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ModelField should support max_length. Closes #2018.

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Tom Christie 2014-11-05 15:51:45 +00:00
parent 49fae23000
commit 73daf40715
1 changed files with 10 additions and 0 deletions
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10
rest_framework/fields.py
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@ -1175,10 +1175,20 @@ class ModelField(Field):
This is used by `ModelSerializer` when dealing with custom model fields, This is used by `ModelSerializer` when dealing with custom model fields,
that do not have a serializer field to be mapped to. that do not have a serializer field to be mapped to.
""" """
default_error_messages = {
'max_length': _('Ensure this field has no more than {max_length} characters.'),
}
def __init__(self, model_field, **kwargs): def __init__(self, model_field, **kwargs):
self.model_field = model_field self.model_field = model_field
kwargs['source'] = '*' kwargs['source'] = '*'
# The `max_length` option is supported by Django's base `Field` class,
# so we'd better support it here.
max_length = kwargs.pop('max_length', None)
super(ModelField, self).__init__(**kwargs) super(ModelField, self).__init__(**kwargs)
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))
def to_internal_value(self, data): def to_internal_value(self, data):
rel = getattr(self.model_field, 'rel', None) rel = getattr(self.model_field, 'rel', None)