zenmap: do not traceback when there si no display, just exit nicely (#958240)

nmap-6.25-displayerror.patch

@@ -0,0 +1,17 @@
+diff -up nmap-6.25/zenmap/zenmapGUI/App.py.displayerror nmap-6.25/zenmap/zenmapGUI/App.py
+--- nmap-6.25/zenmap/zenmapGUI/App.py.displayerror	2013-05-23 15:11:46.595569883 +0200
++++ nmap-6.25/zenmap/zenmapGUI/App.py	2013-05-23 15:12:44.786049525 +0200
+@@ -116,7 +116,12 @@ 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
++    try:
++        import gtk
++    except Exception, e:
++        print >> sys.stderr, 'Error:', str(e)
++        sys.exit(1)
++
+ warnings.resetwarnings()
+ 
+ from zenmapGUI.higwidgets.higdialogs import HIGAlertDialog

nmap.spec

@@ -4,7 +4,7 @@ Name: nmap
 Epoch: 2
 Version: 6.25
 #global prerelease TEST5
-Release: 2%{?dist}
+Release: 3%{?dist}
 # nmap is GPLv2
 # zenmap is GPLv2 and LGPLv2+ (zenmap/higwidgets) and GPLv2+ (zenmap/radialnet)
 # libdnet-stripped is BSD (advertising clause rescinded by the Univ. of California in 1999) with some parts as Public Domain (crc32)
@@ -33,6 +33,7 @@ Patch4: zenmap-621887-workaround.patch
 
 # upstream provided patch for rhbz#845005, not yet in upstream repository
 Patch5: ncat_reg_stdin.diff
+Patch6: nmap-6.25-displayerror.patch
 
 URL: http://nmap.org/
 BuildRoot: %{_tmppath}/%{name}-%{version}-%{release}-root-%(%{__id_u} -n)
@@ -89,6 +90,7 @@ uses.
 %patch2 -p1 -b .noms
 %patch4 -p1 -b .bz637403
 %patch5 -p1 -b .ncat_reg_stdin
+%patch6 -p1 -b .displayerror
 
 # for aarch64 support, not needed with autotools 2.69+
 for f in acinclude.m4 configure.ac nping/configure.ac
@@ -226,6 +228,9 @@ rm -rf $RPM_BUILD_ROOT
 %{_mandir}/man1/xnmap.1.gz
 
 %changelog
+* Thu May 23 2013 Michal Hlavinka <mhlavink@redhat.com> - 2:6.25-3
+- zenmap: do not traceback when there si no display, just exit nicely (#958240)
+
 * Thu Mar 28 2013 Michal Hlavinka <mhlavink@redhat.com> - 2:6.25-2
 - fix aarch64 support (#926241)