steamcmd_check_app_update.py

from scriptlets.steam.steamcmd_get_app_details import *
from scriptlets.steam.steamcmd_parse_manifest import *


def steamcmd_check_app_update(app_manifest: str):
	if not os.path.exists(app_manifest):
		print(f"App manifest file {app_manifest} does not exist.", file=sys.stderr)
		return False

	# App manifest is a local copy of the app JSON data
	with open(app_manifest, 'r') as f:
		details = steamcmd_parse_manifest(f.read())

	if 'AppState' not in details:
		print(f"Invalid app manifest format in {app_manifest}.", file=sys.stderr)
		return False

	# Pull local data about the installed game from its manifest file
	app_id = details['AppState']['appid']
	build_id = details['AppState']['buildid']

	if 'MountedConfig' in details['AppState'] and 'BetaKey' in details['AppState']['MountedConfig']:
		branch = details['AppState']['MountedConfig']['BetaKey']
	else:
		branch = 'public'

	# Pull the latest app details from SteamCMD
	details = steamcmd_get_app_details(app_id)

	# Ensure some basic data integrity
	if 'depots' not in details:
		print(f"No depot information found for app {app_id}.", file=sys.stderr)
		return False

	if 'branches' not in details['depots']:
		print(f"No branch information found for app {app_id}.", file=sys.stderr)
		return False

	if branch not in details['depots']['branches']:
		print(f"Branch {branch} not found for app {app_id}.", file=sys.stderr)
		return False

	# Just check if the build IDs differ
	available_build_id = details['depots']['branches'][branch]['buildid']
	return build_id != available_build_id