Update app.py

app.py

@@ -12,6 +12,7 @@ from pathlib import Path
 import spaces
 import gc
 from huggingface_hub import hf_hub_download
+import threading
 
 # Latest and best open-source models
 from transformers import AutoTokenizer, AutoModelForCausalLM, pipeline
@@ -38,6 +39,9 @@ except ImportError:
     TRITON_AVAILABLE = False
     print("⚠️ Triton not available - using standard operations")
 
+# Global lock to prevent concurrent generations
+generation_lock = threading.Lock()
+
 class ProfessionalCartoonFilmGenerator:
     def __init__(self):
         self.device = "cuda" if torch.cuda.is_available() else "cpu"
@@ -1237,7 +1241,21 @@ def create_professional_cartoon_film(script):
         }
         return None, empty_response, "❌ Please enter a script", [], []
     
-    return generator.generate_professional_cartoon_film(script)
+    # Check if another generation is in progress
+    if not generation_lock.acquire(blocking=False):
+        busy_response = {
+            "error": True,
+            "message": "Generation already in progress",
+            "characters": [],
+            "scenes": [],
+            "style": "Please wait for current generation to complete"
+        }
+        return None, busy_response, "⏳ Another generation is in progress. Please wait and try again.", [], []
+    
+    try:
+        return generator.generate_professional_cartoon_film(script)
+    finally:
+        generation_lock.release()
 
 # Professional Gradio Interface
 with gr.Blocks(
@@ -1287,6 +1305,19 @@ with gr.Blocks(
     - Filmmakers prototyping animated concepts  
     - Educators creating engaging educational content
     - Anyone wanting Disney-quality cartoon films
+    
+    ---
+    
+    **⚠️ Current Status:**
+    - ✅ **Storage System:** Fixed for Hugging Face Spaces
+    - ⚠️ **FLUX Models:** Require authentication token (using Stable Diffusion fallback)
+    - ⚠️ **Open-Sora:** Using static video fallback for stability
+    - ✅ **File Downloads:** Available through Gradio galleries below
+    
+    **💡 To unlock full FLUX quality:**
+    1. Get token from [Hugging Face Settings](https://huggingface.co/settings/tokens)
+    2. Accept [FLUX License](https://huggingface.co/black-forest-labs/FLUX.1-dev)
+    3. Add token as Space secret: `HF_TOKEN`
     """)
     
     with gr.Row():
@@ -1321,6 +1352,14 @@ The more details you provide about characters, setting, and emotion, the better
             """)
         
         with gr.Column(scale=1):
+            gr.Markdown("""
+            **⚠️ Important Notes:**
+            - Only **ONE generation at a time** - multiple clicks will be queued
+            - **Processing takes 8-12 minutes** - please be patient
+            - **Files auto-download** through galleries below
+            - **Storage fixed** for Hugging Face Spaces compatibility
+            """)
+            
             video_output = gr.Video(
                 label="🎬 Professional Cartoon Film",
                 height=500