File virtman-default-guest-from-host-os.patch of Package virt-manager

Index: virt-manager-0.9.5/src/virtManager/create.py
===================================================================
--- virt-manager-0.9.5.orig/src/virtManager/create.py
+++ virt-manager-0.9.5/src/virtManager/create.py
@@ -20,6 +20,8 @@
 
 import threading
 import logging
+import sys
+import os
 
 import gtk
 
@@ -1159,6 +1161,51 @@ class vmmCreate(vmmGObjectUI):
             return
         self.start_detection(forward=forward)
 
+    def _lookup_host_os(self):
+        if sys.platform == 'linux2':
+            if os.path.exists('/etc/issue'):
+                f = open('/etc/issue')
+                lines = f.readlines()
+                f.close()
+                for line in lines:
+                    if "openSUSE 13" in line:
+                        return 'linux', 'opensuse13'
+                    if "openSUSE 12" in line:
+                        return 'linux', 'opensuse12'
+                    if "SUSE Linux Enterprise Server 11" in line:
+                        return 'linux', 'sles11'
+                    if "SUSE Linux Enterprise Desktop 11" in line:
+                        return 'linux', 'sled11'
+                    if "Fedora" in line:
+                        return 'linux', 'fedora17'
+                    if "Red Hat Enterprise Linux Server" in line:
+                        return 'linux', 'rhel6'
+        return None, None
+
+    def detect_host_os(self):
+        box = self.widget('install-os-type')
+        if box.get_active() <= 0:
+            os_type, os_variant = self._lookup_host_os()
+            if os_type is None:
+                return
+            model = box.get_model()
+            index = 0
+            for row in model:
+                if row[0] == 'linux':
+                    box.set_active(index)
+                    break
+                index += 1
+            if os_variant is None:
+                return
+            box = self.widget('install-os-version')
+            model = box.get_model()
+            index = 0
+            for row in model:
+                if row[0] == os_variant:
+                    box.set_active(index)
+                    break
+                index += 1
+
     def toggle_detect_os(self, src):
         dodetect = src.get_active()
 
@@ -1174,6 +1221,7 @@ class vmmCreate(vmmGObjectUI):
             self.widget("install-os-version-label").hide()
             self.widget("install-os-type").show()
             self.widget("install-os-version").show()
+            self.detect_host_os()
 
     def _selected_os_row(self):
         box = self.widget("install-os-type")