Method encodeValue

pager_lib/pyasn1/codec/cer/encoder.py:164–232

(self, value, asn1Spec, encodeFun, **options)

            return asn1Spec.tagSet

    def encodeValue(self, value, asn1Spec, encodeFun, **options):

        substrate = b''

        comps = []
        compsMap = {}

        if asn1Spec is None:
            # instance of ASN.1 schema
            inconsistency = value.isInconsistent
            if inconsistency:
                raise error.PyAsn1Error(
                    f"ASN.1 object {value.__class__.__name__} is inconsistent")

            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

                    compsMap[id(component)] = namedType

                else:
                    compsMap[id(component)] = None

                comps.append((component, asn1Spec))

        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

                compsMap[id(component)] = namedType
                comps.append((component, asn1Spec[idx]))

        for comp, compType in sorted(comps, key=self._componentSortKey):
            namedType = compsMap[id(comp)]

            if namedType:
                options.update(ifNotEmpty=namedType.isOptional)