Python environment tool comparison chart for Rubyist

Introduction

Python version / library management can be confusing. It seems easy for Rubyist to think "What do you say in Ruby?", So I will try to summarize the current mainstream Python environment management at my own discretion.

Simplified chart

Target Ruby Python
version rbenv pyenv
Library gem pip
Library dependent/Virtual environment bundler pipenv

version control

Rubyist has the same rbenv, and Python has pyenv. The usage is basically the same. rbenv requires a submodule called ruby-build, but pyenv does not.

Library management

pip comes standard with Python 2.7.9 / 3.4 and later.

Library dependent / virtual environment

There are a lot of Python, but pipenv, which is close to Bundler, seems to be good, so let's compare it. (Strictly different, but ...)

bundler pipenv
Management file Gemfile Pipfile
lock file Gemfile.lock Pipfile.lock
Library installation from lock file bundle install pipenv sync
Virtual environment execution bundle exec pipenv run
Virtual environment path(Default) ./vendor/bundle ~/.local/share/virtualenvs/#{Project directory name}-#{Hash value}

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