# Python Development Guidelines
> 原文：[https://docs.gitlab.com/ee/development/python_guide/](https://docs.gitlab.com/ee/development/python_guide/)
* [Installation](#installation)
* [macOS](#macos)
* [Linux](#linux)
* [Shell integration](#shell-integration)
* [Dependency management](#dependency-management)
* [Use instructions](#use-instructions)
# Python Development Guidelines[](#python-development-guidelines "Permalink")
GitLab requires Python as a dependency for [reStructuredText](https://docutils.sourceforge.io/rst.html) markup rendering.
从 GitLab 11.10 开始，我们需要 Python 3.
## Installation[](#installation "Permalink")
有几种方法可以在系统上安装 Python. 为了能够使用生产中使用的相同版本，建议您使用[pyenv](https://github.com/pyenv/pyenv) . 它的工作方式和行为与 Ruby 世界中的[同类产品 rbenv 相似](https://github.com/rbenv/rbenv) .
### macOS[](#macos "Permalink")
要在 macOS 上安装`pyenv` ，可以将[Homebrew](https://brew.sh/)与以下软件配合使用：
```
brew install pyenv
```
### Linux[](#linux "Permalink")
要在 Linux 上安装`pyenv` ，您可以运行以下命令：
```
curl https://pyenv.run | bash
```
另外，您可以通过发行版软件包管理器找到`pyenv`作为系统软件包.
您可以在以下[网址](https://github.com/pyenv/pyenv-installer#prerequisites)了解更多信息： [https](https://github.com/pyenv/pyenv-installer#prerequisites) : [//github.com/pyenv/pyenv-installer#prerequisites](https://github.com/pyenv/pyenv-installer#prerequisites) .
### Shell integration[](#shell-integration "Permalink")
Pyenv 安装会将必需的更改添加到 Bash. 如果使用其他外壳，请检查是否需要其他步骤.
对于 Fish，您可以为[Fisher](https://github.com/jorgebucaran/fisher)安装插件：
```
fisher add fisherman/pyenv
```
还是为了[我的鱼](https://github.com/oh-my-fish/oh-my-fish) ：
```
omf install pyenv
```
## Dependency management[](#dependency-management "Permalink")
尽管 GitLab 不直接包含任何 Python 脚本，但是由于我们依赖 Python 来呈现[reStructuredText](https://docutils.sourceforge.io/rst.html)标记，因此我们需要在主项目级别上跟踪依赖项，以便可以在开发机器上运行它.
最近，Python 引入了与`Gemfile`和[Bundler](https://bundler.io/)项目等效的项目： `Pipfile`和[Pipenv](https://pipenv.readthedocs.io/en/latest/) .
现在，您将在根文件夹中找到具有相关性的`Pipfile` . 要安装它们，请运行：
```
pipenv install
```
运行此命令将安装所需的 Python 版本以及所需的 pip 依赖项.
## Use instructions[](#use-instructions "Permalink")
要在 Pipenv 环境下运行任何 Python 代码，您需要首先根据应用程序的依赖关系启动`virtualenv` . 使用 Pipenv，运行起来很简单：
```
pipenv shell
```
运行该命令后，您可以在同一外壳上运行 GitLab，它将使用从`pipenv install`命令安装的 Python 和依赖项.
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