# Copyright (C) 2003-2007, 2009-2011 Nominum, Inc.
#
# Permission to use, copy, modify, and distribute this software and its
# documentation for any purpose with or without fee is hereby granted,
# provided that the above copyright notice and this permission notice
# appear in all copies.
#
# THE SOFTWARE IS PROVIDED "AS IS" AND NOMINUM DISCLAIMS ALL WARRANTIES
# WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
# MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL NOMINUM BE LIABLE FOR
# ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
# WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
# ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT
# OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.

"""Common DNS Exceptions."""

class DNSException(Exception):
    """Abstract base class shared by all dnspython exceptions."""
    pass

class FormError(DNSException):
    """DNS message is malformed."""
    pass

class SyntaxError(DNSException):
    """Text input is malformed."""
    pass

class UnexpectedEnd(SyntaxError):
    """Raised if text input ends unexpectedly."""
    pass

class TooBig(DNSException):
    """The message is too big."""
    pass

class Timeout(DNSException):
    """The operation timed out."""
    pass

# Copyright (C) 2003-2007, 2009-2011 Nominum, Inc.
#
# Permission to use, copy, modify, and distribute this software and its
# documentation for any purpose with or without fee is hereby granted,
# provided that the above copyright notice and this permission notice
# appear in all copies.
#
# THE SOFTWARE IS PROVIDED "AS IS" AND NOMINUM DISCLAIMS ALL WARRANTIES
# WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
# MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL NOMINUM BE LIABLE FOR
# ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
# WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
# ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT
# OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.

"""Common DNS Exceptions."""

class DNSException(Exception):
    """Abstract base class shared by all dnspython exceptions."""
    def __init__(self, *args):
        if args:
            super(DNSException, self).__init__(*args)
        else:
            # doc string is better implicit message than empty string
            super(DNSException, self).__init__(self.__doc__)

class FormError(DNSException):
    """DNS message is malformed."""
    pass

class SyntaxError(DNSException):
    """Text input is malformed."""
    pass

class UnexpectedEnd(SyntaxError):
    """Raised if text input ends unexpectedly."""
    pass

class TooBig(DNSException):
    """The message is too big."""
    pass

class Timeout(DNSException):
    """The operation timed out."""
    pass

Support string representation for all DNSExceptions.
Support string representation for all DNSExceptions.

Doc string is used in cases where more specific message was not provided
during instantiation/raise.
