author | Pascal Volk <neverseen@users.sourceforge.net> |
Sat, 27 Feb 2010 20:58:49 +0000 | |
branch | v0.6.x |
changeset 220 | 8b8d632f0ef3 |
parent 216 | 0c8c053b451c |
child 222 | d0c16e70a9fb |
permissions | -rw-r--r-- |
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# -*- coding: UTF-8 -*- |
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# Copyright (c) 2008 - 2010, Pascal Volk |
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# See COPYING for distribution information. |
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""" |
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VirtualMailManager.Relocated |
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Virtual Mail Manager's Relocated class to handle relocated users. |
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""" |
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from VirtualMailManager.Domain import get_gid |
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from VirtualMailManager.EmailAddress import EmailAddress |
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from VirtualMailManager.errors import RelocatedError as RErr |
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from VirtualMailManager.constants.ERROR import \ |
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NO_SUCH_RELOCATED, RELOCATED_ADDR_DEST_IDENTICAL, RELOCATED_EXISTS |
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_ = lambda msg: msg |
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class Relocated(object): |
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"""Class to handle e-mail addresses of relocated users.""" |
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__slots__ = ('_addr', '_dest', '_gid', '_dbh') |
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def __init__(self, dbh, address): |
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"""Creates a new *Relocated* instance. The ``address`` is the |
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old e-mail address of the user. |
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Use `setDestination()` to set/update the new address, where the |
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user has moved to. |
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""" |
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assert isinstance(address, EmailAddress) |
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self._addr = address |
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self._dbh = dbh |
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self._gid = get_gid(self._dbh, self._addr.domainname) |
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self._dest = None |
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self.__load() |
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def __load(self): |
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"""Loads the destination address from the database into the |
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`_dest` attribute. |
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""" |
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dbc = self._dbh.cursor() |
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dbc.execute( |
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'SELECT destination FROM relocated WHERE gid=%s AND address=%s', |
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self._gid, self._addr.localpart) |
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destination = dbc.fetchone() |
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dbc.close() |
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if destination: |
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self._dest = EmailAddress(destination[0]) |
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def set_destination(self, destination): |
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"""Sets/updates the new address of the relocated user.""" |
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update = False |
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assert isinstance(destination, EmailAddress) |
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if self._addr == destination: |
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raise RErr(_(u'Address and destination are identical.'), |
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RELOCATED_ADDR_DEST_IDENTICAL) |
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if self._dest: |
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if self._dest == destination: |
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raise RErr(_(u'The relocated user %r already exists.') % |
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self._addr, RELOCATED_EXISTS) |
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else: |
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self._dest = destination |
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update = True |
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else: |
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self._dest = destination |
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dbc = self._dbh.cursor() |
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if not update: |
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dbc.execute('INSERT INTO relocated VALUES (%s, %s, %s)', |
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self._gid, self._addr.localpart, str(self._dest)) |
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else: |
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dbc.execute('UPDATE relocated SET destination=%s \ |
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WHERE gid=%s AND address=%s', |
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str(self._dest), self._gid, self._addr.localpart) |
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self._dbh.commit() |
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dbc.close() |
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def get_info(self): |
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"""Returns the address to which mails should be sent.""" |
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if not self._dest: |
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raise RErr(_(u"The relocated user %r doesn't exist.") % |
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self._addr, NO_SUCH_RELOCATED) |
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return self._dest |
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def delete(self): |
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"""Deletes the relocated entry from the database.""" |
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if not self._dest: |
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raise RErr(_(u"The relocated user %r doesn't exist.") % self._addr, |
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NO_SUCH_RELOCATED) |
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dbc = self._dbh.cursor() |
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dbc.execute("DELETE FROM relocated WHERE gid = %s AND address = %s", |
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self._gid, self._addr.localpart) |
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if dbc.rowcount > 0: |
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self._dbh.commit() |
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dbc.close() |
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self._dest = None |
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VMM/{Relocated,Handler}: reworked Relocated class, adjusted Handler.
Pascal Volk <neverseen@users.sourceforge.net>
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