feat(Code Node): Add Python support (#4295)

packages/nodes-base/nodes/Code/descriptions/PythonCodeDescription.ts

@@ -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,
+	},
+];