Added download settings and optimized the downloader system with concurrency.

ptlinux/cli.py

@@ -23,6 +23,7 @@ from ptdiag.logs import (
 from . import __version__
 from .command import CommandError, CommandOutcome, CommandRunner
 from .depot import (
+	DownloadOptions,
 	SyncProgress,
 	read_cached_depot_launch_catalog,
 	select_depot_start_option,
@@ -561,6 +562,7 @@ def _native_update(
 	"""Use the native verified depot client for normal installs and updates."""
 
 	settings = _load_or_default_settings(paths, persist=not dry_run)
+	download_options = _configured_download_options(settings)
 	runner = _runner(paths, "native-update", dry_run)
 	with _operation_guard(paths, "native-update", dry_run):
 		_print_operation_status(as_json, 1, 3, "Checking local game files…")
@@ -581,6 +583,11 @@ def _native_update(
 			quarantine_unmanaged=verify_import,
 			dry_run=dry_run,
 			progress=None if as_json else _print_sync_progress,
+			**(
+				{"download_options": download_options}
+				if download_options is not None
+				else {}
+			),
 		)
 		if verify_import and not dry_run:
 			mark_game_import_verified(
@@ -620,6 +627,7 @@ def _wine_update(
 		raise LauncherError("Wine, Wineboot, and Winetricks are required; run doctor")
 	runner = _runner(paths, "update", dry_run)
 	settings = _load_or_default_settings(paths, persist=not dry_run)
+	download_options = _configured_download_options(settings)
 	with _operation_guard(paths, "update", dry_run):
 		configure_launcher_prefix(
 			paths,
@@ -647,6 +655,11 @@ def _wine_update(
 				repair=True,
 				quarantine_unmanaged=True,
 				progress=None if as_json else _print_sync_progress,
+				**(
+					{"download_options": download_options}
+					if download_options is not None
+					else {}
+				),
 			)
 			mark_game_import_verified(
 				paths,
@@ -677,6 +690,20 @@ def _print_sync_progress(progress: SyncProgress) -> None:
 	print(f"PROGRESS {json.dumps(asdict(progress), sort_keys=True)}", flush=True)
 
 
+def _configured_download_options(settings: Settings) -> DownloadOptions | None:
+	if (
+		settings.download_speed_limit_bytes_per_second is None
+		and not settings.low_bandwidth_mode
+	):
+		return None
+	return DownloadOptions(
+		bandwidth_limit_bytes_per_second=(
+			settings.download_speed_limit_bytes_per_second
+		),
+		low_bandwidth=settings.low_bandwidth_mode,
+	)
+
+
 def _print_operation_status(
 	as_json: bool,
 	step: int,