mirror of
https://github.com/n8n-io/n8n.git
synced 2024-12-24 20:24:05 -08:00
feat(Code Node): Add Python support (#4295)
This commit is contained in:
Jan Oberhauser
GitHub
parent
1e6a75f341
commit
35c8510ab6
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@ -30,6 +30,7 @@
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"@codemirror/commands": "^6.1.0",
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"@codemirror/lang-javascript": "^6.1.2",
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"@codemirror/lang-json": "^6.0.1",
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"@codemirror/lang-python": "^6.1.2",
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"@codemirror/lang-sql": "^6.4.1",
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"@codemirror/language": "^6.2.1",
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"@codemirror/lint": "^6.0.0",
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@ -1,6 +1,6 @@
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<template>
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<div
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:class="['code-node-editor', $style['code-node-editor-container']]"
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:class="['code-node-editor', $style['code-node-editor-container'], language]"
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@mouseover="onMouseOver"
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@mouseout="onMouseOut"
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ref="codeNodeEditorContainer"
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@ -23,50 +23,42 @@ import type { PropType } from 'vue';
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import { mapStores } from 'pinia';
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import mixins from 'vue-typed-mixins';
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import type { LanguageSupport } from '@codemirror/language';
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import type { Extension } from '@codemirror/state';
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import { Compartment, EditorState } from '@codemirror/state';
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import type { ViewUpdate } from '@codemirror/view';
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import { EditorView } from '@codemirror/view';
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import { javascript } from '@codemirror/lang-javascript';
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import { json } from '@codemirror/lang-json';
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import { python } from '@codemirror/lang-python';
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import type { CodeExecutionMode, CodeNodeEditorLanguage } from 'n8n-workflow';
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import { CODE_EXECUTION_MODES, CODE_LANGUAGES } from 'n8n-workflow';
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import { readOnlyEditorExtensions, writableEditorExtensions } from './baseExtensions';
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import { linterExtension } from './linter';
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import { completerExtension } from './completer';
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import { codeNodeEditorTheme } from './theme';
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import { workflowHelpers } from '@/mixins/workflowHelpers'; // for json field completions
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import { ASK_AI_MODAL_KEY, CODE_NODE_TYPE } from '@/constants';
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import { codeNodeEditorEventBus } from '@/event-bus';
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import {
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ALL_ITEMS_PLACEHOLDER,
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CODE_LANGUAGES,
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CODE_MODES,
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EACH_ITEM_PLACEHOLDER,
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} from './constants';
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import { useRootStore } from '@/stores/n8nRootStore';
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import Modal from '../Modal.vue';
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import { useSettingsStore } from '@/stores/settings';
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import type { CodeLanguage, CodeMode } from './types';
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import Modal from '@/components/Modal.vue';
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const placeholders: Partial<Record<CodeLanguage, Record<CodeMode, string>>> = {
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javaScript: {
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runOnceForAllItems: ALL_ITEMS_PLACEHOLDER,
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runOnceForEachItem: EACH_ITEM_PLACEHOLDER,
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},
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};
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import { readOnlyEditorExtensions, writableEditorExtensions } from './baseExtensions';
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import { CODE_PLACEHOLDERS } from './constants';
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import { linterExtension } from './linter';
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import { completerExtension } from './completer';
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import { codeNodeEditorTheme } from './theme';
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export default mixins(linterExtension, completerExtension, workflowHelpers).extend({
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name: 'code-node-editor',
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components: { Modal },
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props: {
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mode: {
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type: String as PropType<CodeMode>,
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validator: (value: CodeMode): boolean => CODE_MODES.includes(value),
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type: String as PropType<CodeExecutionMode>,
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validator: (value: CodeExecutionMode): boolean => CODE_EXECUTION_MODES.includes(value),
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},
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language: {
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type: String as PropType<CodeLanguage>,
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default: 'javaScript' as CodeLanguage,
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validator: (value: CodeLanguage): boolean => CODE_LANGUAGES.includes(value),
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type: String as PropType<CodeNodeEditorLanguage>,
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default: 'javaScript' as CodeNodeEditorLanguage,
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validator: (value: CodeNodeEditorLanguage): boolean => CODE_LANGUAGES.includes(value),
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},
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isReadOnly: {
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type: Boolean,
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@ -79,19 +71,30 @@ export default mixins(linterExtension, completerExtension, workflowHelpers).exte
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data() {
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return {
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editor: null as EditorView | null,
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languageCompartment: new Compartment(),
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linterCompartment: new Compartment(),
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isEditorHovered: false,
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isEditorFocused: false,
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};
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},
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watch: {
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mode(newMode, previousMode: CodeMode) {
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mode(newMode, previousMode: CodeExecutionMode) {
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this.reloadLinter();
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if (this.content.trim() === placeholders[this.language]?.[previousMode]) {
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if (this.content.trim() === CODE_PLACEHOLDERS[this.language]?.[previousMode]) {
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this.refreshPlaceholder();
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}
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},
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language(newLanguage, previousLanguage: CodeNodeEditorLanguage) {
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if (this.content.trim() === CODE_PLACEHOLDERS[previousLanguage]?.[this.mode]) {
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this.refreshPlaceholder();
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}
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const [languageSupport] = this.languageExtensions;
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this.editor?.dispatch({
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effects: this.languageCompartment.reconfigure(languageSupport),
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});
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},
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},
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computed: {
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...mapStores(useRootStore),
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@ -104,7 +107,17 @@ export default mixins(linterExtension, completerExtension, workflowHelpers).exte
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return this.editor.state.doc.toString();
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},
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placeholder(): string {
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return placeholders[this.language]?.[this.mode] ?? '';
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return CODE_PLACEHOLDERS[this.language]?.[this.mode] ?? '';
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},
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languageExtensions(): [LanguageSupport, ...Extension[]] {
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switch (this.language) {
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case 'json':
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return [json()];
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case 'javaScript':
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return [javascript(), this.autocompletionExtension('javaScript')];
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case 'python':
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return [python(), this.autocompletionExtension('python')];
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}
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},
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},
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methods: {
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@ -178,6 +191,7 @@ export default mixins(linterExtension, completerExtension, workflowHelpers).exte
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insertedText = full.slice(lastDotIndex + 1);
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}
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// TODO: Still has to get updated for Python and JSON
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this.$telemetry.track('User autocompleted code', {
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instance_id: this.rootStore.instanceId,
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node_type: CODE_NODE_TYPE,
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@ -234,14 +248,8 @@ export default mixins(linterExtension, completerExtension, workflowHelpers).exte
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);
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}
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switch (language) {
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case 'json':
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extensions.push(json());
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break;
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case 'javaScript':
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extensions.push(javascript(), this.autocompletionExtension());
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break;
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}
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const [languageSupport, ...otherExtensions] = this.languageExtensions;
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extensions.push(this.languageCompartment.of(languageSupport), ...otherExtensions);
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const state = EditorState.create({
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doc: this.value || this.placeholder,
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@ -33,7 +33,12 @@ export const completerExtension = mixins(
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jsonFieldCompletions,
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).extend({
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methods: {
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autocompletionExtension(): Extension {
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autocompletionExtension(language: 'javaScript' | 'python'): Extension {
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const completions = [];
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if (language === 'javaScript') {
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completions.push(jsSnippets, localCompletionSource);
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}
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return autocompletion({
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compareCompletions: (a: Completion, b: Completion) => {
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if (/\.json$|id$|id['"]\]$/.test(a.label)) return 0;
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@ -41,8 +46,7 @@ export const completerExtension = mixins(
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return a.label.localeCompare(b.label);
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},
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override: [
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jsSnippets,
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localCompletionSource,
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...completions,
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// core
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this.itemCompletions,
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@ -7,7 +7,7 @@ import type { CodeNodeEditorMixin } from '../types';
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import { mapStores } from 'pinia';
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import { useWorkflowsStore } from '@/stores/workflows';
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function getAutocompletableNodeNames(nodes: INodeUi[]) {
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function getAutoCompletableNodeNames(nodes: INodeUi[]) {
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return nodes
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.filter((node: INodeUi) => !NODE_TYPES_EXCLUDED_FROM_AUTOCOMPLETION.includes(node.type))
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.map((node: INodeUi) => node.name);
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@ -49,54 +49,55 @@ export const baseCompletions = (Vue as CodeNodeEditorMixin).extend({
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* - Complete `$` to `$json $binary $itemIndex` in single-item mode.
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*/
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baseCompletions(context: CompletionContext): CompletionResult | null {
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const preCursor = context.matchBefore(/\$\w*/);
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const prefix = this.language === 'python' ? '_' : '$';
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const preCursor = context.matchBefore(new RegExp(`\\${prefix}\\w*`));
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if (!preCursor || (preCursor.from === preCursor.to && !context.explicit)) return null;
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const TOP_LEVEL_COMPLETIONS_IN_BOTH_MODES: Completion[] = [
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{
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label: '$execution',
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label: `${prefix}execution`,
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info: this.$locale.baseText('codeNodeEditor.completer.$execution'),
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},
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{ label: '$input', info: this.$locale.baseText('codeNodeEditor.completer.$input') },
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{ label: `${prefix}input`, info: this.$locale.baseText('codeNodeEditor.completer.$input') },
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{
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label: '$prevNode',
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label: `${prefix}prevNode`,
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info: this.$locale.baseText('codeNodeEditor.completer.$prevNode'),
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},
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{
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label: '$workflow',
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label: `${prefix}workflow`,
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info: this.$locale.baseText('codeNodeEditor.completer.$workflow'),
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},
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{
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label: '$vars',
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label: `${prefix}vars`,
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info: this.$locale.baseText('codeNodeEditor.completer.$vars'),
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},
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{
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label: '$now',
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label: `${prefix}now`,
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info: this.$locale.baseText('codeNodeEditor.completer.$now'),
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},
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{
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label: '$today',
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label: `${prefix}today`,
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info: this.$locale.baseText('codeNodeEditor.completer.$today'),
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},
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{
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label: '$jmespath()',
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label: `${prefix}jmespath()`,
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info: this.$locale.baseText('codeNodeEditor.completer.$jmespath'),
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},
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{
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label: '$if()',
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label: `${prefix}if()`,
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info: this.$locale.baseText('codeNodeEditor.completer.$if'),
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},
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{
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label: '$min()',
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label: `${prefix}min()`,
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info: this.$locale.baseText('codeNodeEditor.completer.$min'),
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},
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{
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label: '$max()',
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label: `${prefix}max()`,
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info: this.$locale.baseText('codeNodeEditor.completer.$max'),
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},
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{
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label: '$runIndex',
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label: `${prefix}runIndex`,
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info: this.$locale.baseText('codeNodeEditor.completer.$runIndex'),
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},
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];
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@ -104,9 +105,9 @@ export const baseCompletions = (Vue as CodeNodeEditorMixin).extend({
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const options: Completion[] = TOP_LEVEL_COMPLETIONS_IN_BOTH_MODES.map(addVarType);
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options.push(
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...getAutocompletableNodeNames(this.workflowsStore.allNodes).map((nodeName) => {
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...getAutoCompletableNodeNames(this.workflowsStore.allNodes).map((nodeName) => {
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return {
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label: `$('${nodeName}')`,
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label: `${prefix}('${nodeName}')`,
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type: 'variable',
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info: this.$locale.baseText('codeNodeEditor.completer.$()', {
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interpolate: { nodeName },
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@ -117,10 +118,10 @@ export const baseCompletions = (Vue as CodeNodeEditorMixin).extend({
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if (this.mode === 'runOnceForEachItem') {
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const TOP_LEVEL_COMPLETIONS_IN_SINGLE_ITEM_MODE = [
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{ label: '$json' },
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{ label: '$binary' },
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{ label: `${prefix}json` },
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{ label: `${prefix}binary` },
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{
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label: '$itemIndex',
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label: `${prefix}itemIndex`,
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info: this.$locale.baseText('codeNodeEditor.completer.$itemIndex'),
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},
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];
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@ -138,14 +139,15 @@ export const baseCompletions = (Vue as CodeNodeEditorMixin).extend({
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* Complete `$(` to `$('nodeName')`.
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*/
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nodeSelectorCompletions(context: CompletionContext): CompletionResult | null {
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const preCursor = context.matchBefore(/\$\(.*/);
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const prefix = this.language === 'python' ? '_' : '$';
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const preCursor = context.matchBefore(new RegExp(`\\${prefix}\\(.*`));
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if (!preCursor || (preCursor.from === preCursor.to && !context.explicit)) return null;
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const options: Completion[] = getAutocompletableNodeNames(this.workflowsStore.allNodes).map(
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const options: Completion[] = getAutoCompletableNodeNames(this.workflowsStore.allNodes).map(
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(nodeName) => {
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return {
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label: `$('${nodeName}')`,
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label: `${prefix}('${nodeName}')`,
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type: 'variable',
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info: this.$locale.baseText('codeNodeEditor.completer.$()', {
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interpolate: { nodeName },
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@ -50,10 +50,11 @@ export const itemFieldCompletions = (Vue as CodeNodeEditorMixin).extend({
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* - Complete `$input.item.` to `.json .binary`.
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*/
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inputMethodCompletions(context: CompletionContext): CompletionResult | null {
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const prefix = this.language === 'python' ? '_' : '$';
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const patterns = {
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first: /\$input\.first\(\)\..*/,
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last: /\$input\.last\(\)\..*/,
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item: /\$input\.item\..*/,
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first: new RegExp(`\\${prefix}input\\.first\\(\\)\\..*`),
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last: new RegExp(`\\${prefix}input\\.last\\(\\)\\..*`),
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item: new RegExp(`\\${prefix}item\\.first\\(\\)\\..*`),
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all: /\$input\.all\(\)\[(?<index>\w+)\]\..*/,
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};
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@ -64,11 +65,11 @@ export const itemFieldCompletions = (Vue as CodeNodeEditorMixin).extend({
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let replacementBase = '';
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if (name === 'item') replacementBase = '$input.item';
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if (name === 'item') replacementBase = `${prefix}input.item`;
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if (name === 'first') replacementBase = '$input.first()';
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if (name === 'first') replacementBase = `${prefix}input.first()`;
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if (name === 'last') replacementBase = '$input.last()';
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if (name === 'last') replacementBase = `${prefix}input.last()`;
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if (name === 'all') {
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const match = preCursor.text.match(regex);
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@ -77,7 +78,7 @@ export const itemFieldCompletions = (Vue as CodeNodeEditorMixin).extend({
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const { index } = match.groups;
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replacementBase = `$input.all()[${index}]`;
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replacementBase = `${prefix}input.all()[${index}]`;
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}
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const options: Completion[] = [
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|
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@ -1,5 +1,5 @@
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import Vue from 'vue';
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import { AUTOCOMPLETABLE_BUILT_IN_MODULES } from '../constants';
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import { AUTOCOMPLETABLE_BUILT_IN_MODULES_JS } from '../constants';
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import type { Completion, CompletionContext, CompletionResult } from '@codemirror/autocomplete';
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import type { CodeNodeEditorMixin } from '../types';
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import { useSettingsStore } from '@/stores/settings';
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@ -25,7 +25,7 @@ export const requireCompletions = (Vue as CodeNodeEditorMixin).extend({
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if (allowedModules.builtIn) {
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if (allowedModules.builtIn.includes('*')) {
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options.push(...AUTOCOMPLETABLE_BUILT_IN_MODULES.map(toOption));
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options.push(...AUTOCOMPLETABLE_BUILT_IN_MODULES_JS.map(toOption));
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} else if (allowedModules?.builtIn?.length > 0) {
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options.push(...allowedModules.builtIn.map(toOption));
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}
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@ -1,9 +1,10 @@
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import { STICKY_NODE_TYPE } from '@/constants';
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import type { Diagnostic } from '@codemirror/lint';
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import type { CodeExecutionMode, CodeNodeEditorLanguage } from 'n8n-workflow';
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export const NODE_TYPES_EXCLUDED_FROM_AUTOCOMPLETION = [STICKY_NODE_TYPE];
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export const AUTOCOMPLETABLE_BUILT_IN_MODULES = [
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export const AUTOCOMPLETABLE_BUILT_IN_MODULES_JS = [
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'console',
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'constants',
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'crypto',
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@ -34,23 +35,32 @@ export const DEFAULT_LINTER_DELAY_IN_MS = 300;
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*/
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export const OFFSET_FOR_SCRIPT_WRAPPER = 'module.exports = async function() {'.length;
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export const ALL_ITEMS_PLACEHOLDER = `
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// Loop over input items and add a new field
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// called 'myNewField' to the JSON of each one
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export const CODE_PLACEHOLDERS: Partial<
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Record<CodeNodeEditorLanguage, Record<CodeExecutionMode, string>>
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> = {
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javaScript: {
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runOnceForAllItems: `
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// Loop over input items and add a new field called 'myNewField' to the JSON of each one
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for (const item of $input.all()) {
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item.json.myNewField = 1;
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}
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return $input.all();
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`.trim();
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export const EACH_ITEM_PLACEHOLDER = `
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// Add a new field called 'myNewField' to the
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// JSON of the item
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return $input.all();`.trim(),
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runOnceForEachItem: `
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// Add a new field called 'myNewField' to the JSON of the item
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$input.item.json.myNewField = 1;
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return $input.item;
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`.trim();
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export const CODE_LANGUAGES = ['javaScript', 'json'] as const;
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export const CODE_MODES = ['runOnceForAllItems', 'runOnceForEachItem'] as const;
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return $input.item;`.trim(),
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},
|
||||
python: {
|
||||
runOnceForAllItems: `
|
||||
# Loop over input items and add a new field called 'myNewField' to the JSON of each one
|
||||
for item in _input.all():
|
||||
item.json.myNewField = 1
|
||||
return _input.all()`.trim(),
|
||||
runOnceForEachItem: `
|
||||
# Add a new field called 'myNewField' to the JSON of the item
|
||||
_input.item.json.myNewField = 1
|
||||
return _input.item`.trim(),
|
||||
},
|
||||
};
|
||||
|
|
|
|||
|
|
@ -2,22 +2,19 @@ import Vue from 'vue';
|
|||
import type { Diagnostic } from '@codemirror/lint';
|
||||
import { linter as createLinter } from '@codemirror/lint';
|
||||
import { jsonParseLinter } from '@codemirror/lang-json';
|
||||
import * as esprima from 'esprima-next';
|
||||
|
||||
import {
|
||||
DEFAULT_LINTER_DELAY_IN_MS,
|
||||
DEFAULT_LINTER_SEVERITY,
|
||||
OFFSET_FOR_SCRIPT_WRAPPER,
|
||||
} from './constants';
|
||||
import { walk } from './utils';
|
||||
|
||||
import type { EditorView } from '@codemirror/view';
|
||||
import * as esprima from 'esprima-next';
|
||||
import type { Node } from 'estree';
|
||||
import type { CodeLanguage, CodeNodeEditorMixin, RangeNode } from './types';
|
||||
import type { CodeNodeEditorLanguage } from 'n8n-workflow';
|
||||
|
||||
import { DEFAULT_LINTER_DELAY_IN_MS, DEFAULT_LINTER_SEVERITY } from './constants';
|
||||
import { OFFSET_FOR_SCRIPT_WRAPPER } from './constants';
|
||||
import { walk } from './utils';
|
||||
import type { CodeNodeEditorMixin, RangeNode } from './types';
|
||||
|
||||
export const linterExtension = (Vue as CodeNodeEditorMixin).extend({
|
||||
methods: {
|
||||
createLinter(language: CodeLanguage) {
|
||||
createLinter(language: CodeNodeEditorLanguage) {
|
||||
switch (language) {
|
||||
case 'javaScript':
|
||||
return createLinter(this.lintSource, { delay: DEFAULT_LINTER_DELAY_IN_MS });
|
||||
|
|
|
|||
|
|
@ -1,19 +1,16 @@
|
|||
import type { EditorView } from '@codemirror/view';
|
||||
import type { I18nClass } from '@/plugins/i18n';
|
||||
import type { Workflow } from 'n8n-workflow';
|
||||
import type { Workflow, CodeExecutionMode, CodeNodeEditorLanguage } from 'n8n-workflow';
|
||||
import type { Node } from 'estree';
|
||||
import type { CODE_LANGUAGES, CODE_MODES } from './constants';
|
||||
|
||||
export type CodeNodeEditorMixin = Vue.VueConstructor<
|
||||
Vue & {
|
||||
$locale: I18nClass;
|
||||
editor: EditorView | null;
|
||||
mode: 'runOnceForAllItems' | 'runOnceForEachItem';
|
||||
mode: CodeExecutionMode;
|
||||
language: CodeNodeEditorLanguage;
|
||||
getCurrentWorkflow(): Workflow;
|
||||
}
|
||||
>;
|
||||
|
||||
export type RangeNode = Node & { range: [number, number] };
|
||||
|
||||
export type CodeLanguage = (typeof CODE_LANGUAGES)[number];
|
||||
export type CodeMode = (typeof CODE_MODES)[number];
|
||||
|
|
|
|||
|
|
@ -744,7 +744,7 @@ export default mixins(
|
|||
},
|
||||
editorLanguage(): CodeNodeEditorLanguage {
|
||||
if (this.editorType === 'json' || this.parameter.type === 'json') return 'json';
|
||||
return 'javaScript';
|
||||
return (this.getArgument('editorLanguage') as CodeNodeEditorLanguage) ?? 'javaScript';
|
||||
},
|
||||
parameterOptions():
|
||||
| Array<INodePropertyOptions | INodeProperties | INodePropertyCollection>
|
||||
|
|
|
|||
|
|
@ -1672,13 +1672,19 @@ export default mixins(
|
|||
},
|
||||
|
||||
async getNewNodeWithDefaultCredential(nodeTypeData: INodeTypeDescription) {
|
||||
let nodeVersion = nodeTypeData.defaultVersion;
|
||||
|
||||
if (nodeVersion === undefined) {
|
||||
nodeVersion = Array.isArray(nodeTypeData.version)
|
||||
? nodeTypeData.version.slice(-1)[0]
|
||||
: nodeTypeData.version;
|
||||
}
|
||||
|
||||
const newNodeData: INodeUi = {
|
||||
id: uuid(),
|
||||
name: nodeTypeData.defaults.name as string,
|
||||
type: nodeTypeData.name,
|
||||
typeVersion: Array.isArray(nodeTypeData.version)
|
||||
? nodeTypeData.version.slice(-1)[0]
|
||||
: nodeTypeData.version,
|
||||
typeVersion: nodeVersion,
|
||||
position: [0, 0],
|
||||
parameters: {},
|
||||
};
|
||||
|
|
|
|||
|
|
@ -11,7 +11,7 @@
|
|||
}
|
||||
]
|
||||
},
|
||||
"alias": ["cpde", "Javascript", "JS", "Script", "Custom Code", "Function"],
|
||||
"alias": ["cpde", "Javascript", "JS", "Python", "Script", "Custom Code", "Function"],
|
||||
"subcategories": {
|
||||
"Core Nodes": ["Data Transformation"]
|
||||
}
|
||||
|
|
|
|||
|
|
@ -1,12 +1,17 @@
|
|||
import type {
|
||||
CodeExecutionMode,
|
||||
CodeNodeEditorLanguage,
|
||||
IExecuteFunctions,
|
||||
INodeExecutionData,
|
||||
INodeType,
|
||||
INodeTypeDescription,
|
||||
} from 'n8n-workflow';
|
||||
import { getSandboxContext, Sandbox } from './Sandbox';
|
||||
import { javascriptCodeDescription } from './descriptions/JavascriptCodeDescription';
|
||||
import { pythonCodeDescription } from './descriptions/PythonCodeDescription';
|
||||
import { JavaScriptSandbox } from './JavaScriptSandbox';
|
||||
import { PythonSandbox } from './PythonSandbox';
|
||||
import { getSandboxContext } from './Sandbox';
|
||||
import { standardizeOutput } from './utils';
|
||||
import type { CodeNodeMode } from './utils';
|
||||
|
||||
export class Code implements INodeType {
|
||||
description: INodeTypeDescription = {
|
||||
|
|
@ -14,7 +19,8 @@ export class Code implements INodeType {
|
|||
name: 'code',
|
||||
icon: 'fa:code',
|
||||
group: ['transform'],
|
||||
version: 1,
|
||||
version: [1, 2],
|
||||
defaultVersion: 1,
|
||||
description: 'Run custom JavaScript code',
|
||||
defaults: {
|
||||
name: 'Code',
|
||||
|
|
@ -44,59 +50,78 @@ export class Code implements INodeType {
|
|||
default: 'runOnceForAllItems',
|
||||
},
|
||||
{
|
||||
displayName: 'JavaScript',
|
||||
name: 'jsCode',
|
||||
typeOptions: {
|
||||
editor: 'codeNodeEditor',
|
||||
},
|
||||
type: 'string',
|
||||
default: '', // set by component
|
||||
description:
|
||||
'JavaScript code to execute.<br><br>Tip: You can use luxon vars like <code>$today</code> for dates and <code>$jmespath</code> for querying JSON structures. <a href="https://docs.n8n.io/nodes/n8n-nodes-base.function">Learn more</a>.',
|
||||
displayName: 'Language',
|
||||
name: 'language',
|
||||
type: 'options',
|
||||
noDataExpression: true,
|
||||
displayOptions: {
|
||||
show: {
|
||||
'@version': [2],
|
||||
},
|
||||
},
|
||||
options: [
|
||||
{
|
||||
name: 'JavaScript',
|
||||
value: 'javaScript',
|
||||
},
|
||||
{
|
||||
displayName:
|
||||
'Type <code>$</code> for a list of <a target="_blank" href="https://docs.n8n.io/code-examples/methods-variables-reference/">special vars/methods</a>. Debug by using <code>console.log()</code> statements and viewing their output in the browser console.',
|
||||
name: 'notice',
|
||||
type: 'notice',
|
||||
default: '',
|
||||
name: 'Python (Beta)',
|
||||
value: 'python',
|
||||
},
|
||||
],
|
||||
default: 'javaScript',
|
||||
},
|
||||
|
||||
...javascriptCodeDescription,
|
||||
...pythonCodeDescription,
|
||||
],
|
||||
};
|
||||
|
||||
async execute(this: IExecuteFunctions) {
|
||||
const nodeMode = this.getNodeParameter('mode', 0) as CodeNodeMode;
|
||||
const nodeMode = this.getNodeParameter<CodeExecutionMode>('mode', 0);
|
||||
const workflowMode = this.getMode();
|
||||
|
||||
const language: CodeNodeEditorLanguage =
|
||||
this.getNode()?.typeVersion === 2 ? this.getNodeParameter('language', 0) : 'javaScript';
|
||||
const codeParameterName = language === 'python' ? 'pythonCode' : 'jsCode';
|
||||
|
||||
const getSandbox = (index = 0) => {
|
||||
const code = this.getNodeParameter<string>(codeParameterName, index);
|
||||
const context = getSandboxContext.call(this, index);
|
||||
if (language === 'python') {
|
||||
const modules = this.getNodeParameter<string>('modules', index);
|
||||
const moduleImports: string[] = modules ? modules.split(',').map((m) => m.trim()) : [];
|
||||
context.printOverwrite = workflowMode === 'manual' ? this.sendMessageToUI : null;
|
||||
return new PythonSandbox(context, code, moduleImports, index, this.helpers);
|
||||
} else {
|
||||
context.items = context.$input.all();
|
||||
const sandbox = new JavaScriptSandbox(context, code, index, workflowMode, this.helpers);
|
||||
if (workflowMode === 'manual') {
|
||||
sandbox.vm.on('console.log', this.sendMessageToUI);
|
||||
}
|
||||
return sandbox;
|
||||
}
|
||||
};
|
||||
|
||||
// ----------------------------------
|
||||
// runOnceForAllItems
|
||||
// ----------------------------------
|
||||
|
||||
if (nodeMode === 'runOnceForAllItems') {
|
||||
const jsCodeAllItems = this.getNodeParameter('jsCode', 0) as string;
|
||||
|
||||
const context = getSandboxContext.call(this);
|
||||
context.items = context.$input.all();
|
||||
const sandbox = new Sandbox(context, jsCodeAllItems, workflowMode, this.helpers);
|
||||
|
||||
if (workflowMode === 'manual') {
|
||||
sandbox.on('console.log', this.sendMessageToUI);
|
||||
}
|
||||
|
||||
let result: INodeExecutionData[];
|
||||
const sandbox = getSandbox();
|
||||
let items: INodeExecutionData[];
|
||||
try {
|
||||
result = await sandbox.runCodeAllItems();
|
||||
items = await sandbox.runCodeAllItems();
|
||||
} catch (error) {
|
||||
if (!this.continueOnFail()) throw error;
|
||||
result = [{ json: { error: error.message } }];
|
||||
items = [{ json: { error: error.message } }];
|
||||
}
|
||||
|
||||
for (const item of result) {
|
||||
for (const item of items) {
|
||||
standardizeOutput(item.json);
|
||||
}
|
||||
|
||||
return this.prepareOutputData(result);
|
||||
return this.prepareOutputData(items);
|
||||
}
|
||||
|
||||
// ----------------------------------
|
||||
|
|
@ -108,19 +133,10 @@ export class Code implements INodeType {
|
|||
const items = this.getInputData();
|
||||
|
||||
for (let index = 0; index < items.length; index++) {
|
||||
const jsCodeEachItem = this.getNodeParameter('jsCode', index) as string;
|
||||
|
||||
const context = getSandboxContext.call(this, index);
|
||||
context.item = context.$input.item;
|
||||
const sandbox = new Sandbox(context, jsCodeEachItem, workflowMode, this.helpers);
|
||||
|
||||
if (workflowMode === 'manual') {
|
||||
sandbox.on('console.log', this.sendMessageToUI);
|
||||
}
|
||||
|
||||
const sandbox = getSandbox(index);
|
||||
let result: INodeExecutionData | undefined;
|
||||
try {
|
||||
result = await sandbox.runCodeEachItem(index);
|
||||
result = await sandbox.runCodeEachItem();
|
||||
} catch (error) {
|
||||
if (!this.continueOnFail()) throw error;
|
||||
returnData.push({ json: { error: error.message } });
|
||||
|
|
|
|||
115
packages/nodes-base/nodes/Code/JavaScriptSandbox.ts
Normal file
115
packages/nodes-base/nodes/Code/JavaScriptSandbox.ts
Normal file
|
|
@ -0,0 +1,115 @@
|
|||
import type { NodeVMOptions } from 'vm2';
|
||||
import { NodeVM } from 'vm2';
|
||||
import type { IExecuteFunctions, INodeExecutionData, WorkflowExecuteMode } from 'n8n-workflow';
|
||||
|
||||
import { ValidationError } from './ValidationError';
|
||||
import { ExecutionError } from './ExecutionError';
|
||||
import type { SandboxContext } from './Sandbox';
|
||||
import { Sandbox } from './Sandbox';
|
||||
|
||||
const { NODE_FUNCTION_ALLOW_BUILTIN: builtIn, NODE_FUNCTION_ALLOW_EXTERNAL: external } =
|
||||
process.env;
|
||||
|
||||
const getSandboxOptions = (
|
||||
context: SandboxContext,
|
||||
workflowMode: WorkflowExecuteMode,
|
||||
): NodeVMOptions => ({
|
||||
console: workflowMode === 'manual' ? 'redirect' : 'inherit',
|
||||
sandbox: context,
|
||||
require: {
|
||||
builtin: builtIn ? builtIn.split(',') : [],
|
||||
external: external ? { modules: external.split(','), transitive: false } : false,
|
||||
},
|
||||
});
|
||||
|
||||
export class JavaScriptSandbox extends Sandbox {
|
||||
readonly vm: NodeVM;
|
||||
|
||||
constructor(
|
||||
context: SandboxContext,
|
||||
private jsCode: string,
|
||||
itemIndex: number | undefined,
|
||||
workflowMode: WorkflowExecuteMode,
|
||||
helpers: IExecuteFunctions['helpers'],
|
||||
) {
|
||||
super(
|
||||
{
|
||||
object: {
|
||||
singular: 'object',
|
||||
plural: 'objects',
|
||||
},
|
||||
},
|
||||
itemIndex,
|
||||
helpers,
|
||||
);
|
||||
this.vm = new NodeVM(getSandboxOptions(context, workflowMode));
|
||||
}
|
||||
|
||||
async runCodeAllItems(): Promise<INodeExecutionData[]> {
|
||||
const script = `module.exports = async function() {${this.jsCode}\n}()`;
|
||||
|
||||
let executionResult: INodeExecutionData | INodeExecutionData[];
|
||||
|
||||
try {
|
||||
executionResult = await this.vm.run(script, __dirname);
|
||||
} catch (error) {
|
||||
// anticipate user expecting `items` to pre-exist as in Function Item node
|
||||
if (error.message === 'items is not defined' && !/(let|const|var) items =/.test(script)) {
|
||||
const quoted = error.message.replace('items', '`items`');
|
||||
error.message = (quoted as string) + '. Did you mean `$input.all()`?';
|
||||
}
|
||||
|
||||
// eslint-disable-next-line @typescript-eslint/no-unsafe-argument
|
||||
throw new ExecutionError(error);
|
||||
}
|
||||
|
||||
if (executionResult === null) return [];
|
||||
|
||||
return this.validateRunCodeAllItems(executionResult);
|
||||
}
|
||||
|
||||
async runCodeEachItem(): Promise<INodeExecutionData | undefined> {
|
||||
const script = `module.exports = async function() {${this.jsCode}\n}()`;
|
||||
|
||||
const match = this.jsCode.match(/\$input\.(?<disallowedMethod>first|last|all|itemMatching)/);
|
||||
|
||||
if (match?.groups?.disallowedMethod) {
|
||||
const { disallowedMethod } = match.groups;
|
||||
|
||||
const lineNumber =
|
||||
this.jsCode.split('\n').findIndex((line) => {
|
||||
return line.includes(disallowedMethod) && !line.startsWith('//') && !line.startsWith('*');
|
||||
}) + 1;
|
||||
|
||||
const disallowedMethodFound = lineNumber !== 0;
|
||||
|
||||
if (disallowedMethodFound) {
|
||||
throw new ValidationError({
|
||||
message: `Can't use .${disallowedMethod}() here`,
|
||||
description: "This is only available in 'Run Once for All Items' mode",
|
||||
itemIndex: this.itemIndex,
|
||||
lineNumber,
|
||||
});
|
||||
}
|
||||
}
|
||||
|
||||
let executionResult: INodeExecutionData;
|
||||
|
||||
try {
|
||||
executionResult = await this.vm.run(script, __dirname);
|
||||
} catch (error) {
|
||||
// anticipate user expecting `item` to pre-exist as in Function Item node
|
||||
if (error.message === 'item is not defined' && !/(let|const|var) item =/.test(script)) {
|
||||
const quoted = error.message.replace('item', '`item`');
|
||||
error.message = (quoted as string) + '. Did you mean `$input.item.json`?';
|
||||
}
|
||||
|
||||
// eslint-disable-next-line @typescript-eslint/no-unsafe-argument
|
||||
throw new ExecutionError(error, this.itemIndex);
|
||||
}
|
||||
|
||||
if (executionResult === null) return;
|
||||
|
||||
return this.validateRunCodeEachItem(executionResult);
|
||||
}
|
||||
}
|
||||
28
packages/nodes-base/nodes/Code/Pyodide.ts
Normal file
28
packages/nodes-base/nodes/Code/Pyodide.ts
Normal file
|
|
@ -0,0 +1,28 @@
|
|||
import type { PyodideInterface } from 'pyodide';
|
||||
|
||||
let pyodideInstance: PyodideInterface | undefined;
|
||||
|
||||
export async function LoadPyodide(): Promise<PyodideInterface> {
|
||||
if (pyodideInstance === undefined) {
|
||||
// TODO: Find better way to suppress warnings
|
||||
//@ts-ignore
|
||||
globalThis.Blob = (await import('node:buffer')).Blob;
|
||||
|
||||
// From: https://github.com/nodejs/node/issues/30810
|
||||
const { emitWarning } = process;
|
||||
process.emitWarning = (warning, ...args) => {
|
||||
if (args[0] === 'ExperimentalWarning') {
|
||||
return;
|
||||
}
|
||||
if (args[0] && typeof args[0] === 'object' && args[0].type === 'ExperimentalWarning') {
|
||||
return;
|
||||
}
|
||||
return emitWarning(warning, ...(args as string[]));
|
||||
};
|
||||
|
||||
const { loadPyodide } = await import('pyodide');
|
||||
pyodideInstance = await loadPyodide();
|
||||
}
|
||||
|
||||
return pyodideInstance;
|
||||
}
|
||||
119
packages/nodes-base/nodes/Code/PythonSandbox.ts
Normal file
119
packages/nodes-base/nodes/Code/PythonSandbox.ts
Normal file
|
|
@ -0,0 +1,119 @@
|
|||
import type { IExecuteFunctions, INodeExecutionData } from 'n8n-workflow';
|
||||
import type { PyProxyDict } from 'pyodide';
|
||||
import { LoadPyodide } from './Pyodide';
|
||||
import type { SandboxContext } from './Sandbox';
|
||||
import { Sandbox } from './Sandbox';
|
||||
|
||||
type PythonSandboxContext = {
|
||||
[K in keyof SandboxContext as K extends `$${infer I}` ? `_${I}` : K]: SandboxContext[K];
|
||||
};
|
||||
|
||||
type PyodideError = Error & { type: string };
|
||||
|
||||
const envAccessBlocked = process.env.N8N_BLOCK_ENV_ACCESS_IN_NODE === 'true';
|
||||
|
||||
export class PythonSandbox extends Sandbox {
|
||||
private readonly context: PythonSandboxContext;
|
||||
|
||||
constructor(
|
||||
context: SandboxContext,
|
||||
private pythonCode: string,
|
||||
private moduleImports: string[],
|
||||
itemIndex: number | undefined,
|
||||
helpers: IExecuteFunctions['helpers'],
|
||||
) {
|
||||
super(
|
||||
{
|
||||
object: {
|
||||
singular: 'dictionary',
|
||||
plural: 'dictionaries',
|
||||
},
|
||||
},
|
||||
itemIndex,
|
||||
helpers,
|
||||
);
|
||||
// Since python doesn't allow variable names starting with `$`,
|
||||
// rename them to all to start with `_` instead
|
||||
this.context = Object.keys(context).reduce((acc, key) => {
|
||||
acc[key.startsWith('$') ? key.replace(/^\$/, '_') : key] = context[key];
|
||||
return acc;
|
||||
}, {} as PythonSandboxContext);
|
||||
}
|
||||
|
||||
async runCodeAllItems() {
|
||||
const executionResult = await this.runCodeInPython<INodeExecutionData[]>();
|
||||
return this.validateRunCodeAllItems(executionResult);
|
||||
}
|
||||
|
||||
async runCodeEachItem() {
|
||||
const executionResult = await this.runCodeInPython<INodeExecutionData>();
|
||||
return this.validateRunCodeEachItem(executionResult);
|
||||
}
|
||||
|
||||
private async runCodeInPython<T>() {
|
||||
// Below workaround from here:
|
||||
// https://github.com/pyodide/pyodide/discussions/3537#discussioncomment-4864345
|
||||
const runCode = `
|
||||
from _pyodide_core import jsproxy_typedict
|
||||
from js import Object
|
||||
jsproxy_typedict[0] = type(Object.new().as_object_map())
|
||||
|
||||
if printOverwrite:
|
||||
print = printOverwrite
|
||||
|
||||
async def __main():
|
||||
${this.pythonCode
|
||||
.split('\n')
|
||||
.map((line) => ' ' + line)
|
||||
.join('\n')}
|
||||
await __main()
|
||||
`;
|
||||
const pyodide = await LoadPyodide();
|
||||
|
||||
const moduleImportsFiltered = this.moduleImports.filter(
|
||||
(importModule) => !['asyncio', 'pyodide', 'math'].includes(importModule),
|
||||
);
|
||||
|
||||
if (moduleImportsFiltered.length) {
|
||||
await pyodide.loadPackage('micropip');
|
||||
const micropip = pyodide.pyimport('micropip');
|
||||
await Promise.all(
|
||||
moduleImportsFiltered.map((importModule) => micropip.install(importModule)),
|
||||
);
|
||||
}
|
||||
|
||||
let executionResult;
|
||||
try {
|
||||
const dict = pyodide.globals.get('dict');
|
||||
const globalsDict: PyProxyDict = dict();
|
||||
for (const key of Object.keys(this.context)) {
|
||||
if ((key === '_env' && envAccessBlocked) || key === '_node') continue;
|
||||
const value = this.context[key];
|
||||
globalsDict.set(key, value);
|
||||
}
|
||||
|
||||
executionResult = await pyodide.runPythonAsync(runCode, { globals: globalsDict });
|
||||
globalsDict.destroy();
|
||||
} catch (error) {
|
||||
throw this.getPrettyError(error as PyodideError);
|
||||
}
|
||||
|
||||
if (executionResult?.toJs) {
|
||||
return executionResult.toJs({
|
||||
dict_converter: Object.fromEntries,
|
||||
create_proxies: false,
|
||||
}) as T;
|
||||
}
|
||||
|
||||
return executionResult as T;
|
||||
}
|
||||
|
||||
private getPrettyError(error: PyodideError): Error {
|
||||
const errorTypeIndex = error.message.indexOf(error.type);
|
||||
if (errorTypeIndex !== -1) {
|
||||
return new Error(error.message.slice(errorTypeIndex));
|
||||
}
|
||||
|
||||
return error;
|
||||
}
|
||||
}
|
||||
|
|
@ -1,70 +1,93 @@
|
|||
import { NodeVM } from 'vm2';
|
||||
import { ValidationError } from './ValidationError';
|
||||
import { ExecutionError } from './ExecutionError';
|
||||
import { isObject, REQUIRED_N8N_ITEM_KEYS } from './utils';
|
||||
import { isObject } from './utils';
|
||||
|
||||
import type {
|
||||
IDataObject,
|
||||
IExecuteFunctions,
|
||||
INodeExecutionData,
|
||||
IWorkflowDataProxyData,
|
||||
WorkflowExecuteMode,
|
||||
} from 'n8n-workflow';
|
||||
import type { IExecuteFunctions, INodeExecutionData, IWorkflowDataProxyData } from 'n8n-workflow';
|
||||
|
||||
interface SandboxContext extends IWorkflowDataProxyData {
|
||||
interface SandboxTextKeys {
|
||||
object: {
|
||||
singular: string;
|
||||
plural: string;
|
||||
};
|
||||
}
|
||||
|
||||
export interface SandboxContext extends IWorkflowDataProxyData {
|
||||
$getNodeParameter: IExecuteFunctions['getNodeParameter'];
|
||||
$getWorkflowStaticData: IExecuteFunctions['getWorkflowStaticData'];
|
||||
helpers: IExecuteFunctions['helpers'];
|
||||
}
|
||||
|
||||
const { NODE_FUNCTION_ALLOW_BUILTIN: builtIn, NODE_FUNCTION_ALLOW_EXTERNAL: external } =
|
||||
process.env;
|
||||
export const REQUIRED_N8N_ITEM_KEYS = new Set(['json', 'binary', 'pairedItem']);
|
||||
|
||||
export class Sandbox extends NodeVM {
|
||||
private itemIndex: number | undefined = undefined;
|
||||
export function getSandboxContext(this: IExecuteFunctions, index: number): SandboxContext {
|
||||
return {
|
||||
// from NodeExecuteFunctions
|
||||
$getNodeParameter: this.getNodeParameter,
|
||||
$getWorkflowStaticData: this.getWorkflowStaticData,
|
||||
helpers: this.helpers,
|
||||
|
||||
// to bring in all $-prefixed vars and methods from WorkflowDataProxy
|
||||
// $node, $items(), $parameter, $json, $env, etc.
|
||||
...this.getWorkflowDataProxy(index),
|
||||
};
|
||||
}
|
||||
|
||||
export abstract class Sandbox {
|
||||
constructor(
|
||||
context: SandboxContext,
|
||||
private jsCode: string,
|
||||
workflowMode: WorkflowExecuteMode,
|
||||
private textKeys: SandboxTextKeys,
|
||||
protected itemIndex: number | undefined,
|
||||
private helpers: IExecuteFunctions['helpers'],
|
||||
) {
|
||||
super({
|
||||
console: workflowMode === 'manual' ? 'redirect' : 'inherit',
|
||||
sandbox: context,
|
||||
require: {
|
||||
builtin: builtIn ? builtIn.split(',') : [],
|
||||
external: external ? { modules: external.split(','), transitive: false } : false,
|
||||
},
|
||||
) {}
|
||||
|
||||
abstract runCodeAllItems(): Promise<INodeExecutionData[]>;
|
||||
|
||||
abstract runCodeEachItem(): Promise<INodeExecutionData | undefined>;
|
||||
|
||||
validateRunCodeEachItem(executionResult: INodeExecutionData | undefined): INodeExecutionData {
|
||||
if (typeof executionResult !== 'object') {
|
||||
throw new ValidationError({
|
||||
message: `Code doesn't return ${this.getTextKey('object', { includeArticle: true })}`,
|
||||
description: `Please return ${this.getTextKey('object', {
|
||||
includeArticle: true,
|
||||
})} representing the output item. ('${executionResult}' was returned instead.)`,
|
||||
itemIndex: this.itemIndex,
|
||||
});
|
||||
}
|
||||
|
||||
async runCodeAllItems(): Promise<INodeExecutionData[]> {
|
||||
const script = `module.exports = async function() {${this.jsCode}\n}()`;
|
||||
|
||||
let executionResult: INodeExecutionData | INodeExecutionData[];
|
||||
|
||||
try {
|
||||
executionResult = await this.run(script, __dirname);
|
||||
} catch (error) {
|
||||
// anticipate user expecting `items` to pre-exist as in Function Item node
|
||||
if (error.message === 'items is not defined' && !/(let|const|var) items =/.test(script)) {
|
||||
const quoted = error.message.replace('items', '`items`');
|
||||
error.message = (quoted as string) + '. Did you mean `$input.all()`?';
|
||||
if (Array.isArray(executionResult)) {
|
||||
const firstSentence =
|
||||
executionResult.length > 0
|
||||
? `An array of ${typeof executionResult[0]}s was returned.`
|
||||
: 'An empty array was returned.';
|
||||
throw new ValidationError({
|
||||
message: `Code doesn't return a single ${this.getTextKey('object')}`,
|
||||
description: `${firstSentence} If you need to output multiple items, please use the 'Run Once for All Items' mode instead.`,
|
||||
itemIndex: this.itemIndex,
|
||||
});
|
||||
}
|
||||
|
||||
// eslint-disable-next-line @typescript-eslint/no-unsafe-argument
|
||||
throw new ExecutionError(error);
|
||||
const [returnData] = this.helpers.normalizeItems([executionResult]);
|
||||
|
||||
this.validateItem(returnData);
|
||||
|
||||
// If at least one top-level key is a supported item key (`json`, `binary`, etc.),
|
||||
// and another top-level key is unrecognized, then the user mis-added a property
|
||||
// directly on the item, when they intended to add it on the `json` property
|
||||
this.validateTopLevelKeys(returnData);
|
||||
|
||||
return returnData;
|
||||
}
|
||||
|
||||
if (executionResult === null) return [];
|
||||
|
||||
if (executionResult === undefined || typeof executionResult !== 'object') {
|
||||
validateRunCodeAllItems(
|
||||
executionResult: INodeExecutionData | INodeExecutionData[] | undefined,
|
||||
itemIndex?: number,
|
||||
): INodeExecutionData[] {
|
||||
if (typeof executionResult !== 'object') {
|
||||
throw new ValidationError({
|
||||
message: "Code doesn't return items properly",
|
||||
description:
|
||||
'Please return an array of objects, one for each item you would like to output',
|
||||
itemIndex: this.itemIndex,
|
||||
description: `Please return an array of ${this.getTextKey('object', {
|
||||
plural: true,
|
||||
})}, one for each item you would like to output.`,
|
||||
itemIndex,
|
||||
});
|
||||
}
|
||||
|
||||
|
|
@ -77,109 +100,54 @@ export class Sandbox extends NodeVM {
|
|||
* item keys to be wrapped in `json` when normalizing items below.
|
||||
*/
|
||||
const mustHaveTopLevelN8nKey = executionResult.some((item) =>
|
||||
Object.keys(item as IDataObject).find((key) => REQUIRED_N8N_ITEM_KEYS.has(key)),
|
||||
Object.keys(item).find((key) => REQUIRED_N8N_ITEM_KEYS.has(key)),
|
||||
);
|
||||
|
||||
for (const item of executionResult) {
|
||||
if (mustHaveTopLevelN8nKey) {
|
||||
for (const item of executionResult) {
|
||||
this.validateTopLevelKeys(item);
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
const returnData = this.helpers.normalizeItems(executionResult);
|
||||
returnData.forEach((item) => this.validateResult(item));
|
||||
returnData.forEach((item) => this.validateItem(item));
|
||||
return returnData;
|
||||
}
|
||||
|
||||
async runCodeEachItem(itemIndex: number): Promise<INodeExecutionData | undefined> {
|
||||
this.itemIndex = itemIndex;
|
||||
const script = `module.exports = async function() {${this.jsCode}\n}()`;
|
||||
|
||||
const match = this.jsCode.match(/\$input\.(?<disallowedMethod>first|last|all|itemMatching)/);
|
||||
|
||||
if (match?.groups?.disallowedMethod) {
|
||||
const { disallowedMethod } = match.groups;
|
||||
|
||||
const lineNumber =
|
||||
this.jsCode.split('\n').findIndex((line) => {
|
||||
return line.includes(disallowedMethod) && !line.startsWith('//') && !line.startsWith('*');
|
||||
}) + 1;
|
||||
|
||||
const disallowedMethodFound = lineNumber !== 0;
|
||||
|
||||
if (disallowedMethodFound) {
|
||||
throw new ValidationError({
|
||||
message: `Can't use .${disallowedMethod}() here`,
|
||||
description: "This is only available in 'Run Once for All Items' mode",
|
||||
itemIndex: this.itemIndex,
|
||||
lineNumber,
|
||||
});
|
||||
private getTextKey(
|
||||
key: keyof SandboxTextKeys,
|
||||
options?: { includeArticle?: boolean; plural?: boolean },
|
||||
) {
|
||||
const response = this.textKeys[key][options?.plural ? 'plural' : 'singular'];
|
||||
if (!options?.includeArticle) {
|
||||
return response;
|
||||
}
|
||||
if (['a', 'e', 'i', 'o', 'u'].some((value) => response.startsWith(value))) {
|
||||
return `an ${response}`;
|
||||
}
|
||||
return `a ${response}`;
|
||||
}
|
||||
|
||||
let executionResult: INodeExecutionData;
|
||||
|
||||
try {
|
||||
executionResult = await this.run(script, __dirname);
|
||||
} catch (error) {
|
||||
// anticipate user expecting `item` to pre-exist as in Function Item node
|
||||
if (error.message === 'item is not defined' && !/(let|const|var) item =/.test(script)) {
|
||||
const quoted = error.message.replace('item', '`item`');
|
||||
error.message = (quoted as string) + '. Did you mean `$input.item.json`?';
|
||||
}
|
||||
|
||||
// eslint-disable-next-line @typescript-eslint/no-unsafe-argument
|
||||
throw new ExecutionError(error, this.itemIndex);
|
||||
}
|
||||
|
||||
if (executionResult === null) return;
|
||||
|
||||
if (executionResult === undefined || typeof executionResult !== 'object') {
|
||||
throw new ValidationError({
|
||||
message: "Code doesn't return an object",
|
||||
description: `Please return an object representing the output item. ('${executionResult}' was returned instead.)`,
|
||||
itemIndex: this.itemIndex,
|
||||
});
|
||||
}
|
||||
|
||||
if (Array.isArray(executionResult)) {
|
||||
const firstSentence =
|
||||
executionResult.length > 0
|
||||
? `An array of ${typeof executionResult[0]}s was returned.`
|
||||
: 'An empty array was returned.';
|
||||
|
||||
throw new ValidationError({
|
||||
message: "Code doesn't return a single object",
|
||||
description: `${firstSentence} If you need to output multiple items, please use the 'Run Once for All Items' mode instead`,
|
||||
itemIndex: this.itemIndex,
|
||||
});
|
||||
}
|
||||
|
||||
const [returnData] = this.helpers.normalizeItems([executionResult]);
|
||||
this.validateResult(returnData);
|
||||
|
||||
// If at least one top-level key is a supported item key (`json`, `binary`, etc.),
|
||||
// and another top-level key is unrecognized, then the user mis-added a property
|
||||
// directly on the item, when they intended to add it on the `json` property
|
||||
this.validateTopLevelKeys(returnData);
|
||||
|
||||
return returnData;
|
||||
}
|
||||
|
||||
private validateResult({ json, binary }: INodeExecutionData) {
|
||||
private validateItem({ json, binary }: INodeExecutionData) {
|
||||
if (json === undefined || !isObject(json)) {
|
||||
throw new ValidationError({
|
||||
message: "A 'json' property isn't an object",
|
||||
description: "In the returned data, every key named 'json' must point to an object",
|
||||
message: `A 'json' property isn't ${this.getTextKey('object', { includeArticle: true })}`,
|
||||
description: `In the returned data, every key named 'json' must point to ${this.getTextKey(
|
||||
'object',
|
||||
{ includeArticle: true },
|
||||
)}.`,
|
||||
itemIndex: this.itemIndex,
|
||||
});
|
||||
}
|
||||
|
||||
if (binary !== undefined && !isObject(binary)) {
|
||||
throw new ValidationError({
|
||||
message: "A 'binary' property isn't an object",
|
||||
description: "In the returned data, every key named 'binary’ must point to an object.",
|
||||
message: `A 'binary' property isn't ${this.getTextKey('object', { includeArticle: true })}`,
|
||||
description: `In the returned data, every key named 'binary’ must point to ${this.getTextKey(
|
||||
'object',
|
||||
{ includeArticle: true },
|
||||
)}.`,
|
||||
itemIndex: this.itemIndex,
|
||||
});
|
||||
}
|
||||
|
|
@ -196,15 +164,3 @@ export class Sandbox extends NodeVM {
|
|||
});
|
||||
}
|
||||
}
|
||||
|
||||
export function getSandboxContext(this: IExecuteFunctions, index?: number): SandboxContext {
|
||||
return {
|
||||
// from NodeExecuteFunctions
|
||||
$getNodeParameter: this.getNodeParameter,
|
||||
$getWorkflowStaticData: this.getWorkflowStaticData,
|
||||
helpers: this.helpers,
|
||||
|
||||
// to bring in all $-prefixed vars and methods from WorkflowDataProxy
|
||||
...this.getWorkflowDataProxy(index ?? 0),
|
||||
};
|
||||
}
|
||||
|
|
|
|||
|
|
@ -0,0 +1,76 @@
|
|||
import type { INodeProperties } from 'n8n-workflow';
|
||||
|
||||
const commonDescription: INodeProperties = {
|
||||
displayName: 'JavaScript',
|
||||
name: 'jsCode',
|
||||
type: 'string',
|
||||
typeOptions: {
|
||||
editor: 'codeNodeEditor',
|
||||
editorLanguage: 'javaScript',
|
||||
},
|
||||
default: '',
|
||||
description:
|
||||
'JavaScript code to execute.<br><br>Tip: You can use luxon vars like <code>$today</code> for dates and <code>$jmespath</code> for querying JSON structures. <a href="https://docs.n8n.io/nodes/n8n-nodes-base.function">Learn more</a>.',
|
||||
noDataExpression: true,
|
||||
};
|
||||
|
||||
const v1Properties: INodeProperties[] = [
|
||||
{
|
||||
...commonDescription,
|
||||
displayOptions: {
|
||||
show: {
|
||||
'@version': [1],
|
||||
mode: ['runOnceForAllItems'],
|
||||
},
|
||||
},
|
||||
},
|
||||
{
|
||||
...commonDescription,
|
||||
displayOptions: {
|
||||
show: {
|
||||
'@version': [1],
|
||||
mode: ['runOnceForEachItem'],
|
||||
},
|
||||
},
|
||||
},
|
||||
];
|
||||
|
||||
const v2Properties: INodeProperties[] = [
|
||||
{
|
||||
...commonDescription,
|
||||
displayOptions: {
|
||||
show: {
|
||||
'@version': [2],
|
||||
language: ['javaScript'],
|
||||
mode: ['runOnceForAllItems'],
|
||||
},
|
||||
},
|
||||
},
|
||||
{
|
||||
...commonDescription,
|
||||
displayOptions: {
|
||||
show: {
|
||||
'@version': [2],
|
||||
language: ['javaScript'],
|
||||
mode: ['runOnceForEachItem'],
|
||||
},
|
||||
},
|
||||
},
|
||||
];
|
||||
|
||||
export const javascriptCodeDescription: INodeProperties[] = [
|
||||
...v1Properties,
|
||||
...v2Properties,
|
||||
{
|
||||
displayName:
|
||||
'Type <code>$</code> for a list of <a target="_blank" href="https://docs.n8n.io/code-examples/methods-variables-reference/">special vars/methods</a>. Debug by using <code>console.log()</code> statements and viewing their output in the browser console.',
|
||||
name: 'notice',
|
||||
type: 'notice',
|
||||
displayOptions: {
|
||||
show: {
|
||||
language: ['javaScript'],
|
||||
},
|
||||
},
|
||||
default: '',
|
||||
},
|
||||
];
|
||||
|
|
@ -0,0 +1,63 @@
|
|||
import type { INodeProperties } from 'n8n-workflow';
|
||||
|
||||
const commonDescription: INodeProperties = {
|
||||
displayName: 'Python',
|
||||
name: 'pythonCode',
|
||||
type: 'string',
|
||||
typeOptions: {
|
||||
editor: 'codeNodeEditor',
|
||||
editorLanguage: 'python',
|
||||
},
|
||||
default: '',
|
||||
description:
|
||||
'Python code to execute.<br><br>Tip: You can use luxon vars like <code>_today</code> for dates and <code>$_mespath</code> for querying JSON structures. <a href="https://docs.n8n.io/nodes/n8n-nodes-base.function">Learn more</a>.',
|
||||
noDataExpression: true,
|
||||
};
|
||||
|
||||
export const pythonCodeDescription: INodeProperties[] = [
|
||||
{
|
||||
...commonDescription,
|
||||
displayOptions: {
|
||||
show: {
|
||||
language: ['python'],
|
||||
mode: ['runOnceForAllItems'],
|
||||
},
|
||||
},
|
||||
},
|
||||
{
|
||||
...commonDescription,
|
||||
displayOptions: {
|
||||
show: {
|
||||
language: ['python'],
|
||||
mode: ['runOnceForEachItem'],
|
||||
},
|
||||
},
|
||||
},
|
||||
{
|
||||
displayName:
|
||||
'Debug by using <code>print()</code> statements and viewing their output in the browser console.',
|
||||
name: 'notice',
|
||||
type: 'notice',
|
||||
displayOptions: {
|
||||
show: {
|
||||
language: ['python'],
|
||||
},
|
||||
},
|
||||
default: '',
|
||||
},
|
||||
{
|
||||
displayName: 'Python Modules',
|
||||
name: 'modules',
|
||||
displayOptions: {
|
||||
show: {
|
||||
language: ['python'],
|
||||
},
|
||||
},
|
||||
type: 'string',
|
||||
default: '',
|
||||
placeholder: 'opencv-python',
|
||||
description:
|
||||
'Comma-separated list of Python modules to load. They have to be installed to be able to be loaded and imported.',
|
||||
noDataExpression: true,
|
||||
},
|
||||
];
|
||||
|
|
@ -1,15 +1,25 @@
|
|||
import { anyNumber, mock } from 'jest-mock-extended';
|
||||
import { NodeVM } from 'vm2';
|
||||
import type { IExecuteFunctions, IWorkflowDataProxyData } from 'n8n-workflow';
|
||||
import { NodeHelpers } from 'n8n-workflow';
|
||||
import { normalizeItems } from 'n8n-core';
|
||||
import { testWorkflows, getWorkflowFilenames } from '../../../test/nodes/Helpers';
|
||||
import {
|
||||
testWorkflows,
|
||||
getWorkflowFilenames,
|
||||
initBinaryDataManager,
|
||||
} from '../../../test/nodes/Helpers';
|
||||
import { Code } from '../Code.node';
|
||||
import { Sandbox } from '../Sandbox';
|
||||
import { ValidationError } from '../ValidationError';
|
||||
|
||||
const workflows = getWorkflowFilenames(__dirname);
|
||||
describe('Test Code Node', () => {
|
||||
const workflows = getWorkflowFilenames(__dirname);
|
||||
|
||||
describe('Test Code Node', () => testWorkflows(workflows));
|
||||
beforeAll(async () => {
|
||||
await initBinaryDataManager();
|
||||
});
|
||||
|
||||
testWorkflows(workflows);
|
||||
});
|
||||
|
||||
describe('Code Node unit test', () => {
|
||||
const node = new Code();
|
||||
|
|
@ -48,7 +58,7 @@ describe('Code Node unit test', () => {
|
|||
|
||||
Object.entries(tests).forEach(([title, [input, expected]]) =>
|
||||
test(title, async () => {
|
||||
jest.spyOn(Sandbox.prototype, 'run').mockResolvedValueOnce(input);
|
||||
jest.spyOn(NodeVM.prototype, 'run').mockResolvedValueOnce(input);
|
||||
|
||||
const output = await node.execute.call(thisArg);
|
||||
expect(output).toEqual([expected]);
|
||||
|
|
@ -68,14 +78,14 @@ describe('Code Node unit test', () => {
|
|||
|
||||
Object.entries(tests).forEach(([title, returnData]) =>
|
||||
test(`return error if \`.json\` is ${title}`, async () => {
|
||||
jest.spyOn(Sandbox.prototype, 'run').mockResolvedValueOnce([{ json: returnData }]);
|
||||
jest.spyOn(NodeVM.prototype, 'run').mockResolvedValueOnce([{ json: returnData }]);
|
||||
|
||||
try {
|
||||
await node.execute.call(thisArg);
|
||||
throw new Error("Validation error wasn't thrown");
|
||||
} catch (error) {
|
||||
expect(error).toBeInstanceOf(ValidationError);
|
||||
expect(error.message).toEqual("A 'json' property isn't an object");
|
||||
expect(error.message).toEqual("A 'json' property isn't an object [item 0]");
|
||||
}
|
||||
}),
|
||||
);
|
||||
|
|
@ -100,7 +110,7 @@ describe('Code Node unit test', () => {
|
|||
|
||||
Object.entries(tests).forEach(([title, [input, expected]]) =>
|
||||
test(title, async () => {
|
||||
jest.spyOn(Sandbox.prototype, 'run').mockResolvedValueOnce(input);
|
||||
jest.spyOn(NodeVM.prototype, 'run').mockResolvedValueOnce(input);
|
||||
|
||||
const output = await node.execute.call(thisArg);
|
||||
expect(output).toEqual([[{ json: expected?.json, pairedItem: { item: 0 } }]]);
|
||||
|
|
@ -120,7 +130,7 @@ describe('Code Node unit test', () => {
|
|||
|
||||
Object.entries(tests).forEach(([title, returnData]) =>
|
||||
test(`return error if \`.json\` is ${title}`, async () => {
|
||||
jest.spyOn(Sandbox.prototype, 'run').mockResolvedValueOnce({ json: returnData });
|
||||
jest.spyOn(NodeVM.prototype, 'run').mockResolvedValueOnce({ json: returnData });
|
||||
|
||||
try {
|
||||
await node.execute.call(thisArg);
|
||||
|
|
|
|||
|
|
@ -36,7 +36,3 @@ export function standardizeOutput(output: IDataObject) {
|
|||
standardizeOutputRecursive(output);
|
||||
return output;
|
||||
}
|
||||
|
||||
export type CodeNodeMode = 'runOnceForAllItems' | 'runOnceForEachItem';
|
||||
|
||||
export const REQUIRED_N8N_ITEM_KEYS = new Set(['json', 'binary', 'pairedItem']);
|
||||
|
|
|
|||
|
|
@ -891,6 +891,7 @@
|
|||
"pg-promise": "^10.5.8",
|
||||
"pretty-bytes": "^5.6.0",
|
||||
"promise-ftp": "^1.3.5",
|
||||
"pyodide": "^0.22.1",
|
||||
"redis": "^3.1.1",
|
||||
"request": "^2.88.2",
|
||||
"rhea": "^1.0.11",
|
||||
|
|
|
|||
|
|
@ -2,6 +2,9 @@
|
|||
export const BINARY_ENCODING = 'base64';
|
||||
export const WAIT_TIME_UNLIMITED = '3000-01-01T00:00:00.000Z';
|
||||
|
||||
export const CODE_LANGUAGES = ['javaScript', 'json', 'python'] as const;
|
||||
export const CODE_EXECUTION_MODES = ['runOnceForAllItems', 'runOnceForEachItem'] as const;
|
||||
|
||||
/**
|
||||
* Nodes whose parameter values may refer to other nodes without expressions.
|
||||
* Their content may need to be updated when the referenced node is renamed.
|
||||
|
|
|
|||
|
|
@ -7,7 +7,9 @@ import type { Readable } from 'stream';
|
|||
import type { URLSearchParams } from 'url';
|
||||
import type { OptionsWithUri, OptionsWithUrl } from 'request';
|
||||
import type { RequestPromiseOptions, RequestPromiseAPI } from 'request-promise-native';
|
||||
import type { PathLike } from 'fs';
|
||||
|
||||
import type { CODE_EXECUTION_MODES, CODE_LANGUAGES } from './Constants';
|
||||
import type { IDeferredPromise } from './DeferredPromise';
|
||||
import type { Workflow } from './Workflow';
|
||||
import type { WorkflowHooks } from './WorkflowHooks';
|
||||
|
|
@ -15,7 +17,6 @@ import type { WorkflowActivationError } from './WorkflowActivationError';
|
|||
import type { WorkflowOperationError } from './WorkflowErrors';
|
||||
import type { NodeApiError, NodeOperationError } from './NodeErrors';
|
||||
import type { ExpressionError } from './ExpressionError';
|
||||
import type { PathLike } from 'fs';
|
||||
import type { ExecutionStatus } from './ExecutionStatus';
|
||||
import type { AuthenticationMethod } from './Authentication';
|
||||
|
||||
|
|
@ -635,12 +636,12 @@ namespace ExecuteFunctions {
|
|||
fallbackValue?: number,
|
||||
options?: IGetNodeParameterOptions,
|
||||
): number;
|
||||
getNodeParameter(
|
||||
getNodeParameter<T = NodeParameterValueType | object>(
|
||||
parameterName: string,
|
||||
itemIndex: number,
|
||||
fallbackValue?: any,
|
||||
options?: IGetNodeParameterOptions,
|
||||
): NodeParameterValueType | object;
|
||||
): T;
|
||||
};
|
||||
}
|
||||
|
||||
|
|
@ -1020,7 +1021,8 @@ export type NodePropertyTypes =
|
|||
export type CodeAutocompleteTypes = 'function' | 'functionItem';
|
||||
|
||||
export type EditorType = 'code' | 'codeNodeEditor' | 'htmlEditor' | 'sqlEditor' | 'json';
|
||||
export type CodeNodeEditorLanguage = 'javaScript' | 'json'; //| 'python' | 'sql';
|
||||
export type CodeNodeEditorLanguage = (typeof CODE_LANGUAGES)[number];
|
||||
export type CodeExecutionMode = (typeof CODE_EXECUTION_MODES)[number];
|
||||
export type SQLDialect = 'mssql' | 'mysql' | 'postgres';
|
||||
|
||||
export interface ILoadOptions {
|
||||
|
|
|
|||
526
pnpm-lock.yaml
526
pnpm-lock.yaml
File diff suppressed because it is too large
Load diff
Loading…
Reference in a new issue