx.Client(timeout=5) as client:
+            resp = client.get(f"{COMFYUI_URL}/history/{prompt_id}")
+            return resp.json()
     except:
         return {}
 
-def wait_for_image(prompt_id: str, timeout: int = 120) -> str | None:
-    """Wartet bis das Bild fertig ist und gibt den Dateinamen zurück."""
+def wait_for_image(prompt_id: str, timeout: int = 180) -> str | None:
     start = time.time()
     while time.time() - start < timeout:
         history = get_history(prompt_id)
@@ -101,20 +92,15 @@ def wait_for_image(prompt_id: str, timeout: int = 120) -> str | None:
                 images = outputs["9"].get("images", [])
                 if images:
                     return images[0].get("filename", "")
-        time.sleep(2)
+        time.sleep(3)
     return None
 
 def generate_portrait(character_name: str, description: str) -> str | None:
-    """
-    Generiert ein Profilbild für einen Character via ComfyUI.
-    Gibt den Pfad zur gespeicherten Datei zurück, oder None bei Fehler.
-    """
     if not is_comfyui_running():
         return None
     
     AVATARS_DIR.mkdir(parents=True, exist_ok=True)
     
-    # Build prompt from character description
     prompt = f"anime style, {description}, simple background, headshot"
     negative = "blurry, deformed, ugly, realistic"
     
@@ -125,19 +111,16 @@ def generate_portrait(character_name: str, description: str) -> str | None:
         if not prompt_id:
             return None
         
-        filename = wait_for_image(prompt_id, timeout=120)
+        filename = wait_for_image(prompt_id, timeout=180)
         if not filename:
             return None
         
-        # Find the image in ComfyUI output
         comfy_output = COMFYUI_OUTPUT_DIR / filename
         if not comfy_output.exists():
             return None
         
-        # Copy to avatars dir
         safe_name = character_name.lower().replace(" ", "_")
         dest = AVATARS_DIR / f"{safe_name}.png"
-        import shutil
         shutil.copy2(str(comfy_output), str(dest))
         
         return f"/static/avatars/{safe_name}.png"