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# Code adapted from EzioTheDeadPoet / erri120:
# https://github.com/ModOrganizer2/modorganizer-basic_games/pull/5
from __future__ import annotations
import json
import sys
from pathlib import Path
try:
import winreg
except ImportError:
winreg = None # type: ignore[assignment]
def _find_heroic_gog_games() -> dict[str, Path]:
"""Detect GOG games installed via Heroic Launcher on Linux."""
games: dict[str, Path] = {}
for candidate in (
Path.home() / ".config" / "heroic" / "gog_store" / "installed.json",
Path.home()
/ ".var"
/ "app"
/ "com.heroicgameslauncher.hgl"
/ "config"
/ "heroic"
/ "gog_store"
/ "installed.json",
):
if not candidate.is_file():
continue
try:
with open(candidate, encoding="utf-8") as f:
data = json.load(f)
for game in data.get("installed", []):
app_name = game.get("appName", "")
install_path = game.get("install_path") or game.get("installPath", "")
if app_name and install_path:
games[str(app_name)] = Path(install_path)
except (json.JSONDecodeError, OSError) as e:
print(
f'Unable to parse Heroic GOG installed games from "{candidate}": {e}',
file=sys.stderr,
)
return games
def find_games() -> dict[str, Path]:
if winreg is None:
# winreg not available (Linux without shim); use Heroic GOG.
return _find_heroic_gog_games()
# List the game IDs from the registry (Windows):
game_ids: list[str] = []
try:
with winreg.OpenKey(
winreg.HKEY_LOCAL_MACHINE, r"Software\Wow6432Node\GOG.com\Games"
) as key:
nkeys = winreg.QueryInfoKey(key)[0]
for ik in range(nkeys):
game_key = winreg.EnumKey(key, ik)
if game_key.isdigit():
game_ids.append(game_key)
except FileNotFoundError:
# Windows registry not available; try Heroic GOG on Linux.
return _find_heroic_gog_games()
# For each game, query the path:
games: dict[str, Path] = {}
for game_id in game_ids:
try:
with winreg.OpenKey(
winreg.HKEY_LOCAL_MACHINE,
f"Software\\Wow6432Node\\GOG.com\\Games\\{game_id}",
) as key:
games[game_id] = Path(winreg.QueryValueEx(key, "path")[0])
except FileNotFoundError:
pass
return games
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