def extractData(self, fields):
# XXX to review this
cached = self._extracted.get(fields)
if cached is not None:
return cached
data = FieldsValues(self, fields)
errors = Errors()
self._extracted[fields] = (data, errors)
for field in fields:
if not field.available(self):
continue
# Widget extraction and validation
extractor = self.widgetFactory.extractor(field)
if extractor is not None:
value, error = extractor.extract()
if error is None:
error = field.validate(value, self)
if error is not None:
if not IError.providedBy(error):
error = Error(error, extractor.identifier)
errors.append(error)
data[field.identifier] = value
# Generic form validation
errors.extend(self.validateData(fields, data))
if len(errors):
# Add a form level error if not already present
if self.prefix not in errors:
errors.append(
Error(_(u"There were errors.", default=u"There were errors."),
self.prefix))
self.errors = errors
return (data, errors)
def extractData(self, fields):
data = FieldsValues(self, fields)
errors = Errors()
for field in fields:
if not field.available(self):
continue
# Widget extraction and validation
extractor = getWidgetExtractor(field, self, self.request)
if extractor is not None:
value, error = extractor.extract()
if error is None:
error = field.validate(value, self.context)
if error is not None:
if not interfaces.IError.providedBy(error):
if interfaces.IErrors.providedBy(error):
# this is an Errors, not implementing IError
# "Make it so, number one !"
error = Errors(
*error, identifier=extractor.identifier)
else:
error = Error(
error, identifier=extractor.identifier)
errors.append(error)
data[field.identifier] = value
# Generic form validation
validation_errors = self.validateData(fields, data)
errors.extend(validation_errors)
self.errors = errors
return (data, errors)
def extract(self):
value = self.request.form.get(self.identifier, NO_VALUE)
if value is not NO_VALUE:
try:
value = int(value)
except ValueError:
return (None, u"Invalid internal input")
collectedValues = []
collectedErrors = Errors(identifier=self.identifier)
for position in range(0, value):
value_present = '%s.present.%d' % (
self.identifier, position) in self.request.form
if not value_present:
# This value have been removed
continue
field = self.valueField.clone(new_identifier=str(position))
form = cloneFormData(self.form, prefix=self.identifier)
data, errors = form.extractData(Fields(field))
if errors:
collectedErrors.extend(errors)
else:
collectedValues.append(data[field.identifier])
if collectedErrors:
return (None, collectedErrors)
value = self.component.collectionType(collectedValues)
return (value, None)
