Spaces:
Sleeping
Sleeping
File size: 2,778 Bytes
efe3ae2 |
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 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 |
import { loadPyodide, type PyodideInterface } from 'pyodide';
declare global {
interface Window {
stdout: string | null;
stderr: string | null;
pyodide: PyodideInterface;
cells: Record<string, CellState>;
indexURL: string;
}
}
type CellState = {
id: string;
status: 'idle' | 'running' | 'completed' | 'error';
result: any;
stdout: string;
stderr: string;
};
const initializePyodide = async () => {
// Ensure Pyodide is loaded once and cached in the worker's global scope
if (!self.pyodide) {
self.indexURL = '/pyodide/';
self.stdout = '';
self.stderr = '';
self.cells = {};
self.pyodide = await loadPyodide({
indexURL: self.indexURL
});
}
};
const executeCode = async (id: string, code: string) => {
if (!self.pyodide) {
await initializePyodide();
}
// Update the cell state to "running"
self.cells[id] = {
id,
status: 'running',
result: null,
stdout: '',
stderr: ''
};
// Redirect stdout/stderr to stream updates
self.pyodide.setStdout({
batched: (msg: string) => {
self.cells[id].stdout += msg;
self.postMessage({ type: 'stdout', id, message: msg });
}
});
self.pyodide.setStderr({
batched: (msg: string) => {
self.cells[id].stderr += msg;
self.postMessage({ type: 'stderr', id, message: msg });
}
});
try {
// Dynamically load required packages based on imports in the Python code
await self.pyodide.loadPackagesFromImports(code, {
messageCallback: (msg: string) => {
self.postMessage({ type: 'stdout', id, package: true, message: `[package] ${msg}` });
},
errorCallback: (msg: string) => {
self.postMessage({ type: 'stderr', id, package: true, message: `[package] ${msg}` });
}
});
// Execute the Python code
const result = await self.pyodide.runPythonAsync(code);
self.cells[id].result = result;
self.cells[id].status = 'completed';
} catch (error) {
self.cells[id].status = 'error';
self.cells[id].stderr += `\n${error.toString()}`;
} finally {
// Notify parent thread when execution completes
self.postMessage({
type: 'result',
id,
state: self.cells[id]
});
}
};
// Handle messages from the main thread
self.onmessage = async (event) => {
const { type, id, code, ...args } = event.data;
switch (type) {
case 'initialize':
await initializePyodide();
self.postMessage({ type: 'initialized' });
break;
case 'execute':
if (id && code) {
await executeCode(id, code);
}
break;
case 'getState':
self.postMessage({
type: 'kernelState',
state: self.cells
});
break;
case 'terminate':
// Explicitly clear the worker for cleanup
for (const key in self.cells) delete self.cells[key];
self.close();
break;
default:
console.error(`Unknown message type: ${type}`);
}
};
|