def get_manipulator_fields(self, opts, manipulator, change, name_prefix='', rel=False, follow=True):
"""
Returns a list of oldforms.FormField instances for this field. It
calculates the choices at runtime, not at compile time.
name_prefix is a prefix to prepend to the "field_name" argument.
rel is a boolean specifying whether this field is in a related context.
"""
field_objs, params = self.prepare_field_objs_and_params(manipulator, name_prefix)
# Add the "unique" validator(s).
for field_name_list in opts.unique_together:
if field_name_list[0] == self.name:
params['validator_list'].append(getattr(manipulator, 'isUnique%s' % '_'.join(field_name_list)))
# Add the "unique for..." validator(s).
if self.unique_for_date:
params['validator_list'].append(getattr(manipulator, 'isUnique%sFor%s' % (self.name, self.unique_for_date)))
if self.unique_for_month:
params['validator_list'].append(getattr(manipulator, 'isUnique%sFor%s' % (self.name, self.unique_for_month)))
if self.unique_for_year:
params['validator_list'].append(getattr(manipulator, 'isUnique%sFor%s' % (self.name, self.unique_for_year)))
if self.unique and not rel:
params['validator_list'].append(curry(manipulator_validator_unique, self, opts, manipulator))
# Only add is_required=True if the field cannot be blank. Primary keys
# are a special case, and fields in a related context should set this
# as False, because they'll be caught by a separate validator --
# RequiredIfOtherFieldGiven.
params['is_required'] = not self.blank and not self.primary_key and not rel
# BooleanFields (CheckboxFields) are a special case. They don't take
# is_required.
if isinstance(self, BooleanField):
del params['is_required']
# If this field is in a related context, check whether any other fields
# in the related object have core=True. If so, add a validator --
# RequiredIfOtherFieldsGiven -- to this FormField.
if rel and not self.blank and not isinstance(self, AutoField) and not isinstance(self, FileField):
# First, get the core fields, if any.
core_field_names = []
for f in opts.fields:
if f.core and f != self:
core_field_names.extend(f.get_manipulator_field_names(name_prefix))
# Now, if there are any, add the validator to this FormField.
if core_field_names:
params['validator_list'].append(validators.RequiredIfOtherFieldsGiven(core_field_names, ugettext_lazy("This field is required.")))
# Finally, add the field_names.
field_names = self.get_manipulator_field_names(name_prefix)
return [man(field_name=field_names[i], **params) for i, man in enumerate(field_objs)]
def get_validator_list(rating_num):
if rating_num <= num_rating_choices:
return [
validators.RequiredIfOtherFieldsGiven(
[
'rating%d' % i
for i in range(1, 9) if i != rating_num
],
_("This rating is required because you've entered at least one other rating."
))
]
else:
return []
def __call__(self, field_data, all_data):
if not all_data.get(self.other_file_field_name, False):
c = validators.RequiredIfOtherFieldsGiven(
self.other_field_names,
gettext_lazy("This field is required."))
c(field_data, all_data)