Update: 优化Python Online板卡下「本地文件系统」

boards/default_src/python_pyodide/others/filesystem-fs.js

@@ -0,0 +1,96 @@
+import { FS } from 'mixly';
+
+
+export default class FileSystemFS extends FS {
+    static {
+        this.pool = window.workerpool.pool('../common/modules/mixly-modules/workers/web/file-system-access.js', {
+            workerOpts: {
+                name: 'pyodideFileSystemAccess'
+            },
+            workerType: 'web'
+        });
+    }
+
+    constructor() {
+        super();
+    }
+
+    async showDirectoryPicker() {
+        const directoryHandle = await window.showDirectoryPicker({ mode: 'readwrite' });
+        const permissionStatus = await directoryHandle.requestPermission({ mode: 'readwrite' });
+        if (permissionStatus !== 'granted') {
+            throw new Error('readwrite access to directory not granted');
+        }
+        await FileSystemFS.pool.exec('addFileSystemHandler', [directoryHandle]);
+        return directoryHandle;
+    }
+
+    async createFile(filePath) {
+        return this.writeFile(filePath, '');
+    }
+
+    async readFile(path) {
+        return FileSystemFS.pool.exec('readFile', [path, 'utf8']);
+    }
+
+    async writeFile(path, data) {
+        return FileSystemFS.pool.exec('writeFile', [path, data, 'utf8']);
+    }
+
+    async isFile(path) {
+        const [error, stats] = await FileSystemFS.pool.exec('stat', [path]);
+        if (stats && stats.mode === 33188) {
+            return [error, true];
+        }
+        return [error, false];
+    }
+
+    async renameFile(oldFilePath, newFilePath) {
+        return await FileSystemFS.pool.exec('rename', [oldFilePath, newFilePath]);
+    }
+
+    async moveFile(oldFilePath, newFilePath) {
+        return this.renameFile(oldFilePath, newFilePath);
+    }
+
+    async deleteFile(filePath) {
+        return FileSystemFS.pool.exec('unlink', [filePath]);
+    }
+
+    async createDirectory(folderPath) {
+        return FileSystemFS.pool.exec('mkdir', [folderPath, 0o777]);
+    }
+
+    async readDirectory(path) {
+        const result = await FileSystemFS.pool.exec('readdir', [path]);
+        if (result[0]) {
+            return [result[0], null];
+        }
+        return result;
+    }
+
+    async isDirectory(path) {
+        const [error, stats] = await FileSystemFS.pool.exec('stat', [path]);
+        if (stats && stats.mode === 33188) {
+            return [error, false];
+        }
+        return [error, true];
+    }
+
+    async isDirectoryEmpty(path) {
+        const [error, result = []] = await this.readDirectory(path);
+        return [error, !result?.length];
+    }
+
+    async renameDirectory(oldFolderPath, newFolderPath) {
+        return await FileSystemFS.pool.exec('rename', [oldFolderPath, newFolderPath]);
+    }
+
+    async moveDirectory(oldFolderPath, newFolderPath) {
+        return FileSystemFS.pool.exec('rename', [oldFolderPath, newFolderPath]);
+    }
+
+    async deleteDirectory(folderPath) {
+        return FileSystemFS.pool.exec('rmdir', [folderPath]);
+    }
+}