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通过 pip -r requirements.txt 安装依赖项

[英]Install dependencies via pip -r requirements.txt

 原文  2021-05-16 09:49:27  7   2    python/ pip/ requirements.txt

问题描述

I want to install this library: https://github.com/stefanfoulis/django-phonenumber-field我想安装这个库： https://github.com/stefanfoulis/django-phonenumber-field

I have done like this:我已经这样做了：

(venv) michael@michael:~/PycharmProjects/client$ pip install django-phonenumber-field[phonenumbers]
Requirement already satisfied: django-phonenumber-field[phonenumbers] in ./venv/lib/python3.8/site-packages (5.1.0)
Requirement already satisfied: Django>=2.2 in ./venv/lib/python3.8/site-packages (from django-phonenumber-field[phonenumbers]) (3.2.3)
Collecting phonenumbers>=7.0.2; extra == "phonenumbers"
  Downloading phonenumbers-8.12.23-py2.py3-none-any.whl (2.6 MB)
     |████████████████████████████████| 2.6 MB 2.8 MB/s 
Requirement already satisfied: sqlparse>=0.2.2 in ./venv/lib/python3.8/site-packages (from Django>=2.2->django-phonenumber-field[phonenumbers]) (0.4.1)
Requirement already satisfied: asgiref<4,>=3.3.2 in ./venv/lib/python3.8/site-packages (from Django>=2.2->django-phonenumber-field[phonenumbers]) (3.3.4)
Requirement already satisfied: pytz in ./venv/lib/python3.8/site-packages (from Django>=2.2->django-phonenumber-field[phonenumbers]) (2021.1)
Installing collected packages: phonenumbers
Successfully installed phonenumbers-8.12.23

We can see that this library has installed its dependency: phonenumbers library.我们可以看到这个库已经安装了它的依赖：phonenumbers 库。

But now I want to write in requirements.txt that I need django-phonenumber-field of a certain release.但是现在我想在 requirements.txt 中写下我需要某个版本的 django-phonenumber-field。 So that its dependency should be installed as appropriate .以便适当地安装它的依赖项。

In other words how to write requirements.txt for future pip install -r requirements.txt .换句话说，如何为未来的pip install -r requirements.txt 编写 requirements.txt 。

Could you help me here?你能帮帮我吗？

=====ADDED LATER======= pip freeze > requirements.txt doesn't seem to be appropriate as it will contain all the dependencies. =====稍后添加======= pip freeze > requirements.txt 似乎不合适，因为它将包含所有依赖项。 It will become overburden with dependencies.它会因依赖而变得负担过重。 I will forget why a particular library is installed.我会忘记为什么要安装一个特定的库。 Whether it is a dependency at all.是否完全依赖。 If it is, what library depends on it.如果是，则依赖于哪个库。

I want to keep requirements.txt as clear as possible.我想让 requirements.txt 尽可能清晰。 In this particular example I want just one directive: install django-phonenumber-field==5.1.0 and manage dependencies yourself.在这个特定的示例中，我只需要一个指令：安装 django-phonenumber-field==5.1.0 并自己管理依赖项。

Wrong way (bloated and unclear what to delete if I stop using the library):错误的方式（如果我停止使用库，臃肿且不清楚要删除的内容）：

django-phonenumber-field==5.1.0
phonenumbers==8.12.23

What I want: django-phonenumber-field==5.1.0 [and all dependencies]我想要什么：django-phonenumber-field==5.1.0 [和所有依赖项]

2 个解决方案

解决方案1
 1  2021-05-16 09:59:35

As @jonrsharpe said, you can use pip freeze which lists all your dependencies, and redirect the output to your requirements.txt file to update it.正如@jonrsharpe 所说，您可以使用pip freeze列出所有依赖项，并将 output 重定向到您的requirements.txt文件以更新它。

pip freeze > requirements.txt

解决方案2
 0  2021-05-16 13:47:46

The simple way is to create a text file, type the shell commands in, save it and the rename it from .txt to .bat .简单的方法是创建一个文本文件，输入 shell 命令，保存并将其从.txt重命名为.bat 。 Now you can double click the file and it installs the requirements.现在您可以双击该文件并安装要求。 You could probably even execute the.bat你甚至可以执行.bat

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