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refactor(core): Add env var to disable Python execution (#17414)

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This commit is contained in:
Iván Ovejero
2025-07-17 15:10:52 +02:00
committed by GitHub
parent faa8935ccd
commit 5cc3b31b81
4 changed files with 25 additions and 6 deletions
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25
packages/nodes-base/nodes/Code/Code.node.ts
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@@ -1,8 +1,9 @@
import { TaskRunnersConfig } from '@n8n/config';
import { NodesConfig, TaskRunnersConfig } from '@n8n/config';
import { Container } from '@n8n/di';
import set from 'lodash/set';
import {
NodeConnectionTypes,
UserError,
type CodeExecutionMode,
type CodeNodeEditorLanguage,
type IExecuteFunctions,
@@ -21,6 +22,14 @@ import { addPostExecutionWarning, standardizeOutput } from './utils';
const { CODE_ENABLE_STDOUT } = process.env;
class PythonDisabledError extends UserError {
constructor() {
super(
'This instance disallows Python execution because it has the environment variable `N8N_PYTHON_ENABLED` set to `false`. To restore Python execution, remove this environment variable or set it to `true` and restart the instance.',
);
}
}
export class Code implements INodeType {
description: INodeTypeDescription = {
displayName: 'Code',
@@ -96,16 +105,20 @@ export class Code implements INodeType {
};
async execute(this: IExecuteFunctions) {
const runnersConfig = Container.get(TaskRunnersConfig);
const nodeMode = this.getNodeParameter('mode', 0) as CodeExecutionMode;
const workflowMode = this.getMode();
const node = this.getNode();
const language: CodeNodeEditorLanguage =
node.typeVersion === 2
? (this.getNodeParameter('language', 0) as CodeNodeEditorLanguage)
: 'javaScript';
if (language === 'python' && !Container.get(NodesConfig).pythonEnabled) {
// eslint-disable-next-line n8n-nodes-base/node-execute-block-wrong-error-thrown
throw new PythonDisabledError();
}
const runnersConfig = Container.get(TaskRunnersConfig);
const nodeMode = this.getNodeParameter('mode', 0) as CodeExecutionMode;
const workflowMode = this.getMode();
const codeParameterName = language === 'python' ? 'pythonCode' : 'jsCode';
if (runnersConfig.enabled && language === 'javaScript') {