Format python code on save in visual studio code

Published: 20 August 2024
on channel: CodeGPT
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formatting python code automatically upon saving in visual studio code (vs code) can greatly enhance your coding workflow and maintain code consistency. here's a step-by-step tutorial on how to set up this feature using the popular `black` formatter, but you can use other formatters like `autopep8` or `yapf` as well.

step 1: install visual studio code

if you haven't already, download and install visual studio code from the [official website](https://code.visualstudio.com/).

step 2: install python extension for vs code

1. open visual studio code.
2. go to the extensions view by clicking on the extensions icon in the activity bar on the side of the window or by pressing `ctrl+shift+x`.
3. search for "python" in the search bar.
4. install the official python extension by microsoft.

step 3: install a code formatter

for this tutorial, we'll use `black` as our code formatter. you can install it via pip. open your terminal or command prompt and run:



step 4: configure vs code to use the formatter

1. open your vs code settings. you can do this by clicking on the gear icon in the bottom left corner and selecting "settings" or by pressing `ctrl+,`.
2. in the search bar of the settings window, type `format on save`.
3. check the box for **editor: format on save**. this will enable automatic formatting each time you save a file.
4. next, search for `python formatting provider` in the settings.
5. from the dropdown, select `black` as the formatting provider.

alternatively, you can modify your `settings.json` file directly. to do this:

1. press `ctrl + shift + p` to open the command palette.
2. type `preferences: open settings (json)` and select it.
3. add or modify the following lines in your `settings.json`:



step 5: example of formatting with black

here’s a small example to demonstrate what `black` does when formatting:

#### before formatting (example.py)



#### after formatting (example.py)

when you save the above code in vs code, it wi ...

#python format number with commas
#python format float
#python format print
#python format datetime
#python format string

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