Merge #2088: Update Zenmap to Python 3 and PyGObject

Note: Ndiff build will be broken until subsequent changes are made.
Deprecation warnings will need to be addressed in future changes.
Closes #2088

zenmap/zenmapGUI/App.py

@@ -1,5 +1,4 @@
-#!/usr/bin/env python
-# -*- coding: utf-8 -*-
+#!/usr/bin/env python3
 
 # ***********************IMPORTANT NMAP LICENSE TERMS************************
 # *                                                                         *
@@ -62,7 +61,7 @@ import imp
 import os
 import signal
 import sys
-import ConfigParser
+import configparser
 import shutil
 
 # Cause an exception if PyGTK can't open a display. Normally this just
@@ -74,7 +73,9 @@ import shutil
 import warnings
 warnings.filterwarnings("error", module="gtk", append="True")
 try:
-    import gtk
+    import gi
+    gi.require_version("Gtk", "3.0")
+    from gi.repository import Gtk, Gdk
 except Exception:
     # On Mac OS X 10.5, X11 is supposed to be automatically launched on demand.
     # It works by setting the DISPLAY environment variable to something like
@@ -86,7 +87,9 @@ except Exception:
     # startup scripts, and for some reason the first connection (the one that
     # caused the launch) is rejected. But somehow subsequent connections work
     # fine! So if the import fails, try one more time.
-    import gtk
+    import gi
+    gi.require_version("Gtk", "3.0")
+    from gi.repository import Gtk, Gdk
 warnings.resetwarnings()
 
 from zenmapGUI.higwidgets.higdialogs import HIGAlertDialog
@@ -103,17 +106,17 @@ from zenmapCore.Name import APP_DISPLAY_NAME
 from zenmapGUI.higwidgets.higdialogs import HIGAlertDialog
 
 # A global list of open scan windows. When the last one is destroyed, we call
-# gtk.main_quit.
+# Gtk.main_quit.
 open_windows = []
 
 
 def _destroy_callback(window):
     open_windows.remove(window)
     if len(open_windows) == 0:
-        gtk.main_quit()
+        Gtk.main_quit()
     try:
         from zenmapCore.UmitDB import UmitDB
-    except ImportError, e:
+    except ImportError as e:
         log.debug(">>> Not cleaning up database: %s." % str(e))
     else:
         # Cleaning up data base
@@ -160,29 +163,31 @@ def install_excepthook():
         # produces a warning, but the lack of a display eventually causes a
         # segmentation fault. See http://live.gnome.org/PyGTK/WhatsNew210.
         warnings.filterwarnings("error", module="gtk")
-        import gtk
+        import gi
+        gi.require_version("Gtk", "3.0")
+        from gi.repository import Gtk, Gdk
         warnings.resetwarnings()
 
-        gtk.gdk.threads_enter()
+        Gdk.threads_enter()
 
         from zenmapGUI.higwidgets.higdialogs import HIGAlertDialog
         from zenmapGUI.CrashReport import CrashReport
         if type == ImportError:
-            d = HIGAlertDialog(type=gtk.MESSAGE_ERROR,
+            d = HIGAlertDialog(type=Gtk.MessageType.ERROR,
                 message_format=_("Import error"),
                 secondary_text=_("""A required module was not found.
 
-""" + unicode(value)))
+""" + str(value)))
             d.run()
             d.destroy()
         else:
             c = CrashReport(type, value, tb)
             c.show_all()
-            gtk.main()
+            Gtk.main()
 
-        gtk.gdk.threads_leave()
+        Gdk.threads_leave()
 
-        gtk.main_quit()
+        Gtk.main_quit()
 
     sys.excepthook = excepthook
 
@@ -215,7 +220,7 @@ def run():
         # template directory.
         create_user_config_dir(
                 Path.user_config_dir, Path.config_dir)
-    except (IOError, OSError), e:
+    except (IOError, OSError) as e:
         error_dialog = HIGAlertDialog(
                 message_format=_(
                     "Error creating the per-user configuration directory"),
@@ -239,7 +244,7 @@ scan profiles. Check for access to the directory and try again.""") % (
     try:
         # Read the ~/.zenmap/zenmap.conf configuration file.
         zenmapCore.UmitConf.config_parser.read(Path.user_config_file)
-    except ConfigParser.ParsingError, e:
+    except configparser.ParsingError as e:
         # ParsingError can leave some values as lists instead of strings. Just
         # blow it all away if we have this problem.
         zenmapCore.UmitConf.config_parser = zenmapCore.UmitConf.config_parser.__class__()
@@ -258,7 +263,7 @@ until it is repaired.""") % (Path.user_config_file, str(e), APP_DISPLAY_NAME)
         error_dialog.destroy()
         global_config_path = os.path.join(Path.config_dir, APP_NAME + '.conf')
         repair_dialog = HIGAlertDialog(
-                type=gtk.MESSAGE_QUESTION,
+                type=Gtk.MessageType.QUESTION,
                 message_format=_("Restore default configuration?"),
                 secondary_text=_("""\
 To avoid further errors parsing the configuration file %s, \
@@ -267,9 +272,9 @@ you can copy the default configuration from %s.
 Do this now? \
 """) % (Path.user_config_file, global_config_path),
                 )
-        repair_dialog.add_button(gtk.STOCK_CANCEL, gtk.RESPONSE_CANCEL)
-        repair_dialog.set_default_response(gtk.RESPONSE_CANCEL)
-        if repair_dialog.run() == gtk.RESPONSE_OK:
+        repair_dialog.add_button(Gtk.STOCK_CANCEL, Gtk.ResponseType.CANCEL)
+        repair_dialog.set_default_response(Gtk.ResponseType.CANCEL)
+        if repair_dialog.run() == Gtk.ResponseType.OK:
             shutil.copyfile(global_config_path, Path.user_config_file)
             log.debug(">>> Copy %s to %s." % (global_config_path, Path.user_config_file))
         repair_dialog.destroy()
@@ -316,13 +321,13 @@ Do this now? \
 
     if main_is_frozen():
         # This is needed by py2exe
-        gtk.gdk.threads_init()
-        gtk.gdk.threads_enter()
+        Gdk.threads_init()
+        Gdk.threads_enter()
 
-    gtk.main()
+    Gtk.main()
 
     if main_is_frozen():
-        gtk.gdk.threads_leave()
+        Gdk.threads_leave()
 
 
 class NonRootWarning (HIGAlertDialog):