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Rare/rare/components/tabs/downloads/download_thread.py
2021-04-07 22:42:30 +02:00

118 lines
4.5 KiB
Python

import os
import queue
import subprocess
import time
from logging import getLogger
from multiprocessing import Queue as MPQueue
from PyQt5.QtCore import QThread, pyqtSignal
from PyQt5.QtWidgets import QMessageBox
from rare.utils.models import KillDownloadException
from custom_legendary.core import LegendaryCore
from custom_legendary.downloader.manager import DLManager
from custom_legendary.models.downloading import UIUpdate
logger = getLogger("Download")
class DownloadThread(QThread):
status = pyqtSignal(str)
statistics = pyqtSignal(UIUpdate)
kill = False
def __init__(self, dlm: DLManager, core: LegendaryCore, status_queue: MPQueue, igame, repair=False,
repair_file=None):
super(DownloadThread, self).__init__()
self.dlm = dlm
self.core = core
self.status_queue = status_queue
self.igame = igame
self.repair = repair
self.repair_file = repair_file
def run(self):
start_time = time.time()
try:
self.dlm.start()
time.sleep(1)
while self.dlm.is_alive():
if self.kill:
# raise KillDownloadException()
# TODO kill download queue, workers
pass
try:
self.statistics.emit(self.status_queue.get(timeout=1))
except queue.Empty:
pass
self.dlm.join()
except KillDownloadException:
self.status.emit("stop")
logger.info("Downlaod can be continued later")
self.dlm.kill()
return
except Exception as e:
logger.error(f"Installation failed after {time.time() - start_time:.02f} seconds: {e}")
self.status.emit("error")
return
else:
self.status.emit("dl_finished")
end_t = time.time()
game = self.core.get_game(self.igame.app_name)
postinstall = self.core.install_game(self.igame)
if postinstall:
self._handle_postinstall(postinstall, self.igame)
dlcs = self.core.get_dlc_for_game(self.igame.app_name)
if dlcs:
print('The following DLCs are available for this game:')
for dlc in dlcs:
print(f' - {dlc.app_title} (App name: {dlc.app_name}, version: {dlc.app_version})')
print('Manually installing DLCs works the same; just use the DLC app name instead.')
# install_dlcs = QMessageBox.question(self, "", "Do you want to install the prequisites", QMessageBox.Yes|QMessageBox.No) == QMessageBox.Yes
# TODO
if game.supports_cloud_saves and not game.is_dlc:
logger.info('This game supports cloud saves, syncing is handled by the "sync-saves" command.')
logger.info(f'To download saves for this game run "legendary sync-saves {game.app_name}"')
old_igame = self.core.get_installed_game(game.app_name)
if old_igame and self.repair and os.path.exists(self.repair_file):
if old_igame.needs_verification:
old_igame.needs_verification = False
self.core.install_game(old_igame)
logger.debug('Removing repair file.')
os.remove(self.repair_file)
if old_igame and old_igame.install_tags != self.igame.install_tags:
old_igame.install_tags = self.igame.install_tags
self.logger.info('Deleting now untagged files.')
self.core.uninstall_tag(old_igame)
self.core.install_game(old_igame)
self.status.emit("finish")
def _handle_postinstall(self, postinstall, igame):
print('This game lists the following prequisites to be installed:')
print(f'- {postinstall["name"]}: {" ".join((postinstall["path"], postinstall["args"]))}')
if os.name == 'nt':
if QMessageBox.question(self, "", "Do you want to install the prequisites",
QMessageBox.Yes | QMessageBox.No) == QMessageBox.Yes:
self.core.prereq_installed(igame.app_name)
req_path, req_exec = os.path.split(postinstall['path'])
work_dir = os.path.join(igame.install_path, req_path)
fullpath = os.path.join(work_dir, req_exec)
subprocess.call([fullpath, postinstall['args']], cwd=work_dir)
else:
self.core.prereq_installed(self.igame.app_name)
else:
logger.info('Automatic installation not available on Linux.')