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-rw-r--r--python/vyos/config.py12
-rw-r--r--python/vyos/util.py25
2 files changed, 35 insertions, 2 deletions
diff --git a/python/vyos/config.py b/python/vyos/config.py
index f94293e2d..56353c322 100644
--- a/python/vyos/config.py
+++ b/python/vyos/config.py
@@ -68,6 +68,7 @@ import re
import json
import subprocess
+import vyos.util
import vyos.configtree
@@ -287,7 +288,7 @@ class Config(object):
self.__session_env = save_env
return(default)
- def get_config_dict(self, path=[], effective=False):
+ def get_config_dict(self, path=[], effective=False, key_mangling=None):
"""
Args: path (str list): Configuration tree path, can be empty
Returns: a dict representation of the config
@@ -299,6 +300,15 @@ class Config(object):
else:
config_dict = {}
+ if key_mangling:
+ if not (isinstance(key_mangling, tuple) and \
+ (len(key_mangling) == 2) and \
+ isinstance(key_mangling[0], str) and \
+ isinstance(key_mangling[1], str)):
+ raise ValueError("key_mangling must be a tuple of two strings")
+ else:
+ config_dict = vyos.util.mangle_dict_keys(config_dict, key_mangling[0], key_mangling[1])
+
return config_dict
def is_multi(self, path):
diff --git a/python/vyos/util.py b/python/vyos/util.py
index c93f8d3f0..0ddc14963 100644
--- a/python/vyos/util.py
+++ b/python/vyos/util.py
@@ -1,4 +1,4 @@
-# Copyright 2019 VyOS maintainers and contributors <maintainers@vyos.io>
+# Copyright 2020 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
@@ -14,6 +14,7 @@
# License along with this library. If not, see <http://www.gnu.org/licenses/>.
import os
+import re
import sys
#
@@ -340,6 +341,28 @@ def colon_separated_to_dict(data_string, uniquekeys=False):
return data
+def mangle_dict_keys(data, regex, replacement):
+ """ Mangles dict keys according to a regex and replacement character.
+ Some libraries like Jinja2 do not like certain characters in dict keys.
+ This function can be used for replacing all offending characters
+ with something acceptable.
+
+ Args:
+ data (dict): Original dict to mangle
+
+ Returns: dict
+ """
+ new_dict = {}
+ for key in data.keys():
+ new_key = re.sub(regex, replacement, key)
+
+ value = data[key]
+ if isinstance(value, dict):
+ new_dict[new_key] = mangle_dict_keys(value, regex, replacement)
+ else:
+ new_dict[new_key] = value
+
+ return new_dict
def process_running(pid_file):
""" Checks if a process with PID in pid_file is running """