Slack 工具包集成

import getpass
import os

if not os.getenv("SLACK_USER_TOKEN"):
    os.environ["SLACK_USER_TOKEN"] = getpass.getpass("Enter your Slack user token: ")

os.environ["LANGSMITH_API_KEY"] = getpass.getpass("Enter your LangSmith API key: ")
os.environ["LANGSMITH_TRACING"] = "true"

pip install -qU langchain-community slack_sdk

pip install -qU beautifulsoup4 # 这是可选的，但对解析 HTML 消息很有用

from langchain_community.agent_toolkits import SlackToolkit

toolkit = SlackToolkit()

tools = toolkit.get_tools()

tools

[SlackGetChannel(client=<slack_sdk.web.client.WebClient object at 0x113caa8c0>),
 SlackGetMessage(client=<slack_sdk.web.client.WebClient object at 0x113caa4d0>),
 SlackScheduleMessage(client=<slack_sdk.web.client.WebClient object at 0x113caa440>),
 SlackSendMessage(client=<slack_sdk.web.client.WebClient object at 0x113caa410>)]

from langchain_openai import ChatOpenAI
from langchain.agents import create_agent


model = ChatOpenAI(model="gpt-5.4-mini")

agent_executor = create_agent(model, tools)

example_query = "When was the #general channel created?"

events = agent_executor.stream(
    {"messages": [("user", example_query)]},
    stream_mode="values",
)
for event in events:
    message = event["messages"][-1]
    if message.type != "tool":  # mask sensitive information
        event["messages"][-1].pretty_print()

================================ Human Message =================================

When was the #general channel created?
================================== Ai Message ==================================
Tool Calls:
  get_channelid_name_dict (call_NXDkALjoOx97uF1v0CoZTqtJ)
 Call ID: call_NXDkALjoOx97uF1v0CoZTqtJ
  Args:
================================== Ai Message ==================================

The #general channel was created on timestamp 1671043305.

example_query = "Send a friendly greeting to channel C072Q1LP4QM."

events = agent_executor.stream(
    {"messages": [("user", example_query)]},
    stream_mode="values",
)
for event in events:
    message = event["messages"][-1]
    if message.type != "tool":  # mask sensitive information
        event["messages"][-1].pretty_print()

================================ Human Message =================================

Send a friendly greeting to channel C072Q1LP4QM.
================================== Ai Message ==================================
Tool Calls:
  send_message (call_xQxpv4wFeAZNZgSBJRIuaizi)
 Call ID: call_xQxpv4wFeAZNZgSBJRIuaizi
  Args:
    message: Hello! Have a great day!
    channel: C072Q1LP4QM
================================== Ai Message ==================================

I have sent a friendly greeting to the channel C072Q1LP4QM.