def from_element(self, ctx, cls, element):
cls_attrs = self.get_cls_attrs(cls)
if bool(element.get(XSI('nil'))):
if self.validator is self.SOFT_VALIDATION and not \
cls_attrs.nillable:
raise ValidationError(None)
if self.replace_null_with_default:
return cls_attrs.default
return None
# if present, use the xsi:type="ns0:ObjectName"
# attribute to instantiate subclass objects
if self.parse_xsi_type:
xsi_type = element.get(XSI_TYPE, None)
if xsi_type is not None:
if ":" in xsi_type:
prefix, objtype = xsi_type.split(':', 1)
else:
prefix, objtype = None, xsi_type
ns = element.nsmap.get(prefix)
if ns is not None:
classkey = "{%s}%s" % (ns, objtype)
else:
logger.error(
"xsi:type namespace prefix "
"'%s' in '%s' not found in %r", ns, xsi_type,
element.nsmap)
raise ValidationError(xsi_type)
newclass = ctx.app.interface.classes.get(classkey, None)
if newclass is None:
logger.error(
"xsi:type '%s' interpreted as class key '%s' "
"is not recognized", xsi_type, classkey)
raise ValidationError(xsi_type)
cls = newclass
logger.debug("xsi:type '%s' overrides %r to %r", xsi_type, cls,
newclass)
handler = self.deserialization_handlers[cls]
return handler(ctx, cls, element)
AnyHtml, AnyXml, AnyDict, Unicode, PushBase, File, ByteArray, XmlData, \
XmlAttribute
from spyne.model.binary import BINARY_ENCODING_BASE64
from spyne.model.enum import EnumBase
from spyne.protocol import ProtocolBase
from spyne.util import six
if six.PY2:
STR_TYPES = (str, unicode)
else:
STR_TYPES = (str, bytes)
NIL_ATTR = {XSI('nil'): 'true'}
XSI_TYPE = XSI('type')
def _append(parent, child_elt):
if hasattr(parent, 'append'):
parent.append(child_elt)
else:
parent.write(child_elt)
def _gen_tagname(ns, name):
if ns is not None:
name = "{%s}%s" % (ns, name)
return name
def from_element(self, ctx, cls, element):
if bool(element.get(XSI('nil'))):
attributes = dict([(key[key.find('}') + 1:], value)
for key, value in element.attrib.items()])
return Nil(**attributes)
return super().from_element(ctx, cls, element)
