pyjs is modern pybind11 + emscripten Embind based Python <-> JavaScript foreign function interface (FFI) for wasm/emscripten compiled Python.
The API is loosly based on the FFI of pyodide.
See the documentation for a full documentation.
To try it out, you can use the playground.
Access Javascript from Python:
import pyjs
# hello world
pyjs.js.console.log("Hello, World!")
# create a JavaScript function to add two numbers
js_function = pyjs.js.Function("a", "b", """
console.log("Adding", a, "and", b)
return a + b
""")
# call the function
result = js_function(1, 2)Access Python from Javascript:
// hello world
pyjs.eval("print('Hello, World!')")
// eval a python expression and get the result
const py_list = pyjs.eval("[i for i in range(10)]")
/// access
console.log(py_list.get(0)) // same as py_list[0] on the python side