Embedded nesting in hostgroup init.

modules/hostgroups.py

@@ -6,7 +6,9 @@ from modules.tools import build_path
 class Hostgroup():
     """Hostgroup class for devices and VM's
     Takes type (vm or dev) and NB object"""
-    def __init__(self, obj_type, nb_obj, version, logger=None):
+    def __init__(self, obj_type, nb_obj, version, logger=None,
+                 nested_sitegroup_flag=False, nested_region_flag=False,
+                 nb_regions=None, nb_groups=None):
         self.logger = logger if logger else getLogger(__name__)
         if obj_type not in ("vm", "dev"):
             msg = f"Unable to create hostgroup with type {type}"
@@ -17,7 +19,8 @@ class Hostgroup():
         self.name = self.nb.name
         self.nb_version = version
         # Used for nested data objects
-        self.nested_objects = {}
+        self.set_nesting(nested_sitegroup_flag, nested_region_flag,
+                         nb_groups, nb_regions)
         self._set_format_options()
 
     def __str__(self):