什么是 Python 蛋?

问题描述

我是 Python 新手，我只是想了解它的包是如何工作的.大概 eggs 是某种包装机制，但什么是它们所扮演角色的快速概述，可能是关于它们为什么有用以及如何创建它们的一些信息?

I'm new to Python and I'm just trying to understand how its packages work. Presumably eggs are some sort of packaging mechanism, but what would be a quick overview of what role they play and may be some information on why they're useful and how to create them?

推荐答案

注意:鸡蛋包装已被车轮包装取代.

与Java中的.jar文件的概念相同，它是一个.zip文件，其中一些元数据文件重命名为.egg，用于分发代码作为包.

Same concept as a .jar file in Java, it is a .zip file with some metadata files renamed .egg, for distributing code as bundles.

具体来说:Python Eggs的内部结构

Python 蛋"是一个逻辑结构，体现了一个Python 项目的特定版本，包括其代码、资源、和元数据.有多种格式可用于物理编码一个 Python 蛋，其他的可以开发.然而，Python 鸡蛋的一个关键原则是它们应该是可发现的，并且可导入.也就是说，Python 应用程序应该可以轻松有效地找出系统上存在哪些鸡蛋，以及以确保所需的鸡蛋内容是可导入的.

A "Python egg" is a logical structure embodying the release of a specific version of a Python project, comprising its code, resources, and metadata. There are multiple formats that can be used to physically encode a Python egg, and others can be developed. However, a key principle of Python eggs is that they should be discoverable and importable. That is, it should be possible for a Python application to easily and efficiently find out what eggs are present on a system, and to ensure that the desired eggs' contents are importable.

.egg 格式非常适合分发和简单卸载或升级代码，因为该项目本质上是自包含在单个目录或文件中，不与任何其他项目的代码或资源.这也使得拥有同时安装一个项目的多个版本，这样各个程序可以选择他们希望使用的版本.

The .egg format is well-suited to distribution and the easy uninstallation or upgrades of code, since the project is essentially self-contained within a single directory or file, unmingled with any other projects' code or resources. It also makes it possible to have multiple versions of a project simultaneously installed, such that individual programs can select the versions they wish to use.

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