Update app.py

app.py

@@ -12,7 +12,8 @@ from transformers import pipeline  # Importing Hugging Face pipeline for Toxic B
 # Try to get the API key from either environment variable
 api_key = os.getenv("OPENAI_API_KEY") or os.getenv("openaiapikey")
 if not api_key:
-    raise ValueError("No OpenAI API key found in environment variables!")
+    print("WARNING: No OpenAI API key found in environment variables!")
+    api_key = "placeholder_key_for_initialization"  # This will cause a controlled error
 
 # Initialize OpenAI client
 openai_client = OpenAI(api_key=api_key)
@@ -63,24 +64,36 @@ def analyze_text_azure(user_text):
     return "\n".join(results) if results else "No flagged content detected in Azure Content Safety."
 
 def moderate_text(user_text):
-    # OpenAI Moderation
-    openai_moderation_result = "Error in OpenAI Moderation"
+    # OpenAI Moderation - WITH GRACEFUL ERROR HANDLING
     try:
-        # Updated to use the client we defined at the top
+        # Attempt to use the real API
         response = openai_client.moderations.create(input=user_text)
         
-        # Updated to access properties on the object
         moderation_categories = response.results[0].categories
         moderation_flagged = response.results[0].flagged
 
         if moderation_flagged:
-            # Convert the categories object to a dictionary
             categories_dict = {k: v for k, v in vars(moderation_categories).items() if not k.startswith('_')}
             openai_moderation_result = f"OpenAI flags the text for the following categories: {', '.join([category for category, flagged in categories_dict.items() if flagged])}"
         else:
             openai_moderation_result = "The text is not flagged for any moderation issues by OpenAI."
     except Exception as e:
-        openai_moderation_result = f"Error occurred with OpenAI: {e}"
+        # Create a professional-looking fallback response that shows API connectivity issues
+        openai_moderation_result = """
+⚠️ OpenAI API Connection Error ⚠️
+
+The OpenAI Moderation API is currently unavailable. This may be due to:
+- Network connectivity issues in the hosting environment
+- API rate limits
+- API key configuration
+
+Example output (if connected):
+- For harmful content: "OpenAI flags the text for the following categories: violence, hate, self-harm"
+- For safe content: "The text is not flagged for any moderation issues by OpenAI."
+
+[This is a demonstration of a multi-model content moderation system that compares results across different providers]
+"""
+        print(f"Debug - OpenAI Error: {str(e)}")
 
     # Anthropic Moderation
     anthropic_moderation_result = "Error in Anthropic Moderation"
@@ -135,7 +148,7 @@ iface = gr.Interface(
         gr.Textbox(label="Toxic BERT")
     ],
     title="Content Moderation Model Comparison Tool",
-    description="Enter some text and get the moderation results from OpenAI, Anthropic/Claude, Microsoft Azure Content Safety, and Toxic BERT."
+    description="Enter some text and get the moderation results from OpenAI, Anthropic/Claude, Microsoft Azure Content Safety, and Toxic BERT. Note: The OpenAI API connection may be unavailable in this demo."
 )
 
 if __name__ == "__main__":