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make langchain optional in xray #299

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Merged
recursix merged 2 commits into from
Oct 3, 2025
Merged

make langchain optional in xray #299

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make langchain optional in xray
amanjaiswal73892 Oct 2, 2025
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amanjaiswal73892 Oct 2, 2025
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12 changes: 9 additions & 3 deletions src/agentlab/analyze/agent_xray.py
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Original file line number Diff line number Diff line change
Expand Up @@ -14,7 +14,6 @@
import pandas as pd
from attr import dataclass
from browsergym.experiments.loop import StepInfo as BGymStepInfo
from langchain.schema import BaseMessage, HumanMessage
from openai import OpenAI
from openai.types.responses import ResponseFunctionToolCall
from PIL import Image
Expand All @@ -30,6 +29,11 @@
from agentlab.llm.llm_utils import Discussion
from agentlab.llm.response_api import MessageBuilder, ToolCalls

try:
from langchain.schema import BaseMessage, HumanMessage
except ImportError:
BaseMessage, HumanMessage = None, None

select_dir_instructions = "Select Experiment Directory"
AGENT_NAME_KEY = "agent.agent_name"
TASK_NAME_KEY = "env.task_name"
Expand Down Expand Up @@ -746,7 +750,7 @@ def format_chat_message(message: BaseMessage | MessageBuilder | dict):
"""
Format a message to markdown.
"""
if isinstance(message, BaseMessage):
if BaseMessage and isinstance(message, BaseMessage):
return message.content
elif isinstance(message, MessageBuilder):
return message.to_markdown()
Expand Down Expand Up @@ -859,7 +863,9 @@ def submit_action(input_text):
global info
agent_info = info.exp_result.steps_info[info.step].agent_info
chat_messages = deepcopy(agent_info.get("chat_messages", ["No Chat Messages"])[:2])
if isinstance(chat_messages[1], BaseMessage): # TODO remove once langchain is deprecated
if BaseMessage and isinstance(
chat_messages[1], BaseMessage
): # TODO remove once langchain is deprecated
assert isinstance(chat_messages[1], HumanMessage), "Second message should be user"
chat_messages = [
make_system_message(chat_messages[0].content),
Expand Down
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