diff options
Diffstat (limited to 'rest_framework/fields.py')
| -rw-r--r-- | rest_framework/fields.py | 21 |
1 files changed, 19 insertions, 2 deletions
diff --git a/rest_framework/fields.py b/rest_framework/fields.py index d5dccd72..8cc8e81e 100644 --- a/rest_framework/fields.py +++ b/rest_framework/fields.py @@ -143,7 +143,7 @@ class Field(object): def __init__(self, read_only=False, write_only=False, required=None, default=empty, initial=empty, source=None, label=None, help_text=None, style=None, - error_messages=None, validators=[], allow_null=False): + error_messages=None, validators=None, allow_null=False): self._creation_counter = Field._creation_counter Field._creation_counter += 1 @@ -166,9 +166,11 @@ class Field(object): self.label = label self.help_text = help_text self.style = {} if style is None else style - self.validators = validators[:] or self.default_validators[:] self.allow_null = allow_null + if validators is not None: + self.validators = validators[:] + # These are set up by `.bind()` when the field is added to a serializer. self.field_name = None self.parent = None @@ -214,6 +216,21 @@ class Field(object): else: self.source_attrs = self.source.split('.') + # .validators is a lazily loaded property, that gets its default + # value from `get_validators`. + @property + def validators(self): + if not hasattr(self, '_validators'): + self._validators = self.get_validators() + return self._validators + + @validators.setter + def validators(self, validators): + self._validators = validators + + def get_validators(self): + return self.default_validators[:] + def get_initial(self): """ Return a value to use when the field is being returned as a primitive |