Optimize get information from image (available vidoe and netconf)

install/variables/X11.py

@@ -98,6 +98,21 @@ class VariableOsInstallX11Resolution(ResolutionVariable):
         else:
             return self.choice()[-1]
 
+class VariableOsInstallX11VideoAvailable(VideoVariable):
+    """
+    Get available (already installed or installable drivers
+    """
+    type = "list"
+
+    def get(self):
+        image = self.Get('cl_image')
+        if image:
+            with image as distr:
+                distrPath = image.getDirectory()
+                if isPkgInstalled('xorg-server',prefix=distrPath):
+                    return getAvailableVideo(prefix=distrPath)+['other']
+        return []
+
 class VariableOsInstallX11VideoDrv(VideoVariable):
     """
     Video driver used by xorg
@@ -112,13 +127,7 @@ class VariableOsInstallX11VideoDrv(VideoVariable):
 
     def choice(self):
         """Get available (already installed or installable drivers"""
-        image = self.Get('cl_image')
-        if image:
-            with image as distr:
-                distrPath = image.getDirectory()
-                if isPkgInstalled('xorg-server',prefix=distrPath):
-                    return getAvailableVideo(prefix=distrPath)+['other']
-        return []
+        return self.Get('os_install_x11_video_available')
     
     def get(self):
         # get available videodriver list from install or configure distributive

install/variables/net.py

@@ -520,6 +520,26 @@ class VariableOsInstallNetNmroute(VariableOsInstallNetRoute):
                                x[NET]!="default",routeMatrix))))
         return self.performRouteData(getRouteForInterfaceNM)
 
+class VariableOsInstallNetConfAvailable(NetVariable):
+    """
+    Available net configuration
+    """
+    type = "list"
+
+    def get(self):
+        mapNetConf = (('networkmanager','net-misc/networkmanager',
+                                        _("NetworkManager")),
+                      ('openrc','',_('OpenRC')))
+        image = self.Get('cl_image')
+        if image:
+            with image as distr:
+                distrPath = image.getDirectory()
+                return map(itemgetter(0,2),
+                       filter(lambda x:not x[1] or isPkgInstalled(x[1],
+                                           prefix=distrPath),
+                       mapNetConf))
+        return map(itemgetter(0,2),mapNetConf[-1:])
+
 class VariableOsInstallNetConf(NetVariable):
     """
     Net setup (networkmanager or openrc)
@@ -541,24 +561,14 @@ class VariableOsInstallNetConf(NetVariable):
             nm = "networkmanager"
         else:
             nm = ""
-        for val,comment in self.choice():
+        for val,comment in self.Get('os_install_net_conf_available'):
             if nm == val:
                 return nm
         else:
             return "openrc"
 
     def choice(self):
-        mapNetConf = (('networkmanager','net-misc/networkmanager',_("NetworkManager")),
-                      ('openrc','',_('OpenRC')))
-        image = self.Get('cl_image')
-        if image:
-            with image as distr:
-                distrPath = image.getDirectory()
-                return map(itemgetter(0,2),
-                       filter(lambda x:not x[1] or isPkgInstalled(x[1],
-                                           prefix=distrPath),
-                       mapNetConf))
-        return map(itemgetter(0,2),mapNetConf[-1:])
+        return self.Get('os_install_net_conf_available')
 
 class VariableOsInstallNetDnsSearch(NetVariable):
     """