release: 1.1.401C

CHANGELOG.md

@@ -8,6 +8,16 @@ The format is based on [Keep a Changelog](https://keepachangelog.com/en/1.0.0/).
 
 Nothing unreleased!
 
+## [1.1.401] - 2024-08-02
+
+### Changed
+
+- Directly log step input args by name instead of wrapping them in "args" for readability.
+
+### Fixed
+
+- Langchain Callback handler ValueError('not enough values to unpack (expected 2, got 0)')
+
 ## [1.1.400] - 2024-07-29
 
 ### Changed

backend/chainlit/step.py

@@ -3,6 +3,7 @@
 import json
 import time
 import uuid
+from copy import deepcopy
 from functools import wraps
 from typing import Callable, Dict, List, Optional, TypedDict, Union
 
@@ -64,6 +65,13 @@ class StepDict(TypedDict, total=False):
     feedback: Optional[FeedbackDict]
 
 
+def flatten_args_kwargs(func, *args, **kwargs):
+    signature = inspect.signature(func)
+    bound_arguments = signature.bind(*args, **kwargs)
+    bound_arguments.apply_defaults()
+    return {k: deepcopy(v) for k, v in bound_arguments.arguments.items()}
+
+
 def step(
     original_function: Optional[Callable] = None,
     *,
@@ -98,7 +106,7 @@ async def async_wrapper(*args, **kwargs):
                     show_input=show_input,
                 ) as step:
                     try:
-                        step.input = {"args": args, "kwargs": kwargs}
+                        step.input = flatten_args_kwargs(func, args, kwargs)
                     except:
                         pass
                     result = await func(*args, **kwargs)
@@ -125,7 +133,7 @@ def sync_wrapper(*args, **kwargs):
                     show_input=show_input,
                 ) as step:
                     try:
-                        step.input = {"args": args, "kwargs": kwargs}
+                        step.input = flatten_args_kwargs(func, args, kwargs)
                     except:
                         pass
                     result = func(*args, **kwargs)

backend/pyproject.toml

@@ -1,6 +1,6 @@
 [tool.poetry]
 name = "chainlit"
-version = "1.1.400"
+version = "1.1.401"
 keywords = [
     'LLM',
     'Agents',