jprdonnelly/pyscript
1
0
Fork 0
mirror of https://github.com/pyscript/pyscript.git synced 2025-12-20 10:47:35 -05:00
Code Issues Projects Releases Wiki Activity

Provide input("") and sync output to MicroPython (#2016)

Browse Source 
Provide input("") and sync output to MicroPython
This commit is contained in:
Andrea Giammarchi
2024-04-04 17:34:12 +02:00
committed by GitHub
parent 1fb6cddd70
commit 2f1b764251
3 changed files with 23 additions and 10 deletions
Download Patch File Download Diff File Expand all files Collapse all files

27
pyscript.core/src/plugins/py-terminal.js
View File

@@ -58,22 +58,35 @@ const workerReady = ({ interpreter, io, run, type }, { sync }) => {
// to bootstrap a REPL like environment
interpreter.registerJsModule("code", {
interact() {
const encoder = new TextEncoder();
const acc = [];
let input = "";
let length = 1;
io.stdout = ([c]) => {
const encoder = new TextEncoder();
const acc = [];
io.stdout = (buffer) => {
// avoid duplicating the output produced by the input
if (length++ > input.length) acc.push(c);
if (length++ > input.length) {
acc.push(...buffer);
pyterminal_write(decoder.decode(buffer));
}
};
interpreter.replInit();
// monkey patch global input otherwise broken in MicroPython
interpreter.registerJsModule("_pyscript_input", {
input: pyterminal_read,
});
run("from _pyscript_input import input");
// loop forever waiting for user inputs
(function repl() {
const out = decoder.decode(new Uint8Array(acc.splice(0)));
pyterminal_write(out);
// print in current line only the last line produced by the REPL
data = out.split("\n").at(-1);
input = encoder.encode(`${pyterminal_read(data)}\r`);
const data = `${pyterminal_read(out.split("\n").at(-1))}\r`;
length = 0;
input = encoder.encode(data);
for (const c of input) interpreter.replProcessChar(c);
repl();
})();