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仕組みからわかる大規模言語モデル 生成AI時代のソフトウェア開発入門
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仕組みからわかる大規模言語モデル 生成AI時代のソフトウェア開発入門

by 奥田 勝己
February 2025
Intermediate
376 pages
9h 25m
Japanese
Shōeisha
Content preview from 仕組みからわかる大規模言語モデル 生成AI時代のソフトウェア開発入門
6
)
from langchain_core.messages import BaseMessage, HumanMessage, AIMessage
from langchain_core.tools import tool
from pydantic import BaseModel, Field
from langgraph.graph import END, StateGraph
from langgraph.prebuilt import ToolNode
ここでは、LangGraph
LangChainの他に、
subprocess
モジュールや
jsonschema
モジュー
ルなどをインポートしています。
subprocess
モジュールは外部プロセスを実行するために、
jsonschema
モジュールはJSON データのバリデーション(検証)のために使用します。なお、
ToolNode
LangGraph の事前定義済みノードの一つで、ツールを呼び出すためのノードです。
6.4.1では
tool_node
を自分で定義していましたが、ここでは同等機能を持つ
ToolNode
を使い
ます。
ツールの定義
次に、コードとテストを評価するためのツールを定義します。
# ツール定義
@tool
def evaluate(code: str, test: str) -> tuple[str, str]:
"""
コードをテストし、標準出力と標準エラーのペアを返す。
code: テスト対象のコード
test: pytestのテストコード ...
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Publisher Resources

ISBN: 9784798185613