projen · mergify · Mar 24, 2022 · Mar 24, 2022 · Mar 24, 2022 · Mar 24, 2022
diff --git a/docs/api/API.md b/docs/api/API.md
@@ -2257,6 +2257,7 @@ new SourceCode(project: Project, filePath: string, options?: SourceCodeOptions)
 * **filePath** (<code>string</code>)  *No description*
 * **options** (<code>[SourceCodeOptions](#projen-sourcecodeoptions)</code>)  *No description*
   * **indent** (<code>number</code>)  Indentation size. __*Default*__: 2
+  * **readonly** (<code>boolean</code>)  Whether the generated file should be readonly. __*Default*__: true
 
 
 
@@ -11327,6 +11328,7 @@ Options for `SourceCodeFile`.
 Name | Type | Description 
 -----|------|-------------
 **indent**?🔹 | <code>number</code> | Indentation size.<br/>__*Default*__: 2
+**readonly**?🔹 | <code>boolean</code> | Whether the generated file should be readonly.<br/>__*Default*__: true
 
 
 

diff --git a/src/awscdk/awscdk-app-java.ts b/src/awscdk/awscdk-app-java.ts
@@ -119,7 +119,7 @@ export class AwsCdkJavaApp extends JavaProject {
           `public class ${this.mainClassName} {`,
           "  public static void main(final String[] args) {",
           "    App app = new App();",
-          '    new Stack(app, "MyStack");',
+          `    new Stack(app, "${this.name}");`,
           "    app.synth();",
           "  }",
           "}",

diff --git a/src/awscdk/awscdk-app-py.ts b/src/awscdk/awscdk-app-py.ts
@@ -113,36 +113,34 @@ class AppCode extends Component {
   constructor(project: AwsCdkPythonApp, fileName: string, cdkVersion: number) {
     super(project);
 
-    const src = new SourceCode(project, fileName);
+    const src = new SourceCode(project, fileName, {
+      readonly: false,
+    });
 
     src.line("import os");
     if (cdkVersion < 2) {
       src.line("from aws_cdk.core import App, Environment");
     } else {
       src.line("from aws_cdk import App, Environment");
     }
-    src.line(`from ${project.moduleName}.my_stack import MyStack`);
+    src.line(`from ${project.moduleName}.main import MyStack`);
     src.line("");
     src.line("# for development, use account/region from cdk cli");
     src.open("dev_env = Environment(");
-    src.line("account=os.getenv('CDK_DEFAULT_ACCOUNT'),");
-    src.line("region=os.getenv('CDK_DEFAULT_REGION'),");
+    src.line("  account=os.getenv('CDK_DEFAULT_ACCOUNT'),");
+    src.line("  region=os.getenv('CDK_DEFAULT_REGION'),");
     src.close(")");
     src.line("");
     src.line("app = App()");
-    src.line('MyStack(app, "my-stack-dev", env=dev_env)');
-    src.line('# MyStack(app, "my-stack-prod", env=prod_env)');
+    src.line(`MyStack(app, "${this.project.name}-dev", env=dev_env)`);
+    src.line(`# MyStack(app, "${this.project.name}-prod", env=prod_env)`);
     src.line("");
     src.line("app.synth()");
   }
 }
 
 class MyStackCode extends Component {
-  constructor(
-    project: AwsCdkPythonApp,
-    sampleFile: string,
-    cdkMajorVersion: number
-  ) {
+  constructor(project: AwsCdkPythonApp, dir: string, cdkMajorVersion: number) {
     super(project);
 
     let appFile: string[] = [];
@@ -165,10 +163,10 @@ class MyStackCode extends Component {
     appFile.push("    # The code that defines your stack goes here");
     appFile.push("");
 
-    new SampleDir(project, sampleFile, {
+    new SampleDir(project, dir, {
       files: {
         "__init__.py": "",
-        "my_stack.py": appFile.join("\n"),
+        "main.py": appFile.join("\n"),
       },
     });
   }

diff --git a/src/awscdk/awscdk-app-ts.ts b/src/awscdk/awscdk-app-ts.ts
@@ -226,8 +226,8 @@ const devEnv = {
 
 const app = new App();
 
-new MyStack(app, 'my-stack-dev', { env: devEnv });
-// new MyStack(app, 'my-stack-prod', { env: prodEnv });
+new MyStack(app, '${this.project.name}-dev', { env: devEnv });
+// new MyStack(app, '${this.project.name}-prod', { env: prodEnv });
 
 app.synth();`;
 

diff --git a/src/source-code.ts b/src/source-code.ts
@@ -11,6 +11,13 @@ export interface SourceCodeOptions {
    * @default 2
    */
   readonly indent?: number;
+
+  /**
+   * Whether the generated file should be readonly.
+   *
+   * @default true
+   */
+  readonly readonly?: boolean;
 }
 
 /**
@@ -28,7 +35,9 @@ export class SourceCode extends Component {
   ) {
     super(project);
     this.indent = options.indent ?? 2;
-    this.file = new TextFile(project, filePath);
+    this.file = new TextFile(project, filePath, {
+      readonly: options.readonly ?? true,
+    });
   }
 
   public get marker(): string | undefined {

diff --git a/test/awscdk/python-app.test.ts b/test/awscdk/python-app.test.ts
@@ -25,7 +25,7 @@ test("create cdk python project", () => {
     "requirements-dev.txt",
     "requirements.txt",
     "test_cdk_python_app_project/__init__.py",
-    "test_cdk_python_app_project/my_stack.py",
+    "test_cdk_python_app_project/main.py",
     "tests/__init__.py",
     "tests/test_example.py",
   ]);