def setValue(self, value, name, idx):
if value is None:
value = univ.noValue
try:
if hasattr(self.syntax, 'setValue'):
return self.syntax.setValue(value)
else:
return self.syntax.clone(value)
except PyAsn1Error:
exc_t, exc_v, exc_tb = sys.exc_info()
debug.logger & debug.flagIns and debug.logger('setValue: %s=%r failed with traceback %s' % (
self.name, value, traceback.format_exception(exc_t, exc_v, exc_tb)))
if isinstance(exc_v, error.TableRowManagement):
raise exc_v
else:
raise error.WrongValueError(idx=idx, name=name, msg=exc_v)
#
# Subtree traversal
#
# Missing branches are indicated by the NoSuchInstanceError exception.
#
python类noValue()的实例源码
def clone(self, value=noValue, **kwargs):
"""Creates a copy of a |ASN.1| type or object.
Any parameters to the *clone()* method will replace corresponding
properties of the |ASN.1| object.
Parameters
----------
value: :class:`unicode`, :class:`str`, :class:`bytes` or |ASN.1| object
unicode object (Python 2) or string (Python 3), alternatively string
(Python 2) or bytes (Python 3) representing octet-stream of serialized
unicode string (note `encoding` parameter) or |ASN.1| class instance.
tagSet: :py:class:`~pyasn1.type.tag.TagSet`
Object representing non-default ASN.1 tag(s)
subtypeSpec: :py:class:`~pyasn1.type.constraint.ConstraintsIntersection`
Object representing non-default ASN.1 subtype constraint(s)
encoding: :py:class:`str`
Unicode codec ID to encode/decode :py:class:`unicode` (Python 2) or
:py:class:`str` (Python 3) the payload when |ASN.1| object is used
in octet-stream context.
Returns
-------
:
new instance of |ASN.1| type/value
"""
return univ.OctetString.clone(self, value, **kwargs)
def subtype(self, value=noValue, **kwargs):
"""Creates a copy of a |ASN.1| type or object.
Any parameters to the *subtype()* method will be added to the corresponding
properties of the |ASN.1| object.
Parameters
----------
value: :class:`unicode`, :class:`str`, :class:`bytes` or |ASN.1| object
unicode object (Python 2) or string (Python 3), alternatively string
(Python 2) or bytes (Python 3) representing octet-stream of serialized
unicode string (note `encoding` parameter) or |ASN.1| class instance.
implicitTag: :py:class:`~pyasn1.type.tag.Tag`
Implicitly apply given ASN.1 tag object to caller's
:py:class:`~pyasn1.type.tag.TagSet`, then use the result as
new object's ASN.1 tag(s).
explicitTag: :py:class:`~pyasn1.type.tag.Tag`
Explicitly apply given ASN.1 tag object to caller's
:py:class:`~pyasn1.type.tag.TagSet`, then use the result as
new object's ASN.1 tag(s).
subtypeSpec: :py:class:`~pyasn1.type.constraint.ConstraintsIntersection`
Object representing non-default ASN.1 subtype constraint(s)
encoding: :py:class:`str`
Unicode codec ID to encode/decode :py:class:`unicode` (Python 2) or
:py:class:`str` (Python 3) the payload when |ASN.1| object is used
in octet-stream context.
Returns
-------
:
new instance of |ASN.1| type/value
"""
return univ.OctetString.subtype(self, value, **kwargs)
def clone(self, value=noValue, **kwargs):
"""Creates a copy of a |ASN.1| type or object.
Any parameters to the *clone()* method will replace corresponding
properties of the |ASN.1| object.
Parameters
----------
value: :class:`unicode`, :class:`str`, :class:`bytes` or |ASN.1| object
unicode object (Python 2) or string (Python 3), alternatively string
(Python 2) or bytes (Python 3) representing octet-stream of serialized
unicode string (note `encoding` parameter) or |ASN.1| class instance.
tagSet: :py:class:`~pyasn1.type.tag.TagSet`
Object representing non-default ASN.1 tag(s)
subtypeSpec: :py:class:`~pyasn1.type.constraint.ConstraintsIntersection`
Object representing non-default ASN.1 subtype constraint(s)
encoding: :py:class:`str`
Unicode codec ID to encode/decode :py:class:`unicode` (Python 2) or
:py:class:`str` (Python 3) the payload when |ASN.1| object is used
in octet-stream context.
Returns
-------
:
new instance of |ASN.1| type/value
"""
return univ.OctetString.clone(self, value, **kwargs)
def subtype(self, value=noValue, **kwargs):
"""Creates a copy of a |ASN.1| type or object.
Any parameters to the *subtype()* method will be added to the corresponding
properties of the |ASN.1| object.
Parameters
----------
value: :class:`unicode`, :class:`str`, :class:`bytes` or |ASN.1| object
unicode object (Python 2) or string (Python 3), alternatively string
(Python 2) or bytes (Python 3) representing octet-stream of serialized
unicode string (note `encoding` parameter) or |ASN.1| class instance.
implicitTag: :py:class:`~pyasn1.type.tag.Tag`
Implicitly apply given ASN.1 tag object to caller's
:py:class:`~pyasn1.type.tag.TagSet`, then use the result as
new object's ASN.1 tag(s).
explicitTag: :py:class:`~pyasn1.type.tag.Tag`
Explicitly apply given ASN.1 tag object to caller's
:py:class:`~pyasn1.type.tag.TagSet`, then use the result as
new object's ASN.1 tag(s).
subtypeSpec: :py:class:`~pyasn1.type.constraint.ConstraintsIntersection`
Object representing non-default ASN.1 subtype constraint(s)
encoding: :py:class:`str`
Unicode codec ID to encode/decode :py:class:`unicode` (Python 2) or
:py:class:`str` (Python 3) the payload when |ASN.1| object is used
in octet-stream context.
Returns
-------
:
new instance of |ASN.1| type/value
"""
return univ.OctetString.subtype(self, value, **kwargs)
def clone(self, value=noValue, tagSet=None, subtypeSpec=None,
encoding=None, binValue=noValue, hexValue=noValue):
"""Creates a copy of a |ASN.1| type or object.
Any parameters to the *clone()* method will replace corresponding
properties of the |ASN.1| object.
Parameters
----------
value: :class:`unicode`, :class:`str`, :class:`bytes` or |ASN.1| object
unicode object (Python 2) or string (Python 3), alternatively string
(Python 2) or bytes (Python 3) representing octet-stream of serialized
unicode string (note `encoding` parameter) or |ASN.1| class instance.
tagSet: :py:class:`~pyasn1.type.tag.TagSet`
Object representing non-default ASN.1 tag(s)
subtypeSpec: :py:class:`~pyasn1.type.constraint.ConstraintsIntersection`
Object representing non-default ASN.1 subtype constraint(s)
encoding: :py:class:`str`
Unicode codec ID to encode/decode :py:class:`unicode` (Python 2) or
:py:class:`str` (Python 3) the payload when |ASN.1| object is used
in octet-stream context.
Returns
-------
:
new instance of |ASN.1| type/value
"""
return univ.OctetString.clone(self, value, tagSet, subtypeSpec, encoding, binValue, hexValue)
def subtype(self, value=noValue, implicitTag=None, explicitTag=None,
subtypeSpec=None, encoding=None, binValue=noValue, hexValue=noValue):
"""Creates a copy of a |ASN.1| type or object.
Any parameters to the *subtype()* method will be added to the corresponding
properties of the |ASN.1| object.
Parameters
----------
value: :class:`unicode`, :class:`str`, :class:`bytes` or |ASN.1| object
unicode object (Python 2) or string (Python 3), alternatively string
(Python 2) or bytes (Python 3) representing octet-stream of serialized
unicode string (note `encoding` parameter) or |ASN.1| class instance.
implicitTag: :py:class:`~pyasn1.type.tag.Tag`
Implicitly apply given ASN.1 tag object to caller's
:py:class:`~pyasn1.type.tag.TagSet`, then use the result as
new object's ASN.1 tag(s).
explicitTag: :py:class:`~pyasn1.type.tag.Tag`
Explicitly apply given ASN.1 tag object to caller's
:py:class:`~pyasn1.type.tag.TagSet`, then use the result as
new object's ASN.1 tag(s).
subtypeSpec: :py:class:`~pyasn1.type.constraint.ConstraintsIntersection`
Object representing non-default ASN.1 subtype constraint(s)
encoding: :py:class:`str`
Unicode codec ID to encode/decode :py:class:`unicode` (Python 2) or
:py:class:`str` (Python 3) the payload when |ASN.1| object is used
in octet-stream context.
Returns
-------
:
new instance of |ASN.1| type/value
"""
return univ.OctetString.subtype(self, value, implicitTag, explicitTag, subtypeSpec, encoding, binValue, hexValue)
def setValue(self, value):
if value is None:
value = univ.noValue
return self.clone(value)
def setValue(self, value):
if value is not None:
if value != self:
raise InconsistentValueError()
value += 1
if value > 2147483646:
value = 0
if value is None:
value = univ.noValue
return self.clone(value)
def setValue(self, value):
if value is None:
value = univ.noValue
value = self.clone(value)
# Run through states transition matrix,
# resolve new instance value
excValue, newState = self.stateMatrix.get(
(value.hasValue() and value or self.stNotExists,
self.hasValue() and self or self.stNotExists),
(MibOperationError, None)
)
if newState is None:
newState = univ.noValue
newState = self.clone(newState)
debug.logger & debug.flagIns and debug.logger(
'RowStatus state change from %r to %r produced new state %r, error indication %r' % (
self, value, newState, excValue))
if excValue is not None:
excValue = excValue(
msg='Exception at row state transition from %r to %r yields state %r and exception' % (
self, value, newState), syntax=newState
)
raise excValue
return newState
def clone(self, value=univ.noValue, **kwargs):
"""Clone this instance.
If *value* is specified, use its tag as the component type selector,
and itself as the component value.
:param value: (Optional) the component value.
:type value: :py:obj:`pyasn1.type.base.Asn1ItemBase`
:return: the cloned instance.
:rtype: :py:obj:`pysnmp.proto.rfc1155.NetworkAddress`
:raise: :py:obj:`pysnmp.smi.error.SmiError`:
if the type of *value* is not allowed for this Choice instance.
"""
cloned = univ.Choice.clone(self, **kwargs)
if value is not univ.noValue:
if isinstance(value, NetworkAddress):
value = value.getComponent()
elif not isinstance(value, IpAddress):
# IpAddress is the only supported type, perhaps forever because
# this is SNMPv1.
value = IpAddress(value)
try:
tagSet = value.tagSet
except AttributeError:
raise PyAsn1Error('component value %r has no tag set' % (value,))
cloned.setComponentByType(tagSet, value)
return cloned
# RFC 1212, section 4.1.6:
#
# "(5) NetworkAddress-valued: `n+1' sub-identifiers, where `n'
# depends on the kind of address being encoded (the first
# sub-identifier indicates the kind of address, value 1
# indicates an IpAddress);"
def clone(self, value=noValue, **kwargs):
"""Creates a copy of a |ASN.1| type or object.
Any parameters to the *clone()* method will replace corresponding
properties of the |ASN.1| object.
Parameters
----------
value: :class:`unicode`, :class:`str`, :class:`bytes` or |ASN.1| object
unicode object (Python 2) or string (Python 3), alternatively string
(Python 2) or bytes (Python 3) representing octet-stream of serialized
unicode string (note `encoding` parameter) or |ASN.1| class instance.
tagSet: :py:class:`~pyasn1.type.tag.TagSet`
Object representing non-default ASN.1 tag(s)
subtypeSpec: :py:class:`~pyasn1.type.constraint.ConstraintsIntersection`
Object representing non-default ASN.1 subtype constraint(s)
encoding: :py:class:`str`
Unicode codec ID to encode/decode :py:class:`unicode` (Python 2) or
:py:class:`str` (Python 3) the payload when |ASN.1| object is used
in octet-stream context.
Returns
-------
:
new instance of |ASN.1| type/value
"""
return univ.OctetString.clone(self, value, **kwargs)
def subtype(self, value=noValue, **kwargs):
"""Creates a copy of a |ASN.1| type or object.
Any parameters to the *subtype()* method will be added to the corresponding
properties of the |ASN.1| object.
Parameters
----------
value: :class:`unicode`, :class:`str`, :class:`bytes` or |ASN.1| object
unicode object (Python 2) or string (Python 3), alternatively string
(Python 2) or bytes (Python 3) representing octet-stream of serialized
unicode string (note `encoding` parameter) or |ASN.1| class instance.
implicitTag: :py:class:`~pyasn1.type.tag.Tag`
Implicitly apply given ASN.1 tag object to caller's
:py:class:`~pyasn1.type.tag.TagSet`, then use the result as
new object's ASN.1 tag(s).
explicitTag: :py:class:`~pyasn1.type.tag.Tag`
Explicitly apply given ASN.1 tag object to caller's
:py:class:`~pyasn1.type.tag.TagSet`, then use the result as
new object's ASN.1 tag(s).
subtypeSpec: :py:class:`~pyasn1.type.constraint.ConstraintsIntersection`
Object representing non-default ASN.1 subtype constraint(s)
encoding: :py:class:`str`
Unicode codec ID to encode/decode :py:class:`unicode` (Python 2) or
:py:class:`str` (Python 3) the payload when |ASN.1| object is used
in octet-stream context.
Returns
-------
:
new instance of |ASN.1| type/value
"""
return univ.OctetString.subtype(self, value, **kwargs)
def clone(self, value=noValue, tagSet=None, subtypeSpec=None,
encoding=None, binValue=noValue, hexValue=noValue):
"""Creates a copy of a |ASN.1| type or object.
Any parameters to the *clone()* method will replace corresponding
properties of the |ASN.1| object.
Parameters
----------
value: :class:`unicode`, :class:`str`, :class:`bytes` or |ASN.1| object
unicode object (Python 2) or string (Python 3), alternatively string
(Python 2) or bytes (Python 3) representing octet-stream of serialized
unicode string (note `encoding` parameter) or |ASN.1| class instance.
tagSet: :py:class:`~pyasn1.type.tag.TagSet`
Object representing non-default ASN.1 tag(s)
subtypeSpec: :py:class:`~pyasn1.type.constraint.ConstraintsIntersection`
Object representing non-default ASN.1 subtype constraint(s)
encoding: :py:class:`str`
Unicode codec ID to encode/decode :py:class:`unicode` (Python 2) or
:py:class:`str` (Python 3) the payload when |ASN.1| object is used
in octet-stream context.
Returns
-------
:
new instance of |ASN.1| type/value
"""
return univ.OctetString.clone(self, value, tagSet, subtypeSpec, encoding, binValue, hexValue)
def subtype(self, value=noValue, implicitTag=None, explicitTag=None,
subtypeSpec=None, encoding=None, binValue=noValue, hexValue=noValue):
"""Creates a copy of a |ASN.1| type or object.
Any parameters to the *subtype()* method will be added to the corresponding
properties of the |ASN.1| object.
Parameters
----------
value: :class:`unicode`, :class:`str`, :class:`bytes` or |ASN.1| object
unicode object (Python 2) or string (Python 3), alternatively string
(Python 2) or bytes (Python 3) representing octet-stream of serialized
unicode string (note `encoding` parameter) or |ASN.1| class instance.
implicitTag: :py:class:`~pyasn1.type.tag.Tag`
Implicitly apply given ASN.1 tag object to caller's
:py:class:`~pyasn1.type.tag.TagSet`, then use the result as
new object's ASN.1 tag(s).
explicitTag: :py:class:`~pyasn1.type.tag.Tag`
Explicitly apply given ASN.1 tag object to caller's
:py:class:`~pyasn1.type.tag.TagSet`, then use the result as
new object's ASN.1 tag(s).
subtypeSpec: :py:class:`~pyasn1.type.constraint.ConstraintsIntersection`
Object representing non-default ASN.1 subtype constraint(s)
encoding: :py:class:`str`
Unicode codec ID to encode/decode :py:class:`unicode` (Python 2) or
:py:class:`str` (Python 3) the payload when |ASN.1| object is used
in octet-stream context.
Returns
-------
:
new instance of |ASN.1| type/value
"""
return univ.OctetString.subtype(self, value, implicitTag, explicitTag, subtypeSpec, encoding, binValue, hexValue)
