fix(utils.py): function_setup empty message fix

fixes https://github.com/BerriAI/litellm/issues/2858

litellm/tests/test_function_setup.py

@@ -0,0 +1,33 @@
+# What is this?
+## Unit tests for the 'function_setup()' function
+import sys, os
+import traceback
+from dotenv import load_dotenv
+
+load_dotenv()
+import os, io
+
+sys.path.insert(
+    0, os.path.abspath("../..")
+)  # Adds the parent directory to the, system path
+import pytest, uuid
+from litellm.utils import function_setup, Rules
+from datetime import datetime
+
+
+def test_empty_content():
+    """
+    Make a chat completions request with empty content -> expect this to work
+    """
+    rules_obj = Rules()
+
+    def completion():
+        pass
+
+    function_setup(
+        original_function=completion,
+        rules_obj=rules_obj,
+        start_time=datetime.now(),
+        messages=[],
+        litellm_call_id=str(uuid.uuid4()),
+    )

litellm/utils.py

@@ -2381,25 +2381,12 @@ class Rules:
 
 ####### CLIENT ###################
 # make it easy to log if completion/embedding runs succeeded or failed + see what happened | Non-Blocking
-def client(original_function):
-    global liteDebuggerClient, get_all_keys
-    rules_obj = Rules()
-
 def function_setup(
-        start_time, *args, **kwargs
+    original_function, rules_obj, start_time, *args, **kwargs
 ):  # just run once to check if user wants to send their data anywhere - PostHog/Sentry/Slack/etc.
     try:
         global callback_list, add_breadcrumb, user_logger_fn, Logging
         function_id = kwargs["id"] if "id" in kwargs else None
-            if litellm.use_client or (
-                "use_client" in kwargs and kwargs["use_client"] == True
-            ):
-                if "lite_debugger" not in litellm.input_callback:
-                    litellm.input_callback.append("lite_debugger")
-                if "lite_debugger" not in litellm.success_callback:
-                    litellm.success_callback.append("lite_debugger")
-                if "lite_debugger" not in litellm.failure_callback:
-                    litellm.failure_callback.append("lite_debugger")
         if len(litellm.callbacks) > 0:
             for callback in litellm.callbacks:
                 if callback not in litellm.input_callback:
@@ -2522,7 +2509,7 @@ def client(original_function):
                     input="".join(
                         m.get("content", "")
                         for m in messages
-                            if isinstance(m["content"], str)
+                        if "content" in m and isinstance(m["content"], str)
                     ),
                     model=model,
                 )
@@ -2585,6 +2572,11 @@ def client(original_function):
         )
         raise e
 
+
+def client(original_function):
+    global liteDebuggerClient, get_all_keys
+    rules_obj = Rules()
+
     def check_coroutine(value) -> bool:
         if inspect.iscoroutine(value):
             return True
@@ -2677,7 +2669,9 @@ def client(original_function):
 
         try:
             if logging_obj is None:
-                logging_obj, kwargs = function_setup(start_time, *args, **kwargs)
+                logging_obj, kwargs = function_setup(
+                    original_function, rules_obj, start_time, *args, **kwargs
+                )
             kwargs["litellm_logging_obj"] = logging_obj
 
             # CHECK FOR 'os.environ/' in kwargs
@@ -2985,7 +2979,9 @@ def client(original_function):
 
         try:
             if logging_obj is None:
-                logging_obj, kwargs = function_setup(start_time, *args, **kwargs)
+                logging_obj, kwargs = function_setup(
+                    original_function, rules_obj, start_time, *args, **kwargs
+                )
             kwargs["litellm_logging_obj"] = logging_obj
 
             # [OPTIONAL] CHECK BUDGET