从一个或多个需求文件安装来自多个服务器的软件包 [英] Installing Packages from Multiple Servers from One or More Requirements File

问题描述

我尝试了以下两种方法都没有成功.

I have tried the following two approaches without success.

第一个使用级联需求文件.

The first with Cascading Requirements Files.

# requirements.txt
-r requirements/req2.txt
-r requirements/req3.txt

# requirements/req2.txt
Django==1.7.7

# requirements/req3.txt
-i https://testpypi.python.org/pypi
foo-bar==0.4

pip install -r requirements.txt 导致 pip 找不到 Django.

pip install -r requirements.txt results in pip not finding Django.

第二次尝试是在一个文件中包含这两个要求:

The second attempt was to include both requirements in a single file:

-i https://pypi.python.org/pypi/
Django==1.7.7
-i https://testpypi.python.org/pypi
foo-bar==0.4

pip install -r requirements.txt 导致同样的错误，pip 没有找到 Django.

pip install -r requirements.txt results in the same error, pip not finding Django.

如何使用 pip 安装来自不同服务器/索引 URL 的软件包?

How can I use pip to install packages from different servers/index-urls?

推荐答案

无论哪种情况，解决方案都是在 --extra-index-url 的开头添加>requirements.txt 文件.

The solution in either case is to add --extra-index-url <url> at the beginning of the requirements.txt file.

示例:

# requirements.txt
--extra-index-url https://testpypi.python.org/pypi
Django==1.7.7
django-stackexchange-feed==0.4

或者使用级联需求文件:

Or to use Cascading Requirements Files:

# requirements.txt
--extra-index-url https://testpypi.python.org/pypi
-r requirements/req2.txt
-r requirements/req3.txt

# requirements/req2.txt
Django==1.7.7

# requirements/req3.txt
foo-bar==0.4

pip install -r requirements.txt 现在可以工作了.

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