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# Copyright (C) 2008-2011 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/>.
"""Domains."""
from __future__ import unicode_literals
__metaclass__ = type
__all__ = [
'Domain',
'DomainManager',
]
from urlparse import urljoin, urlparse
from storm.locals import Int, Unicode
from zope.interface import implements
from mailman.config import config
from mailman.database.model import Model
from mailman.interfaces.domain import (
BadDomainSpecificationError, IDomain, IDomainManager)
class Domain(Model):
"""Domains."""
implements(IDomain)
id = Int(primary=True)
email_host = Unicode()
base_url = Unicode()
description = Unicode()
contact_address = Unicode()
def __init__(self, email_host,
description=None,
base_url=None,
contact_address=None):
"""Create and register a domain.
:param email_host: The host name for the email interface.
:type email_host: string
:param description: An optional description of the domain.
:type description: string
:param base_url: The optional base url for the domain, including
scheme. If not given, it will be constructed from the
`email_host` using the http protocol.
:type base_url: string
:param contact_address: The email address to contact a human for this
domain. If not given, postmaster@`email_host` will be used.
:type contact_address: string
"""
self.email_host = email_host
self.base_url = (base_url
if base_url is not None
else 'http://' + email_host)
self.description = description
self.contact_address = (contact_address
if contact_address is not None
else 'postmaster@' + email_host)
@property
def url_host(self):
"""See `IDomain`."""
# pylint: disable-msg=E1101
# no netloc member; yes it does
return urlparse(self.base_url).netloc
@property
def scheme(self):
"""See `IDomain`."""
return urlparse(self.base_url).scheme
def confirm_url(self, token=''):
"""See `IDomain`."""
return urljoin(self.base_url, 'confirm/' + token)
def __repr__(self):
"""repr(a_domain)"""
if self.description is None:
return ('<Domain {0.email_host}, base_url: {0.base_url}, '
'contact_address: {0.contact_address}>').format(self)
else:
return ('<Domain {0.email_host}, {0.description}, '
'base_url: {0.base_url}, '
'contact_address: {0.contact_address}>').format(self)
class DomainManager:
"""Domain manager."""
implements(IDomainManager)
def add(self, email_host,
description=None,
base_url=None,
contact_address=None):
"""See `IDomainManager`."""
# Be sure the email_host is not already registered. This is probably
# a constraint that should (also) be maintained in the database.
if self.get(email_host) is not None:
raise BadDomainSpecificationError(
'Duplicate email host: %s' % email_host)
domain = Domain(email_host, description, base_url, contact_address)
config.db.store.add(domain)
return domain
def remove(self, email_host):
domain = self[email_host]
config.db.store.remove(domain)
return domain
def get(self, email_host, default=None):
"""See `IDomainManager`."""
domains = config.db.store.find(Domain, email_host=email_host)
if domains.count() < 1:
return default
assert domains.count() == 1, (
'Too many matching domains: %s' % email_host)
return domains.one()
def __getitem__(self, email_host):
"""See `IDomainManager`."""
missing = object()
domain = self.get(email_host, missing)
if domain is missing:
raise KeyError(email_host)
return domain
def __len__(self):
return config.db.store.find(Domain).count()
def __iter__(self):
"""See `IDomainManager`."""
for domain in config.db.store.find(Domain):
yield domain
def __contains__(self, email_host):
"""See `IDomainManager`."""
return config.db.store.find(Domain, email_host=email_host).count() > 0
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