Initial implementation for VSCode Notebook support (#17885)

extensions/notebook/src/common/constants.ts

@@ -93,3 +93,7 @@ export const SQL_PROVIDER = 'MSSQL';
 export const USER = 'user';
 export const AUTHTYPE = 'authenticationType';
 export const INTEGRATED_AUTH = 'integrated';
+
+// The version of the notebook file format that we support
+export const NBFORMAT = 4;
+export const NBFORMAT_MINOR = 2;

extensions/notebook/src/jupyter/jupyterServerInstallation.ts

@@ -885,8 +885,8 @@ export class JupyterServerInstallation implements IJupyterServerInstallation {
 					name: 'python3'
 				}
 			},
-			nbformat: 4,
-			nbformat_minor: 5
+			nbformat: constants.NBFORMAT,
+			nbformat_minor: constants.NBFORMAT_MINOR
 		};
 
 		await vscode.commands.executeCommand('_notebook.command.new', {

extensions/notebook/src/test/protocol/notebookUriHandler.test.ts

@@ -147,8 +147,8 @@ describe('Notebook URI Handler', function (): void {
 					display_name: 'Python 3'
 				}
 			},
-			nbformat: 4,
-			nbformat_minor: 5
+			nbformat: constants.NBFORMAT,
+			nbformat_minor: constants.NBFORMAT_MINOR
 		};
 
 		await fs.writeFile(notebookPath, JSON.stringify(notebookContent));