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# Copyright (C) 1998-2009 by the Free Software Foundation, Inc.
#
# This file is part of GNU Mailman.
#
# GNU Mailman is free software: you can redistribute it and/or modify it under
# the terms of the GNU General Public License as published by the Free
# Software Foundation, either version 3 of the License, or (at your option)
# any later version.
#
# GNU Mailman is distributed in the hope that it will be useful, but WITHOUT
# ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
# FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
# more details.
#
# You should have received a copy of the GNU General Public License along with
# GNU Mailman. If not, see <http://www.gnu.org/licenses/>.
"""Mailman errors."""
from __future__ import absolute_import, unicode_literals
__metaclass__ = type
__all__ = [
'AlreadyReceivingDigests',
'AlreadyReceivingRegularDeliveries',
'BadPasswordSchemeError',
'CantDigestError',
'DiscardMessage',
'EmailAddressError',
'HandlerError',
'HoldMessage',
'HostileSubscriptionError',
'InvalidEmailAddress',
'LostHeldMessage',
'MailmanError',
'MailmanException',
'MemberError',
'MembershipIsBanned',
'MustDigestError',
'NotAMemberError',
'PasswordError',
'RejectMessage',
'SomeRecipientsFailed',
'SubscriptionError',
]
# Base class for all exceptions raised in Mailman (XXX except legacy string
# exceptions).
class MailmanException(Exception):
pass
# "New" style membership exceptions (new w/ MM2.1)
class MemberError(MailmanException): pass
class NotAMemberError(MemberError): pass
class AlreadyReceivingDigests(MemberError): pass
class AlreadyReceivingRegularDeliveries(MemberError): pass
class CantDigestError(MemberError): pass
class MustDigestError(MemberError): pass
class MembershipIsBanned(MemberError): pass
# New style class based exceptions. All the above errors should eventually be
# converted.
class MailmanError(MailmanException):
"""Base class for all Mailman errors."""
pass
# Exception hierarchy for bad email address errors that can be raised from
# mailman.email.validate.validate()
class EmailAddressError(MailmanError):
"""Base class for email address validation errors."""
class InvalidEmailAddress(EmailAddressError):
"""Email address is invalid."""
# Exceptions for admin request database
class LostHeldMessage(MailmanError):
"""Held message was lost."""
pass
def _(s):
return s
# Exceptions for the Handler subsystem
class HandlerError(MailmanError):
"""Base class for all handler errors."""
class HoldMessage(HandlerError):
"""Base class for all message-being-held short circuits."""
# funky spelling is necessary to break import loops
reason = _('For some unknown reason')
def reason_notice(self):
return self.reason
# funky spelling is necessary to break import loops
rejection = _('Your message was rejected')
def rejection_notice(self, mlist):
return self.rejection
class DiscardMessage(HandlerError):
"""The message can be discarded with no further action"""
class SomeRecipientsFailed(HandlerError):
"""Delivery to some or all recipients failed"""
def __init__(self, tempfailures, permfailures):
HandlerError.__init__(self)
self.tempfailures = tempfailures
self.permfailures = permfailures
class RejectMessage(HandlerError):
"""The message will be bounced back to the sender"""
def __init__(self, notice=None):
super(RejectMessage, self).__init__()
if notice is None:
notice = _('Your message was rejected')
if notice.endswith('\n\n'):
pass
elif notice.endswith('\n'):
notice += '\n'
else:
notice += '\n\n'
self.notice = notice
# Subscription exceptions
class SubscriptionError(MailmanError):
"""Subscription errors base class."""
class HostileSubscriptionError(SubscriptionError):
"""A cross-subscription attempt was made.
This exception gets raised when an invitee attempts to use the
invitation to cross-subscribe to some other mailing list.
"""
class PasswordError(MailmanError):
"""A password related error."""
class BadPasswordSchemeError(PasswordError):
"""A bad password scheme was given."""
def __init__(self, scheme_name='unknown'):
super(BadPasswordSchemeError, self).__init__()
self.scheme_name = scheme_name
def __str__(self):
return 'A bad password scheme was given: %s' % self.scheme_name
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