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Rare/rare/app.py
2023-05-03 17:27:35 +03:00

133 lines
4.3 KiB
Python

import logging
import os
import shutil
import sys
import traceback
from argparse import Namespace
from datetime import datetime, timezone
from typing import Optional
import requests.exceptions
from PyQt5.QtCore import QThreadPool, QTimer, pyqtSlot, Qt
from PyQt5.QtWidgets import QApplication, QMessageBox
from requests import HTTPError
from rare.components.dialogs.launch_dialog import LaunchDialog
from rare.components.main_window import MainWindow
from rare.shared import RareCore
from rare.utils import config_helper, paths
from rare.widgets.rare_app import RareApp, RareAppException
logger = logging.getLogger("Rare")
class RareException(RareAppException):
def __init__(self, parent=None):
super(RareException, self).__init__(parent=parent)
def _handler(self, exc_type, exc_value, exc_tb) -> bool:
if exc_type == HTTPError:
try:
if RareCore.instance() is not None:
if RareCore.instance().core().login():
return True
raise ValueError
except Exception as e:
logger.fatal(str(e))
QMessageBox.warning(None, "Error", self.tr("Failed to login"))
QApplication.exit(1)
return False
class Rare(RareApp):
def __init__(self, args: Namespace):
log_file = "Rare_{0}.log"
super(Rare, self).__init__(args, log_file)
self._hook.deleteLater()
self._hook = RareException(self)
self.rcore = RareCore(args=args)
self.args = RareCore.instance().args()
self.signals = RareCore.instance().signals()
self.core = RareCore.instance().core()
config_helper.init_config_handler(self.core)
lang = self.settings.value("language", self.core.language_code, type=str)
self.load_translator(lang)
# set Application name for settings
self.main_window: Optional[MainWindow] = None
self.launch_dialog: Optional[LaunchDialog] = None
self.timer: Optional[QTimer] = None
# launch app
self.launch_dialog = LaunchDialog(parent=None)
self.launch_dialog.quit_app.connect(self.launch_dialog.close)
self.launch_dialog.quit_app.connect(lambda x: sys.exit(x))
self.launch_dialog.start_app.connect(self.start_app)
self.launch_dialog.start_app.connect(self.launch_dialog.close)
self.launch_dialog.login()
def poke_timer(self):
dt_exp = datetime.fromisoformat(self.core.lgd.userdata['expires_at'][:-1]).replace(tzinfo=timezone.utc)
dt_now = datetime.utcnow().replace(tzinfo=timezone.utc)
td = abs(dt_exp - dt_now)
self.timer.start(int(td.total_seconds() - 60) * 1000)
logger.info(f"Renewed session expires at {self.core.lgd.userdata['expires_at']}")
def re_login(self):
logger.info("Session expires shortly. Renew session")
try:
self.core.login()
except requests.exceptions.ConnectionError:
self.timer.start(3000) # try again if no connection
return
self.poke_timer()
def start_app(self):
self.timer = QTimer()
self.timer.timeout.connect(self.re_login)
self.poke_timer()
self.main_window = MainWindow()
self.main_window.exit_app.connect(self.on_exit_app)
if not self.args.silent:
self.main_window.show()
if self.args.test_start:
self.main_window.close()
self.main_window = None
self.on_exit_app(0)
@pyqtSlot()
@pyqtSlot(int)
def on_exit_app(self, exit_code=0):
threadpool = QThreadPool.globalInstance()
threadpool.waitForDone()
if self.timer is not None:
self.timer.stop()
self.timer.deleteLater()
self.timer = None
self.rcore.deleteLater()
del self.rcore
self.processEvents()
shutil.rmtree(paths.tmp_dir())
os.makedirs(paths.tmp_dir())
self.exit(exit_code)
def start(args):
while True:
QApplication.setAttribute(Qt.AA_EnableHighDpiScaling, True)
QApplication.setAttribute(Qt.AA_UseHighDpiPixmaps, True)
app = Rare(args)
exit_code = app.exec_()
# if not restart
# restart app
del app
if exit_code != -133742:
break