Class PyodidePreloader

Service to handle Pyodide package preloading. Manages package downloads and caching for offline Python execution.

Implements

Disposable

Index

Constructors

Properties

_configWatcher _context _isPreloading _logger

Methods

_executePreload _getPackagesKey _onConfigChanged _promptUserForPreload _startPreload _watchConfigChanges dispose initialize

Constructors

constructor

new PyodidePreloader(
_context: ExtensionContext,
_logger: ILogger,
): PyodidePreloader
Parameters
- _context: ExtensionContext
- _logger: ILogger
Returns PyodidePreloader
- Defined in src/services/pyodide/pyodidePreloader.ts:36

Properties

`Private`_configWatcher

_configWatcher: Disposable = null

`Private` `Readonly`_context

_context: ExtensionContext

`Private`_isPreloading

_isPreloading: boolean = false

`Private` `Readonly`_logger

_logger: ILogger

Methods

`Private`_executePreload

_executePreload(
packages: string[],
progress: Progress<{ increment?: number; message?: string }>,
): Promise<void>
Execute the actual preload by communicating with webview
Parameters
- packages: string[]
- progress: Progress<{ increment?: number; message?: string }>
Returns Promise<void>
- Defined in src/services/pyodide/pyodidePreloader.ts:279

`Private`_getPackagesKey

_getPackagesKey(packages: string[]): string
Generate a stable key from package list for caching
Parameters
- packages: string[]
Returns string
- Defined in src/services/pyodide/pyodidePreloader.ts:118

`Private`_onConfigChanged

_onConfigChanged(): Promise<void>
Handle configuration changes

Returns Promise<void>
- Defined in src/services/pyodide/pyodidePreloader.ts:177

`Private`_promptUserForPreload

_promptUserForPreload(): Promise<void>
Prompt user on first startup if they want to preload packages

Returns Promise<void>
- Defined in src/services/pyodide/pyodidePreloader.ts:125

`Private`_startPreload

_startPreload(): Promise<void>
Start preloading packages in background

Returns Promise<void>
- Defined in src/services/pyodide/pyodidePreloader.ts:216

`Private`_watchConfigChanges

_watchConfigChanges(): void
Watch for configuration changes and trigger preload if packages changed

Returns void
- Defined in src/services/pyodide/pyodidePreloader.ts:162

dispose

dispose(): void
Dispose the preloader service

Returns void
Implementation of vscode.Disposable.dispose
- Defined in src/services/pyodide/pyodidePreloader.ts:319

initialize

initialize(): Promise<void>
Initialize the preloader service.
- Prompts user on first startup (if enabled)
- Watches for config changes
- Starts preload if appropriate
Returns Promise<void>
- Defined in src/services/pyodide/pyodidePreloader.ts:47