From 3977fe705b0155ef380e3522201b812fa2149f76 Mon Sep 17 00:00:00 2001
From: Thomas Mangin <thomas.mangin@exa.net.uk>
Date: Sat, 27 Jun 2020 13:47:52 +0100
Subject: xml: T2656: option to not flatten the default dict

---
 python/vyos/xml/__init__.py   |  9 +++++++--
 python/vyos/xml/definition.py | 16 ++++++++++------
 2 files changed, 17 insertions(+), 8 deletions(-)

(limited to 'python/vyos/xml')

diff --git a/python/vyos/xml/__init__.py b/python/vyos/xml/__init__.py
index 52f5bfb38..bda8c96c5 100644
--- a/python/vyos/xml/__init__.py
+++ b/python/vyos/xml/__init__.py
@@ -35,5 +35,10 @@ def load_configuration(cache=[]):
     return xml
 
 
-def defaults(lpath):
-    return load_configuration().defaults(lpath)
+def defaults(lpath, flat=True):
+    return load_configuration().defaults(lpath, flat)
+
+
+if __name__ == '__main__':
+    print(defaults(['service'], flat=True))
+    print(defaults(['service'], flat=False))
diff --git a/python/vyos/xml/definition.py b/python/vyos/xml/definition.py
index a66170a18..e493c54c1 100644
--- a/python/vyos/xml/definition.py
+++ b/python/vyos/xml/definition.py
@@ -11,6 +11,7 @@
 # You should have received a copy of the GNU Lesser General Public License along with this library;
 # if not, write to the Free Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA 
 
+from copy import deepcopy
 
 from vyos.xml import kw
 
@@ -246,28 +247,31 @@ class XML(dict):
     # @lru_cache(maxsize=100)
     # XXX: need to use cachetool instead - for later
 
-    def defaults(self, lpath):
+    def defaults(self, lpath, flat):
         d = self[kw.default]
         for k in lpath:
             d = d[k]
-        r = {}
 
-        def _flatten(inside, index, d, r):
+        if not flat:
+            return deepcopy(d)
+
+        def _flatten(inside, index, d):
+            r = {}
             local = inside[index:]
             prefix = '_'.join(_.replace('-','_') for _ in local) + '_' if local else ''
             for k in d:
                 under = prefix + k.replace('-','_')
                 level = inside + [k]
                 if isinstance(d[k],dict):
-                    _flatten(level, index, d[k], r)
+                    r.update(_flatten(level, index, d[k]))
                     continue
                 if self.is_multi(level, with_tag=False):
                     r[under] = [_.strip() for _ in d[k].split(',')]
                     continue
                 r[under] = d[k]
+            return r
 
-        _flatten(lpath, len(lpath), d, r)
-        return r
+        return _flatten(lpath, len(lpath), d)
 
     # from functools import lru_cache
     # @lru_cache(maxsize=100)
-- 
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