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-rw-r--r--python/vyos/priority.py75
-rwxr-xr-xpython/vyos/xml_ref/generate_cache.py3
2 files changed, 77 insertions, 1 deletions
diff --git a/python/vyos/priority.py b/python/vyos/priority.py
new file mode 100644
index 000000000..ab4e6d411
--- /dev/null
+++ b/python/vyos/priority.py
@@ -0,0 +1,75 @@
+# Copyright 2024 VyOS maintainers and contributors <maintainers@vyos.io>
+#
+# This library is free software; you can redistribute it and/or
+# modify it under the terms of the GNU Lesser General Public
+# License as published by the Free Software Foundation; either
+# version 2.1 of the License, or (at your option) any later version.
+#
+# This library is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+# Lesser General Public License for more details.
+#
+# You should have received a copy of the GNU Lesser General Public License
+# along with this library. If not, see <http://www.gnu.org/licenses/>.
+
+from pathlib import Path
+from typing import List
+
+from vyos.xml_ref import load_reference
+from vyos.base import Warning as Warn
+
+def priority_data(d: dict) -> list:
+ def func(d, path, res, hier):
+ for k,v in d.items():
+ if not 'node_data' in v:
+ continue
+ subpath = path + [k]
+ hier_prio = hier
+ data = v.get('node_data')
+ o = data.get('owner')
+ p = data.get('priority')
+ # a few interface-definitions have priority preceding owner
+ # attribute, instead of within properties; pass in descent
+ if p is not None and o is None:
+ hier_prio = p
+ if o is not None and p is None:
+ p = hier_prio
+ if o is not None and p is not None:
+ o = Path(o.split()[0]).name
+ p = int(p)
+ res.append((subpath, o, p))
+ if isinstance(v, dict):
+ func(v, subpath, res, hier_prio)
+ return res
+ ret = func(d, [], [], 0)
+ ret = sorted(ret, key=lambda x: x[0])
+ ret = sorted(ret, key=lambda x: x[2])
+ return ret
+
+def get_priority_data() -> list:
+ xml = load_reference()
+ return priority_data(xml.ref)
+
+def priority_sort(sections: List[list[str]] = None,
+ owners: List[str] = None,
+ reverse=False) -> List:
+ if sections is not None:
+ index = 0
+ collection: List = sections
+ elif owners is not None:
+ index = 1
+ collection = owners
+ else:
+ raise ValueError('one of sections or owners is required')
+
+ l = get_priority_data()
+ m = [item for item in l if item[index] in collection]
+ n = sorted(m, key=lambda x: x[2], reverse=reverse)
+ o = [item[index] for item in n]
+ # sections are unhashable; use comprehension
+ missed = [j for j in collection if j not in o]
+ if missed:
+ Warn(f'No priority available for elements {missed}')
+
+ return o
diff --git a/python/vyos/xml_ref/generate_cache.py b/python/vyos/xml_ref/generate_cache.py
index 6a05d4608..d1ccb0f81 100755
--- a/python/vyos/xml_ref/generate_cache.py
+++ b/python/vyos/xml_ref/generate_cache.py
@@ -38,7 +38,8 @@ xml_tmp = join('/tmp', xml_cache_json)
pkg_cache = abspath(join(_here, 'pkg_cache'))
ref_cache = abspath(join(_here, 'cache.py'))
-node_data_fields = ("node_type", "multi", "valueless", "default_value")
+node_data_fields = ("node_type", "multi", "valueless", "default_value",
+ "owner", "priority")
def trim_node_data(cache: dict):
for k in list(cache):