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authorJohn Estabrook <jestabro@vyos.io>2023-06-02 23:29:47 -0500
committerJohn Estabrook <jestabro@vyos.io>2023-06-22 20:12:08 -0500
commitf2f6b963b755ca5da3321e84738bfec1d08fb1ea (patch)
treee8878e489b71bf5f116434eb5cff77f01ed3c132
parent1a18d5a59d14877984fe00d6257ba8bd5d5036d4 (diff)
downloadvyos-1x-f2f6b963b755ca5da3321e84738bfec1d08fb1ea.tar.gz
vyos-1x-f2f6b963b755ca5da3321e84738bfec1d08fb1ea.zip
xml: T5218: fix error and simplify logic in recursive option
-rw-r--r--python/vyos/xml_ref/__init__.py7
-rw-r--r--python/vyos/xml_ref/definition.py103
2 files changed, 60 insertions, 50 deletions
diff --git a/python/vyos/xml_ref/__init__.py b/python/vyos/xml_ref/__init__.py
index ae5184746..d3fb4ab07 100644
--- a/python/vyos/xml_ref/__init__.py
+++ b/python/vyos/xml_ref/__init__.py
@@ -62,5 +62,8 @@ def get_config_defaults(rpath: list, conf: dict, get_first_key=False,
get_first_key=get_first_key,
recursive=recursive)
-def merge_defaults(path: list, conf: dict) -> dict:
- return load_reference().merge_defaults(path, conf)
+def merge_defaults(path: list, conf: dict, get_first_key=False,
+ recursive=False) -> dict:
+ return load_reference().merge_defaults(path, conf,
+ get_first_key=get_first_key,
+ recursive=recursive)
diff --git a/python/vyos/xml_ref/definition.py b/python/vyos/xml_ref/definition.py
index 429331577..970dd915f 100644
--- a/python/vyos/xml_ref/definition.py
+++ b/python/vyos/xml_ref/definition.py
@@ -13,7 +13,7 @@
# 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 typing import Union, Any
+from typing import Optional, Union, Any
from vyos.configdict import dict_merge
class Xml:
@@ -116,9 +116,17 @@ class Xml:
return res
- def _get_default_value(self, node: dict):
+ def _get_default_value(self, node: dict) -> Optional[str]:
return self._get_ref_node_data(node, "default_value")
+ def _get_default(self, node: dict) -> Optional[Union[str, list]]:
+ default = self._get_default_value(node)
+ if default is None:
+ return None
+ if self._is_multi_node(node) and not isinstance(default, list):
+ return [default]
+ return default
+
def get_defaults(self, path: list, get_first_key=False, recursive=False) -> dict:
"""Return dict containing default values below path
@@ -128,18 +136,23 @@ class Xml:
'relative_defaults'
"""
res: dict = {}
+ if self.is_tag(path):
+ return res
+
d = self._get_ref_path(path)
+
+ if self._is_leaf_node(d):
+ default_value = self._get_default(d)
+ if default_value is not None:
+ return {path[-1]: default_value} if path else {}
+
for k in list(d):
if k in ('node_data', 'component_version') :
continue
- d_k = d[k]
- if self._is_leaf_node(d_k):
- default_value = self._get_default_value(d_k)
+ if self._is_leaf_node(d[k]):
+ default_value = self._get_default(d[k])
if default_value is not None:
- pos = default_value
- if self._is_multi_node(d_k) and not isinstance(pos, list):
- pos = [pos]
- res |= {k: pos}
+ res |= {k: default_value}
elif self.is_tag(path + [k]):
# tag node defaults are used as suggestion, not default value;
# should this change, append to path and continue if recursive
@@ -150,8 +163,6 @@ class Xml:
res |= pos
if res:
if get_first_key or not path:
- if not isinstance(res, dict):
- raise TypeError("Cannot get_first_key as data under node is not of type dict")
return res
return {path[-1]: res}
@@ -163,7 +174,7 @@ class Xml:
return [next(iter(c.keys()))] if c else []
try:
tmp = step(conf)
- if self.is_tag_value(path + tmp):
+ if tmp and self.is_tag_value(path + tmp):
c = conf[tmp[0]]
if not isinstance(c, dict):
raise ValueError
@@ -175,57 +186,53 @@ class Xml:
return False
return True
- def relative_defaults(self, rpath: list, conf: dict, get_first_key=False,
+ def _relative_defaults(self, rpath: list, conf: dict, recursive=False) -> dict:
+ res: dict = {}
+ res = self.get_defaults(rpath, recursive=recursive,
+ get_first_key=True)
+ for k in list(conf):
+ if isinstance(conf[k], dict):
+ step = self._relative_defaults(rpath + [k], conf=conf[k],
+ recursive=recursive)
+ res |= step
+
+ if res:
+ return {rpath[-1]: res} if rpath else res
+
+ return {}
+
+ def relative_defaults(self, path: list, conf: dict, get_first_key=False,
recursive=False) -> dict:
"""Return dict containing defaults along paths of a config dict
"""
if not conf:
- return self.get_defaults(rpath, get_first_key=get_first_key,
+ return self.get_defaults(path, get_first_key=get_first_key,
recursive=recursive)
- if rpath and rpath[-1] in list(conf):
- conf = conf[rpath[-1]]
- if not isinstance(conf, dict):
- raise TypeError('conf at path is not of type dict')
+ if path and path[-1] in list(conf):
+ conf = conf[path[-1]]
+ conf = {} if not isinstance(conf, dict) else conf
- if not self._well_defined(rpath, conf):
+ if not self._well_defined(path, conf):
print('path to config dict does not define full config paths')
return {}
- res: dict = {}
- for k in list(conf):
- pos = self.get_defaults(rpath + [k], recursive=recursive)
- res |= pos
-
- if isinstance(conf[k], dict):
- step = self.relative_defaults(rpath + [k], conf=conf[k],
- recursive=recursive)
- res |= step
+ res = self._relative_defaults(path, conf, recursive=recursive)
- if res:
- if get_first_key:
- return res
- return {rpath[-1]: res} if rpath else res
+ if get_first_key and path:
+ if res.values():
+ res = next(iter(res.values()))
+ else:
+ res = {}
- return {}
+ return res
- def merge_defaults(self, path: list, conf: dict) -> dict:
+ def merge_defaults(self, path: list, conf: dict, get_first_key=False,
+ recursive=False) -> dict:
"""Return config dict with defaults non-destructively merged
This merges non-recursive defaults relative to the config dict.
"""
- if path[-1] in list(conf):
- config = conf[path[-1]]
- if not isinstance(config, dict):
- raise TypeError('conf at path is not of type dict')
- shift = False
- else:
- config = conf
- shift = True
-
- if not self._well_defined(path, config):
- print('path to config dict does not define config paths; conf returned unchanged')
- return conf
-
- d = self.relative_defaults(path, conf=config, get_first_key=shift)
+ d = self.relative_defaults(path, conf, get_first_key=get_first_key,
+ recursive=recursive)
d = dict_merge(d, conf)
return d