+
−# -*- coding: UTF-8 -*-
+
−# Copyright (c) 2008 - 2010, Pascal Volk
+
−# See COPYING for distribution information.
+
−
+
−"""Virtual Mail Manager's EmailAddress class to handle e-mail addresses."""
+
−
+
−from __main__ import re, ERR
+
−from Exceptions import VMMEmailAddressException as VMMEAE
+
−import VirtualMailManager as VMM
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−
+
−RE_LOCALPART = """[^\w!#$%&'\*\+-\.\/=?^_`{\|}~]"""
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−
+
−class EmailAddress(object):
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−    __slots__ = ('_localpart', '_domainname')
+
−    def __init__(self, address):
+
−        self._localpart = None
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−        self._domainname = None
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−        self.__chkAddress(address)
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−
+
−    def __eq__(self, other):
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−        if isinstance(other, self.__class__):
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−            return self._localpart == other._localpart\
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−                    and self._domainname == other._domainname
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−        return NotImplemented
+
−
+
−    def __ne__(self, other):
+
−        if isinstance(other, self.__class__):
+
−            return self._localpart != other._localpart\
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−                    or self._domainname != other._domainname
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−        return NotImplemented
+
−
+
−    def __repr__(self):
+
−        return "EmailAddress('%s@%s')" % (self._localpart, self._domainname)
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−
+
−    def __str__(self):
+
−        return "%s@%s" % (self._localpart, self._domainname)
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−
+
−    def __chkAddress(self, address):
+
−        try:
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−            localpart, domain = address.split('@')
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−        except ValueError:
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−            raise VMMEAE(_(u"Missing '@' sign in e-mail address “%s”.") %
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−                address, ERR.INVALID_ADDRESS)
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−        except AttributeError:
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−            raise VMMEAE(_(u"“%s” doesn't look like an e-mail address.") %
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−                address, ERR.INVALID_ADDRESS)
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−        if len(domain) > 0:
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−            domain = VMM.VirtualMailManager.chkDomainname(domain)
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−        else:
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−            raise VMMEAE(_(u"Missing domain name after “%s@”.") %
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−                    localpart, ERR.DOMAIN_NO_NAME)
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−        localpart = self.__chkLocalpart(localpart)
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−        self._localpart, self._domainname = localpart, domain
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−
+
−    def __chkLocalpart(self, localpart):
+
−        """Validates the local-part of an e-mail address.
+
−
+
−        Arguments:
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−        localpart -- local-part of the e-mail address that should be validated (str)
+
−        """
+
−        if len(localpart) < 1:
+
−            raise VMMEAE(_(u'No local-part specified.'),
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−                ERR.LOCALPART_INVALID)
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−        if len(localpart) > 64:
+
−            raise VMMEAE(_(u'The local-part “%s” is too long') %
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−                localpart, ERR.LOCALPART_TOO_LONG)
+
−        ic = set(re.findall(RE_LOCALPART, localpart))
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−        if len(ic):
+
−            ichrs = ''
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−            for c in ic:
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−                ichrs += u"“%s” " % c
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−            raise VMMEAE(_(u"The local-part “%(lpart)s” contains invalid\
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− characters: %(ichrs)s") % {'lpart': localpart, 'ichrs': ichrs},
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−                ERR.LOCALPART_INVALID)
+
−        return localpart
+
−