In python.ts, added function isExistingPythonModule.

In ClassNameComponent.tsx, check whether the class name entered by the user would cause a collision with an existing python module.

Author: lizlooney

src/blocks/utils/python.ts

@@ -287,3 +287,15 @@ export function getLegalName(proposedName: string, existingNames: string[]){
   }
   return newName;
 }
+
+export function isExistingPythonModule(moduleName: string): boolean {
+  for (const pythonData of allPythonData) {
+    // Process modules.
+    for (const moduleData of pythonData.modules) {
+      if (moduleData.moduleName === moduleName) {
+        return true;
+      }
+    }
+  }
+  return false;
+}

src/i18n/locales/en/translation.json

@@ -95,8 +95,9 @@
         "ERROR_LOADING_DEPENDENCIES": "Error loading dependencies.",
         "COPYRIGHT": "© 2025 FIRST. All rights reserved."
     },
-    "INVALID_CLASS_NAME": "{{name}} is not a valid name. Please enter a different name.",
+    "INVALID_CLASS_NAME": "{{className}} is not a valid name. Please enter a different name.",
     "CLASS_NAME_ALREADY_EXISTS": "Another Mechanism or OpMode is already named {{name}}. Please enter a different name.",
+    "PYTHON_MODULE_NAME_ALREADY_EXISTS": "{{name}} is not a valid name because there is a python module named {{moduleName}}.",
     "THEME_MODAL": {
         "LIGHT": "Light Theme",
         "LIGHT_DESCRIPTION": "Clean and bright interface for daytime use",

src/i18n/locales/es/translation.json

@@ -98,6 +98,7 @@
     },
     "INVALID_CLASS_NAME": "{{name}} no es un nombre válido. Por favor ingrese un nombre diferente.",
     "CLASS_NAME_ALREADY_EXISTS": "Otro Mecanismo u OpMode ya se llama {{name}}. Por favor ingrese un nombre diferente.",
+    "PYTHON_MODULE_NAME_ALREADY_EXISTS": "{{name}} no es un nombre válido porque existe un módulo de Python llamado {{moduleName}}.",
     "THEME_MODAL": {
         "LIGHT": "Tema Claro",
         "LIGHT_DESCRIPTION": "Interfaz limpia y brillante para uso diurno",

src/i18n/locales/he/translation.json

@@ -97,6 +97,7 @@
   },
   "INVALID_CLASS_NAME": "{{name}} אינו שם תקין. אנא הזן שם אחר.",
   "CLASS_NAME_ALREADY_EXISTS": "מנגנון או אופמוד אחר כבר נקרא {{name}}. אנא הזן שם אחר.",
+  "PYTHON_MODULE_NAME_ALREADY_EXISTS": "{{name}} אינו שם חוקי מכיוון שקיים מודול פייתון בשם {{moduleName}}.",
   "THEME_MODAL": {
     "LIGHT": "ערכת נושא בהירה",
     "LIGHT_DESCRIPTION": "ממשק נקי ובהיר לשימוש ביום",

src/reactComponents/ClassNameComponent.tsx

@@ -26,6 +26,7 @@ import * as React from 'react';
 import * as commonStorage from '../storage/common_storage';
 import * as storageProject from '../storage/project';
 import * as storageNames from '../storage/names';
+import { isExistingPythonModule } from '../blocks/utils/python';
 
 /** Props for the ClassNameComponent. */
 interface ClassNameComponentProps {
@@ -75,6 +76,11 @@ export default function ClassNameComponent(props: ClassNameComponentProps): Reac
       error = t('CLASS_NAME_ALREADY_EXISTS', { name: newClassName });
     }
 
+    const moduleName = storageNames.pascalCaseToSnakeCase(newClassName);
+    if (isExistingPythonModule(moduleName)) {
+      error = t('PYTHON_MODULE_NAME_ALREADY_EXISTS', { name: newClassName, moduleName: moduleName });
+    }
+
     if (!error) {
       clearError();
       props.onAddNewItem();