File size: 1,573 Bytes
349fb8b |
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 |
importScripts("https://cdn.jsdelivr.net/pyodide/v0.24.1/full/pyodide.js");
self.micropipIncludePre = false;
self.pythonModuleName = null;
self.initialized = false;
self.flet_js = {}; // namespace for Python global functions
self.initPyodide = async function () {
self.pyodide = await loadPyodide();
self.pyodide.registerJsModule("flet_js", flet_js);
flet_js.documentUrl = documentUrl;
await self.pyodide.loadPackage("micropip");
let pre = self.micropipIncludePre ? "True" : "False";
await self.pyodide.runPythonAsync(`
import micropip
import os
from pyodide.http import pyfetch
response = await pyfetch("app.tar.gz")
await response.unpack_archive()
if os.path.exists("requirements.txt"):
with open("requirements.txt", "r") as f:
deps = [line.rstrip() for line in f]
print("Loading requirements.txt:", deps)
await micropip.install(deps, pre=${pre})
`);
pyodide.pyimport(self.pythonModuleName);
await self.flet_js.start_connection(self.receiveCallback);
self.postMessage("initialized");
};
self.receiveCallback = (message) => {
self.postMessage(message);
}
self.onmessage = async (event) => {
// run only once
if (!self.initialized) {
self.initialized = true;
self.documentUrl = event.data.documentUrl;
self.micropipIncludePre = event.data.micropipIncludePre;
self.pythonModuleName = event.data.pythonModuleName;
await self.initPyodide();
} else {
// message
flet_js.send(event.data);
}
}; |