diff --git a/pym/install/variables/system.py b/pym/install/variables/system.py
index 927ae15..b48598d 100644
--- a/pym/install/variables/system.py
+++ b/pym/install/variables/system.py
@@ -32,6 +32,7 @@ from calculate.lib.utils.portage import isPkgInstalled
 import calculate.lib.utils.device as device
 from calculate.lib.encrypt import sha256_crypt
 from calculate.lib.variables.system import RootType
+import calculate.lib.variables.env as libenv
 from calculate.lib.encrypt import get_shadow_hash, get_grub_hash
 from calculate.core.server.admin import Admins
 import calculate.lib.cl_ini_parser as cl_ini_parser
@@ -74,6 +75,28 @@ class GrubHelper(VariableInterface):
         return ""
 
 
+class VariableOsInstallLibPath(ReadonlyVariable):
+    """
+    Использовать lib или lib64
+    """
+    def get(self):
+        if self.Get('os_install_arch_machine') == 'x86_64':
+            return "lib64"
+        else:
+            return "lib"
+
+
+class VariableOsInstallPython(libenv.VariableOsPython):
+    """
+    Текущий python
+    """
+    def get_root(self):
+        return self.Get('cl_chroot_path')
+
+    def get_usrlib(self):
+        return "/usr/%s" % self.Get('os_install_lib_path')
+
+
 class VariableOsInstallScratch(ReadonlyVariable):
     """
     Install system in scratch mode