python-eel/Eel

Question: Call async Javascript function from Python

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#741 opened on Sep 9, 2024

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help wanted

Description

Maybe I'm stupid, but I don't understand how to call an async JS function from Python. For example:

eel.expose(test);
async function test() {
    console.log("Hello world!");
}

This does not work:

eel.test()

Contributor guide

Tech stack
pythonjavascript
Domain
full stackdeveloper experience
Issue type
documentation
DifficultyEstimated implementation difficulty for a new contributor, from 1 for very small changes to 5 for expert-level work.
2
Estimated timeA rough time range for an experienced contributor to investigate, implement, test, and prepare a pull request.
under 1 hour
Activity statusHow available the issue appears right now: fresh, active, stale, blocked, or waiting on maintainer input.
needs maintainer response
ClarityHow clearly the issue explains the expected change, acceptance criteria, and next step.
clear
Prerequisites
Basic PythonBasic JavaScriptEel library basics
Newbie friendlinessA 1-100 score estimating how approachable this issue is for first-time contributors.
50
Research direction
The issue requests clarification on calling async JavaScript functions from Python using Eel. Investigate the Eel library's source code for how exposed functions are called, particularly the handling of promises or async functions. Check existing documentation and any related issues or pull requests. Provide a clear example or documentation update.