"""Prefix creation methods for AutomatedPrefixService (Mixin).""" from pathlib import Path from typing import Optional import logging import os import time import subprocess logger = logging.getLogger(__name__) class PrefixCreationMixin: """Mixin providing prefix creation methods for AutomatedPrefixService.""" def _get_compatdata_path_for_appid(self, appid: int) -> Optional[Path]: """ Get the compatdata path for a given AppID. First tries to find existing compatdata, then constructs path from libraryfolders.vdf for creating new prefixes. Args: appid: The AppID to get the path for Returns: Path to the compatdata directory, or None if not found """ from ..handlers.path_handler import PathHandler # First, try to find existing compatdata compatdata_path = PathHandler.find_compat_data(str(appid)) if compatdata_path: return compatdata_path # Prefix doesn't exist yet - determine where to create it from libraryfolders.vdf library_paths = PathHandler.get_all_steam_library_paths() if library_paths: # Use the first library (typically the default library) # Construct compatdata path: library_path/steamapps/compatdata/appid first_library = library_paths[0] compatdata_base = first_library / "steamapps" / "compatdata" return compatdata_base / str(appid) # Only fallback if VDF parsing completely fails logger.warning("Could not get library paths from libraryfolders.vdf, using fallback locations") fallback_bases = [ Path.home() / ".var/app/com.valvesoftware.Steam/data/Steam/steamapps/compatdata", Path.home() / ".var/app/com.valvesoftware.Steam/.local/share/Steam/steamapps/compatdata", Path.home() / ".steam/steam/steamapps/compatdata", Path.home() / ".local/share/Steam/steamapps/compatdata", ] for base_path in fallback_bases: if base_path.is_dir(): return base_path / str(appid) return None def verify_prefix_creation(self, prefix_path: Path) -> bool: """ Verify that the prefix was created successfully. Args: prefix_path: Path to the prefix directory Returns: True if prefix is valid, False otherwise """ try: logger.info(f"Verifying prefix: {prefix_path}") # Check if prefix exists and has proper structure if not prefix_path.exists(): logger.error("Prefix directory does not exist") return False pfx_dir = prefix_path / "pfx" if not pfx_dir.exists(): logger.error("Prefix exists but no pfx subdirectory") return False # Check for key Wine files system_reg = pfx_dir / "system.reg" user_reg = pfx_dir / "user.reg" drive_c = pfx_dir / "drive_c" if not system_reg.exists(): logger.error("No system.reg found in prefix") return False if not user_reg.exists(): logger.error("No user.reg found in prefix") return False if not drive_c.exists(): logger.error("No drive_c directory found in prefix") return False logger.info("Prefix structure verified successfully") return True except Exception as e: logger.error(f"Error verifying prefix: {e}") return False def wait_for_prefix_completion(self, prefix_id: str, timeout: int = 60) -> bool: """ Wait for system.reg to stop growing (indicates prefix creation is complete). Args: prefix_id: The Steam prefix ID to monitor timeout: Maximum seconds to wait Returns: True if prefix creation completed, False if timeout """ try: prefix_path = Path.home() / f".local/share/Steam/steamapps/compatdata/{prefix_id}" system_reg = prefix_path / "pfx/system.reg" logger.info(f"Monitoring prefix completion: {system_reg}") last_size = 0 stable_count = 0 for i in range(timeout): if system_reg.exists(): current_size = system_reg.stat().st_size logger.debug(f"system.reg size: {current_size} bytes") if current_size == last_size: stable_count += 1 if stable_count >= 3: # Stable for 3 seconds logger.info(" system.reg size stable - prefix creation complete") return True else: stable_count = 0 last_size = current_size time.sleep(1) logger.warning(f"Timeout waiting for prefix completion after {timeout} seconds") return False except Exception as e: logger.error(f"Error monitoring prefix completion: {e}") return False def create_prefix_with_proton_wrapper(self, appid: int) -> bool: """ Create a Proton prefix directly using Proton's wrapper and STEAM_COMPAT_DATA_PATH. Args: appid: The AppID to create the prefix for Returns: True if successful, False otherwise """ try: # Determine Steam locations based on installation type from ..handlers.path_handler import PathHandler path_handler = PathHandler() all_libraries = path_handler.get_all_steam_library_paths() # Check if we have Flatpak Steam by looking for .var/app/com.valvesoftware.Steam in library paths is_flatpak_steam = any('.var/app/com.valvesoftware.Steam' in str(lib) for lib in all_libraries) if is_flatpak_steam and all_libraries: # Flatpak Steam: Use the actual library root from libraryfolders.vdf # Compatdata should be in the library root, not the client root flatpak_library_root = all_libraries[0] # Use first library (typically the default) flatpak_client_root = flatpak_library_root.parent.parent / ".steam/steam" if not flatpak_library_root.is_dir(): logger.error( f"Flatpak Steam library root does not exist: {flatpak_library_root}" ) return False steam_root = flatpak_client_root if flatpak_client_root.is_dir() else flatpak_library_root # CRITICAL: compatdata must be in the library root, not client root compatdata_dir = flatpak_library_root / "steamapps/compatdata" proton_common_dir = flatpak_library_root / "steamapps/common" else: # Native Steam (or unknown): fall back to legacy ~/.steam/steam layout steam_root = Path.home() / ".steam/steam" compatdata_dir = steam_root / "steamapps/compatdata" proton_common_dir = steam_root / "steamapps/common" # Ensure compatdata root exists and is a directory we actually want to use if not compatdata_dir.is_dir(): logger.error(f"Compatdata root does not exist: {compatdata_dir}. Aborting prefix creation.") return False # Find a Proton wrapper to use proton_path = self._find_proton_binary(proton_common_dir) if not proton_path: logger.error("No Proton wrapper found") return False # Set up environment variables env = os.environ.copy() env['STEAM_COMPAT_CLIENT_INSTALL_PATH'] = str(steam_root) env['STEAM_COMPAT_DATA_PATH'] = str(compatdata_dir / str(abs(appid))) # Suppress GUI windows using jackify-engine's proven approach env['DISPLAY'] = '' env['WAYLAND_DISPLAY'] = '' env['WINEDEBUG'] = '-all' env['WINEDLLOVERRIDES'] = 'msdia80.dll=n;conhost.exe=d;cmd.exe=d' # Create the compatdata directory for this AppID (but never the whole tree) compat_dir = compatdata_dir / str(abs(appid)) compat_dir.mkdir(exist_ok=True) logger.info(f"Creating Proton prefix for AppID {appid}") logger.info(f"STEAM_COMPAT_CLIENT_INSTALL_PATH={env['STEAM_COMPAT_CLIENT_INSTALL_PATH']}") logger.info(f"STEAM_COMPAT_DATA_PATH={env['STEAM_COMPAT_DATA_PATH']}") # Run proton run wineboot -u to initialize the prefix cmd = [str(proton_path), 'run', 'wineboot', '-u'] logger.info(f"Running: {' '.join(cmd)}") # Adjust timeout for SD card installations on Steam Deck (slower I/O) from ..services.platform_detection_service import PlatformDetectionService platform_service = PlatformDetectionService.get_instance() is_steamdeck_sdcard = (platform_service.is_steamdeck and str(proton_path).startswith('/run/media/')) timeout = 180 if is_steamdeck_sdcard else 60 if is_steamdeck_sdcard: logger.info(f"Using extended timeout ({timeout}s) for Steam Deck SD card Proton installation") # Use jackify-engine's approach: UseShellExecute=false, CreateNoWindow=true equivalent result = subprocess.run(cmd, env=env, capture_output=True, text=True, timeout=timeout, shell=False, creationflags=getattr(subprocess, 'CREATE_NO_WINDOW', 0)) logger.info(f"Proton exit code: {result.returncode}") if result.stdout: logger.info(f"stdout: {result.stdout.strip()[:500]}") if result.stderr: logger.info(f"stderr: {result.stderr.strip()[:500]}") # Give a moment for files to land time.sleep(3) # Check if prefix was created pfx = compat_dir / 'pfx' if pfx.exists(): logger.info(f" Proton prefix created at: {pfx}") return True else: logger.warning(f"Proton prefix not found at: {pfx}") return False except subprocess.TimeoutExpired: logger.warning("Proton timed out; prefix may still be initializing") return False except Exception as e: logger.error(f"Error creating prefix: {e}") return False