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#Homebrew python 3 install dev tools osx code

If you are interested you can see how this is done in the file /Applications/Python\ 3.5/Update Shell mand. During installation the installer adds /Library/Frameworks/amework/Versions/3.5/bin to the beginning of your PATH environment variable so your shell can find commands created by python modules like virtualenv. The latest python 2 and python 3 installers include pip.

The site-packages directory lives at /Library/Frameworks/amework/Versions/3.5/lib/python3.5/site-packages. For example, the python 3.5 installer installs python in /Library/Frameworks/amework/Versions/3.5 and the binaries are symlinked to /usr/local/bin, e.g., /usr/local/bin/python3 -> /Library/Frameworks/amework/Versions/3.5/bin/python3. pythonĪ second option is to use one of the installers from. Instead of /System/Library/Frameworks/amework/Versions/Current/lib/python2.7/site-packages it is at /Library/Python/2.7/site-packages. One other thing to note is that the site-packages directory isn't where you would expect. Binaries for other versions are symlinked in /usr/bin, e.g., /usr/bin/python2.6 -> /System/Library/Frameworks/amework/Versions/2.6/bin/python2.6. It is possible to have multiple versions of python in /System/Library/Frameworks/amework if you have upgraded over the years. It lives in /System/Library/Frameworks/amework with binaries copied to /usr/bin, e.g., /usr/bin/python. I never use that version for development. The version of python included on OS X El Capitan is 2.7 and has been modified by Apple. If you type python -c "import sys print sys.path" you will see the python path in use. If you open terminal and type python -version you will see something like Python 2.7.10. This post relies on the use of the command line and knowledge of the PATH environment variable. Learning about shells, shell scripting, and the history of terminals is fascinating stuff. I consider a familiarity with the OS X command line an essential developer skill.

IPython for a better python shell (REPL).

#Homebrew python 3 install dev tools osx code

Sublime Text 3 with a few choice packages to write code.pyenv-virtualenv to manage virtual environments.

pyenv to manage multiple python versions.

Below I go into more detail but the TL DR version is that I use: Setting up OS X for python development can be confusing because there are multiple options.