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🥭 Async MongoDB ODM with type hints in Python

Project description

Mango

Mango

🥭 带有类型提示的 Python 异步 MongoDB 对象文档映射器

license pypi python

查看演示 · 错误报告 · 功能请求

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🔖 目录

目录

📖 简介

Mango 是一个带有类型提示的 Python 异步 MongoDB 对象文档映射器(ODM),它构建在 MotorPydantic 之上。

Mango 使得数据建模和查询变得非常容易,帮助您关注应用程序中真正重要的部分。

✨ 核心特性:

  • 完善的类型标注:利用静态分析来减少运行时问题
  • 简洁流畅的 API:更易于学习和使用,提高开发效率
  • 优雅的编辑器支持:自动完成无处不在,从对象创建到查询结果

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🚀 安装

PIP

pip install mango-odm

Poetry

poetry add mango-odm

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🌟 示例

import asyncio

from mango import Document, EmbeddedDocument, Field, Mango


# 嵌入式文档
class Author(EmbeddedDocument):
    name: str
    profile: str | None = None


# Mango 文档模型
class Book(Document):
    name: str = Field(primary_key=True)  # 将字段设置为主键,如果不显式指定主键,则会自动创建 id 字段作为主键
    summary: str | None = None
    author: Author  # 嵌入文档
    price: int = Field(index=True)  # 为字段添加索引


async def main():
    # 初始化 Mango,它会创建连接并初始化文档模型,你可以传入 db 或者 uri 参数来指定连接
    await Mango.init()

    # 像 pydantic 的模型一样使用
    book = Book(name="book", author=Author(name="author"), price=10)
    # 将它插入到数据库中
    await book.save()

    # Mango 提供了丰富的查询语言,允许您使用 Python 表达式来查询
    if book := await Book.find(Book.price <= 20, Book.author.name == "author").get():
        # 更新文档的 summary 字段
        book.summary = "summary"
        await book.update()


if __name__ == "__main__":
    asyncio.run(main())

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🎉 鸣谢

感谢以下开发者对该项目做出的贡献:

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💖 支持

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📝 许可证

MIT 许可证下分发。请参阅 LICENSE 以获取更多信息。

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