Init DBus interface only one time

1 files changed, 28 insertions, 28 deletions

diff --git a/lib/isodumper.py b/lib/isodumper.py
index fc5ef4d..d91bc3d 100755
--- a/lib/isodumper.py
+++ b/lib/isodumper.py
@@ -386,16 +386,14 @@ class IsoDumper(basedialog.BaseDialog):
             message = _('Backup to: {}').format(dest)
             self.logger(message)
             logging.info(message)
-            bus = SystemBus()
-            iface = bus.get("org.mageia.Magiback", "Isodumper")
             # Writing step
-            iface.do_write(source, dest, self.deviceSize)
-            while not iface.done:
-                progress = iface.progress
+            self.iface.do_write(source, dest, self.deviceSize)
+            while not self.iface.done:
+                progress = self.iface.progress
                 self.progress.setValue(progress)
                 self.dialog.pollEvent()
                 time.sleep(.2)
-            success, message = iface.end()
+            success, message = self.iface.end()
             if success:
                 #: don't translate source or target
                 message = _('{source} successfully written to {target}').format(source=source.split('/')[-1], target=dest)
@@ -445,21 +443,19 @@ class IsoDumper(basedialog.BaseDialog):
                 self.operation = True
                 self.logger(message)
                 logging.info(message)
-                bus = SystemBus()
-                iface = bus.get("org.mageia.Magiback", "Isodumper")
                 success, message = self.u.do_unmount(target)
                 self.udev_wait(_("unmounting"))
                 if success:
                     # Writing step
-                    iface.do_write(source, target, b)
-                    iface.get_sum(source)
-                    progress = iface.progress
-                    while not iface.done:
-                        progress = iface.progress
+                    self.iface.do_write(source, target, b)
+                    self.iface.get_sum(source)
+                    progress = self.iface.progress
+                    while not self.iface.done:
+                        progress = self.iface.progress
                         self.progress.setValue(progress)
                         self.dialog.pollEvent()
                         time.sleep(.5)
-                    success, message = iface.end()
+                    success, message = self.iface.end()
                     if success:
                         #: don't translate source or target
                         message = _('Image {source} successfully written to {target}').format(source=source.split('/')[-1],
@@ -471,14 +467,14 @@ class IsoDumper(basedialog.BaseDialog):
                         self.progress.setValue(0)
                         self.dialog.pollEvent()
                         # Checking
-                        iface.check_write(target, source)
+                        self.iface.check_write(target, source)
                         progress = 0
                         while progress < 100:
                             self.progress.setValue(progress)
                             self.dialog.pollEvent()
                             time.sleep(.5)
-                            progress = iface.progress
-                        nowarning, message = iface.end()
+                            progress = self.iface.progress
+                        nowarning, message = self.iface.end()
                         self.progress.setEnabled()
                         self.logger(message)
                         logging.info(message)
@@ -492,33 +488,33 @@ class IsoDumper(basedialog.BaseDialog):
                                     self.logger(message)
                                     logging.warning(message)
                                 else:
-                                    iface.do_persistence(target, self.partition_label.value(), self.cryptkey.value())
-                                    while not iface.done:
-                                        progress = iface.progress
+                                    self.iface.do_persistence(target, self.partition_label.value(), self.cryptkey.value())
+                                    while not self.iface.done:
+                                        progress = self.iface.progress
                                         self.progress.setValue(progress)
-                                        self.progress.setLabel(iface.message)
+                                        self.progress.setLabel(self.iface.message)
                                         self.dialog.pollEvent()
                                         time.sleep(.5)
-                                    if iface.state:
+                                    if self.iface.state:
                                         message = _("Added encrypted persistent partition")
                                         self.logger(message)
                                         logging.warning(message)
                                     else:
                                         self.logger(_("Adding encrypted persistent partition failed"))
-                                        self.logger(iface.message)
+                                        self.logger(self.iface.message)
                                         nowarning = False
                             else:
-                                iface.do_persistence(target, self.partition_label.value(), "")
-                                while not iface.done:
-                                    progress = iface.progress
+                                self.iface.do_persistence(target, self.partition_label.value(), "")
+                                while not self.iface.done:
+                                    progress = self.iface.progress
                                     self.progress.setValue(progress)
                                     self.dialog.pollEvent()
                                     time.sleep(.5)
-                                if iface.state:
+                                if self.iface.state:
                                     message = _("Added persistent partition")
                                 else:
                                     message = _("Adding persistent partition failed")
-                                    self.logger(iface.message)
+                                    self.logger(self.iface.message)
                                     nowarning = False
                                 self.logger(message)
                                 logging.warning(message)
@@ -688,6 +684,10 @@ exFAT, NTFS or ext. You can specify a volume name and the format in a new dialog
 
         # Operation running
         self.operation = False
+        
+        # Prepare interface on DBus
+        self.bus = SystemBus()
+        self.iface = self.bus.get("org.mageia.Magiback", "Isodumper")
 
         self.ChooseImage = _("Choose an image")
         self.warning = _("Warning\nThis will destroy all data on the target device,\n\