Download Kite for free! Available for Python on Mac, Windows, & Linux. Kite works 100% locally, and easily plugs into your code editor. Code smart & fast. This video explains how to install Python 3 in a Mac OS X, both Mavericks and Yosemite. As the Python website says, 'Python 2.x is legacy, Python 3.x is the.
Once you have decided that Python is an awesome language to learnand you have heard all about the the cool featuresawaiting you, you are determined to install the latest versions on your laptop so that you can startdeveloping.
You may be a little concerned about the differences between Python 2 and Python 3, so you wantto make sure that you have the latest versions of each available. This will enable you to switchbetween them easily and work on porting Python 2 programs to Python 3.
OS vendor Python versions lag behind the latest available and can only be updated by installing amajor patch or bolting-on an additional Python installation:
One way to work around this issue is to use
pyenv to install theversions of Python you want to use. This tool provides a simplified build environment for installingthe Pythons you want, while providing a set of shell script shims that makes it easy to switch betweenthem. This tool was inspired by and forked from rbenv andruby-build .
Install Python with pyenv¶
Useful Python Packages¶
This is a small collecton of useful packages that will help get you started doing useful thingswith Python.
Install flake8, which is a static analyzer that enforcesgood Python coding style and alerts you to coding mistakes. Now that you have Python installed,you can use the
pip command to install any additional modules that you want to use. You willneed to install modules separately for each version of Python you are actively using.
Install advanced Python Read-Eval-Print-Loop (REPL) packages, which will make it easier to explorePython code, because they grant access to tab completion and fancy editing capabilities. The
ipython tool is a command line REPL, which can be exited with ctrl-d . Jupyter Notebook is a browser-basedREPL that operates on individual cells of code. The IPython Interactive Computingwebsite has more information on these tools.
Install Requests: HTTP for Humans, which makes it easyto consume HTTP services. See GitHub's REST API v3 documentationfor more details on endpoints that are avaialble.
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Install Flask: A Python Microframework, which can be used to quickly buildsmall websites that automate everyday tasks.
Install Python On Mac
If you need Python package isolation on a per-project basis, because you have conflicting setsof packages specified for different projects, you can use virtualenvto set up separate environments. The
virtualenv tool establishes a clean room Python installation,either based upon the current version of Python in use, or a version specified on the command line.If you have multiple Python versions activated in pyenv , you can use virtualenv to switch betweenthem easily.
Automated Testing with Python¶
While working on Python programs, you may be interested in automating testing. The most commonchoice for implementing this is tox, which willallow you to run tests with multiple different versions of Python, if needed.
Python Packaging¶
After completing a Python program or two, you will be interested in learning how to distribute themeffectively. The Python Packaging User Guide has some good adviceon this topic.
Quickstart Commands¶
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December 2020
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