VirtualMailManager/MailLocation.py
author Pascal Volk <neverseen@users.sourceforge.net>
Sun, 02 Mar 2008 20:22:00 +0000
changeset 9 e3d3dbeb5b84
parent 8 7e3ce56f49e6
child 32 ceb700bc4a80
permissions -rw-r--r--
* 'create_tables.pgsql' - Added view vmm_domain_info * 'VirtualMailManager/Alias.py' - Removed attribute Alias._aid - Removed parameter basedir from Alias.__init__() and Alias._setAddr() * 'VirtualMailManager/MailLocation.py' - Fixed typo in MailLocation.__init__() * 'VirtualMailManager/Account.py' - Integrated Transport- and MailLocation-stuff - Removed attributes: Account._base and Account._home * 'VirtualMailManager/VirtualMailManager.py' - some small fixes * 'VirtualMailManager/Domain.py' - Added Transport-stuff * 'vmm.cfg' - 'Added option transport in section misc'
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#!/usr/bin/env python
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# -*- coding: UTF-8 -*-
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# Copyright 2008 VEB IT
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# See COPYING for distribution information.
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# $Id$
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"""Virtual Mail Manager's MailLocation class to manage the mail_location
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for accounts."""
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from constants.VERSION import VERSION
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__author__ = 'Pascal Volk <p.volk@veb-it.de>'
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__version__ = VERSION
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__revision__ = 'rev '+'$Rev$'.split()[1]
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__date__ = '$Date$'.split()[1]
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from Exceptions import VMMMailLocationException as MLE
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import constants.ERROR as ERR
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class MailLocation:
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    """A wrapper class thats provide access to the maillocation table"""
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    def __init__(self, dbh, mid=None, maillocation=None):
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        """Creates a new MailLocation instance.
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        Either mid or maillocation must be specified.
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        Keyword arguments:
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        dbh -- a pyPgSQL.PgSQL.connection
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        mid -- the id of a maillocation (long)
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        maillocation -- the value of the maillocation (str)
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        """
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        self._dbh = dbh
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        if mid is None and maillocation is None:
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            raise MLE(('Either mid or maillocation must be specified.',
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                ERR.MAILLOCATION_INIT))
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        elif mid is not None:
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            try:
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                self.__id = long(mid)
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            except ValueError:
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                raise MLE(('mid must be an int/long.', ERR.MAILLOCATION_INIT))
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            self._loadByID()
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        else:
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            self.__maillocation = maillocation
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            self._loadByName()
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    def _loadByID(self):
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        dbc = self._dbh.cursor()
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        dbc.execute('SELECT maillocation FROM maillocation WHERE mid = %s',
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                self.__id)
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        result = dbc.fetchone()
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        dbc.close()
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        if result is not None:
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            self.__maillocation = result[0]
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        else:
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            raise MLE(('Unknown mid specified.', ERR.UNKNOWN_MAILLOCATION_ID))
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    def _loadByName(self):
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        dbc = self._dbh.cursor()
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        dbc.execute('SELECT mid FROM maillocation WHERE maillocation = %s',
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                self.__maillocation)
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        result = dbc.fetchone()
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        dbc.close()
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        if result is not None:
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            self.__id = result[0]
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        else:
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            self._save()
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    def _save(self):
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        dbc = self._dbh.cursor()
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        dbc.execute("SELECT nextval('maillocation_id')")
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        self.__id = dbc.fetchone()[0]
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        dbc.execute('INSERT INTO maillocation(mid,maillocation) VALUES(%s,%s)',
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                self.__id, self.__maillocation)
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        self._dbh.commit()
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        dbc.close()
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    def getID(self):
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        """Returns the unique ID of the maillocation."""
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        return self.__id
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    def getMailLocation(self):
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        """Returns the value of maillocation, ex: 'Maildir'"""
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        return self.__maillocation
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