管理本地和原始库中反复更新的python模块

问题描述

我喜欢编辑安装有 pip 的python模块。但是，我不知道如何在升级模块时避免本地更新和原始更新之间的冲突。

例如，

  $ pip install some_module 
 $ vim〜/.../ some_module / something.py＃更新文件
 $ pip install --upgrade some_module 
  

由于本地资源库和原始资源库之间存在冲突，应该会发生一些麻烦。 （原始repo在github上的假设是OK的）

我猜想其中一个替代方法是在github上分发版本库， pip install git +< repo_url> ，但我没有信心。

避免这种麻烦的好方法是什么？

解决方案

你不应该编辑模块的核心文件，如果你需要修改它，你应该扩展（继承）它并覆盖功能和添加你自己的函数，这样你的代码与repo的代码是分开的，不会被更新或升级覆盖。

你也可以使用虚拟环境，一个虚拟环境是一个孤立的Python安装/环境，它可以很容易地管理依赖和不同版本的库/ Python的版本

这应该让你开始

p>

I like to edit python modules installed with pip. But, I do not know good way to avoid conflicts between local update and original one when upgrade a module.

For example,

$ pip install some_module
$ vim ~/.../some_module/something.py # update the file
$ pip install --upgrade some_module

It should occurs some trouble because of conflicts between local and original repository. (The assumption that original repo is on github is OK)

I guess One of alternatives is forking repository on github and pip install git+<repo_url>, but I'm not have confident.

What is good way to avoid this trouble?

解决方案

You should not be editing the core files of a module, if you need to modify it you should be extending (subclassing) it and over-riding the functionality and adding your own functions, that way your code is separate from the repo's code and won't be over-written by an update or upgrade

You could also Use a virtual environment, a virtual environment is an isolated python installation/environment, it makes it easy to manage dependencies and different version of libraries/ version of python

this should get you started

http://docs.python-guide.org/en/latest/dev/virtualenvs/

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