Qube Manager in working order

Everything that should work works. Further improvements that would be nice:
- replace untidy multitude of QtGui Items with one generic type
- restore Qubes Network functionality
- add Boot From Device action (and easy way to install windows tool from there)

fixes QubesOS/qubes-issues#2966
QubesOS/qubes-issues#2132

qubes-qube-manager.desktop

@@ -0,0 +1,9 @@
+[Desktop Entry]
+Type=Application
+Exec=qubes-qube-manager
+Icon=qubes-manager
+Terminal=false
+Name=Qube Manager
+GenericName=Qube Manager
+StartupNotify=false
+Categories=System;

qubesmanager/log_dialog.py

@@ -1,5 +1,4 @@
-#!/usr/bin/python2
-# pylint: skip-file
+#!/usr/bin/python3
 #
 # The Qubes OS Project, http://www.qubes-os.org
 #
@@ -21,22 +20,17 @@
 #
 #
 
-import sys
-import os
-from PyQt4.QtCore import *
-from PyQt4.QtGui import *
+from PyQt4 import QtCore
+from PyQt4 import QtGui
 
-from qubes.qubes import QubesException
-
-import qubesmanager.resources_rc
-
-from .ui_logdlg import *
-from .clipboard import *
+from . import ui_logdlg
+from . import clipboard
 
 # Display only this size of log
 LOG_DISPLAY_SIZE = 1024*1024
 
-class LogDialog(Ui_LogDialog, QDialog):
+
+class LogDialog(ui_logdlg.Ui_LogDialog, QtGui.QDialog):
 
     def __init__(self, app, log_path, parent=None):
         super(LogDialog, self).__init__(parent)
@@ -46,24 +40,26 @@ def __init__(self, app, log_path, parent=None):
 
         self.setupUi(self)
         self.setWindowTitle(log_path)
-
-        self.connect(self.copy_to_qubes_clipboard, SIGNAL("clicked()"), self.copy_to_qubes_clipboard_triggered)
-
+
+        self.connect(self.copy_to_qubes_clipboard,
+                     QtCore.SIGNAL("clicked()"),
+                     self.copy_to_qubes_clipboard_triggered)
+
         self.__init_log_text__()
 
     def __init_log_text__(self):
         self.displayed_text = ""
         log = open(self.log_path)
-        log.seek(0, os.SEEK_END)
+        log.seek(0, clipboard.os.SEEK_END)
         if log.tell() > LOG_DISPLAY_SIZE:
-            self.displayed_text = self.tr("(Showing only last %d bytes of file)\n") % LOG_DISPLAY_SIZE
-            log.seek(-LOG_DISPLAY_SIZE, os.SEEK_END)
+            self.displayed_text = self.tr(
+                "(Showing only last %d bytes of file)\n") % LOG_DISPLAY_SIZE
+            log.seek(-LOG_DISPLAY_SIZE, clipboard.os.SEEK_END)
         else:
-            log.seek(0, os.SEEK_SET)
+            log.seek(0, clipboard.os.SEEK_SET)
         self.displayed_text += log.read()
         log.close()
         self.log_text.setPlainText(self.displayed_text)
 
-
     def copy_to_qubes_clipboard_triggered(self):
-        copy_text_to_qubes_clipboard(self.displayed_text)
+        clipboard.copy_text_to_qubes_clipboard(self.displayed_text)