RE: [Python Tips] Virtual Environments by netscape101

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programming · @netscape101 · May 23 '18

Cool article, but I don't agree with using pipenv. From what I understand pipenv is just a wrapper for people who can't use virtualenv. Virtualenv is pretty easy for me to use and straightforward , so I'll stick to that for now.
Here are some links that are related for anyone interested:
* https://gist.github.com/Geoyi/d9fab4f609e9f75941946be45000632b - Install virtualenv on Ubuntu
* How to create and activate virtualenv: https://yoirtuts.com/index.php?title=Create_Virtual_Env_And_Activate_Python3
One of my favourite practices is to often cleanup my virtualenv and reinstall dependencies, especially in big projects with many dependencies. This helps me solve dependency issues,but can be a pain in the ass for development.

Create list of installed packages:
``` 
virt-env ) $ pip3 freeze > uninstall-requirements.txt

virt-env ) $ pip3 uninstall -r uninstall-requirements.txt -y

virt-env ) $  pip3 install -r requirements.txt
```

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@themarkymark · May 23 '18

Pipenv is not a wrapper, there is virtualenvwrapper that you are likely thinking of. 

Pipenv is a completely different project that works differently from virtualenv but does the same thing just better.

👍 ptrck

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@netscape101 · May 23 '18

Ok fair enough. I work in Python everyday so I should have probably known that. 
What makes it better than virtualenv?
Btw here are some old notes of mine about virtualenv, not sure if it is still relevant, but it was pretty interesting when I learned about this: 
https://yoirtuts.com/index.php?title=Virtualenv_Correct_Usage

👍 ptrck

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@themarkymark · May 23 '18

WIthout getting complex, there are a lot of advantages.  I really recommend checking out the [project page](https://docs.pipenv.org) and within five minutes I will bet you will see the advantages.

It is not just an ease of use wrapper, it's a complete makeover on how virtual environments work on python and puts it in the same league as NodeJS's package manager.

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6 replies

@throwawayaccount · May 23 '18

$0.09

@netscape101 check here:
https://www.reddit.com/r/learnpython/comments/6qrhwd/pipenv_vs_pip_and_virtualenv/
https://docs.pipenv.org/
https://stackoverflow.com/questions/41573587/what-is-the-difference-between-venv-pyvenv-pyenv-virtualenv-virtualenvwrappe
http://docs.python-guide.org/en/latest/dev/virtualenvs/
Lots of reading :) Enjoy. I'm also still using virtualenv, but slowly gonna move to pip-env.

👍 themarkymark, netscape101

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4 replies