初始化提交
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王立帮
194
boards/default_src/python_skulpt/others/python-shell.js
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194
boards/default_src/python_skulpt/others/python-shell.js
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import MixpyProject from './mixpy-project';
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import PyEngine from './py-engine';
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import { Workspace, Msg } from 'mixly';
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import StatusBarImage from './statusbar-image';
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class PythonShell {
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static {
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this.pythonShell = null;
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this.init = async function () {
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StatusBarImage.init();
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this.pythonShell = new PythonShell();
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}
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this.run = function () {
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const mainWorkspace = Workspace.getMain();
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const editor = mainWorkspace.getEditorsManager().getActive();
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const code = editor.getCode();
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return this.pythonShell.run(code);
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}
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this.stop = function () {
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return this.pythonShell.stop();
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}
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}
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#statusBarTerminal_ = null;
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#statusBarImage_ = null;
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#statusBarsManager_ = null;
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#cursor_ = {
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row: 0,
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column: 0
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};
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#prompt_ = '';
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#inputResolve_ = null;
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#inputReject_ = null;
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#waittingForInput_ = false;
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#running_ = false;
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#pyEngine_ = null;
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#onCursorChangeEvent_ = () => this.#onCursorChange_();
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#commands_ = [
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{
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name: 'REPL-Enter',
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bindKey: 'Enter',
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exec: (editor) => {
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const session = editor.getSession();
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const cursor = session.selection.getCursor();
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if (cursor.row === this.#cursor_.row) {
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const newPos = this.#statusBarTerminal_.getEndPos();
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let str = this.#statusBarTerminal_.getValueRange(this.#cursor_, newPos);
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str = str.replace(this.#prompt_, '');
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this.#inputResolve_?.(str);
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this.#inputResolve_ = null;
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this.#inputReject_ = null;
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this.#statusBarTerminal_.addValue('\n');
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this.#exitInput_();
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return true;
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}
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return false;
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}
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}, {
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name: 'REPL-ChangeEditor',
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bindKey: 'Delete|Ctrl-X|Backspace',
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exec: (editor) => {
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const session = editor.getSession();
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const cursor = session.selection.getCursor();
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if (cursor.row < this.#cursor_.row || cursor.column <= this.#cursor_.column) {
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return true;
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}
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return false;
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}
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}
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];
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constructor() {
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const mainWorkspace = Workspace.getMain();
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this.#statusBarsManager_ = mainWorkspace.getStatusBarsManager();
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this.#statusBarTerminal_ = this.#statusBarsManager_.getStatusBarById('output');
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this.#statusBarImage_ = this.#statusBarsManager_.getStatusBarById('images');
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this.#pyEngine_ = new PyEngine({}, new MixpyProject());
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this.#pyEngine_.loadEngine(this.#statusBarImage_.getContent().children()[0]);
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this.#addEventsListener_();
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}
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#addEventsListener_() {
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const events = this.#pyEngine_.getEvents();
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events.bind('finished', () => {
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this.#running_ = false;
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this.#statusBarTerminal_.addValue(`\n==${Msg.Lang['shell.finish']}==`);
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});
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events.bind('output', (data) => {
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this.#statusBarTerminal_.addValue(data.content);
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});
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events.bind('error', (data) => {
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this.#running_ = false;
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this.#statusBarTerminal_.addValue(`\n${data.toString()}\n`);
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});
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events.bind('input', (data) => {
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const prompt = String(data?.content?.prompt);
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this.#statusBarTerminal_.addValue(`>>> ${prompt}`);
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this.#prompt_ = prompt;
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this.#inputResolve_ = data.resolve;
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this.#inputReject_ = data.reject;
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this.#enterInput_();
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});
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events.bind('display', (data) => {
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this.#statusBarsManager_.changeTo('images');
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this.#statusBarImage_.display(data);
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});
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}
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#onCursorChange_() {
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const editor = this.#statusBarTerminal_.getEditor();
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const session = editor.getSession();
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const cursor = session.selection.getCursor();
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editor.setReadOnly(
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cursor.row < this.#cursor_.row || cursor.column < this.#cursor_.column
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);
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}
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#enterInput_() {
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if (!this.#running_) {
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return;
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}
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this.#waittingForInput_ = true;
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this.#cursor_ = this.#statusBarTerminal_.getEndPos();
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const editor = this.#statusBarTerminal_.getEditor();
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editor.setReadOnly(false);
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editor.focus();
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const session = editor.getSession();
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session.selection.on('changeCursor', this.#onCursorChangeEvent_);
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editor.commands.addCommands(this.#commands_);
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}
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#exitInput_() {
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this.#waittingForInput_ = false;
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const editor = this.#statusBarTerminal_.getEditor();
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const session = editor.getSession();
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session.selection.off('changeCursor', this.#onCursorChangeEvent_);
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editor.commands.removeCommands(this.#commands_);
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this.#prompt_ = '';
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this.#inputResolve_?.('');
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// this.#inputReject_?.({});
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this.cursor_ = { row: 0, column: 0 };
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editor.setReadOnly(true);
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}
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addPrompt(prompt, resolve, reject) {
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this.#statusBarTerminal_.addValue(prompt);
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this.#prompt_ = prompt;
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this.#inputResolve_ = resolve;
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this.#inputReject_ = reject;
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this.#enterInput_();
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}
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async run(code) {
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await this.stop();
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this.#statusBarsManager_.changeTo('output');
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this.#statusBarsManager_.show();
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this.#statusBarTerminal_.setValue(`${Msg.Lang['shell.running']}...\n`);
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this.#running_ = true;
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if (code.indexOf('import turtle') !== -1
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|| code.indexOf('from turtle import') !== -1
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|| code.indexOf('import matplotlib') !== -1
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|| code.indexOf('from matplotlib import') !== -1
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|| code.indexOf('import pgzrun') !== -1
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|| code.indexOf('from pgzrun import') !== -1
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|| code.indexOf('import sprite') !== -1
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|| code.indexOf('from sprite import') !== -1) {
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this.#statusBarsManager_.changeTo('images');
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}
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this.#pyEngine_.run(code);
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}
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async stop() {
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if (this.#waittingForInput_) {
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this.#exitInput_();
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}
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if (this.#running_) {
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this.#pyEngine_.kill();
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await this.sleep(500);
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this.#running_ = false;
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}
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}
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sleep(ms) {
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return new Promise(resolve => setTimeout(resolve, ms));
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}
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}
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export default PythonShell;
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