Current File : //opt/alt/python27/lib/python2.7/site-packages/jsonschema/_format.pyo
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A ``format`` property checker.
JSON Schema does not mandate that the ``format`` property actually do any
validation. If validation is desired however, instances of this class can
be hooked into validators to enable format validation.
:class:`FormatChecker` objects always return ``True`` when asked about
formats that they do not know how to validate.
To check a custom format using a function that takes an instance and
returns a ``bool``, use the :meth:`FormatChecker.checks` or
:meth:`FormatChecker.cls_checks` decorators.
Arguments:
formats (iterable):
The known formats to validate. This argument can be used to
limit which formats will be used during validation.
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Register a decorated function as validating a new format.
Arguments:
format (str):
The format that the decorated function will check.
raises (Exception):
The exception(s) raised by the decorated function when
an invalid instance is found.
The exception object will be accessible as the
:attr:`ValidationError.cause` attribute of the resulting
validation error.
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Check whether the instance conforms to the given format.
Arguments:
instance (any primitive type, i.e. str, number, bool):
The instance to check
format (str):
The format that instance should conform to
Raises:
:exc:`FormatError` if instance does not conform to ``format``
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Check whether the instance conforms to the given format.
Arguments:
instance (any primitive type, i.e. str, number, bool):
The instance to check
format (str):
The format that instance should conform to
Returns:
bool: Whether it conformed
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