def test_to_string(self):
for known_string, known_encoding in self.examples:
obj = ObjectIdentifier(known_encoding)
string = str(obj)
print(known_string, binascii.hexlify(known_encoding), string)
self.assertEqual(known_string, string)
with self.assertRaises(AssertionError):
ObjectIdentifier.from_string('3.0')
with self.assertRaises(AssertionError):
ObjectIdentifier.from_string('1.41')
def from_oid(cls, oid=None):
if oid is None:
oid = snmp.mib.system
if isinstance(oid, str):
oid = ObjectIdentifier.from_string(oid)
if isinstance(oid, ObjectIdentifier):
oid = oid.get_object()
else:
assert isinstance(oid, Object)
assert isinstance(oid.value, ObjectIdentifier)
variable_bindings = Sequence.from_list([Sequence.from_list([oid, Null().get_object()])])
return cls(variable_bindings=variable_bindings)
def from_oid(cls, oid=None):
if oid is None:
oid = snmp.mib.system
if isinstance(oid, str):
oid = ObjectIdentifier.from_string(oid)
if isinstance(oid, ObjectIdentifier):
oid = oid.get_object()
else:
assert isinstance(oid, Object)
assert isinstance(oid.value, ObjectIdentifier)
variable_bindings = Sequence.from_list([Sequence.from_list([oid, Null().get_object()])])
return cls(variable_bindings=variable_bindings)
def test_from_string(self):
for known_string, known_encoding in self.examples:
print(known_string, binascii.hexlify(known_encoding))
obj = ObjectIdentifier.from_string(known_string)
encoding = bytes(obj)
self.assertEqual(known_encoding, encoding)
from ber.object import ObjectIdentifier
# 1 - ISO assigned OIDs
# 1.3 - ISO Identified Organization
# 1.3.6 - US Department of Defense
# 1.3.6.1 - OID assignments from 1.3.6.1 - Internet
# 1.3.6.1.2 - IETF Management
# 1.3.6.1.2.1 - SNMP MIB-2
system = ObjectIdentifier.from_string('1.3.6.1.2.1')
