3.13.0-107.154
) is not available, but a newer one is (3.13.0-166.216
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/usr/lib/python3/dist-packages/pysnmp/entity/rfc3413/context.py is in python3-pysnmp4 4.2.5-1.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 | # SNMP entity context
from pyasn1.type import univ
from pyasn1.compat.octets import null
from pysnmp import error
from pysnmp import debug
class SnmpContext:
def __init__(self, snmpEngine, contextEngineId=None):
snmpEngineId,= snmpEngine.msgAndPduDsp.mibInstrumController.mibBuilder.importSymbols('__SNMP-FRAMEWORK-MIB', 'snmpEngineID')
if contextEngineId is None:
# Default to local snmpEngineId
self.contextEngineId = snmpEngineId.syntax
else:
self.contextEngineId = snmpEngineId.syntax.clone(contextEngineId)
debug.logger & debug.flagIns and debug.logger('SnmpContext: contextEngineId \"%r\"' % (self.contextEngineId,))
self.contextNames = {
null: snmpEngine.msgAndPduDsp.mibInstrumController # Default name
}
def registerContextName(self, contextName, mibInstrum=None):
contextName = univ.OctetString(contextName).asOctets()
if contextName in self.contextNames:
raise error.PySnmpError(
'Duplicate contextName %s' % contextName
)
debug.logger & debug.flagIns and debug.logger('registerContextName: registered contextName %r, mibInstrum %r' % (contextName, mibInstrum))
if mibInstrum is None:
self.contextNames[contextName] = self.contextNames[null]
else:
self.contextNames[contextName] = mibInstrum
def unregisterContextName(self, contextName):
contextName = univ.OctetString(contextName).asOctets()
if contextName in self.contextNames:
debug.logger & debug.flagIns and debug.logger('unregisterContextName: unregistered contextName %r' % contextName)
del self.contextNames[contextName]
def getMibInstrum(self, contextName=null):
contextName = univ.OctetString(contextName).asOctets()
if contextName not in self.contextNames:
debug.logger & debug.flagIns and debug.logger('getMibInstrum: contextName %r not registered' % contextName)
raise error.PySnmpError(
'Missing contextName %s' % contextName
)
else:
debug.logger & debug.flagIns and debug.logger('getMibInstrum: contextName %r, mibInstum %r' % (contextName, self.contextNames[contextName]))
return self.contextNames[contextName]
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