python dev setup

readme.md

specify python version for NPM

• https://stackoverflow.com/questions/20454199/how-to-use-a-different-version-of-python-during-npm-install
• npm install --python=python2.7 or npm install --python=python2 - or whatever resolves which python2 in your shell
• npm config set python python2.7 sets this permanently

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OSX

Python3 and Virtualenv Setup

• install homebrew
• brew install https://raw.githubusercontent.com/Homebrew/homebrew-core/f2a764ef944b1080be64bd88dca9a1d80130c558/Formula/python.rb to install python 3.6.5
• pip3 install virtualenv
• pip3 install virtualenvwrapper

Add the following to you your ~/.bash_profile

# python2 alias for osx builtin python
alias python2='/usr/bin/python'

# python homebrew setup
export PATH=/usr/local/opt/python/libexec/bin:$PATH
export PATH=/usr/local/bin:$PATH

# python virtual_env
export VIRTUALENVWRAPPER_PYTHON=/usr/local/opt/python/libexec/bin/python
export WORKON_HOME=$HOME/.virtualenvs
export PROJECT_HOME=$HOME/Devel
source /usr/local/bin/virtualenvwrapper.sh

For OSX Mojave 10.14

• brew update
• (Re)Install CLT. installer -pkg /Library/Developer/CommandLineTools/Packages/macOS_SDK_headers_for_macOS_10.14.pkg -target /
• brew reinstall python

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Windows 10

• download python 3.6: https://www.python.org/downloads/
• go through installer, be sure to check "Add Python 3.6 to PATH"

Windows - for python2 alongside python3

• download python 2.7: https://www.python.org/downloads/
• go through installer, DO NOT check "Add Python PATH"
• Manually add c:/Python27 and c:/Python27/Scripts to windows path
• Windows search, "environment variables"
• click "environment variables"
• user variables, select "Path", click "edit"
• click "new", "browse", etc
• important: once done, go to c:/Python27
• rename "python.exe" to "python2.exe"
• open mingw64 console and try "which python2"

Windows - python virtualenv setup

• tbd...

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WSL

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