Files
cartridges/src/importer/sources/legendary_source.py
2023-06-17 16:27:10 +02:00

100 lines
3.5 KiB
Python

# legendary_source.py
#
# 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 json
import logging
from json import JSONDecodeError
from pathlib import Path
from time import time
from typing import Generator
from src import shared # pylint: disable=no-name-in-module
from src.game import Game
from src.importer.sources.source import Source, SourceIterationResult, SourceIterator
from src.utils.decorators import replaced_by_path, replaced_by_schema_key
class LegendarySourceIterator(SourceIterator):
source: "LegendarySource"
def game_from_library_entry(self, entry: dict) -> SourceIterationResult:
# Skip non-games
if entry["is_dlc"]:
return None
# Build game
app_name = entry["app_name"]
values = {
"version": shared.SPEC_VERSION,
"added": int(time()),
"source": self.source.id,
"name": entry["title"],
"game_id": self.source.game_id_format.format(game_id=app_name),
"executable": self.source.executable_format.format(app_name=app_name),
}
data = {}
# Get additional metadata from file (optional)
metadata_file = self.source.location / "metadata" / f"{app_name}.json"
try:
metadata = json.load(metadata_file.open())
values["developer"] = metadata["metadata"]["developer"]
for image_entry in metadata["metadata"]["keyImages"]:
if image_entry["type"] == "DieselGameBoxTall":
data["online_cover_url"] = image_entry["url"]
break
except (JSONDecodeError, OSError, KeyError):
pass
game = Game(values, allow_side_effects=False)
return (game, data)
def generator_builder(self) -> Generator[SourceIterationResult, None, None]:
# Open library
file = self.source.location / "installed.json"
try:
library: dict = json.load(file.open())
except (JSONDecodeError, OSError):
logging.warning("Couldn't open Legendary file: %s", str(file))
return
# Generate games from library
for entry in library.values():
try:
result = self.game_from_library_entry(entry)
except KeyError as error:
# Skip invalid games
logging.warning(
"Invalid Legendary game skipped in %s", str(file), exc_info=error
)
continue
yield result
class LegendarySource(Source):
name = "Legendary"
executable_format = "legendary launch {app_name}"
iterator_class = LegendarySourceIterator
available_on = set(("linux", "win32"))
@property
@replaced_by_schema_key
@replaced_by_path(shared.config_dir / "legendary")
def location(self) -> Path:
raise FileNotFoundError()