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Comments on Can you have syntax highlighting for streaming text in Python?

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Can you have syntax highlighting for streaming text in Python?

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Suppose you have a situation where text is coming 1 word at a time, and you want to quickly show it to the user. "Quickly" is not in the sense of a performance constraint, but rather we don't want to wait until the end of the stream to apply highlighting as that would take too long. The rate is somewhat slow and sometimes the stream can be quite long.

The text is markdown but can often include substantial code. It would be important for the code to be highlighted well also. Sometimes the code fences indicate language, sometimes not.

Is this feasible, and how? I am asking specifically for printing text from a Python program.

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Does bat work for this, as well as for your other question? I see you have tagged your question as Python, but I'm not sure I understand how it's relevant.

Sources: this issue comment and also that one.

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Python (3 comments)
Python
matthewsnyder‭ wrote 5 months ago

Maybe I was too coy in relying on the tag alone :)

Bat is a great pointer - I guess it can stream so it must be possible. But it wouldn't work for me directly, unless you know a way to use bat as a Python library. I think that if I simply run bat through subprocess the colors won't show up... Or will they?

Michael‭ wrote 5 months ago

That I do not know. You should be able to make Python bindings for a Rust project with py03, but I haven't done this, and I don't know whether streaming would work there...

Michael‭ wrote 5 months ago

Apparently, there is already a project for Syntect bindings in Python.