Update app.py

app.py

@@ -30,14 +30,12 @@ class GifChatBot:
     def verify_gif_url(self, gif_url: str) -> bool:
         """Verify GIF URL with relaxed validation for GIPHY URLs"""
         try:
-            # Special handling for GIPHY media URLs
-            if 'media.giphy.com' in gif_url:
-                # GIPHY media URLs are always valid if they follow the pattern
-                if '/media/giphy.com/media/' in gif_url or 'giphy.gif' in gif_url:
-                    return True
-            
-            # For non-GIPHY URLs, do basic validation
-            head_response = self.session.head(gif_url, timeout=3)
+            # Special handling for GIPHY URLs: assume they are valid if they come from giphy.com/media
+            if "giphy.com/media" in gif_url or "giphy.gif" in gif_url:
+                return True
+
+            # Use HEAD request with allow_redirects to properly follow URL redirects
+            head_response = self.session.head(gif_url, timeout=3, allow_redirects=True)
             if head_response.status_code != 200:
                 print(f"HEAD request failed with status {head_response.status_code}")
                 return False
@@ -51,8 +49,8 @@ class GifChatBot:
 
         except Exception as error:
             print(f"GIF validation error: {error}")
-            # Be more lenient with GIPHY URLs even if validation fails
-            return 'media.giphy.com' in gif_url
+            # Be more lenient if the URL is from GIPHY
+            return "giphy.com/media" in gif_url
 
     def _is_good_quality_gif(self, gif: Dict) -> bool:
         """Comprehensive quality check for GIFs"""
@@ -282,8 +280,11 @@ class GifChatBot:
 
         try:
             # System message for the AI
-            system_message = """You are a supportive, empathetic friend who uses GIFs naturally and proactively in conversation regardless of whether the user request it or not. 
-            When using GIFs, deduce what type of terms or keywords maybe use to search the GIF and pick a reliable one randomly ."""
+            system_message = (
+                "You are a supportive, empathetic friend who uses GIFs naturally and proactively in conversation regardless of "
+                "whether the user requests it or not. When using GIFs, deduce what type of terms or keywords may be used to search "
+                "for the GIF and pick a reliable one randomly."
+            )
 
             # Prepare conversation history
             messages = [{"role": "system", "content": system_message}]
@@ -336,7 +337,7 @@ def create_interface():
     with gr.Blocks(theme=gr.themes.Soft()) as interface:
         gr.Markdown("""
         # 🎭 Friendly Chat Bot with GIFs
-        Chat with an empathetic AI friend who expresses themselves through GIFs that you can find and are non-broken! 
+        Chat with an empathetic AI friend who expresses themselves through GIFs that are verified to work! 
         Enter your API keys below to start.
         """)
         
@@ -399,11 +400,11 @@ def create_interface():
         
         gr.Markdown("""
         ### Tips:
-        - Always check whether the gif is broken or not before sending. Only send the non-broken ones. 
+        - Always check whether the GIF is broken or not before sending. Only non-broken GIFs will be used.
         """)
     
     return interface
 
 if __name__ == "__main__":
     demo = create_interface()
-    demo.launch()
+    demo.launch()