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"""
PDU var-binds to MIB objects
++++++++++++++++++++++++++++
This script explains how Python application could turn SNMP PDU
variable-bindings into MIB objects or the other way around.
The code that configures MIB compiler is similar to what
happens inside the pysnmp.hlapi API.
""" #
from pysnmp.smi import builder, view, compiler, rfc1902
# Assemble MIB browser
mibBuilder = builder.MibBuilder()
mibViewController = view.MibViewController(mibBuilder)
compiler.add_mib_compiler(
mibBuilder,
sources=["file:///usr/share/snmp/mibs", "https://mibs.pysnmp.com/asn1/@mib@"],
)
# Pre-load MIB modules we expect to work with
mibBuilder.load_modules("SNMPv2-MIB", "SNMP-COMMUNITY-MIB")
# This is what we can get in TRAP PDU
varBinds = [
("1.3.6.1.2.1.1.3.0", 12345),
("1.3.6.1.6.3.1.1.4.1.0", "1.3.6.1.6.3.1.1.5.2"),
("1.3.6.1.6.3.18.1.3.0", "0.0.0.0"),
("1.3.6.1.6.3.18.1.4.0", ""),
("1.3.6.1.6.3.1.1.4.3.0", "1.3.6.1.4.1.20408.4.1.1.2"),
("1.3.6.1.2.1.1.1.0", "my system"),
]
# Run var-binds through MIB resolver
# You may want to catch and ignore resolution errors here
varBinds = [
rfc1902.ObjectType(rfc1902.ObjectIdentity(x[0]), x[1]).resolve_with_mib(
mibViewController
)
for x in varBinds
]
for varBind in varBinds:
print(varBind.prettyPrint())
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