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Boost MicroPython productivity in VSCode

pypi version python versions Documentation Status Star on GitHub All Contributors

Language grade: Python pytest tests/common codecov Black

Open in VSCode

The intellisense and code linting that is so prevalent in modern editors, does not work out-of-the-gate for MicroPython projects. While the language is Python, the modules used are different from CPython , and also different ports have different modules and classes , or the same class with different parameters.

Writing MicroPython code in a modern editor should not need to involve keeping a browser open to check for the exact parameters to read a sensor, light-up a led or send a network request.

Fortunately with some additional configuration and data, it is possible to make the editors understand your flavor of MicroPython, wether you use one of the pre-compiled firmwares, but also if you run a one-off custom firmware version.

demo]

In order to achieve this a few things are needed:

  1. Stub files for the native / enabled modules in the firmware using PEP 484 Type Hints
  2. Specific configuration of the VSCode Python extensions
  3. Specific configuration of Pylint [ Optional ]
  4. Suppression of warnings that collide with the MicroPython principals or code optimization.

Please review the documentation on [https://micropython-stubber.readthedocs.io]

With that in place, VSCode will understand MicroPython for the most part, and help you to write code, and catch more errors before deploying it to your board.

Note that the above is not limited to VSCode and pylint, but it happens to be the combination that I use.

A lot of subs have already been generated and are shared on github or other means, so it is quite likely that you can just grab a copy be be productive in a few minutes.

For now you will need to configure this by hand, or use the micropy cli` tool

  1. The sister-repo MicroPython-stubs contains all stubs I have collected with the help of others, and which can be used directly. That repo also contains examples configuration files that can be easily adopted to your setup.

  2. A second repo micropy-stubs repo maintained by BradenM, also contains stubs, but in a structure only used and distributed by the micropy-cli tool. You should use micropy-cli to consume stubs from that repo.

The (stretch) goal is to create a VSCode add-in to simplify the configuration, and allow easy switching between different firmwares and versions.

Install and basic usage

pip install micropython-stubber

# go to your working folder 
cd my_stub_folder
mkdir all-stubs

# clone the micropython repo's and switch to a specific version 
stubber clone
stubber switch --version v1.18

# get the document stubs for the current version ( v1.18 )
stubber get-docstubs

# get the frozen stubs for the current version ( v1.18 )
stubber get-frozen

# get the core CPython compatibility stubs from PyPi 
stubber get-core

# Update the fallback stubs
stubber update-fallback

#
ls all-stubs
dir all-stubs

Developing & testing

This is described in more detail in the developing and testing documents in the docs folder.

Branch Main

The name of the default branch has been changed to main. If you have cloned this repo before you main need to adjust the local repro to be aware of this, or create a fresh clone.

To update run the below command:

git branch -m master main                    
git fetch origin
git branch -u origin/main main                      
git remote set-head origin -a

for more info see Renaming a branch

Licensing

MicroPython-Stubber is licensed under the MIT license, and all contributions should follow this LICENSE.

Contributions


Jos Verlinde

💻 🔬 🤔 🖋 📚

Thonny, Python IDE for beginners

🤔 🔬

MicroPython

🔣 📚

Boris Lovosevic

🔣 📚

Paul Sokolovsky

🔣 📚

pycopy

🔣 📚

Pycom

🚇

Braden Mars

🐛 💻 📚 📦

James Manners

💻 🐛

Patrick

🐛 💻 📚

Paul m. p. P.

🤔 🔬

Edward K. Ream

🔌

Daryl Stultz

📚

Keeping things together

🐛

vbolshakov

🐛 📚

Mauro Riva

📝 🐛

MathijsNL

🐛

Callum Jacob Hays

🐛

Zoltán Vörös

🔣

vincent-l-j

📖

Egor Litvinov

🐛

This project follows the all-contributors specification. Contributions of any kind welcome!