bin/evaluate.py

@@ -24,20 +24,27 @@ app = App(['Team Rocket FTW!'])
 from gui_qt.main.mainwindow import NMRMainWindow
 from gui_qt.lib.backup import BackupManager
 
+
+def do_autosave():
+    success = mplQt.autosave()
+    if success:
+        backuping.update_last_save()
+
+
 backuping = BackupManager()
-pid = os.getpid()
 
 files = backuping.search_unsaved()
 print(files)
+print(sys.executable, sys.argv)
 
+pid = os.getpid()
 bck_name = backuping.create_entry(pid)
 mplQt = NMRMainWindow(bck_file=bck_name)
 
-print(sys.executable, sys.argv)
-timer = QtCore.QTimer()
+do_autosave()
 
-timer.timeout.connect(mplQt._autosave)
-timer.timeout.connect(backuping.update_last_save)
+timer = QtCore.QTimer()
+timer.timeout.connect(do_autosave)
 timer.start(3 * 1000)
 
 app.aboutToQuit.connect(backuping.close)

src/gui_qt/lib/backup.py

@@ -39,20 +39,28 @@ class BackupManager(QtCore.QObject):
             pid = self._pid
 
         con = sqlite3.connect(DB_FILE)
-        cursor = con.execute('DELETE FROM sessions WHERE pid = ?;', (pid,))
+        cursor = con.cursor()
+
+        res = cursor.execute('DELETE FROM sessions WHERE pid = ?;', (pid,))
+        con.commit()
+
+        self.delete_db_if_empty()
+
+    def delete_db_if_empty(self):
+        con = sqlite3.connect(DB_FILE)
+        cursor = con.cursor()
         res = cursor.execute('SELECT COUNT(sessions.pid) FROM sessions GROUP BY sessions.pid;')
         con.commit()
+
         remaining_processes = res.fetchone()
         con.close()
 
         if remaining_processes is None:
-            self.delete_db()
-
-    def delete_db(self):
-        Path(DB_FILE).unlink()
+            Path(DB_FILE).unlink()
 
     def close(self):
         self.remove_entry()
+        self.delete_db_if_empty()
 
     def search_unsaved(self):
         con = sqlite3.connect(DB_FILE)
@@ -70,7 +78,9 @@ class BackupManager(QtCore.QObject):
             except ProcessLookupError:
                 missing_processes.append((pid, fname))
 
-        return missing_processes
+        if missing_processes:
+            msg = QtWidgets.QMessageBox()
+            msg.exec()
 
     def update_last_save(self):
         con = sqlite3.connect(DB_FILE)

src/gui_qt/main/mainwindow.py

@@ -2,6 +2,7 @@ from __future__ import annotations
 
 import datetime
 import os
+import pathlib
 import re
 from pathlib import Path
 
@@ -54,7 +55,6 @@ class NMRMainWindow(QtWidgets.QMainWindow, Ui_BaseWindow):
 
         self.management = UpperManagement(self)
 
-
         self.fitlimitvalues = [None, None]
         self.fitpreview = []
         self._fit_plot_id = None
@@ -76,23 +76,14 @@ class NMRMainWindow(QtWidgets.QMainWindow, Ui_BaseWindow):
         self._init_gui()
         self._init_signals()
 
-        if os.getenv('APPIMAGE') is not None:
-            if Updater.get_update_information(os.getenv('APPIMAGE'))[0]:
-                self.look_for_update()
-
-        # self.check_for_backup()
-
-        self.__timer = QtCore.QTimer()
-        self.__backup_path = config_paths() / f'{datetime.datetime.now().strftime("%Y-%m-%d_%H%M%S")}.nmr'
-        self.__timer.start(3*60*1000)  # every three minutes
-        self.__timer.timeout.connect(self._autosave)
-
         self.fit_timer = QtCore.QTimer()
         self.fit_timer.setInterval(500)
         self.fit_timer.timeout.connect(
             lambda: self.status.setText(f'Fit running... ({self.management.fitter.step} evaluations)')
         )
 
+        self.__backup_path = pathlib.Path(bck_file)
+
     def _init_gui(self):
         self.setupUi(self)
         make_action_icons(self)
@@ -110,8 +101,6 @@ class NMRMainWindow(QtWidgets.QMainWindow, Ui_BaseWindow):
         self.fitlim_button.setIcon(get_icon('fit_region'))
         self.toolBar_fit.addWidget(self.fitlim_button)
 
-        # self.area.dragEnterEvent = self.dragEnterEvent
-
         while self.tabWidget.count() > 2:
             self.tabWidget.removeTab(self.tabWidget.count()-1)
 
@@ -166,6 +155,7 @@ class NMRMainWindow(QtWidgets.QMainWindow, Ui_BaseWindow):
         self.menuData.insertAction(self.actionRedo, self.actionUndo)
 
         self.action_save_fit_parameter.triggered.connect(self.save_fit_parameter)
+        # noinspection PyUnresolvedReferences
         self.ac_group2.triggered.connect(self.change_fit_limits)
 
         self.t1action.triggered.connect(lambda: self._show_tab('t1_temp'))
@@ -1093,11 +1083,6 @@ class NMRMainWindow(QtWidgets.QMainWindow, Ui_BaseWindow):
     def close(self):
         write_state({'History': {'recent path': str(self.path)}})
 
-        # remove backup file when closing
-        self.__backup_path.unlink(missing_ok=True)
-
-        print('Close me', self.sender())
-
         super().close()
 
     def read_state(self):
@@ -1121,7 +1106,7 @@ class NMRMainWindow(QtWidgets.QMainWindow, Ui_BaseWindow):
 
         QLog(parent=self).show()
 
-    def _autosave(self):
+    def autosave(self) -> bool:
         # TODO better separate thread may it takes some time to save
         self.status.setText('Autosave...')
         success = NMRWriter(self.management.graphs, self.management.data).export(self.__backup_path.with_suffix('.nmr.0'))
@@ -1130,6 +1115,8 @@ class NMRMainWindow(QtWidgets.QMainWindow, Ui_BaseWindow):
 
         self.status.setText('')
 
+        return success
+
     @QtCore.pyqtSlot(name='on_actionCreate_starter_triggered')
     def create_starter(self):
         make_starter(os.getenv('APPIMAGE'))