fix: fix the issue of bind_tools not working. now, any model with tool tag can use toolkit (if you don't have OpenAI API key, some analysis are ignored.

tradingagents/agents/utils/safe_bind_tools.py

@@ -25,15 +25,44 @@ log = logging.getLogger(__name__)
 
 def _ollama_has_tools_flag(model_name: str) -> bool:
     """
-    Return True iff `ollama show <model_name>` contains `"tools": true`.
+    Return True iff `ollama show <model_name>` contains tools capability.
     If the command fails (e.g. Windows, sandbox), fall back to False.
     """
     try:
         output = subprocess.check_output(
             shlex.split(f"ollama show {model_name}"), text=True
         )
-        return '"tools": true' in output
-    except (NotImplementedError, AttributeError) as e:
+        # Check for multiple possible tools indicators
+        tools_indicators = [
+            '"tools": true',  # Old format
+            'tools         ',  # New format in Capabilities section
+            'tools\n',        # Alternative new format
+            'tools\t',        # Tab-separated format
+        ]
+        
+        # Also check if we're in the Capabilities section
+        lines = output.split('\n')
+        in_capabilities = False
+        for line in lines:
+            line_stripped = line.strip().lower()
+            if 'capabilities' in line_stripped:
+                in_capabilities = True
+            elif in_capabilities and line_stripped and not line.startswith(' '):
+                # We've left the capabilities section
+                in_capabilities = False
+            elif in_capabilities and 'tools' in line_stripped:
+                log.debug("Found tools capability for model %s", model_name)
+                return True
+        
+        # Fallback to checking for any tools indicator
+        for indicator in tools_indicators:
+            if indicator in output:
+                log.debug("Found tools indicator '%s' for model %s", indicator, model_name)
+                return True
+                
+        log.debug("No tools capability found for model %s", model_name)
+        return False
+    except (NotImplementedError, AttributeError, subprocess.CalledProcessError) as e:
         log.debug("Could not inspect model %s: %s", model_name, e)
         return False
 
@@ -61,14 +90,18 @@ def safe_bind_tools(
     if not hasattr(llm, "bind_tools"):
         return llm
 
-    # Special-case ChatOllama: check the `"tools": true` tag first
-    if isinstance(llm, BaseChatModel) and not _ollama_has_tools_flag(llm.model):
-        log.info(
-            "[safe_bind_tools] Model %s lacks tools support -- skipping.",
-            llm.model,
-        )
-        return llm
-
+    # Special-case ChatOllama: check for tools capability
+    if llm.__class__.__name__ == 'ChatOllama':
+        # Get model name from different possible attributes
+        model_name = getattr(llm, 'model', None) or getattr(llm, 'model_name', None)
+        
+        if model_name and not _ollama_has_tools_flag(model_name):
+            log.info(
+                "[safe_bind_tools] Model %s lacks tools support -- skipping.",
+                model_name,
+            )
+            return llm
+    
     # Generic path: try to bind; fall back gracefully on failure
     try:
         return llm.bind_tools(tools)