def encodeLength(self, length, defMode):
if not defMode and self.supportIndefLenMode:
return (0x80,)
if length < 0x80:
return length,
else:
substrate = ()
while length:
substrate = (length & 0xff,) + substrate
length >>= 8
substrateLen = len(substrate)
if substrateLen > 126:
raise error.PyAsn1Error('Length octets overflow (%d)' % substrateLen)
return (0x80 | substrateLen,) + substrate
def __init__(self, *args, **kwargs):
self.__names = {}
self.__numbers = {}
anonymousNames = []
for namedValue in args:
if isinstance(namedValue, (tuple, list)):
try:
name, number = namedValue
except ValueError:
raise error.PyAsn1Error('Not a proper attribute-value pair %r' % (namedValue,))
else:
anonymousNames.append(namedValue)
continue
if name in self.__names:
raise error.PyAsn1Error('Duplicate name %s' % (name,))
if number in self.__numbers:
raise error.PyAsn1Error('Duplicate number %s=%s' % (name, number))
self.__names[name] = number
self.__numbers[number] = name
for name, number in kwargs.items():
if name in self.__names:
raise error.PyAsn1Error('Duplicate name %s' % (name,))
if number in self.__numbers:
raise error.PyAsn1Error('Duplicate number %s=%s' % (name, number))
self.__names[name] = number
self.__numbers[number] = name
if anonymousNames:
number = self.__numbers and max(self.__numbers) + 1 or 0
for name in anonymousNames:
if name in self.__names:
raise error.PyAsn1Error('Duplicate name %s' % (name,))
self.__names[name] = number
self.__numbers[number] = name
number += 1
def valueDecoder(self, fullSubstrate, substrate, asn1Spec, tagSet,
length, state, decodeFun, substrateFun):
head, tail = substrate[:length], substrate[length:]
asn1Object = self._createComponent(asn1Spec, tagSet)
if substrateFun:
return substrateFun(asn1Object, substrate, length)
namedTypes = asn1Object.componentType
if not self.orderedComponents or not namedTypes or namedTypes.hasOptionalOrDefault:
seenIndices = set()
idx = 0
while head:
asn1Spec = self._getComponentTagMap(asn1Object, idx)
component, head = decodeFun(head, asn1Spec)
idx = self._getComponentPositionByType(
asn1Object, component.effectiveTagSet, idx
)
asn1Object.setComponentByPosition(
idx, component,
verifyConstraints=False,
matchTags=False, matchConstraints=False
)
seenIndices.add(idx)
idx += 1
if namedTypes and not namedTypes.requiredComponents.issubset(seenIndices):
raise error.PyAsn1Error('ASN.1 object %s has uninitialized components' % asn1Object.__class__.__name__)
else:
for idx, asn1Spec in enumerate(namedTypes.values()):
component, head = decodeFun(head, asn1Spec)
asn1Object.setComponentByPosition(
idx, component,
verifyConstraints=False,
matchTags=False, matchConstraints=False
)
if not namedTypes:
asn1Object.verifySizeSpec()
return asn1Object, tail
def indefLenValueDecoder(self, fullSubstrate, substrate, asn1Spec, tagSet,
length, state, decodeFun, substrateFun):
r = self._createComponent(asn1Spec, tagSet)
if substrateFun:
return substrateFun(r, substrate, length)
if r.getTagSet() == tagSet: # explicitly tagged Choice
component, substrate = decodeFun(substrate, r.getComponentTagMap())
eooMarker, substrate = decodeFun(substrate) # eat up EOO marker
if not eoo.endOfOctets.isSameTypeWith(eooMarker) or \
eooMarker != eoo.endOfOctets:
raise error.PyAsn1Error('No EOO seen before substrate ends')
else:
component, substrate = decodeFun(substrate, r.getComponentTagMap(),
tagSet, length, state)
if isinstance(component, univ.Choice):
effectiveTagSet = component.getEffectiveTagSet()
else:
effectiveTagSet = component.getTagSet()
r.setComponentByType(effectiveTagSet, component, 0, asn1Spec is None)
return r, substrate
def fromBinaryString(self, value):
bitNo = 8
byte = 0
r = ()
for v in value:
if bitNo:
bitNo = bitNo - 1
else:
bitNo = 7
r = r + (byte, )
byte = 0
if v == '0':
v = 0
elif v == '1':
v = 1
else:
raise error.PyAsn1Error(
'Non-binary OCTET STRING initializer %s' % (v, ))
byte = byte | (v << bitNo)
return octets.ints2octs(r + (byte, ))
def encodeValue(self, value, asn1Spec, encodeFun, **options):
if asn1Spec is None:
component = value.getComponent()
else:
names = [
namedType.name
for namedType in asn1Spec.componentType.namedTypes
if namedType.name in value
]
if len(names) != 1:
raise error.PyAsn1Error(
'%s components for Choice at %r' %
(len(names) and 'Multiple ' or 'None ', value))
name = names[0]
component = value[name]
asn1Spec = asn1Spec[name]
return encodeFun(component, asn1Spec, **options), True, True
def setComponentByPosition(self, idx, value=None):
l = len(self._componentValues)
if idx >= l:
self._componentValues = self._componentValues + (idx - l +
1) * [None]
if value is None:
if self._componentValues[idx] is None:
self._componentValues[
idx] = self._componentType.getTypeByPosition(idx).clone()
return self
elif type(value) != types.InstanceType:
t = self._componentType.getTypeByPosition(idx)
if isinstance(t, base.AbstractSimpleAsn1Item):
value = t.clone(value=value)
else:
raise error.PyAsn1Error('Instance value required')
if self._componentType:
self._verifyComponent(idx, value)
self._verifySubtypeSpec(value, idx)
self._componentValues[idx] = value
return self
def __call__(self, value, **options):
if debug.logger & debug.flagEncoder:
logger = debug.logger
else:
logger = None
if logger:
logger('encoder called in %sdef mode, chunk size %s for type %s, value:\n%s' % (not options.get('defMode', True) and 'in' or '', options.get('maxChunkSize', 0), value.prettyPrintType(), value.prettyPrint()))
if self.fixedDefLengthMode is not None:
options.update(defMode=self.fixedDefLengthMode)
if self.fixedChunkSize is not None:
options.update(maxChunkSize=self.fixedChunkSize)
tagSet = value.tagSet
try:
concreteEncoder = self.__typeMap[value.typeId]
except KeyError:
# use base type for codec lookup to recover untagged types
baseTagSet = tag.TagSet(value.tagSet.baseTag, value.tagSet.baseTag)
try:
concreteEncoder = self.__tagMap[baseTagSet]
except KeyError:
raise error.PyAsn1Error('No encoder for %s' % (value,))
if logger:
logger('using value codec %s chosen by %s' % (concreteEncoder.__class__.__name__, tagSet))
substrate = concreteEncoder.encode(value, self, **options)
if logger:
logger('codec %s built %s octets of substrate: %s\nencoder completed' % (concreteEncoder, len(substrate), debug.hexdump(substrate)))
return substrate
def getPositionByName(self, name):
"""Return field position by filed name.
Parameters
----------
name: :py:class:`str`
Field name
Returns
-------
: :py:class:`int`
Field position in fields set
Raises
------
: :class:`~pyasn1.error.PyAsn1Error`
If *name* is not present or not unique within callee *NamedTypes*
"""
try:
return self.__nameToPosMap[name]
except KeyError:
raise error.PyAsn1Error('Name %s not found' % (name, ))
def getNameByPosition(self, idx):
"""Return field name by its position in fields set.
Parameters
----------
idx: :py:class:`idx`
Field index
Returns
-------
: :py:class:`str`
Field name
Raises
------
: :class:`~pyasn1.error.PyAsn1Error`
If given field name is not present in callee *NamedTypes*
"""
try:
return self.__namedTypes[idx].name
except IndexError:
raise error.PyAsn1Error('Type position out of range')
def getPositionByType(self, tagSet):
"""Return field position by its ASN.1 type.
Parameters
----------
tagSet: :class:`~pysnmp.type.tag.TagSet`
ASN.1 tag set distinguishing one ASN.1 type from others.
Returns
-------
: :py:class:`int`
ASN.1 type position in fields set
Raises
------
: :class:`~pyasn1.error.PyAsn1Error`
If *tagSet* is not present or ASN.1 types are not unique within callee *NamedTypes*
"""
try:
return self.__tagToPosMap[tagSet]
except KeyError:
raise error.PyAsn1Error('Type %s not found' % (tagSet, ))
def getTypeByPosition(self, idx):
"""Return ASN.1 type object by its position in fields set.
Parameters
----------
idx: :py:class:`int`
Field index
Returns
-------
:
ASN.1 type
Raises
------
: :class:`~pyasn1.error.PyAsn1Error`
If given position is out of fields range
"""
try:
return self.__namedTypes[idx].asn1Object
except IndexError:
raise error.PyAsn1Error('Type position out of range')
def tagExplicitly(self, superTag):
"""Return explicitly tagged *TagSet*
Create a new *TagSet* representing callee *TagSet* explicitly tagged
with passed tag(s). With explicit tagging mode, new tags are appended
to existing tag(s).
Parameters
----------
superTag: :class:`~pyasn1.type.tag.Tag`
*Tag* object to tag this *TagSet*
Returns
-------
: :class:`~pyasn1.type.tag.TagSet`
New *TagSet* object
"""
if superTag.tagClass == tagClassUniversal:
raise error.PyAsn1Error("Can't tag with UNIVERSAL class tag")
if superTag.tagFormat != tagFormatConstructed:
superTag = Tag(superTag.tagClass, tagFormatConstructed,
superTag.tagId)
return self + superTag
def indefLenValueDecoder(self, fullSubstrate, substrate, asn1Spec, tagSet,
length, state, decodeFun, substrateFun):
asn1Object = self._createComponent(asn1Spec, tagSet)
if substrateFun:
return substrateFun(asn1Object, substrate, length)
if asn1Object.tagSet == tagSet: # explicitly tagged Choice
component, substrate = decodeFun(substrate, asn1Object.componentType.tagMapUnique)
# eat up EOO marker
eooMarker, substrate = decodeFun(substrate, allowEoo=True)
if eooMarker is not eoo.endOfOctets:
raise error.PyAsn1Error('No EOO seen before substrate ends')
else:
component, substrate = decodeFun(
substrate, asn1Object.componentType.tagMapUnique, tagSet, length, state
)
effectiveTagSet = component.effectiveTagSet
asn1Object.setComponentByType(
effectiveTagSet, component,
verifyConstraints=False,
matchTags=False, matchConstraints=False,
innerFlag=False
)
return asn1Object, substrate
def __computeTagMaps(self, unique):
presentTypes = {}
skipTypes = {}
defaultType = None
for namedType in self.__namedTypes:
tagMap = namedType.asn1Object.tagMap
if isinstance(tagMap, NamedTypes.PostponedError):
return tagMap
for tagSet in tagMap:
if unique and tagSet in presentTypes:
return NamedTypes.PostponedError(
'Non-unique tagSet %s of %s at %s' %
(tagSet, namedType, self))
presentTypes[tagSet] = namedType.asn1Object
skipTypes.update(tagMap.skipTypes)
if defaultType is None:
defaultType = tagMap.defaultType
elif tagMap.defaultType is not None:
raise error.PyAsn1Error('Duplicate default ASN.1 type at %s' %
(self, ))
return tagmap.TagMap(presentTypes, skipTypes, defaultType)
def plug(self, *args, **kw):
raise error.PyAsn1Error(
'Uninitialized ASN.1 value ("%s" attribute looked up)'
% name)
def encodeValue(self, encodeFun, value, defMode, maxChunkSize):
if value.isPlusInfinity():
return int2oct(0x40), 0
if value.isMinusInfinity():
return int2oct(0x41), 0
m, b, e = value
if not m:
return null, 0
if b == 10:
return str2octs('\x03%dE%s%d' % (m, e == 0 and '+' or '', e)), 0
elif b == 2:
fo = 0x80 # binary encoding
ms, m, encbase, e = self._chooseEncBase(value)
if ms < 0: # mantissa sign
fo = fo | 0x40 # sign bit
# exponenta & mantissa normalization
if encbase == 2:
while m & 0x1 == 0:
m >>= 1
e += 1
elif encbase == 8:
while m & 0x7 == 0:
m >>= 3
e += 1
fo |= 0x10
else: # encbase = 16
while m & 0xf == 0:
m >>= 4
e += 1
fo |= 0x20
sf = 0 # scale factor
while m & 0x1 == 0:
m >>= 1
sf += 1
if sf > 3:
raise error.PyAsn1Error(
'Scale factor overflow') # bug if raised
fo |= sf << 2
eo = null
if e == 0 or e == -1:
eo = int2oct(e & 0xff)
else:
while e not in (0, -1):
eo = int2oct(e & 0xff) + eo
e >>= 8
if e == 0 and eo and oct2int(eo[0]) & 0x80:
eo = int2oct(0) + eo
if e == -1 and eo and not (oct2int(eo[0]) & 0x80):
eo = int2oct(0xff) + eo
n = len(eo)
if n > 0xff:
raise error.PyAsn1Error('Real exponent overflow')
if n == 1:
pass
elif n == 2:
fo |= 1
elif n == 3:
fo |= 2
else:
fo |= 3
eo = int2oct(n & 0xff) + eo
po = null
while m:
po = int2oct(m & 0xff) + po
m >>= 8
substrate = int2oct(fo) + eo + po
return substrate, 0
else:
raise error.PyAsn1Error('Prohibited Real base %s' % b)
def asDateTime(self):
"""Create :py:class:`datetime.datetime` object from a |ASN.1| object.
Returns
-------
:
new instance of :py:class:`datetime.datetime` object
"""
text = str(self)
if text.endswith('Z'):
tzinfo = TimeMixIn.UTC
text = text[:-1]
elif '-' in text or '+' in text:
if '+' in text:
text, plusminus, tz = text.partition('+')
else:
text, plusminus, tz = text.partition('-')
if self._shortTZ and len(tz) == 2:
tz += '00'
if len(tz) != 4:
raise error.PyAsn1Error('malformed time zone offset %s' % tz)
try:
minutes = int(tz[:2]) * 60 + int(tz[2:])
if plusminus == '-':
minutes *= -1
except ValueError:
raise error.PyAsn1Error('unknown time specification %s' % self)
tzinfo = TimeMixIn.FixedOffset(minutes, '?')
else:
tzinfo = None
if '.' in text or ',' in text:
if '.' in text:
text, _, ms = text.partition('.')
else:
text, _, ms = text.partition(',')
try:
ms = int(ms) * 1000
except ValueError:
raise error.PyAsn1Error(
'bad sub-second time specification %s' % self)
else:
ms = 0
if self._optionalMinutes and len(text) - self._yearsDigits == 6:
text += '0000'
elif len(text) - self._yearsDigits == 8:
text += '00'
try:
dt = datetime.datetime.strptime(
text, self._yearsDigits == 4 and '%Y%m%d%H%M%S'
or '%y%m%d%H%M%S')
except ValueError:
raise error.PyAsn1Error('malformed datetime format %s' % self)
return dt.replace(microsecond=ms, tzinfo=tzinfo)
def encode(self, value, asn1Spec=None, encodeFun=None, **options):
if asn1Spec is None:
tagSet = value.tagSet
else:
tagSet = asn1Spec.tagSet
# untagged item?
if not tagSet:
substrate, isConstructed, isOctets = self.encodeValue(
value, asn1Spec, encodeFun, **options)
return substrate
defMode = options.get('defMode', True)
substrate = null
for idx, singleTag in enumerate(tagSet.superTags):
defModeOverride = defMode
# base tag?
if not idx:
try:
substrate, isConstructed, isOctets = self.encodeValue(
value, asn1Spec, encodeFun, **options)
except error.PyAsn1Error:
exc = sys.exc_info()
raise error.PyAsn1Error('Error encoding %r: %s' %
(value, exc[1]))
if LOG:
LOG('encoded %svalue %s into %s' %
(isConstructed and 'constructed '
or '', value, substrate))
if not substrate and isConstructed and options.get(
'ifNotEmpty', False):
return substrate
if not isConstructed:
defModeOverride = True
if LOG:
LOG('overridden encoding mode into definitive for primitive type'
)
header = self.encodeTag(singleTag, isConstructed)
if LOG:
LOG('encoded %stag %s into %s' %
(isConstructed and 'constructed '
or '', singleTag, debug.hexdump(ints2octs(header))))
header += self.encodeLength(len(substrate), defModeOverride)
if LOG:
LOG('encoded %s octets (tag + payload) into %s' %
(len(substrate), debug.hexdump(ints2octs(header))))
if isOctets:
substrate = ints2octs(header) + substrate
if not defModeOverride:
substrate += self.eooOctetsSubstrate
else:
substrate = header + substrate
if not defModeOverride:
substrate += self.eooIntegerSubstrate
if not isOctets:
substrate = ints2octs(substrate)
return substrate
def encodeValue(self, value, asn1Spec, encodeFun, **options):
raise error.PyAsn1Error('Not implemented')
def __getattr__(self, attr):
if attr in self.skipMethods:
raise AttributeError('attribute %s not present' % attr)
raise error.PyAsn1Error('No value for "%s"' % attr)
def encodeValue(self, value, asn1Spec, encodeFun, **options):
substrate = null
omitEmptyOptionals = options.get('omitEmptyOptionals',
self.omitEmptyOptionals)
if LOG:
LOG('%sencoding empty OPTIONAL components' %
(omitEmptyOptionals and 'not ' or ''))
if asn1Spec is None:
# instance of ASN.1 schema
inconsistency = value.isInconsistent
if inconsistency:
raise inconsistency
namedTypes = value.componentType
for idx, component in enumerate(value.values()):
if namedTypes:
namedType = namedTypes[idx]
if namedType.isOptional and not component.isValue:
if LOG:
LOG('not encoding OPTIONAL component %r' %
(namedType, ))
continue
if namedType.isDefaulted and component == namedType.asn1Object:
if LOG:
LOG('not encoding DEFAULT component %r' %
(namedType, ))
continue
if omitEmptyOptionals:
options.update(ifNotEmpty=namedType.isOptional)
# wrap open type blob if needed
if namedTypes and namedType.openType:
wrapType = namedType.asn1Object
if wrapType.typeId in (univ.SetOf.typeId,
univ.SequenceOf.typeId):
substrate += encodeFun(
component, asn1Spec,
**dict(options, wrapType=wrapType.componentType))
else:
chunk = encodeFun(component, asn1Spec, **options)
if wrapType.isSameTypeWith(component):
substrate += chunk
else:
substrate += encodeFun(chunk, wrapType, **options)
if LOG:
LOG('wrapped with wrap type %r' % (wrapType, ))
else:
substrate += encodeFun(component, asn1Spec, **options)
else:
# bare Python value + ASN.1 schema
for idx, namedType in enumerate(asn1Spec.componentType.namedTypes):
try:
component = value[namedType.name]
except KeyError:
raise error.PyAsn1Error(
'Component name "%s" not found in %r' %
(namedType.name, value))
if namedType.isOptional and namedType.name not in value:
if LOG:
LOG('not encoding OPTIONAL component %r' %
(namedType, ))
continue
if namedType.isDefaulted and component == namedType.asn1Object:
if LOG:
LOG('not encoding DEFAULT component %r' %
(namedType, ))
continue
if omitEmptyOptionals:
options.update(ifNotEmpty=namedType.isOptional)
componentSpec = namedType.asn1Object
# wrap open type blob if needed
if namedType.openType:
if componentSpec.typeId in (univ.SetOf.typeId,
univ.SequenceOf.typeId):
substrate += encodeFun(
component, componentSpec,
**dict(options,
wrapType=componentSpec.componentType))
else:
chunk = encodeFun(component, componentSpec, **options)
if componentSpec.isSameTypeWith(component):
substrate += chunk
else:
substrate += encodeFun(chunk, componentSpec,
**options)
if LOG:
LOG('wrapped with wrap type %r' %
(componentSpec, ))
else:
substrate += encodeFun(component, componentSpec, **options)
return substrate, True, True
def encodeValue(self, value, asn1Spec, encodeFun, **options):
if asn1Spec is not None:
value = asn1Spec.clone(value)
if value.isPlusInf:
return (0x40, ), False, False
if value.isMinusInf:
return (0x41, ), False, False
m, b, e = value
if not m:
return null, False, True
if b == 10:
if LOG:
LOG('encoding REAL into character form')
return str2octs('\x03%dE%s%d' %
(m, e == 0 and '+' or '', e)), False, True
elif b == 2:
fo = 0x80 # binary encoding
ms, m, encbase, e = self._chooseEncBase(value)
if ms < 0: # mantissa sign
fo |= 0x40 # sign bit
# exponent & mantissa normalization
if encbase == 2:
while m & 0x1 == 0:
m >>= 1
e += 1
elif encbase == 8:
while m & 0x7 == 0:
m >>= 3
e += 1
fo |= 0x10
else: # encbase = 16
while m & 0xf == 0:
m >>= 4
e += 1
fo |= 0x20
sf = 0 # scale factor
while m & 0x1 == 0:
m >>= 1
sf += 1
if sf > 3:
raise error.PyAsn1Error(
'Scale factor overflow') # bug if raised
fo |= sf << 2
eo = null
if e == 0 or e == -1:
eo = int2oct(e & 0xff)
else:
while e not in (0, -1):
eo = int2oct(e & 0xff) + eo
e >>= 8
if e == 0 and eo and oct2int(eo[0]) & 0x80:
eo = int2oct(0) + eo
if e == -1 and eo and not (oct2int(eo[0]) & 0x80):
eo = int2oct(0xff) + eo
n = len(eo)
if n > 0xff:
raise error.PyAsn1Error('Real exponent overflow')
if n == 1:
pass
elif n == 2:
fo |= 1
elif n == 3:
fo |= 2
else:
fo |= 3
eo = int2oct(n & 0xff) + eo
po = null
while m:
po = int2oct(m & 0xff) + po
m >>= 8
substrate = int2oct(fo) + eo + po
return substrate, False, True
else:
raise error.PyAsn1Error('Prohibited Real base %s' % b)
def __call__(self, value, asn1Spec=None, **options):
try:
if asn1Spec is None:
typeId = value.typeId
else:
typeId = asn1Spec.typeId
except AttributeError:
raise error.PyAsn1Error('Value %r is not ASN.1 type instance '
'and "asn1Spec" not given' % (value, ))
if debug.logger & debug.flagEncoder:
logger = debug.logger
else:
logger = None
if logger:
logger('encoder called in %sdef mode, chunk size %s for '
'type %s, value:\n%s' %
(not options.get('defMode', True) and 'in'
or '', options.get('maxChunkSize', 0),
asn1Spec is None and value.prettyPrintType()
or asn1Spec.prettyPrintType(), value))
if self.fixedDefLengthMode is not None:
options.update(defMode=self.fixedDefLengthMode)
if self.fixedChunkSize is not None:
options.update(maxChunkSize=self.fixedChunkSize)
try:
concreteEncoder = self.__typeMap[typeId]
if logger:
logger('using value codec %s chosen by type ID %s' %
(concreteEncoder.__class__.__name__, typeId))
except KeyError:
if asn1Spec is None:
tagSet = value.tagSet
else:
tagSet = asn1Spec.tagSet
# use base type for codec lookup to recover untagged types
baseTagSet = tag.TagSet(tagSet.baseTag, tagSet.baseTag)
try:
concreteEncoder = self.__tagMap[baseTagSet]
except KeyError:
raise error.PyAsn1Error('No encoder for %r (%s)' %
(value, tagSet))
if logger:
logger('using value codec %s chosen by tagSet %s' %
(concreteEncoder.__class__.__name__, tagSet))
substrate = concreteEncoder.encode(value, asn1Spec, self, **options)
if logger:
logger(
'codec %s built %s octets of substrate: %s\nencoder completed'
% (concreteEncoder, len(substrate), debug.hexdump(substrate)))
return substrate
def encodeValue(self, value, asn1Spec, encodeFun, **options):
substrate = null
if asn1Spec is None:
# instance of ASN.1 schema
value.verifySizeSpec()
namedTypes = value.componentType
for idx, component in enumerate(value.values()):
if namedTypes:
namedType = namedTypes[idx]
if namedType.isOptional and not component.isValue:
continue
if namedType.isDefaulted and component == namedType.asn1Object:
continue
if self.omitEmptyOptionals:
options.update(ifNotEmpty=namedType.isOptional)
chunk = encodeFun(component, asn1Spec, **options)
# wrap open type blob if needed
if namedTypes and namedType.openType:
wrapType = namedType.asn1Object
if wrapType.tagSet and not wrapType.isSameTypeWith(
component):
chunk = encodeFun(chunk, wrapType, **options)
substrate += chunk
else:
# bare Python value + ASN.1 schema
for idx, namedType in enumerate(asn1Spec.componentType.namedTypes):
try:
component = value[namedType.name]
except KeyError:
raise error.PyAsn1Error(
'Component name "%s" not found in %r' %
(namedType.name, value))
if namedType.isOptional and namedType.name not in value:
continue
if namedType.isDefaulted and component == namedType.asn1Object:
continue
if self.omitEmptyOptionals:
options.update(ifNotEmpty=namedType.isOptional)
chunk = encodeFun(component, asn1Spec[idx], **options)
# wrap open type blob if needed
if namedType.openType:
wrapType = namedType.asn1Object
if wrapType.tagSet and not wrapType.isSameTypeWith(
component):
chunk = encodeFun(chunk, wrapType, **options)
substrate += chunk
return substrate, True, True
def setComponentByPosition(self, idx, value, verifyConstraints=True):
raise error.PyAsn1Error('Method not implemented')
def getComponentByPosition(self, idx):
raise error.PyAsn1Error('Method not implemented')
def __getattr__(self, attr):
raise error.PyAsn1Error('No value for %s()' % attr)
def componentTagMap(self):
raise error.PyAsn1Error('Method not implemented')
def __getitem__(self, i):
raise error.PyAsn1Error('No value')
