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Allow CharField to specify defaults directly on class

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This commit is contained in:
Damien Nozay 2015-01-04 12:07:35 -08:00
parent ace2123d27
commit 6e5517ae2d
1 changed files with 13 additions and 9 deletions
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22
rest_framework/fields.py
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@ -563,18 +563,22 @@ class CharField(Field):
'min_length': _('Ensure this field has at least {min_length} characters.')
}
initial = ''
# allows subclasses to change defaults
allow_blank = False
max_length = None
min_length = None
def __init__(self, **kwargs):
self.allow_blank = kwargs.pop('allow_blank', False)
max_length = kwargs.pop('max_length', None)
min_length = kwargs.pop('min_length', None)
self.allow_blank = kwargs.pop('allow_blank', self.allow_blank)
self.max_length = kwargs.pop('max_length', self.max_length)
self.min_length = kwargs.pop('min_length', self.min_length)
super(CharField, 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))
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))
if self.max_length is not None:
message = self.error_messages['max_length'].format(max_length=self.max_length)
self.validators.append(MaxLengthValidator(self.max_length, message=message))
if self.min_length is not None:
message = self.error_messages['min_length'].format(min_length=self.min_length)
self.validators.append(MinLengthValidator(self.min_length, message=message))
def run_validation(self, data=empty):
# Test for the empty string here so that it does not get validated,