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"""
NETCONF for APK Distributions server:
Higher-level 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 math import floor
import time
from lxml.etree import QName # pylint: disable=E0611
from netconf import error
from ncserver.base.modman import MODMAN
from ncserver.base.util import yang_dt_for_timestamp
def maybe_raise_on_invalid_node(xmlns, rpc, node):
"""Determine if this node should cause the module in namespace to raise.
:param str xmlns:
The xmlns of the current module.
:param rpc:
The RPC causing this lookup to happen.
:param node:
The node in question.
"""
nodens = QName(node).namespace
if nodens == xmlns:
raise error.UnknownElementAppError(rpc, node)
# pylint: disable=W0212
if nodens not in (mod.M_NS for mod in MODMAN._augments_for_ns(xmlns)):
raise error.UnknownNamespaceAppError(rpc, node, None)
def system_boot_time() -> str:
"""Return the system's boot time."""
with open('/proc/uptime', 'r') as upfile:
raw = upfile.read().split(' ')[0]
boot = floor(time.time() - float(raw))
return yang_dt_for_timestamp(boot)
def get_nmsa():
"""Retrieve our NMSA module handle."""
nmsa_ns = "http://netconf.adelielinux.org/ns/netmgmt"
nmsa = MODMAN._module_for_ns(nmsa_ns) # pylint: disable=W0212
return nmsa
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