Python pyasn1.debug.flagDecoder() Examples

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Example #1
Source File: decoder.py    From Safejumper-for-Desktop with GNU General Public License v2.0 4 votes vote down vote up 
def __call__(self, pyObject, asn1Spec):
        if debug.logger & debug.flagDecoder:
            debug.scope.push(type(pyObject).__name__)
            debug.logger('decoder called at scope %s, working with type %s' % (debug.scope, type(pyObject).__name__))

        if asn1Spec is None or not isinstance(asn1Spec, base.Asn1Item):
            raise error.PyAsn1Error('asn1Spec is not valid (should be an instance of an ASN.1 Item, not %s)' % asn1Spec.__class__.__name__)

        if asn1Spec.typeId is not None and asn1Spec.typeId in self.__typeMap:
            valueDecoder = self.__typeMap[asn1Spec.typeId]
        elif asn1Spec.tagSet.getBaseTag() in self.__tagMap:
            valueDecoder = self.__tagMap[asn1Spec.tagSet.getBaseTag()]
        else:
            raise error.PyAsn1Error('Unknown ASN.1 tag %s' % asn1Spec.tagSet)

        if debug.logger & debug.flagDecoder:
            debug.logger('calling decoder %s on Python type %s <%s>' % (type(valueDecoder).__name__, type(pyObject).__name__, repr(pyObject)))

        value = valueDecoder(pyObject, asn1Spec, self)

        if debug.logger & debug.flagDecoder:
            debug.logger('decoder %s produced ASN.1 type %s <%s>' % (type(valueDecoder).__name__, type(value).__name__, repr(value)))
            debug.scope.pop()

        return value


#: Turns Python objects of built-in types into ASN.1 objects.
#:
#: Takes Python objects of built-in types and turns them into a tree of
#: ASN.1 objects (e.g. :py:class:`~pyasn1.type.base.PyAsn1Item` derivative) which
#: may be a scalar or an arbitrary nested structure.
#:
#: Parameters
#: ----------
#: pyObject: :py:class:`object`
#:     A scalar or nested Python objects
#:
#: asn1Spec: any pyasn1 type object e.g. :py:class:`~pyasn1.type.base.PyAsn1Item` derivative
#:     A pyasn1 type object to act as a template guiding the decoder. It is required
#:     for successful interpretation of Python objects mapping into their ASN.1
#:     representations.
#:
#: Returns
#: -------
#: : :py:class:`~pyasn1.type.base.PyAsn1Item` derivative
#:     A scalar or constructed pyasn1 object
#:
#: Raises
#: ------
#: : :py:class:`pyasn1.error.PyAsn1Error`
#:     On decoding errors
Example #2
Source File: decoder.py    From aws-kube-codesuite with Apache License 2.0 4 votes vote down vote up 
def __call__(self, pyObject, asn1Spec, **options):
        if debug.logger & debug.flagDecoder:
            logger = debug.logger
        else:
            logger = None
        if logger:
            debug.scope.push(type(pyObject).__name__)
            logger('decoder called at scope %s, working with type %s' % (debug.scope, type(pyObject).__name__))

        if asn1Spec is None or not isinstance(asn1Spec, base.Asn1Item):
            raise error.PyAsn1Error('asn1Spec is not valid (should be an instance of an ASN.1 Item, not %s)' % asn1Spec.__class__.__name__)

        try:
            valueDecoder = self.__typeMap[asn1Spec.typeId]

        except KeyError:
            # use base type for codec lookup to recover untagged types
            baseTagSet = tag.TagSet(asn1Spec.tagSet.baseTag, asn1Spec.tagSet.baseTag)

            try:
                valueDecoder = self.__tagMap[baseTagSet]
            except KeyError:
                raise error.PyAsn1Error('Unknown ASN.1 tag %s' % asn1Spec.tagSet)

        if logger:
            logger('calling decoder %s on Python type %s <%s>' % (type(valueDecoder).__name__, type(pyObject).__name__, repr(pyObject)))

        value = valueDecoder(pyObject, asn1Spec, self, **options)

        if logger:
            logger('decoder %s produced ASN.1 type %s <%s>' % (type(valueDecoder).__name__, type(value).__name__, repr(value)))
            debug.scope.pop()

        return value


#: Turns Python objects of built-in types into ASN.1 objects.
#:
#: Takes Python objects of built-in types and turns them into a tree of
#: ASN.1 objects (e.g. :py:class:`~pyasn1.type.base.PyAsn1Item` derivative) which
#: may be a scalar or an arbitrary nested structure.
#:
#: Parameters
#: ----------
#: pyObject: :py:class:`object`
#:     A scalar or nested Python objects
#:
#: asn1Spec: any pyasn1 type object e.g. :py:class:`~pyasn1.type.base.PyAsn1Item` derivative
#:     A pyasn1 type object to act as a template guiding the decoder. It is required
#:     for successful interpretation of Python objects mapping into their ASN.1
#:     representations.
#:
#: Returns
#: -------
#: : :py:class:`~pyasn1.type.base.PyAsn1Item` derivative
#:     A scalar or constructed pyasn1 object
#:
#: Raises
#: ------
#: : :py:class:`pyasn1.error.PyAsn1Error`
#:     On decoding errors