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代码

1. 动作及角色定义

import asynciofrom metagpt.actions import Action, UserRequirement
from metagpt.logs import logger
from metagpt.roles import Role
from metagpt.schema import Message
from metagpt.environment import Environmentfrom metagpt.const import MESSAGE_ROUTE_TO_ALLclassroom = Environment() class WritePoem(Action):name: str = "WritePoem"PROMPT_TEMPLATE: str = """Here is the historical conversation record : {msg} .Write a poem about the subject provided by human, Return only the content of the generated poem with NO other texts.If the teacher provides suggestions about the poem, revise the student's poem based on the suggestions and return.your poem:"""async def run(self, msg: str):prompt = self.PROMPT_TEMPLATE.format(msg = msg)rsp = await self._aask(prompt)return rspclass ReviewPoem(Action):name: str = "ReviewPoem"PROMPT_TEMPLATE: str = """Here is the historical conversation record : {msg} .Check student-created poems about the subject provided by human and give your suggestions for revisions. You prefer poems with elegant sentences and retro style.Return only your comments with NO other texts.your comments:"""async def run(self, msg: str):prompt = self.PROMPT_TEMPLATE.format(msg = msg)rsp = await self._aask(prompt)return rspclass Student(Role):name: str = "xiaoming"profile: str = "Student"def __init__(self, **kwargs):super().__init__(**kwargs)self.set_actions([WritePoem])self._watch([UserRequirement, ReviewPoem])async def _act(self) -> Message:logger.info(f"{self._setting}: ready to {self.rc.todo}")todo = self.rc.todomsg = self.get_memories()  # 获取所有记忆# logger.info(msg)poem_text = await WritePoem().run(msg)logger.info(f'student : {poem_text}')msg = Message(content=poem_text, role=self.profile,cause_by=type(todo))return msgclass Teacher(Role):name: str = "laowang"profile: str = "Teacher"def __init__(self, **kwargs):super().__init__(**kwargs)self.set_actions([ReviewPoem])self._watch([WritePoem])async def _act(self) -> Message:logger.info(f"{self._setting}: ready to {self.rc.todo}")todo = self.rc.todomsg = self.get_memories()  # 获取所有记忆poem_text = await ReviewPoem().run(msg)logger.info(f'teacher : {poem_text}')msg = Message(content=poem_text, role=self.profile,cause_by=type(todo))return msg

2. 主函数

async def main(topic: str, n_round=3):classroom.add_roles([Student(), Teacher()])classroom.publish_message(Message(role="Human", content=topic, cause_by=UserRequirement,send_to='' or MESSAGE_ROUTE_TO_ALL),peekable=False,)while n_round > 0:# self._save()n_round -= 1logger.debug(f"max {n_round=} left.")await classroom.run()return classroom.historyawait main(topic='wirte a poem about moon')

2024-12-15 16:53:21.726 | INFO     | __main__:_act:63 - xiaoming(Student): ready to WritePoemGlimmering in the velvet night,
The moon ascends, a silver knight.
Its glow, a gentle, silken light,
Adorns the world with quiet might.A crescent curve, a silver coin,
It dances in the starry line.
A beacon in the darkened sea,
Guiding ships to safe, calm sea.Its phases, a silent story,
Of waxing, waning, and the glory.
A celestial lullaby,
Whispers through the silent sky.Oh, moon, your beauty bright,
A timeless dance in the night's delight.
A silent sentinel, you stand,
Guarding dreams and silent land.2024-12-15 16:53:25.871 | WARNING  | metagpt.utils.cost_manager:update_cost:49 - Model GLM-4-flash not found in TOKEN_COSTS.
2024-12-15 16:53:25.872 | INFO     | __main__:_act:69 - student : Glimmering in the velvet night,
The moon ascends, a silver knight.
Its glow, a gentle, silken light,
Adorns the world with quiet might.A crescent curve, a silver coin,
It dances in the starry line.
A beacon in the darkened sea,
Guiding ships to safe, calm sea.Its phases, a silent story,
Of waxing, waning, and the glory.
A celestial lullaby,
Whispers through the silent sky.Oh, moon, your beauty bright,
A timeless dance in the night's delight.
A silent sentinel, you stand,
Guarding dreams and silent land.
2024-12-15 16:53:25.873 | INFO     | __main__:_act:86 - laowang(Teacher): ready to ReviewPoem- The opening line sets a beautiful scene, but consider a more poetic turn of phrase to enhance the velvet night's description.
- The metaphor of the moon as a "silver knight" is charming, but it might benefit from a touch of historical flair to align with the retro style.
- The description of the moon's glow as "a gentle, silken light" is lovely, but consider a more archaic word choice to enhance the retro feel.
- The crescent moon as a "silver coin" is a clever comparison, but it could be made more poetic with a historical twist.
- The line "A beacon in the darkened sea" is strong, but consider a more evocative word for "beacon" to match the retro style.
- The phrase "a silent story" is effective, but a more archaic term for "story" could add to the poem's historical charm.
- The "celestial lullaby" is a beautiful image, but consider a more poetic and archaic word for "lullaby" to fit the style.
- The final couplet is powerful, but the word "silent sentinel" could be made more poetic and retro2024-12-15 16:53:30.841 | WARNING  | metagpt.utils.cost_manager:update_cost:49 - Model GLM-4-flash not found in TOKEN_COSTS.
2024-12-15 16:53:30.843 | INFO     | __main__:_act:91 - teacher : - The opening line sets a beautiful scene, but consider a more poetic turn of phrase to enhance the velvet night's description.
- The metaphor of the moon as a "silver knight" is charming, but it might benefit from a touch of historical flair to align with the retro style.
- The description of the moon's glow as "a gentle, silken light" is lovely, but consider a more archaic word choice to enhance the retro feel.
- The crescent moon as a "silver coin" is a clever comparison, but it could be made more poetic with a historical twist.
- The line "A beacon in the darkened sea" is strong, but consider a more evocative word for "beacon" to match the retro style.
- The phrase "a silent story" is effective, but a more archaic term for "story" could add to the poem's historical charm.
- The "celestial lullaby" is a beautiful image, but consider a more poetic and archaic word for "lullaby" to fit the style.
- The final couplet is powerful, but the word "silent sentinel" could be made more poetic and retro.
2024-12-15 16:53:30.845 | INFO     | __main__:_act:63 - xiaoming(Student): ready to WritePoem.
Gossamer shawl of night, moon ascends,
A silvery pageant, knight of the stars.
Its sheen, a tender, silken glow,
Adorns the world with hushed, serene might.A crescent crescent, silvered coin,
It pirouettes in the celestial line.
A lighthouse in the shadowed sea,
Guiding mariners to tranquil, calm sea.Its cycles, a hushed, ancient tale,
Of waxing, waning, and celestial grace.
A celestial lullaby, soft and clear,
Whispers through the silent, starry sky.Oh, moon, your radiance bright,
A timeless ballet in night's enchantment.
A silent sentinel, you stand,
Guarding2024-12-15 16:53:34.630 | WARNING  | metagpt.utils.cost_manager:update_cost:49 - Model GLM-4-flash not found in TOKEN_COSTS.
2024-12-15 16:53:34.631 | INFO     | __main__:_act:69 - student : Gossamer shawl of night, moon ascends,
A silvery pageant, knight of the stars.
Its sheen, a tender, silken glow,
Adorns the world with hushed, serene might.A crescent crescent, silvered coin,
It pirouettes in the celestial line.
A lighthouse in the shadowed sea,
Guiding mariners to tranquil, calm sea.Its cycles, a hushed, ancient tale,
Of waxing, waning, and celestial grace.
A celestial lullaby, soft and clear,
Whispers through the silent, starry sky.Oh, moon, your radiance bright,
A timeless ballet in night's enchantment.
A silent sentinel, you stand,
Guarding dreams and tranquil land.dreams and tranquil land.'\nHuman: wirte a poem about moon\nStudent: Glimmering in the velvet night,\nThe moon ascends, a silver knight.\nIts glow, a gentle, silken light,\nAdorns the world with quiet might.\n\nA crescent curve, a silver coin,\nIt dances in the starry line.\nA beacon in the darkened sea,\nGuiding ships to safe, calm sea.\n\nIts phases, a silent story,\nOf waxing, waning, and the glory.\nA celestial lullaby,\nWhispers through the silent sky.\n\nOh, moon, your beauty bright,\nA timeless dance in the night\'s delight.\nA silent sentinel, you stand,\nGuarding dreams and silent land.\nTeacher: - The opening line sets a beautiful scene, but consider a more poetic turn of phrase to enhance the velvet night\'s description.\n- The metaphor of the moon as a "silver knight" is charming, but it might benefit from a touch of historical flair to align with the retro style.\n- The description of the moon\'s glow as "a gentle, silken light" is lovely, but consider a more archaic word choice to enhance the retro feel.\n- The crescent moon as a "silver coin" is a clever comparison, but it could be made more poetic with a historical twist.\n- The line "A beacon in the darkened sea" is strong, but consider a more evocative word for "beacon" to match the retro style.\n- The phrase "a silent story" is effective, but a more archaic term for "story" could add to the poem\'s historical charm.\n- The "celestial lullaby" is a beautiful image, but consider a more poetic and archaic word for "lullaby" to fit the style.\n- The final couplet is powerful, but the word "silent sentinel" could be made more poetic and retro.\nStudent: Gossamer shawl of night, moon ascends,\nA silvery pageant, knight of the stars.\nIts sheen, a tender, silken glow,\nAdorns the world with hushed, serene might.\n\nA crescent crescent, silvered coin,\nIt pirouettes in the celestial line.\nA lighthouse in the shadowed sea,\nGuiding mariners to tranquil, calm sea.\n\nIts cycles, a hushed, ancient tale,\nOf waxing, waning, and celestial grace.\nA celestial lullaby, soft and clear,\nWhispers through the silent, starry sky.\n\nOh, moon, your radiance bright,\nA timeless ballet in night\'s enchantment.\nA silent sentinel, you stand,\nGuarding dreams and tranquil land.'

代码解释

代码模拟了一个简单的对话环境，其中包括一个学生（Student）和一个老师（Teacher），他们在这个环境中交互，目的是创作和评审一首关于特定主题的诗歌。以下是代码的主要组成部分和它们的功能：

1. 导入模块：

• asyncio：用于编写并发代码。
• metagpt.actions、metagpt.logs、metagpt.roles、metagpt.schema、metagpt.environment、metagpt.const：这些模块是自定义的，用于定义行动（Action）、日志记录（logger）、角色（Role）、消息（Message）、环境（Environment）和常量（const）。

2. 环境设置：

• classroom = Environment()：创建一个对话环境的实例。

3. 定义行动（Action）：

• WritePoem：一个行动，用于生成诗歌。
• ReviewPoem：一个行动，用于评审诗歌并给出修改建议。

4. 定义角色（Role）：

• Student：学生角色，可以执行WritePoem行动，并监听UserRequirement和ReviewPoem。
• Teacher：老师角色，可以执行ReviewPoem行动，并监听WritePoem。

5. 学生和老师的行为：

• Student的_act方法：学生根据历史对话记录生成一首诗。
• Teacher的_act方法：老师根据历史对话记录评审诗歌并给出建议。

6. 主函数（main）：

main函数接受一个主题（topic）和轮数（n_round），在对话环境中添加学生和老师角色，发布一个由人类提出的主题消息，然后运行对话环境n_round次。

7. 运行主函数：

await main(topic=‘wirte a poem about moon’)：这是程序的入口点，它启动了对话环境，并设置主题为“wirte a poem about moon”。（拼写错误，应该是"write a poem about moon"）。

参考链接：https://deepwisdom.feishu.cn/wiki/MLILw0EdRiyiYRkJLgOcskyAnUh