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Adding __terminal__ reference on terminal scripts (#1947)

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This commit is contained in:
Andrea Giammarchi
2024-01-22 15:34:36 +01:00
committed by GitHub
parent 7ad7f0abfb
commit cea52b4334
8 changed files with 135 additions and 76 deletions
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15
pyscript.core/src/plugins/py-terminal.js
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@@ -78,13 +78,18 @@ const pyTerminal = async () => {
fitAddon.fit();
terminal.focus();
defineProperty(element, "terminal", { value: terminal });
return terminal;
};
// branch logic for the worker
if (element.hasAttribute("worker")) {
// when the remote thread onReady triggers:
// setup the interpreter stdout and stderr
const workerReady = ({ interpreter, io }, { sync }) => {
const workerReady = ({ interpreter, io, run }, { sync }) => {
// in workers it's always safe to grab the polyscript currentScript
run(
"from polyscript.currentScript import terminal as __terminal__",
);
sync.pyterminal_drop_hooks();
// This part is inevitably duplicated as external scope
@@ -135,14 +140,18 @@ const pyTerminal = async () => {
} else {
// in the main case, just bootstrap XTerm without
// allowing any input as that's not possible / awkward
hooks.main.onReady.add(function main({ interpreter, io }) {
hooks.main.onReady.add(function main({ interpreter, io, run }) {
console.warn("py-terminal is read only on main thread");
hooks.main.onReady.delete(main);
init({
// on main, it's easy to trash and clean the current terminal
globalThis.__py_terminal__ = init({
disableStdin: true,
cursorBlink: false,
cursorStyle: "underline",
});
run("from js import __py_terminal__ as __terminal__");
delete globalThis.__py_terminal__;
// This part is inevitably duplicated as external scope
// can't be reached by workers out of the box.