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app

Mount all Flet FastAPI handlers in one call.

Parameters:

  • main (AppCallable) - Application entry point. It is called for newly connected users. Handler (function or coroutine) must have 1 parameter of instance Page.
  • before_main (AppCallable | None, default: None) - Called after Page was created, but before calling main.
  • proxy_path (str | None, default: None) - URL prefix when the app is mounted under a proxy.
  • assets_dir (str | None, default: None) - an absolute path to app's assets directory.
  • app_name (str | None, default: None) - PWA application name.
  • app_short_name (str | None, default: None) - PWA application short name.
  • app_description (str | None, default: None) - PWA application description.
  • web_renderer (WebRenderer, default: WebRenderer.AUTO) - web renderer defaulting to WebRenderer.AUTO.
  • route_url_strategy (RouteUrlStrategy, default: RouteUrlStrategy.PATH) - routing URL strategy: path (default) or hash.
  • no_cdn (bool, default: False) - do not load resources from CDN.
  • upload_dir (str | None, default: None) - an absolute path to a directory with uploaded files.
  • upload_endpoint_path (str | None, default: None) - absolute URL of upload endpoint, e.g. /upload.
  • max_upload_size (int | None, default: None) - maximum size of a single upload, bytes. Unlimited if None.
  • secret_key (str | None, default: None) - secret key to sign and verify upload requests.
  • session_timeout_seconds (int, default: DEFAULT_FLET_SESSION_TIMEOUT) - session lifetime, in seconds, after the user disconnected.
  • oauth_state_timeout_seconds (int, default: DEFAULT_FLET_OAUTH_STATE_TIMEOUT) - OAuth state lifetime, in seconds, which is the maximum allowed time between starting OAuth flow and redirecting to OAuth callback URL.