From 40f5359d2d34e322272b79f3905d26954311daa6 Mon Sep 17 00:00:00 2001
From: John Estabrook <jestabro@vyos.io>
Date: Fri, 13 Aug 2021 12:01:04 -0500
Subject: xml: T3474: add syntaxVersion processing to python xml lib

---
 python/vyos/xml/__init__.py   | 2 ++
 python/vyos/xml/definition.py | 6 ++++++
 python/vyos/xml/kw.py         | 1 +
 python/vyos/xml/load.py       | 7 ++++++-
 4 files changed, 15 insertions(+), 1 deletion(-)

(limited to 'python/vyos')

diff --git a/python/vyos/xml/__init__.py b/python/vyos/xml/__init__.py
index 0ef0c85ce..e0eacb2d1 100644
--- a/python/vyos/xml/__init__.py
+++ b/python/vyos/xml/__init__.py
@@ -46,6 +46,8 @@ def is_tag(lpath):
 def is_leaf(lpath, flat=True):
     return load_configuration().is_leaf(lpath, flat)
 
+def component_versions():
+    return load_configuration().component_versions()
 
 def defaults(lpath, flat=False):
     return load_configuration().defaults(lpath, flat)
diff --git a/python/vyos/xml/definition.py b/python/vyos/xml/definition.py
index f556c5ced..5e0d5282c 100644
--- a/python/vyos/xml/definition.py
+++ b/python/vyos/xml/definition.py
@@ -30,6 +30,7 @@ class XML(dict):
         self[kw.owners] = {}
         self[kw.default] = {}
         self[kw.tags] = []
+        self[kw.component_version] = {}
 
         dict.__init__(self)
 
@@ -248,6 +249,11 @@ class XML(dict):
     # @lru_cache(maxsize=100)
     # XXX: need to use cachetool instead - for later
 
+    def component_versions(self) -> dict:
+        sort_component = sorted(self[kw.component_version].items(),
+                                key = lambda kv: kv[0])
+        return dict(sort_component)
+
     def defaults(self, lpath, flat):
         d = self[kw.default]
         for k in lpath:
diff --git a/python/vyos/xml/kw.py b/python/vyos/xml/kw.py
index 58d47e751..48226ce96 100644
--- a/python/vyos/xml/kw.py
+++ b/python/vyos/xml/kw.py
@@ -32,6 +32,7 @@ priorities = '[priorities]'
 owners = '[owners]'
 tags = '[tags]'
 default = '[default]'
+component_version = '[component_version]'
 
 # nodes
 
diff --git a/python/vyos/xml/load.py b/python/vyos/xml/load.py
index 0578bef80..c3022f3d6 100644
--- a/python/vyos/xml/load.py
+++ b/python/vyos/xml/load.py
@@ -115,7 +115,12 @@ def _format_nodes(inside, conf, xml):
             nodetype = 'tagNode'
             nodename = kw.tagNode
         elif 'syntaxVersion' in conf.keys():
-            conf.pop('syntaxVersion')
+            sv = conf.pop('syntaxVersion')
+            if isinstance(sv, list):
+                for v in sv:
+                    xml[kw.component_version][v['@component']] = v['@version']
+            else:
+                xml[kw.component_version][sv['@component']] = sv['@version']
             continue
         else:
             _fatal(conf.keys())
-- 
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