如何从另一个文件夹中获取Python软件包要求？
这是如此简单，不明白为什么它不起作用。
我的CMD在folder1中打开。它的工作目录是folder1。
folder1 --> folder2
我在folder2中有一堆python文件。我想获得其unignts.txt文件，并将其存放在folder1中。
同样，在我的CMD中打开folder1，我运行pip冻结-path ./folder2＆gt; unignts.txt
它在folder1中返回一个空unigess.txt文件。如果我在folder2中运行pip Freeze，我会获得无问题的要求列表。
这似乎是如此的基础，但是为什么- 路径无法按照我想要的方式工作？
This is so simple and don't understand why it isn't working.
I have my CMD opened in folder1. Its working directory is folder1.
folder1 --> folder2
I have a bunch of python files in folder2. I would like to obtain its requirements.txt file and have it reside within folder1.
Again, with my CMD opened in folder1, I run pip freeze --path ./folder2 > requirements.txt
It returns an empty requirements.txt file within folder1. If I run pip freeze within folder2 I obtain a list of requirements no problem.
This seems so basic, but why is --path not working the way I want it?
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您将项目文件夹与PIP安装的网站包装混合。这就是 - 路径参数所指的。由于您似乎不熟悉虚拟环境，因此您没有任何内容，并且您的2个项目文件夹正在使用完全相同的软件包，并且您获得了要求
。
You are mixing project folders with where pip installs it's site-packages. This is what the --path parameter refers to. Since you don't seem to be familiar with virtual environments, you don't have any and your 2 project folders are using exactly the same packages and you get the requirements.txt simply by
This is not different for your 2 project folders.
什么
pip Freeze输出是安装东西的软件包列表。通常，它只是读取站点包。路径参数仅限于应该列出的包装，因此您要说将所有站点包装从文件夹1中获取，并将其限制在folder2 下，显然会返回空列表。您想做的是运行适当的pip-我想您在
folder2下有一些 virtualenv ，因此它将是folder2/＆lt; venv＆gt;/bin/bin/bin/bin/bin/bin/ PIP冻结。如果您没有，那么实际上是通过pip降落到同一 site-packages 的所有事物，因此您将无法仅过滤文件。在folder2中。What
pip freezeoutputs is the list of packages that he things are installed. Usually it just readssite-packages. Thepathparameter just restricts which packages it should listed, so you are saying take all site-packages from folder 1 and restrict them to this under folder2, which obviously returns empty list.What you want to do is run proper pip - I guess you have some virtualenv under
folder2, so it would befolder2/<your venv>/bin/pip freeze. If you havent, than actually all things you installed viapiplands into the same, globalsite-packages, so you won't be able to filter only this used by files infolder2.我对此的解决方案是使用
pipReqs与
cmd在folder1中打开a
unignts.txt文件出现在folder1中。这些软件包基于folder2中的python文件。My solution to this was to use
pipreqsWith
CMDopened infolder1, I ranpipreqs ./folder2 --savepath requirements.txtA
requirements.txtfile appeared infolder1. The packages were based on thepythonfiles infolder2.