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Merge 4bdd12047d into dd850df1d8

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Anton Chaporgin 2015-08-19 14:21:58 +00:00
commit 8a6f3b7e1e
1 changed files with 11 additions and 1 deletions
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rest_framework/fields.py
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@ -1375,15 +1375,25 @@ class ListField(Field):
initial = [] initial = []
default_error_messages = { default_error_messages = {
'not_a_list': _('Expected a list of items but got type "{input_type}".'), 'not_a_list': _('Expected a list of items but got type "{input_type}".'),
'empty': _('This list may not be empty.') 'empty': _('This list may not be empty.'),
'min_length': _('Ensure this field has at least {min_length} elements.'),
'max_length': _('Ensure this field has no more than {max_length} elements.'),
} }
def __init__(self, *args, **kwargs): def __init__(self, *args, **kwargs):
self.child = kwargs.pop('child', copy.deepcopy(self.child)) self.child = kwargs.pop('child', copy.deepcopy(self.child))
self.allow_empty = kwargs.pop('allow_empty', True) self.allow_empty = kwargs.pop('allow_empty', True)
assert not inspect.isclass(self.child), '`child` has not been instantiated.' assert not inspect.isclass(self.child), '`child` has not been instantiated.'
max_length = kwargs.pop('max_length', None)
min_length = kwargs.pop('min_length', None)
super(ListField, self).__init__(*args, **kwargs) super(ListField, self).__init__(*args, **kwargs)
self.child.bind(field_name='', parent=self) self.child.bind(field_name='', parent=self)
if max_length is not None:
message = self.error_messages['max_length'].format(max_length=max_length)
self.validators.append(MaxLengthValidator(max_length, message=message))
if min_length is not None:
message = self.error_messages['min_length'].format(min_length=min_length)
self.validators.append(MinLengthValidator(min_length, message=message))
def get_value(self, dictionary): def get_value(self, dictionary):
# We override the default field access in order to support # We override the default field access in order to support