LogarithmPlotter/LogarithmPlotter/update.py
Ad5001 74ea50d19f
All checks were successful
continuous-integration/drone/push Build is passing
Changing description, starting translator.
2022-01-20 18:19:36 +01:00

83 lines
3.6 KiB
Python

"""
* LogarithmPlotter - 2D plotter software to make BODE plots, sequences and repartition functions.
* Copyright (C) 2022 Ad5001
*
* 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 <https://www.gnu.org/licenses/>.
"""
from PySide2.QtCore import Qt, QRunnable, QThreadPool, QThread, QObject, Signal, QCoreApplication
from urllib.request import urlopen
from urllib.error import HTTPError, URLError
from sys import argv
class UpdateInformation(QObject):
got_update_info = Signal(bool, str, bool)
class UpdateCheckerRunnable(QRunnable):
def __init__(self, current_version, callback):
QRunnable.__init__(self)
self.current_version = current_version
self.callback = callback
def run(self):
msg_text = "Unknown update error."
show_alert = True
update_available = False
try:
# Fetching version
r = urlopen("https://api.ad5001.eu/update/v1/LogarithmPlotter")
lines = r.readlines()
r.close()
# Parsing version
version = "".join(map(chr, lines[0])).strip() # Converts byte to string.
version_tuple = version.split(".")
is_version_newer = False
if "dev" in self.current_version:
# We're on a dev version
current_version_tuple = self.current_version.split(".")[:-1] # Removing the dev0+git bit.
is_version_newer = version_tuple >= current_version_tuple # If equals, that means we got out of testing phase.
else:
current_version_tuple = self.current_version.split(".")
is_version_newer = version_tuple > current_version_tuple
if is_version_newer:
msg_text = QCoreApplication.translate("update","An update for LogarithPlotter (v{}) is available.").format(version)
update_available = True
else:
show_alert = False
msg_text = QCoreApplication.translate("update","No update available.")
except HTTPError as e:
msg_text = QCoreApplication.translate("update","Could not fetch update information: Server error {}.").format(str(e.code))
except URLError as e:
msg_text = QCoreApplication.translate("update","Could not fetch update information: {}.").format(str(e.reason))
self.callback.got_update_info.emit(show_alert, msg_text,update_available)
def check_for_updates(current_version, window):
"""
Checks for updates in the background, and sends an alert with information.
"""
if "--no-check-for-updates" in argv:
return #
def cb(show_alert, msg_text, update_available):
pass
if show_alert:
window.showAlert(msg_text)
if update_available:
window.showUpdateMenu()
update_info = UpdateInformation()
update_info.got_update_info.connect(cb)
runnable = UpdateCheckerRunnable(current_version, update_info)
QThreadPool.globalInstance().start(runnable)