"""

    VirtualMailManager.EmailAddress

    Virtual Mail Manager's EmailAddress class to handle e-mail addresses.

"""

    """Simple class for validated e-mail addresses."""

    __slots__ = ('localpart', 'domainname')

        """Creates a new instance from the string/unicode ``address``."""

        self.localpart = None

        self.domainname = None

        self._chk_address(address)

            return self.localpart == other.localpart and \

                    self.domainname == other.domainname

            return self.localpart != other.localpart or \

                    self.domainname != other.domainname

        return "EmailAddress('%s@%s')" % (self.localpart, self.domainname)

        return "%s@%s" % (self.localpart, self.domainname)

    def _chk_address(self, address):

        """Checks if the string ``address`` could be used for an e-mail

        address."""

            self.localpart = check_localpart(parts[0])

                self.domainname = chk_domainname(parts[1])

                             self.localpart, DOMAIN_NO_NAME)

_ = lambda msg: msg

def check_localpart(localpart):

    """Validates the local-part of an e-mail address.

    Argument:

    localpart -- local-part of the e-mail address that should be validated

    """

    if len(localpart) < 1:

        raise VMMEAE(_(u'No local-part specified.'), LOCALPART_INVALID)

    if len(localpart) > 64:

        raise VMMEAE(_(u'The local-part “%s” is too long') % localpart,

                     LOCALPART_TOO_LONG)

    invalid_chars = set(re.findall(RE_LOCALPART, localpart))

    if invalid_chars:

        i_chrs = u''.join((u'“%s” ' % c for c in invalid_chars))

        raise VMMEAE(_(u"The local-part “%(l_part)s” contains invalid\

 characters: %(i_chrs)s") % {'l_part': localpart, 'i_chrs': i_chrs},

                     LOCALPART_INVALID)

    return localpart

del _