KeysValidatorclass KeysValidator(keys, strict=False, messages=None) [source]
Validates that the given keys are contained in the value. If strict is True, then it also checks that there are no other keys present.
The messages passed should be a dict containing the keys missing_keys and/or extra_keys.
Note
Note that this checks only for the existence of a given key, not that the value of a key is non-empty.
class RangeMaxValueValidator(limit_value, message=None) [source]
Validates that the upper bound of the range is not greater than limit_value.
class RangeMinValueValidator(limit_value, message=None) [source]
Validates that the lower bound of the range is not less than the limit_value.
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Licensed under the BSD License.
https://docs.djangoproject.com/en/1.8/ref/contrib/postgres/validators/