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[lfs] Cleanup/Rework Epic LFS to for Linux support

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derrod 2020-05-28 23:10:58 +02:00
parent b1ecce7aa3
commit d9b0930006
1 changed files with 40 additions and 23 deletions
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63
legendary/lfs/egl.py
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@ -4,51 +4,68 @@ import configparser
import json
import os
from typing import List
# ToDo make it possible to read manifests from game installs for migration.
# Also make paths configurable for importing games from WINE roots in the future
from legendary.models.egl import EGLManifest
# this is taken directly from rktlnch, needs to be updated
class EPCLFS:
def __init__(self):
self.appdata_path = os.path.expandvars(
r'%LOCALAPPDATA%\EpicGamesLauncher\Saved\Config\Windows'
)
self.programdata_path = os.path.expandvars(
r'%PROGRAMDATA%\Epic\EpicGamesLauncher\Data\Manifests'
)
if os.name == 'nt':
self.appdata_path = os.path.expandvars(
r'%LOCALAPPDATA%\EpicGamesLauncher\Saved\Config\Windows'
)
self.programdata_path = os.path.expandvars(
r'%PROGRAMDATA%\Epic\EpicGamesLauncher\Data\Manifests'
)
else:
self.appdata_path = self.programdata_path = None
self.config = configparser.ConfigParser(strict=False)
self.config.optionxform = lambda option: option
self.manifests = dict()
self.codename_map = dict()
self.guid_map = dict()
def read_config(self):
if os.name != 'nt':
raise NotImplementedError('Reading EGS config is not implemented on Linux')
self.config.read(os.path.join(self.appdata_path, 'GameUserSettings.ini'))
def save_config(self):
if os.name != 'nt':
raise NotImplementedError('Writing EGS config is not implemented on Linux')
with open(os.path.join(self.appdata_path, 'GameUserSettings.ini'), 'w') as f:
self.config.write(f, space_around_delimiters=False)
def read_manifests(self):
if not self.programdata_path:
raise ValueError('EGS ProgramData path is not set')
for f in os.listdir(self.programdata_path):
if f.endswith('.item'):
data = json.load(open(os.path.join(self.programdata_path, f)))
self.manifests[data['CatalogItemId']] = data
self.codename_map[data['AppName']] = data['CatalogItemId']
self.guid_map[data['InstallationGuid'].lower()] = data['CatalogItemId']
self.manifests[data['AppName']] = data
def get_manifest(self, *, game_name=None, install_guid=None, catalog_item_id=None):
if not game_name and not install_guid and not catalog_item_id:
raise ValueError('What are you doing?')
def get_manifests(self) -> List[EGLManifest]:
if not self.manifests:
self.read_manifests()
if game_name and game_name in self.codename_map:
return self.manifests[self.codename_map[game_name]]
elif install_guid and install_guid in self.guid_map:
return self.manifests[self.guid_map[install_guid]]
elif catalog_item_id and catalog_item_id in self.manifests:
return self.manifests[catalog_item_id]
return [EGLManifest.from_json(m) for m in self.manifests.values()]
def get_manifest(self, app_name) -> EGLManifest:
if not self.manifests:
self.read_manifests()
if app_name in self.manifests:
return EGLManifest.from_json(self.manifests[app_name])
else:
raise ValueError('Cannot find manifest')
def set_manifest(self, manifest: EGLManifest):
if not self.programdata_path:
raise ValueError('EGS ProgramData path is not set')
manifest_data = manifest.to_json()
self.manifests[manifest.app_name] = manifest_data
with open(os.path.join(self.programdata_path, f'{manifest.installation_guid}.item', 'wb')) as f:
json.dump(manifest_data, f, indent=4, sort_keys=True)