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# Copyright (C) 1998-2006 by the Free Software Foundation, Inc.
#
# This program 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 2
# of the License, or (at your option) any later version.
#
# This program 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 this program; if not, write to the Free Software
# Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301,
# USA.
"""Mailman errors."""
# Base class for all exceptions raised in Mailman (XXX except legacy string
# exceptions).
class MailmanException(Exception):
pass
# Exceptions for problems related to opening a list
class MMListError(MailmanException): pass
class MMUnknownListError(MMListError):
def __init__(self, listname=None):
self._listname = listname
def __str__(self):
return self._listname
class MMCorruptListDatabaseError(MMListError): pass
class MMListNotReadyError(MMListError): pass
class MMListAlreadyExistsError(MMListError): pass
class BadListNameError(MMListError): pass
# Membership exceptions
class MMMemberError(MailmanException): pass
class MMBadUserError(MMMemberError): pass
class MMAlreadyAMember(MMMemberError): 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
# Exception hierarchy for various authentication failures, can be
# raised from functions in SecurityManager.py
class MMAuthenticationError(MailmanException): pass
class MMBadPasswordError(MMAuthenticationError): pass
class MMPasswordsMustMatch(MMAuthenticationError): pass
class MMCookieError(MMAuthenticationError): pass
class MMExpiredCookieError(MMCookieError): pass
class MMInvalidCookieError(MMCookieError): pass
# BAW: these still need to be converted to classes.
MMMustDigestError = "MMMustDigestError"
MMCantDigestError = "MMCantDigestError"
MMNeedApproval = "MMNeedApproval"
MMSubscribeNeedsConfirmation = "MMSubscribeNeedsConfirmation"
MMBadConfirmation = "MMBadConfirmation"
MMAlreadyDigested = "MMAlreadyDigested"
MMAlreadyUndigested = "MMAlreadyUndigested"
MODERATED_LIST_MSG = "Moderated list"
IMPLICIT_DEST_MSG = "Implicit destination"
SUSPICIOUS_HEADER_MSG = "Suspicious header"
FORBIDDEN_SENDER_MSG = "Forbidden sender"
# New style class based exceptions. All the above errors should eventually be
# converted.
class MailmanError(MailmanException):
"""Base class for all Mailman errors."""
pass
class BadDomainSpecificationError(MailmanError):
"""The specification of a virtual domain is invalid or duplicated."""
class MMLoopingPost(MailmanError):
"""Post already went through this list!"""
pass
# Exception hierarchy for bad email address errors that can be raised from
# Utils.ValidateEmail()
class EmailAddressError(MailmanError):
"""Base class for email address validation errors."""
pass
class MMBadEmailError(EmailAddressError):
"""Email address is invalid (empty string or not fully qualified)."""
pass
class MMHostileAddress(EmailAddressError):
"""Email address has potentially hostile characters in it."""
pass
# 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
# multiple inheritance for backwards compatibility
class LoopError(DiscardMessage, MMLoopingPost):
"""We've seen this message before"""
class RejectMessage(HandlerError):
"""The message will be bounced back to the sender"""
def __init__(self, notice=None):
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
def notice(self):
return self.__notice
# Additional exceptions
class HostileSubscriptionError(MailmanError):
"""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.
# Database exceptions
class DatabaseError(MailmanError):
"""A problem with the database occurred."""
class SchemaVersionMismatchError(DatabaseError):
def __init__(self, got):
self._got = got
def __str__(self):
from Mailman.Version import DATABASE_SCHEMA_VERSION
return 'Incompatible database schema version (got: %d, expected: %d)' \
% (self._got, DATABASE_SCHEMA_VERSION)
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