update with automatic restart
This commit is contained in:
Dominik Demuth
parent
cbcc9308ad
commit
4a324b4b11
@ -17,12 +17,13 @@ from nmreval.lib.logger import handle_exception
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sys.excepthook = handle_exception
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from gui_qt import App
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from gui_qt.Qt import QtCore
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from gui_qt.Qt import QtCore, QtWidgets, QtGui
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app = App(['Team Rocket FTW!'])
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from gui_qt.main.mainwindow import NMRMainWindow
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from gui_qt.lib.backup import BackupManager
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from gui_qt.lib.update import UpdateDialog
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def do_autosave():
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@ -119,6 +119,7 @@ class BackupManager(QtCore.QObject):
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Path(DB_FILE).unlink()
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def close(self):
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print('close db')
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self.remove_file()
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self.delete_db_if_empty()
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288
src/gui_qt/lib/update.py
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288
src/gui_qt/lib/update.py
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@ -0,0 +1,288 @@
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from __future__ import annotations
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import hashlib
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import os
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import subprocess
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import urllib.request
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from datetime import datetime
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from os import getenv, stat
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from os.path import exists
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from pathlib import Path
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from urllib.error import HTTPError
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from PyQt5 import QtWidgets, QtCore
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from nmreval.lib.logger import logger
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class UpdateDialog(QtWidgets.QDialog):
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startDownload = QtCore.pyqtSignal(tuple)
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restartSignal = QtCore.pyqtSignal()
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def __init__(self, filename: str = None, parent=None):
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super().__init__(parent=parent)
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self._init_ui()
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if filename is None:
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filename = getenv('APPIMAGE')
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self._appfile = filename
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self.updater = Updater()
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self.thread = QtCore.QThread(self)
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self.thread.start()
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self.helper = Downloader()
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self.startDownload.connect(self.helper.run_download)
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self.helper.progressChanged.connect(self.status.setText)
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self.helper.finished.connect(self.finish_update)
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self.helper.started.connect(self.status.show)
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self.helper.moveToThread(self.thread)
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self.look_for_updates(self._appfile)
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def _init_ui(self):
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self.setWindowTitle('Updates')
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layout = QtWidgets.QVBoxLayout()
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self.label = QtWidgets.QLabel()
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layout.addWidget(self.label)
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layout.addSpacing(10)
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self.status = QtWidgets.QLabel()
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self.status.hide()
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layout.addWidget(self.status)
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layout.addSpacing(10)
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self.dialog_button = QtWidgets.QDialogButtonBox()
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self.dialog_button.accepted.connect(self.update_appimage)
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self.dialog_button.rejected.connect(self.close)
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layout.addWidget(self.dialog_button)
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self.setLayout(layout)
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def look_for_updates(self, filename=None):
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logger.info(f'Looking for updates, compare to file {filename}')
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# Download zsync file of latest Appimage, look for SHA-1 hash and compare with hash of AppImage
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is_updateble, m_time_file, m_time_zsync = self.updater.get_update_information(filename)
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label_text = ''
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if is_updateble is None:
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label_text += '<p>Could not determine if this version is newer, please update manually (if necessary).</p>'
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dialog_bttns = QtWidgets.QDialogButtonBox.Close
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elif is_updateble:
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label_text += '<p>Newer version available. Press Ok to download new version, Cancel to ignore.</p>'
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dialog_bttns = QtWidgets.QDialogButtonBox.Ok | QtWidgets.QDialogButtonBox.Cancel
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else:
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label_text += '<p>Version may be already up-to-date.</p>'
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dialog_bttns = QtWidgets.QDialogButtonBox.Close
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if m_time_zsync is None:
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label_text += '<p>Creation date of remote version is unknown.</p>'
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else:
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label_text += f'<p>Date of most recent AppImage: {m_time_zsync.strftime("%d %B %Y %H:%M")}</p>'
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if m_time_file is None:
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label_text += 'No AppImage file found, press Ok to download latest version.'
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dialog_bttns = QtWidgets.QDialogButtonBox.Ok | QtWidgets.QDialogButtonBox.Close
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else:
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label_text += f'<p>Date of used AppImage: {m_time_file.strftime("%d %B %Y %H:%M")}</p>'
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self.label.setText(label_text)
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self.dialog_button.setStandardButtons(dialog_bttns)
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@QtCore.pyqtSlot()
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def update_appimage(self):
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if self._appfile is None:
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args = (self.updater.zsync_url,)
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else:
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# this breaks the download for some reason
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args = (self.updater.zsync_url, self._appfile)
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self.dialog_button.setEnabled(False)
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self.startDownload.emit(args)
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self.status.show()
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@QtCore.pyqtSlot(int, str)
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def finish_update(self, retcode: int, file_loc: str):
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restart = QRestartWindow(state=retcode, file_loc=file_loc, parent=self)
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res = restart.exec()
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self.close()
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if res == QtWidgets.QMessageBox.Ok:
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self.restartSignal.emit()
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def closeEvent(self, evt):
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self.thread.quit()
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self.thread.wait()
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super().closeEvent(evt)
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class QRestartWindow(QtWidgets.QMessageBox):
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def __init__(self, state: int, file_loc: str, parent=None):
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super().__init__(parent=parent)
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self._appfile = file_loc
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if state:
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self.setText('Download failed')
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self.setDetailedText(f'Status code of failure is {state}')
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self.setStandardButtons(QtWidgets.QMessageBox.Close)
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self.setIcon(QtWidgets.QMessageBox.Warning)
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else:
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self.setText('Download completed!')
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self.setInformativeText("Press Restart to use new version now")
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self.setDetailedText(f'Location of AppImage: {file_loc}')
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self.setIcon(QtWidgets.QMessageBox.Information)
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self.setStandardButtons(QtWidgets.QMessageBox.Ok | QtWidgets.QMessageBox.Close)
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restart_button = self.button(QtWidgets.QMessageBox.Ok)
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restart_button.setText('Restart')
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self.buttonClicked.connect(self.maybe_close)
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def maybe_close(self):
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if self.clickedButton() == self.button(QtWidgets.QMessageBox.Ok):
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app = QtWidgets.QApplication.instance()
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app.quit()
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subprocess.Popen(self._appfile)
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class Downloader(QtCore.QObject):
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started = QtCore.pyqtSignal()
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finished = QtCore.pyqtSignal(int, str)
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progressChanged = QtCore.pyqtSignal(str)
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@QtCore.pyqtSlot(tuple)
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def run_download(self, args: tuple[str]):
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status = 0
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appimage_location = args[0][:-6]
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logger.info(f'Download {appimage_location}')
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if len(args) == 2:
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new_file = Path(args[1])
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else:
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new_file = Path.home() / 'Downloads' / 'NMReval-latest-x86_64.AppImage'
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if new_file.exists():
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os.rename(new_file, new_file.with_suffix('.AppImage.old'))
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try:
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with urllib.request.urlopen(appimage_location) as response:
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with new_file.open('wb') as f:
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f.write(response.read())
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new_file.chmod(0o755)
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except HTTPError as e:
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logger.exception(f'Download failed with {e}')
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status = 3
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except Exception as e:
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logger.exception(f'Download failed with {e.args}')
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status = 1
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if status != 0:
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logger.warning('Download failed, restore previous AppImage')
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try:
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os.rename(new_file.with_suffix('.AppImage.old'), new_file)
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except FileNotFoundError:
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pass
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# zsync does not support https
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self.finished.emit(status, str(new_file))
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class Updater:
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host = 'gitea.pkm.physik.tu-darmstadt.de/api/packages/IPKM/generic/NMReval/latest/'
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version = 'NMReval-latest-x86_64'
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@property
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def zsync_url(self):
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return f'https://{Updater.host}/{Updater.version}.AppImage.zsync'
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@staticmethod
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def get_zsync():
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url_zsync = f'https://{Updater.host}/{Updater.version}.AppImage.zsync'
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m_time_zsync = None
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checksum_zsync = None
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zsync_file = None
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filename = None
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try:
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with urllib.request.urlopen(url_zsync) as response:
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zsync_file = response.read()
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except HTTPError as e:
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logger.error(f'Request for zsync returned code {e}')
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except Exception as e:
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logger.exception(f'Download of zsync failed with exception {e.args}')
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if zsync_file is not None:
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for line in zsync_file.split(b'\n'):
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try:
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kw, val = line.split(b': ')
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time_string = str(val, encoding='utf-8')
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time_format = '%a, %d %b %Y %H:%M:%S %z'
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if kw == b'MTime':
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try:
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m_time_zsync = datetime.strptime(time_string, time_format).astimezone(None)
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except ValueError:
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logger.warning(f'zsync time "{time_string}" does not match "{time_format}"')
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elif kw == b'SHA-1':
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checksum_zsync = str(val, encoding='utf-8')
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elif kw == b'Filename':
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filename = str(val, encoding='utf-8')
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except ValueError:
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# stop when empty line is reached
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break
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return m_time_zsync, checksum_zsync, filename
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@staticmethod
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def get_appimage_info(filename: str):
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if filename is None:
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return None, None
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if not exists(filename):
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return None, None
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stat_mtime = stat(filename).st_mtime
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m_time_file = datetime.fromtimestamp(stat_mtime).replace(microsecond=0)
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with open(filename, 'rb') as f:
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checksum_file = hashlib.sha1(f.read()).hexdigest()
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if checksum_file is None:
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logger.warning('No checksum for AppImage calculated')
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return m_time_file, checksum_file
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@staticmethod
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def get_update_information(filename: str) -> tuple[(bool | None), datetime, datetime]:
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m_time_zsync, checksum_zsync, appname = Updater.get_zsync()
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m_time_file, checksum_file = Updater.get_appimage_info(filename)
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logger.debug(f'zsync information {m_time_zsync}, {checksum_zsync}, {appname}')
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logger.debug(f'file information {m_time_file}, {checksum_file}')
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if not ((checksum_file is not None) and (checksum_zsync is not None)):
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return None, m_time_file, m_time_zsync
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else:
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return checksum_file != checksum_zsync, m_time_file, m_time_zsync
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if __name__ == '__main__':
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import sys
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from gui_qt import App
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app = App(['Team Rocket FTW!'])
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updater = UpdateDialog()
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updater.show()
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sys.exit(app.exec())
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@ -1,20 +1,9 @@
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from __future__ import annotations
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import os
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import urllib.request
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from os import getenv, stat
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from os.path import exists
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import hashlib
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import subprocess
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from datetime import datetime
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from contextlib import contextmanager
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from pathlib import Path
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from urllib.error import HTTPError
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from numpy import linspace
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from scipy.interpolate import interp1d
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from nmreval.lib.logger import logger
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from ..Qt import QtGui, QtWidgets, QtCore
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@ -63,225 +52,3 @@ class RdBuCMap:
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return col
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class UpdateDialog(QtWidgets.QDialog):
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startDownload = QtCore.pyqtSignal(tuple)
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def __init__(self, filename: str = None, parent=None):
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super().__init__(parent=parent)
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self._init_ui()
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if filename is None:
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filename = getenv('APPIMAGE')
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self._appfile = filename
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self.updater = Updater()
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self.thread = QtCore.QThread(self)
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self.thread.start()
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self.helper = Downloader()
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self.startDownload.connect(self.helper.run_download)
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self.helper.progressChanged.connect(self.status.setText)
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self.helper.finished.connect(self.finish_update)
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self.helper.started.connect(self.status.show)
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self.helper.moveToThread(self.thread)
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self.look_for_updates(self._appfile)
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def _init_ui(self):
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self.setWindowTitle('Updates')
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layout = QtWidgets.QVBoxLayout()
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self.label = QtWidgets.QLabel()
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layout.addWidget(self.label)
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layout.addSpacing(10)
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self.status = QtWidgets.QLabel()
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self.status.hide()
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layout.addWidget(self.status)
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layout.addSpacing(10)
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self.dialog_button = QtWidgets.QDialogButtonBox()
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self.dialog_button.accepted.connect(self.update_appimage)
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self.dialog_button.rejected.connect(self.close)
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layout.addWidget(self.dialog_button)
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self.setLayout(layout)
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def look_for_updates(self, filename=None):
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logger.info(f'Looking for updates, compare to file {filename}')
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# Download zsync file of latest Appimage, look for SHA-1 hash and compare with hash of AppImage
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is_updateble, m_time_file, m_time_zsync = self.updater.get_update_information(filename)
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label_text = ''
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if is_updateble is None:
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label_text += '<p>Could not determine if this version is newer, please update manually (if necessary).</p>'
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dialog_bttns = QtWidgets.QDialogButtonBox.Close
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elif is_updateble:
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label_text += '<p>Newer version available. Press Ok to download new version, Cancel to ignore.</p>'
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dialog_bttns = QtWidgets.QDialogButtonBox.Ok | QtWidgets.QDialogButtonBox.Cancel
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else:
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label_text += '<p>Version may be already up-to-date.</p>'
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dialog_bttns = QtWidgets.QDialogButtonBox.Close
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if m_time_zsync is None:
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label_text += '<p>Creation date of remote version is unknown.</p>'
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else:
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label_text += f'<p>Date of most recent AppImage: {m_time_zsync.strftime("%d %B %Y %H:%M")}</p>'
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if m_time_file is None:
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label_text += 'No AppImage file found, press Ok to download latest version.'
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dialog_bttns = QtWidgets.QDialogButtonBox.Ok | QtWidgets.QDialogButtonBox.Close
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else:
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label_text += f'<p>Date of used AppImage: {m_time_file.strftime("%d %B %Y %H:%M")}</p>'
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self.label.setText(label_text)
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self.dialog_button.setStandardButtons(dialog_bttns)
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@QtCore.pyqtSlot()
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def update_appimage(self):
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if self._appfile is None:
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args = (self.updater.zsync_url,)
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else:
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# this breaks the download for some reason
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args = (self.updater.zsync_url, self._appfile)
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self.dialog_button.setEnabled(False)
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self.startDownload.emit(args)
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self.status.show()
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@QtCore.pyqtSlot(int, str)
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def finish_update(self, retcode: int, file_loc: str):
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if retcode == 0:
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self.status.setText(f'Download complete.New AppImage lies in <p><em>{file_loc}</em>.</p>')
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else:
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self.status.setText(f'Download failed :( with return code {retcode}.')
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self.dialog_button.setStandardButtons(QtWidgets.QDialogButtonBox.Close)
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self.dialog_button.setEnabled(True)
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def closeEvent(self, evt):
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self.thread.quit()
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self.thread.wait()
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super().closeEvent(evt)
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class Downloader(QtCore.QObject):
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started = QtCore.pyqtSignal()
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finished = QtCore.pyqtSignal(int, str)
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progressChanged = QtCore.pyqtSignal(str)
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@QtCore.pyqtSlot(tuple)
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def run_download(self, args: tuple[str]):
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status = 0
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appimage_location = args[0][:-6]
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logger.info(f'Download {appimage_location}')
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if len(args) == 2:
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new_file = Path(args[1])
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else:
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new_file = Path.home() / 'Downloads' / 'NMReval-latest-x86_64.AppImage'
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if new_file.exists():
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os.rename(new_file, new_file.with_suffix('.AppImage.old'))
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try:
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with urllib.request.urlopen(appimage_location) as response:
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with new_file.open('wb') as f:
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f.write(response.read())
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new_file.chmod(0o755)
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except HTTPError as e:
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logger.exception(f'Download failed with {e}')
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status = 3
|
||||
except Exception as e:
|
||||
logger.exception(f'Download failed with {e.args}')
|
||||
status = 1
|
||||
|
||||
if status != 0:
|
||||
logger.warning('Download failed, restore previous AppImage')
|
||||
try:
|
||||
os.rename(new_file.with_suffix('.AppImage.old'), new_file)
|
||||
except FileNotFoundError:
|
||||
pass
|
||||
# zsync does not support https
|
||||
|
||||
self.finished.emit(status, str(new_file))
|
||||
|
||||
|
||||
class Updater:
|
||||
host = 'gitea.pkm.physik.tu-darmstadt.de/api/packages/IPKM/generic/NMReval/latest/'
|
||||
version = 'NMReval-latest-x86_64'
|
||||
|
||||
@property
|
||||
def zsync_url(self):
|
||||
return f'https://{Updater.host}/{Updater.version}.AppImage.zsync'
|
||||
|
||||
@staticmethod
|
||||
def get_zsync():
|
||||
url_zsync = f'https://{Updater.host}/{Updater.version}.AppImage.zsync'
|
||||
m_time_zsync = None
|
||||
checksum_zsync = None
|
||||
zsync_file = None
|
||||
filename = None
|
||||
try:
|
||||
with urllib.request.urlopen(url_zsync) as response:
|
||||
zsync_file = response.read()
|
||||
except HTTPError as e:
|
||||
logger.error(f'Request for zsync returned code {e}')
|
||||
except Exception as e:
|
||||
logger.exception(f'Download of zsync failed with exception {e.args}')
|
||||
|
||||
if zsync_file is not None:
|
||||
for line in zsync_file.split(b'\n'):
|
||||
try:
|
||||
kw, val = line.split(b': ')
|
||||
time_string = str(val, encoding='utf-8')
|
||||
time_format = '%a, %d %b %Y %H:%M:%S %z'
|
||||
if kw == b'MTime':
|
||||
try:
|
||||
m_time_zsync = datetime.strptime(time_string, time_format).astimezone(None)
|
||||
except ValueError:
|
||||
logger.warning(f'zsync time "{time_string}" does not match "{time_format}"')
|
||||
elif kw == b'SHA-1':
|
||||
checksum_zsync = str(val, encoding='utf-8')
|
||||
elif kw == b'Filename':
|
||||
filename = str(val, encoding='utf-8')
|
||||
|
||||
except ValueError:
|
||||
# stop when empty line is reached
|
||||
break
|
||||
|
||||
return m_time_zsync, checksum_zsync, filename
|
||||
|
||||
@staticmethod
|
||||
def get_appimage_info(filename: str):
|
||||
if filename is None:
|
||||
return None, None
|
||||
|
||||
if not exists(filename):
|
||||
return None, None
|
||||
|
||||
stat_mtime = stat(filename).st_mtime
|
||||
m_time_file = datetime.fromtimestamp(stat_mtime).replace(microsecond=0)
|
||||
with open(filename, 'rb') as f:
|
||||
checksum_file = hashlib.sha1(f.read()).hexdigest()
|
||||
if checksum_file is None:
|
||||
logger.warning('No checksum for AppImage calculated')
|
||||
|
||||
return m_time_file, checksum_file
|
||||
|
||||
@staticmethod
|
||||
def get_update_information(filename: str) -> tuple[(bool | None), datetime, datetime]:
|
||||
m_time_zsync, checksum_zsync, appname = Updater.get_zsync()
|
||||
m_time_file, checksum_file = Updater.get_appimage_info(filename)
|
||||
|
||||
logger.debug(f'zsync information {m_time_zsync}, {checksum_zsync}, {appname}')
|
||||
logger.debug(f'file information {m_time_file}, {checksum_file}')
|
||||
|
||||
if not ((checksum_file is not None) and (checksum_zsync is not None)):
|
||||
return None, m_time_file, m_time_zsync
|
||||
else:
|
||||
return checksum_file != checksum_zsync, m_time_file, m_time_zsync
|
||||
|
||||
@ -33,7 +33,7 @@ from ..math.smooth import QSmooth
|
||||
from ..nmr.coupling_calc import QCoupCalcDialog
|
||||
from ..nmr.t1_from_tau import QRelaxCalc
|
||||
from .._py.basewindow import Ui_BaseWindow
|
||||
from ..lib.utils import UpdateDialog
|
||||
from ..lib.update import UpdateDialog
|
||||
|
||||
|
||||
class NMRMainWindow(QtWidgets.QMainWindow, Ui_BaseWindow):
|
||||
|
||||
Loading…
Reference in New Issue
Block a user