Pylint Tutorial - How to Write Clean Python

dbader.org/python-tricks ► Get examples of clean and Pythonic code that passes any Pylint or PEP 8 run.
In this Pylint tutorial video you'll see how to install and set up the Pylint code linter for Python step by step. We'll go over why you should use a code linter like Pylint, Flake8, Pyflakes, or other static analysis tools-and how they can help you write cleaner and more Pythonic code.
Pylint is a well-known static analysis tool for Python 2 and 3. It has a number of useful features, like checking your code for compliance with the PEP 8 Python style guide. It makes sure that your code follows the code style guide and it can also automatically identify common bugs and errors in your Python code.
To set up Pylint you'll first need to install it with the `pip install` command and then you can run it on any Python file with the "pylint" command. Pylint inspects your code and then gives you feedback on it. Besides running Pylint from the command-line you can also integrate it into your editor to get live feedback on your Python code.
In this Pylint tutorial I'm going over the feedback produced by Pylint and I'm taking it to refactor and improve the quality of my code. You can get this setup up and running in a few minutes and it'll quickly help you write better and cleaner Python code.
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[@drew4980]

My new favorite python youtuber! Really love how you're bridging the gap between beginner and intermediate. Not many other people do that very well but you're nailing it.

[@realpython]

Thank you for the kind words! :-)

[@noinformationavailable4114]

I had so much trouble understanding python until i saw your videos! You turned my crappy unclean and duct taped code into something nice and presentable!!

[@realpython]

That's great to hear! I'm glad the videos have been helpful to you. :-)

[@sepehrnematollahi1151]

Thanks for putting a little content between all the ads!

[@webapplicationguide3798]

Thanks Dan for all those tips.

[@egimessito]

read...actually studied your book. Finally going deep is now easy to understand how to go from cs or java to py. Well done and thank you

[@JoshEnglish]

The score is based on the number of errors and the number of lines. 10 is "perfect" and there is no lower bound to the score.

[@harshmishra8990]

Thanks for such amazing tutorials.

[@RobinTheHoodedMan]

Great video. As a Python noobie I'm still finding out all the wrinkles, and finding out about helpful programming tools, and seeking the 'ultimate' IDE for Python (lol). Succint and to the point, nice one. Now I'm subscribed!!

[@realpython]

Thanks! I hope I can continue to help you on your journey through Python!

[@sergeydeluxe]

Great tutorial! Thank you!

[@tarekhesham5133]

Thank you very much for these great tips.

[@realpython]

You're welcome :-)

[@shahrokhabbasirad2223]

I really enjoyed. This video is AWESOME

[@realpython]

Thanks for the kind words!

[@iaroslavdavydiak6439]

Awesome. Thank you!

[@satoshinakamoto171]

thanks ur great. please keep making videos ...ur helping the community alot with ur helpful videos.

[@realpython]

Thanks for the kind words!

[@philtoa334]

it was time for u to use that 🤣. Thanks really nice vid.

[@Zinzin09]

Wondering how you edited your terminal window removing the title bar??? Great video! Keep it up with the great content!

[@realpython]

It's a setting in iTerm2 (remove border or something like that).

[@maukaladka4100]

Nice one

[@cybersphere]

If you use Visual Studio Code, Pylint is included by default. You just have to give installation permission. Style errors are then highlighted automagically.

[@dineshsadhwani3717]

Automagically? You mean automatically?

[@cybersphere]

@@dineshsadhwani3717 No, automagically. It combines the words automatic and magically and means automatically in a way that seems magical.

[@ivanlaplante]

3:26 Could anyone tell me in which context he recommends using vEnv? To install any (surf?) Python tool/dependency?

[@malharjajoo7393]

Nice tutorial.

[@realpython]

Thanks!

[@angelluisgarciaguzman5598]

It just works!

[@kennyPAGC]

pylint missed the triple whitespace between the keyword def and the function name crash

[@MrVictorock]

You should do videos about job interview in python too...for example: What a python developer must know before a job interview?

[@youwouldbetterfuckme]

This question disqualifies a candidate IMHO.

[@jamesuejio2787]

realpython.com/python-coding-interview-tips/ :D We will have a related video walkthrough attached to the video in the next coming months.

[@petrockspiracy3120]

Can anyone explain to me why I get a mixed-indentation error for using tabs only when I haven't used spaces? If I just use spaces it's okay but surely no one actually types out four spaces... I don't get it. Edit: okay I just did adjusted the option at the bottom right of the window to be spaces and it converts them for you

[@sumitkumarsain5542]

Hi Dan. Do u have a playlist for python tutorials!! Thanks, Sumit

[@realpython]

I have a few playlists available, you can check them out here: kzbin.info/door/I0vQvr9aFn27yR6Ej6n5UAplaylists

[@Danny-uq9zf]

What shell is that!? Please make a video on installing and customizing that terminal/shell!

[@3ckortreat]

how did you make your terminal frameless??

[@ayushtripathi1125]

I know I'm three years late, but I'm new to python and I would appreciate some help. I successfully installed pylint, but when I do "pylint [full path of file name]" command prompt says pylint is not recognized as an internal or external command. Please help, thanks!

[@compphysgeek]

looks like pylint is not in your path, so you must either update your path variable with the location of pylint or call pylint also with its full path

[@VenkateshwaraDoijode]

How to save pylint example.py console output to text file ?

[@dmytroohorodnik3562]

You can run "pylint pylint" :)

[@malic_zarith]

I have a question. A bunch of people say to work 6 hours a day if one wants to learn programming for a job. I only work four hours a day. This includes also working 4 hours on weekends. Is that enough, or should I start doing 6?

[@realpython]

Yes, that is enough. Some people only manage about an hour a day, as long as you are consistent with it, you will find yourself progressing.

[@malic_zarith]

@@realpython Ok that's good

[@banderilllero]

so is this equivalent to Misra checker?

[@lumed2189]

Pylint👍👍😍

[@vaneakatok]

I can't find a way, I mean a video on generating UMLs Do you have are intend to do any?

[@ArturdeSousaRocha]

Personally I prefer to leave pylint as it is and only disable specific messages to indicate that I had a good reason to do something and it's not an error. Interestingly, VS Code disables almost all pylint messages by default.

[@elhamzeinodini4828]

💥💥💥

[@inftertainment]

Running ‘pip install pylint’ in terminal gets me nothing but ‘-bash: pip: command not found’

[@KishoreKumar-is3qn]

install pip

[@AtlantaTerry]

@@KishoreKumar-is3qn thanks, but noobs might not know how.

[@EnglishRain]

13:00 - didn't realize we had to uppercase base level variables.

[@bfdhtfyjhjj]

Hes wrong. You need to use uppercase because its not variable, its a constat.

[@EnglishRain]

@@bfdhtfyjhjj Thanks for correcting me.

[@amberlong1354]

me too.

[@atefehnasiran1294]

I wanted to pylint one of my files butvI had SyntaxError: invalid syntax what can I do?

[@vighnesh153]

Or use PyCharm

[@vighnesh153]

@Peter Mortensen it has builtin pep8 checks.

[@swadhikarc7858]

Line 14 has more spaces between def and function name, still a perfect code 😂

[@budi0580]

Is this tutorial still relevant today ?

[@Albin_Evald]

after watching for 17 minutes, 17:07.... DOH

[@jimgolab536]

Lint = Lexical Interpreter.

[@CryptoPi_314]

If possible can you plz. make a video on 'Design Patterns with Python': en.wikipedia.org/wiki/Design_Patterns#Patterns_by_Type :)

[@gshan994]

Arjan codes is a youtube channel to check for design patterns with python

[@oxygenist]

.

[@yuverris]

nice pylint ruined my whole day

[@jonathanmoore5619]

Concentrate on creating... Python... Literally the snake eating it's own tail...

[@jonathanmoore5619]

@Peter Mortensen I rest my case... Some make, some check, some do nothing at all.