Files
cartridges/src/importer/sources/steam_source.py
2023-07-06 10:02:11 +02:00

131 lines
4.3 KiB
Python

# steam_source.py
#
# Copyright 2022-2023 kramo
# Copyright 2023 Geoffrey Coulaud
#
# This program is free software: you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation, either version 3 of the License, or
# (at your option) any later version.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with this program. If not, see <http://www.gnu.org/licenses/>.
#
# SPDX-License-Identifier: GPL-3.0-or-later
import re
from pathlib import Path
from time import time
from typing import Iterable
from src import shared
from src.game import Game
from src.importer.sources.source import (
SourceIterationResult,
SourceIterator,
URLExecutableSource,
)
from src.utils.steam import SteamFileHelper, SteamInvalidManifestError
from src.importer.sources.location import Location
class SteamSourceIterator(SourceIterator):
source: "SteamSource"
def get_manifest_dirs(self) -> Iterable[Path]:
"""Get dirs that contain steam app manifests"""
libraryfolders_path = self.source.data_location["libraryfolders.vdf"]
with open(libraryfolders_path, "r", encoding="utf-8") as file:
contents = file.read()
return [
Path(path) / "steamapps"
for path in re.findall('"path"\\s+"(.*)"\n', contents, re.IGNORECASE)
]
def get_manifests(self) -> Iterable[Path]:
"""Get app manifests"""
manifests = set()
for steamapps_dir in self.get_manifest_dirs():
if not steamapps_dir.is_dir():
continue
manifests.update(
[
manifest
for manifest in steamapps_dir.glob("appmanifest_*.acf")
if manifest.is_file()
]
)
return manifests
def generator_builder(self) -> SourceIterationResult:
"""Generator method producing games"""
appid_cache = set()
manifests = self.get_manifests()
added_time = int(time())
for manifest in manifests:
# Get metadata from manifest
steam = SteamFileHelper()
try:
local_data = steam.get_manifest_data(manifest)
except (OSError, SteamInvalidManifestError):
continue
# Skip non installed games
installed_mask = 4
if not int(local_data["stateflags"]) & installed_mask:
continue
# Skip duplicate appids
appid = local_data["appid"]
if appid in appid_cache:
continue
appid_cache.add(appid)
# Build game from local data
values = {
"added": added_time,
"name": local_data["name"],
"source": self.source.id,
"game_id": self.source.game_id_format.format(game_id=appid),
"executable": self.source.executable_format.format(game_id=appid),
}
game = Game(values)
# Add official cover image
image_path = (
self.source.data_location["librarycache"]
/ f"{appid}_library_600x900.jpg"
)
additional_data = {"local_image_path": image_path, "steam_appid": appid}
# Produce game
yield (game, additional_data)
class SteamSource(URLExecutableSource):
name = "Steam"
available_on = {"linux", "win32"}
iterator_class = SteamSourceIterator
url_format = "steam://rungameid/{game_id}"
data_location = Location(
schema_key="steam-location",
candidates=(
shared.home / ".steam" / "steam",
shared.data_dir / "Steam",
shared.flatpak_dir / "com.valvesoftware.Steam" / "data" / "Steam",
shared.programfiles32_dir / "Steam",
),
paths={
"libraryfolders.vdf": (False, "steamapps/libraryfolders.vdf"),
"librarycache": (True, "appcache/librarycache"),
},
)