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"""
NETCONF for APK Distributions server:
Base utility functions.
Copyright © 2020 Adélie Software in the Public Benefit, Inc.
Released under the terms of the NCSA license. See the LICENSE file included
with this source distribution for more information.
SPDX-License-Identifier: NCSA
"""
from netconf import error
def _(the_string: str) -> str:
"""Translate a user-facing string.
Currently not implemented, but allows us to implement translation later."""
return the_string
def ensure_leaf(rpc, node):
"""Ensure that the node is a leaf (contains no child nodes)."""
if len(node) > 0:
raise error.UnknownElementAppError(rpc, node[0])
def node_operation(node, def_op='merge') -> str:
"""Determine the operation desired for an XML node.
:param node:
The node.
:param str def_op:
The default operation if none is specified. Defaults to 'merge'.
:returns str:
The operation desired.
"""
nc10 = '{urn:ietf:params:xml:ns:netconf:base:1.0}operation'
nc11 = '{urn:ietf:params:xml:ns:netconf:base:1.1}operation'
return node.attrib.get(nc11, node.attrib.get(nc10, def_op))
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