AutoGen

import weave
weave.init("autogen-demo")

# !pip install -q chromadb 
# 環境に chromadb がインストールされていることを確認してください: `pip install chromadb`

import re
from typing import List
import os
from pathlib import Path

import aiofiles
import aiohttp

from autogen_core.memory import Memory, MemoryContent, MemoryMimeType
from autogen_ext.memory.chromadb import (
    ChromaDBVectorMemory,
    PersistentChromaDBVectorMemoryConfig,
)

class SimpleDocumentIndexer:
    def __init__(self, memory: Memory, chunk_size: int = 1500) -> None:
        self.memory = memory
        self.chunk_size = chunk_size

    async def _fetch_content(self, source: str) -> str:
        if source.startswith(("http://", "https://")):
            async with aiohttp.ClientSession() as session:
                async with session.get(source) as response:
                    return await response.text()
        else:
            async with aiofiles.open(source, "r", encoding="utf-8") as f:
                return await f.read()

    def _strip_html(self, text: str) -> str:
        text = re.sub(r"<[^>]*>", " ", text)
        text = re.sub(r"\\s+", " ", text)
        return text.strip()

    def _split_text(self, text: str) -> List[str]:
        chunks: list[str] = []
        for i in range(0, len(text), self.chunk_size):
            chunk = text[i : i + self.chunk_size]
            chunks.append(chunk.strip())
        return chunks

    async def index_documents(self, sources: List[str]) -> int:
        total_chunks = 0
        for source in sources:
            try:
                content = await self._fetch_content(source)
                if "<" in content and ">" in content:
                    content = self._strip_html(content)
                chunks = self._split_text(content)
                for i, chunk in enumerate(chunks):
                    await self.memory.add(
                        MemoryContent(
                            content=chunk,
                            mime_type=MemoryMimeType.TEXT,
                            metadata={"source": source, "chunk_index": i},
                        )
                    )
                total_chunks += len(chunks)
            except Exception as e:
                print(f"Error indexing {source}: {str(e)}")
        return total_chunks

@weave.op
async def run_rag_agent(model_name="gpt-4o"):
    rag_memory = ChromaDBVectorMemory(
        config=PersistentChromaDBVectorMemoryConfig(
            collection_name="autogen_docs",
            persistence_path=os.path.join(str(Path.home()), ".chromadb_autogen_weave"),
            k=3,
            score_threshold=0.4,
        )
    )
    # await rag_memory.clear() # 既存のメモリをクリアする場合は、コメントを解除してください

    async def index_autogen_docs() -> None:
        indexer = SimpleDocumentIndexer(memory=rag_memory)
        sources = [
            "https://raw.githubusercontent.com/microsoft/autogen/main/README.md",
            "https://microsoft.github.io/autogen/dev/user-guide/agentchat-user-guide/tutorial/agents.html",
        ]
        chunks: int = await indexer.index_documents(sources)
        print(f"Indexed {chunks} chunks from {len(sources)} AutoGen documents")
    
    # インデックスを作成するのは、コレクションが空の場合か再作成したい場合のみにします
    # デモでは、毎回インデックスを作成しても、作成済みかどうかを確認してもかまいません。
    # この例では実行のたびにインデックスを作成します。確認処理の追加を検討してください。
    await index_autogen_docs()

    model_client = OpenAIChatCompletionClient(model=model_name)
    rag_assistant = AssistantAgent(
        name="rag_assistant",
        model_client=model_client,
        memory=[rag_memory],
    )
    
    # コンソールにストリーミング出力する場合:
    # stream = rag_assistant.run_stream(task="What is AgentChat?")
    # await Console(stream)
    result = await rag_assistant.run(task="What is AgentChat?")
    print(result)

    await rag_memory.close()
    await model_client.close()

asyncio.run(run_rag_agent())

from dataclasses import dataclass
from typing import Callable

from autogen_core import (
    DefaultTopicId,
    MessageContext,
    RoutedAgent,
    default_subscription,
    message_handler,
    AgentId,
    SingleThreadedAgentRuntime
)

@dataclass
class Message:
    content: int

@default_subscription
class Modifier(RoutedAgent):
    def __init__(self, modify_val: Callable[[int], int]) -> None:
        super().__init__("A modifier agent.")
        self._modify_val = modify_val

    @message_handler
    async def handle_message(self, message: Message, ctx: MessageContext) -> None:
        val = self._modify_val(message.content)
        print(f"{'-'*80}\\nModifier:\\nModified {message.content} to {val}")
        await self.publish_message(Message(content=val), DefaultTopicId())

@default_subscription
class Checker(RoutedAgent):
    def __init__(self, run_until: Callable[[int], bool]) -> None:
        super().__init__("A checker agent.")
        self._run_until = run_until

    @message_handler
    async def handle_message(self, message: Message, ctx: MessageContext) -> None:
        if not self._run_until(message.content):
            print(f"{'-'*80}\\nChecker:\\n{message.content} passed the check, continue.")
            await self.publish_message(
                Message(content=message.content), DefaultTopicId()
            )
        else:
            print(f"{'-'*80}\\nChecker:\\n{message.content} failed the check, stopping.")

# エージェントランタイムの呼び出し全体を 1 つのトレースに
# まとめるため、ここで Weave Op を追加しています
# 必須ではありませんが、使用することを強く推奨します

@weave.op
async def run_agent_runtime() -> None:
    runtime = SingleThreadedAgentRuntime()

    await Modifier.register(
        runtime,
        "modifier",
        lambda: Modifier(modify_val=lambda x: x - 1),
    )

    await Checker.register(
        runtime,
        "checker",
        lambda: Checker(run_until=lambda x: x <= 1),
    )

    runtime.start()
    await runtime.send_message(Message(content=3), AgentId("checker", "default"))
    await runtime.stop_when_idle()

asyncio.run(run_agent_runtime())

from autogen_core import TopicId, type_subscription
from autogen_core.models import ChatCompletionClient, SystemMessage, UserMessage

@dataclass
class WorkflowMessage:
    content: str

concept_extractor_topic_type = "ConceptExtractorAgent"
writer_topic_type = "WriterAgent"
format_proof_topic_type = "FormatProofAgent"
user_topic_type = "User"

@type_subscription(topic_type=concept_extractor_topic_type)
class ConceptExtractorAgent(RoutedAgent):
    def __init__(self, model_client: ChatCompletionClient) -> None:
        super().__init__("A concept extractor agent.")
        self._system_message = SystemMessage(
            content=(
                "You are a marketing analyst. Given a product description, identify:\n"
                "- Key features\n"
                "- Target audience\n"
                "- Unique selling points\n\n"
            )
        )
        self._model_client = model_client

    @message_handler
    async def handle_user_description(self, message: WorkflowMessage, ctx: MessageContext) -> None:
        prompt = f"Product description: {message.content}"
        llm_result = await self._model_client.create(
            messages=[self._system_message, UserMessage(content=prompt, source=self.id.key)],
            cancellation_token=ctx.cancellation_token,
        )
        response = llm_result.content
        assert isinstance(response, str)
        print(f"{'-'*80}\\n{self.id.type}:\\n{response}")
        await self.publish_message(
            WorkflowMessage(response), topic_id=TopicId(writer_topic_type, source=self.id.key)
        )

@type_subscription(topic_type=writer_topic_type)
class WriterAgent(RoutedAgent):
    def __init__(self, model_client: ChatCompletionClient) -> None:
        super().__init__("A writer agent.")
        self._system_message = SystemMessage(
            content=(
                "You are a marketing copywriter. Given a block of text describing features, audience, and USPs, "
                "compose a compelling marketing copy (like a newsletter section) that highlights these points. "
                "Output should be short (around 150 words), output just the copy as a single text block."
            )
        )
        self._model_client = model_client
    
    @message_handler
    async def handle_intermediate_text(self, message: WorkflowMessage, ctx: MessageContext) -> None:
        prompt = f"Below is the info about the product:\\n\\n{message.content}"
        llm_result = await self._model_client.create(
            messages=[self._system_message, UserMessage(content=prompt, source=self.id.key)],
            cancellation_token=ctx.cancellation_token,
        )
        response = llm_result.content
        assert isinstance(response, str)
        print(f"{'-'*80}\\n{self.id.type}:\\n{response}")
        await self.publish_message(
            WorkflowMessage(response), topic_id=TopicId(format_proof_topic_type, source=self.id.key)
        )

@type_subscription(topic_type=format_proof_topic_type)
class FormatProofAgent(RoutedAgent):
    def __init__(self, model_client: ChatCompletionClient) -> None:
        super().__init__("A format & proof agent.")
        self._system_message = SystemMessage(
            content=(
                "You are an editor. Given the draft copy, correct grammar, improve clarity, ensure consistent tone, "
                "give format and make it polished. Output the final improved copy as a single text block."
            )
        )
        self._model_client = model_client

    @message_handler
    async def handle_intermediate_text(self, message: WorkflowMessage, ctx: MessageContext) -> None:
        prompt = f"Draft copy:\\n{message.content}."
        llm_result = await self._model_client.create(
            messages=[self._system_message, UserMessage(content=prompt, source=self.id.key)],
            cancellation_token=ctx.cancellation_token,
        )
        response = llm_result.content
        assert isinstance(response, str)
        print(f"{'-'*80}\\n{self.id.type}:\\n{response}")
        await self.publish_message(
            WorkflowMessage(response), topic_id=TopicId(user_topic_type, source=self.id.key)
        )

@type_subscription(topic_type=user_topic_type)
class UserAgent(RoutedAgent):
    def __init__(self) -> None:
        super().__init__("A user agent that outputs the final copy to the user.")

    @message_handler
    async def handle_final_copy(self, message: WorkflowMessage, ctx: MessageContext) -> None:
        print(f"\\n{'-'*80}\\n{self.id.type} received final copy:\\n{message.content}")

# エージェントのワークフロー全体を 1 つのトレースにまとめて
# トレースするため、ここに Weave Op を追加しています
# 使用は任意ですが、使用することを強く推奨します

@weave.op(call_display_name="Sequential Agent Workflow")
async def run_agent_workflow(model_name="gpt-4o"):
    model_client = OpenAIChatCompletionClient(model=model_name)
    runtime = SingleThreadedAgentRuntime()

    await ConceptExtractorAgent.register(runtime, type=concept_extractor_topic_type, factory=lambda: ConceptExtractorAgent(model_client=model_client))
    await WriterAgent.register(runtime, type=writer_topic_type, factory=lambda: WriterAgent(model_client=model_client))
    await FormatProofAgent.register(runtime, type=format_proof_topic_type, factory=lambda: FormatProofAgent(model_client=model_client))
    await UserAgent.register(runtime, type=user_topic_type, factory=lambda: UserAgent())

    runtime.start()
    await runtime.publish_message(
        WorkflowMessage(
            content="An eco-friendly stainless steel water bottle that keeps drinks cold for 24 hours"
        ),
        topic_id=TopicId(concept_extractor_topic_type, source="default"),
    )
    await runtime.stop_when_idle()
    await model_client.close()

asyncio.run(run_agent_workflow())

import tempfile
from autogen_core import DefaultTopicId
from autogen_core.code_executor import CodeBlock, CodeExecutor
from autogen_core.models import (
    AssistantMessage,
    ChatCompletionClient,
    LLMMessage,
    SystemMessage,
    UserMessage,
)
from autogen_ext.code_executors.docker import DockerCommandLineCodeExecutor


@dataclass
class CodeGenMessage:
    content: str

@default_subscription
class Assistant(RoutedAgent):
    def __init__(self, model_client: ChatCompletionClient) -> None:
        super().__init__("An assistant agent.")
        self._model_client = model_client
        self._chat_history: List[LLMMessage] = [
           SystemMessage(
                content="""Write Python script in markdown block, and it will be executed.
Always save figures to file in the current directory. Do not use plt.show(). All code required to complete this task must be contained within a single response.""",
            )
        ]

    @message_handler
    async def handle_message(self, message: CodeGenMessage, ctx: MessageContext) -> None:
        self._chat_history.append(UserMessage(content=message.content, source="user"))
        result = await self._model_client.create(self._chat_history)
        print(f"\\n{'-'*80}\\nAssistant:\\n{result.content}")
        self._chat_history.append(AssistantMessage(content=result.content, source="assistant"))
        await self.publish_message(CodeGenMessage(content=result.content), DefaultTopicId())

def extract_markdown_code_blocks(markdown_text: str) -> List[CodeBlock]:
    pattern = re.compile(r"```(?:\\s*([\\w\\+\\-]+))?\\n([\\s\\S]*?)```")
    matches = pattern.findall(markdown_text)
    code_blocks: List[CodeBlock] = []
    for match in matches:
        language = match[0].strip() if match[0] else ""
        code_content = match[1]
        code_blocks.append(CodeBlock(code=code_content, language=language))
    return code_blocks

@default_subscription
class Executor(RoutedAgent):
    def __init__(self, code_executor: CodeExecutor) -> None:
        super().__init__("An executor agent.")
        self._code_executor = code_executor

    @message_handler
    async def handle_message(self, message: CodeGenMessage, ctx: MessageContext) -> None:
        code_blocks = extract_markdown_code_blocks(message.content)
        if code_blocks:
            result = await self._code_executor.execute_code_blocks(
                code_blocks, cancellation_token=ctx.cancellation_token
            )
            print(f"\\n{'-'*80}\\nExecutor:\\n{result.output}")
            await self.publish_message(CodeGenMessage(content=result.output), DefaultTopicId())

# コード生成ワークフロー全体を 1 つのトレースとして記録するため、
# ここに Weave Op を追加しています
# 必須ではありませんが、使用を強く推奨します

@weave.op(call_display_name="CodeGen Agent Workflow")
async def run_codegen(model_name="gpt-4o"): # モデルを更新
    work_dir = tempfile.mkdtemp()
    runtime = SingleThreadedAgentRuntime()

    # この例を実行するには、Docker が起動していることを確認してください
    try:
        async with DockerCommandLineCodeExecutor(work_dir=work_dir) as executor:
            model_client = OpenAIChatCompletionClient(model=model_name)
            await Assistant.register(runtime, "assistant", lambda: Assistant(model_client=model_client))
            await Executor.register(runtime, "executor", lambda: Executor(executor))

            runtime.start()
            await runtime.publish_message(
                CodeGenMessage(content="Create a plot of NVDA vs TSLA stock returns YTD from 2024-01-01."),
                DefaultTopicId(),
            )
            await runtime.stop_when_idle()
            await model_client.close()
    except Exception as e:
        print(f"Could not run Docker code executor example: {e}")
        print("Please ensure Docker is installed and running.")
    finally:
        import shutil
        shutil.rmtree(work_dir)


asyncio.run(run_codegen())