def _get_field_factory(cls, key, field):
'''Find a factory for a field.
If key is supplied, we try to find it via a class attribute. If it fails
(or key is not supplied), we fall back to an adapter lookup on field's
schema.
'''
# Check if a factory is defined explicitly as a class attribute
if key and hasattr(cls, key):
factory = getattr(cls, key)
return factory if callable(factory) else None
# If reached here, there is no hint via class attribute.
# Try to find a factory for this field.
if not field:
schema = cls.get_schema()
field = schema.get(key)
assert field, 'No field %r in schema %s' % (key, schema)
factory = None
if isinstance(field, zope.schema.Object):
factory = adapter_registry.lookup([], field.schema)
else:
factory = field.defaultFactory
return factory
def _get_field_factory(cls, key, field):
'''Find a factory for a field.
If key is supplied, we try to find it via a class attribute. If it fails
(or key is not supplied), we fall back to an adapter lookup on field's
schema.
'''
# Check if a factory is defined explicitly as a class attribute
if key and hasattr(cls, key):
factory = getattr(cls, key)
return factory if callable(factory) else None
# If reached here, there is no hint via class attribute.
# Try to find a factory for this field.
if not field:
schema = cls.get_schema()
field = schema.get(key)
assert field, 'No field %r in schema %s' % (key, schema)
factory = None
if isinstance(field, zope.schema.Object):
factory = adapter_registry.lookup([], field.schema)
else:
factory = field.defaultFactory
return factory
def _get_field(self, kt):
k, kt = kt[0], kt[1:]
schema = self.get_schema()
field = schema.get(k)
value = getattr(self, k)
if kt:
return self._get_field_field(field, value, kt)
else:
yf = field.bind(FieldContext(key=k, value=value))
yf.context.title = yf.title
return (yf, value)
def _get_field(self, kt):
k, kt = kt[0], kt[1:]
schema = self.get_schema()
field = schema.get(k)
value = getattr(self, k)
if kt:
return self._get_field_field(field, value, kt)
else:
yf = field.bind(FieldContext(key=k, value=value))
yf.context.title = yf.title
return (yf, value)
def _dictize_errors(self, errors):
global_key = ErrorDict.global_key
schema = self.get_schema()
res = ErrorDict()
for k, ef in errors:
if k is None:
# Found failed invariants
res[global_key] = [str(ex) for ex in ef]
else:
# Found a field-level error
field = schema.get(k)
if not field:
continue
f = field.get(self)
res[k] = self._dictize_errors_for_field(ef, f, field)
return res
def _dictize_errors(self, errors):
global_key = ErrorDict.global_key
schema = self.get_schema()
res = ErrorDict()
for k, ef in errors:
if k is None:
# Found failed invariants
res[global_key] = [ str(ex) for ex in ef ]
else:
# Found a field-level error
field = schema.get(k)
if not field:
continue
f = field.get(self)
res[k] = self._dictize_errors_for_field(ef, f, field)
return res
def _from_xml(self, e):
schema = self.obj.get_schema()
factory = type(self.obj)
obj = factory()
# Fixme: Why dont we directly update self.obj?
for p in e:
k = QName(p.tag).localname
k = inflection.underscore(k)
yf = schema.get(k)
assert yf, "Expected a field named %s at schema %s" % (k, schema)
yf1 = yf.bind(FieldContext(key=k, value=yf.get(self.obj)))
ys = serializer_for_field(yf1)
ys.target_namespace = self.target_namespace
yf.set(obj, ys.from_xml(p))
return obj
def _from_xml(self, e):
schema = self.obj.get_schema()
factory = type(self.obj)
obj = factory()
# Fixme: Why dont we directly update self.obj?
for p in e:
k = QName(p.tag).localname
k = inflection.underscore(k)
yf = schema.get(k)
assert yf, 'Expected a field named %s at schema %s' % (k, schema)
yf1 = yf.bind(FieldContext(key=k, value=yf.get(self.obj)))
ys = serializer_for_field(yf1)
ys.target_namespace = self.target_namespace
yf.set(obj, ys.from_xml(p))
return obj
def _dictize_errors(self, errors):
global_key = ErrorDict.global_key
schema = self.get_schema()
#log1.debug('\n\n IN DICITZE ERRORS: %s\n\n', errors)
res = ErrorDict()
if errors:
for k, ef in errors:
if k is None:
# Found failed invariants
res[global_key] = [ str(ex) for ex in ef ]
else:
#log1.debug('\n\n IN INNER DICITZE ERRORS: k is %s, type is %s,ef is %s, type[ef] is %s, ef[0] is %s, type[0] is %s\n\n', k, type(k),ef, type(ef), ef[0], type(ef[0]))
# Found a field-level error
field = schema.get(k)
if not field:
continue
f = field.get(self)
res[k] = self._dictize_errors_for_field(ef, f, field)
return res
def widget(self):
for schema in iterSchemata(self.context):
field = schema.get(self.id, None)
if field is not None:
break;
widget = queryMultiAdapter((field, self.request),
interfaces.IFieldWidget,
name=self.id)
if widget is None:
widget = queryMultiAdapter((field, self.request),
interfaces.IFieldWidget)
if queryMultiAdapter((None, self.request, None, None, widget),
interface=IPageTemplate,
name='display_{0}'.format(self.id)):
widget.mode = 'display_{0}'.format(self.id)
else:
widget.mode = 'display'
widget.context = self.context
alsoProvides(widget, interfaces.IContextAware)
widget.update()
zope.event.notify(AfterWidgetUpdateEvent(widget))
return widget
