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Improve Python syntax highlighting

See original GitHub issue

monaco-editor version: 0.19.2 Browser: Chrome 79 maybe OS: macOS Mojave Playground code that reproduces the issue:

monaco.editor.create(document.getElementById("container"), {
	value: "from functions import sum, average",
	language: "python"
});

Basically some import statements in Python aren’t highlighted properly.

How Monaco/Monarch highlights things:

How VSCode highlights things:

Issue Analytics

State:
Created 4 years ago
Reactions:3
Comments:5 (2 by maintainers)

Top GitHub Comments

4reactions

bolinfestcommented, Jan 24, 2020

More importantly, this seems to be missing Python 3 features like recognizing async/await as keywords and supporting f-strings.

0reactions

bloiscommented, Jan 21, 2020

It should be possible to implement a Monarch tokenizer which results in a token stream similar to what the TextMate grammars result in. Right now implementing a Monarch tokenizer which approximates TextMate will result in a loss of syntax highlighting as Monaco’s default theme does not support all of the tokens.

I did extend the Monarch Python syntax highlighting to be closer to TextMate, but this required a number of customizations to the theme as well, would be great if I could make a PR to monaco-languages without it requiring theme customizations.

Python editor with my customizations: https://colab.research.google.com/gist/blois/00fa28cdb0433e62c8106a4b5812d024/syntax-highlighting.ipynb