Modify SQL update script to accept NULL fields for users
The value NULL in the qid/ssid/tid fields of the user table means that the
value from the associated domain record should be used instead.
This patch modifies the PL/pgSQL functions used by Dovecot and Postfix
accordingly.
:mod:`VirtualMailManager.EmailAddress` --- Handling of e-mail addresses
=======================================================================
.. module:: VirtualMailManager.EmailAddress
:synopsis: Handling of e-mail addresses
.. moduleauthor:: Pascal Volk <neverseen@users.sourceforge.net>
.. toctree::
:maxdepth: 2
This module provides the :class:`EmailAddress` class to handle validated e-mail
addresses.
EmailAddress
------------
.. class:: EmailAddress(address)
Creates a new EmailAddress instance.
:param address: string representation of an e-mail addresses
:type address: :obj:`basestring`
:raise VirtualMailManager.errors.EmailAddressError: if the
*address* is syntactically wrong.
:raise VirtualMailManager.errors.VMMError: if the validation of the
local-part or domain name fails.
An EmailAddress instance has the both read-only attributes:
.. attribute:: localpart
The local-part of the address *local-part@domain*
.. attribute:: domainname
The domain part of the address *local-part@domain*
Examples
--------
>>> from VirtualMailManager.EmailAddress import EmailAddress
>>> john = EmailAddress('john.doe@example.com')
>>> john.localpart
'john.doe'
>>> john.domainname
'example.com'
>>> jane = EmailAddress('jane.doe@example.com')
>>> jane != john
True
>>> EmailAddress('info@xn--pypal-4ve.tld') == EmailAddress(u'info@pŠ°ypal.tld')
True
>>> jane
EmailAddress('jane.doe@example.com')
>>> print john
john.doe@example.com
>>>