Update app.py

app.py

@@ -133,12 +133,22 @@ Available tools:
 When a user asks for information that can be retrieved using these tools, you should:
 1. Identify which tool(s) would be helpful
 2. Call the appropriate tool(s) with the right parameters
-3. Interpret and present the results in a user-friendly way
+3. Wait for the results before providing your final response
 
 For SAP-related queries (purchase orders, requisitions), use the SAP tools.
 For news-related queries, use the news tools.
 
-You can call tools by responding with: CALL_TOOL: tool_name(parameter1=value1, parameter2=value2)
+To call a tool, use this exact format:
+CALL_TOOL: tool_name
+or 
+CALL_TOOL: tool_name(parameter1=value1, parameter2=value2)
+
+Examples:
+- For "show me purchase orders": CALL_TOOL: get_purchase_orders
+- For "get 20 purchase orders": CALL_TOOL: get_purchase_orders(top=20)
+- For "latest tech news": CALL_TOOL: get_news_headlines(category=technology)
+
+After calling a tool, I will provide you with the results to interpret for the user.
 """
     
     def extract_tool_calls(self, response: str) -> List[Dict[str, Any]]:
@@ -147,10 +157,13 @@ You can call tools by responding with: CALL_TOOL: tool_name(parameter1=value1, p
         lines = response.split('\n')
         
         for line in lines:
-            if line.strip().startswith('CALL_TOOL:'):
+            line = line.strip()
+            if line.startswith('CALL_TOOL:'):
                 try:
-                    tool_part = line.strip()[10:].strip()
+                    # Remove 'CALL_TOOL:' prefix and clean up
+                    tool_part = line[10:].strip()
                     
+                    # Handle cases with or without parentheses
                     if '(' in tool_part and ')' in tool_part:
                         tool_name = tool_part.split('(')[0].strip()
                         params_str = tool_part.split('(')[1].split(')')[0]
@@ -175,7 +188,16 @@ You can call tools by responding with: CALL_TOOL: tool_name(parameter1=value1, p
                             'name': tool_name,
                             'arguments': params
                         })
+                    else:
+                        # Simple tool call without parameters
+                        tool_name = tool_part.strip()
+                        tool_calls.append({
+                            'name': tool_name,
+                            'arguments': {}
+                        })
+                        
                 except Exception as e:
+                    print(f"Error parsing tool call '{line}': {e}")
                     continue
         
         return tool_calls
@@ -210,6 +232,10 @@ You can call tools by responding with: CALL_TOOL: tool_name(parameter1=value1, p
                 ai_response = response.choices[0].message.content
             tool_calls = self.extract_tool_calls(ai_response)
             
+            # Debug information
+            print(f"AI Response: {ai_response}")
+            print(f"Extracted tool calls: {tool_calls}")
+            
             if tool_calls:
                 tool_results = []