To install Homebrew, open Terminal or your favorite OS X terminal emulator and run. Once you’ve installed Homebrew, insert the Homebrew directory at the top of your PATH environment variable. You can do this by adding the following line at the bottom of your /.profile file. Homebrew docs docs.brew.sh; 0 Comments for this cheatsheet. Devhints.io / Over 352 curated cheatsheets, by developers for developers. Devhints home Other CLI cheatsheets. Cron cheatsheet httpie cheatsheet adb (Android Debug Bridge). Homebrew is a package manager designed for Mac that is useful to install. You will find that you can utilize Homebrew for data science as it makes it a lot easier to install additional technologies on Mac such as Apache Spark and the software Graphviz. With that, let’s get started. Install Command Line Tools.
Install Homebrew
Paste that in a macOS Terminal or Linux shell prompt.
The script explains what it will do and then pauses before it does it. Read about other installation options.
What Does Homebrew Do?
Homebrew installs the stuff you need that Apple (or your Linux system) didn’t.
Homebrew installs packages to their own directory and then symlinks their files into
/usr/local.Homebrew won’t install files outside its prefix and you can place a Homebrew installation wherever you like.
It’s all Git and Ruby underneath, so hack away with the knowledge that you can easily revert your modifications and merge upstream updates.
Homebrew complements macOS (or your Linux system). Install your RubyGems with
gemand their dependencies withbrew.“To install, drag this icon…” no more. Homebrew Cask installs macOS apps, fonts and plugins and other non-open source software.
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Homebrew was created by Max Howell. Website by Rémi Prévost, Mike McQuaid and Danielle Lalonde.
Mac OS X comes with Python 2.7 out of the box.
You do not need to install or configure anything else to use Python 2. Theseinstructions document the installation of Python 3.
The version of Python that ships with OS X is great for learning, but it’s notgood for development. The version shipped with OS X may be out of date from theofficial current Python release,which is considered the stable production version.
Doing it Right¶
Let’s install a real version of Python.
Before installing Python, you’ll need to install GCC. GCC can be obtainedby downloading Xcode, the smallerCommand Line Tools (must have anApple account) or the even smaller OSX-GCC-Installerpackage.
Note
If you already have Xcode installed, do not install OSX-GCC-Installer.In combination, the software can cause issues that are difficult todiagnose.
Note
If you perform a fresh install of Xcode, you will also need to add thecommandline tools by running xcode-select--install on the terminal.
While OS X comes with a large number of Unix utilities, those familiar withLinux systems will notice one key component missing: a package manager.Homebrew fills this void.
To install Homebrew, open Terminal oryour favorite OS X terminal emulator and run
The script will explain what changes it will make and prompt you before theinstallation begins.Once you’ve installed Homebrew, insert the Homebrew directory at the topof your PATH environment variable. You can do this by adding the followingline at the bottom of your ~/.profile file
If you have OS X 10.12 (Sierra) or older use this line instead
Now, we can install Python 3:
This will take a minute or two.
Pip¶
Homebrew installs pip pointing to the Homebrew’d Python 3 for you.
Working with Python 3¶
At this point, you have the system Python 2.7 available, potentially theHomebrew version of Python 2 installed, and the Homebrewversion of Python 3 as well.
will launch the Homebrew-installed Python 3 interpreter.
will launch the Homebrew-installed Python 2 interpreter (if any).
Homebrew Terminal Colors
Homebrew Terminal Profile
will launch the Homebrew-installed Python 3 interpreter.
If the Homebrew version of Python 2 is installed then pip2 will point to Python 2.If the Homebrew version of Python 3 is installed then pip will point to Python 3.
The rest of the guide will assume that python references Python 3.
Pipenv & Virtual Environments¶
The next step is to install Pipenv, so you can install dependencies and manage virtual environments.
A Virtual Environment is a tool to keep the dependencies required by different projectsin separate places, by creating virtual Python environments for them. It solves the“Project X depends on version 1.x but, Project Y needs 4.x” dilemma, and keepsyour global site-packages directory clean and manageable.
For example, you can work on a project which requires Django 1.10 while alsomaintaining a project which requires Django 1.8.
Homebrew Terminal
So, onward! To the Pipenv & Virtual Environments docs!
Install Brew Mac Os
This page is a remixed version of another guide,which is available under the same license.