SleekXMPP/sleekxmpp/stanza/roster.py
Lance Stout e8b2dd6698 Update Roster stanza to use RosterItem substanzas.
get_roster() now returns the Iq result stanza instead of True (stanzas
also evaluate to True).
2012-01-12 17:21:43 -08:00

127 lines
3.8 KiB
Python

"""
SleekXMPP: The Sleek XMPP Library
Copyright (C) 2010 Nathanael C. Fritz
This file is part of SleekXMPP.
See the file LICENSE for copying permission.
"""
from sleekxmpp.stanza import Iq
from sleekxmpp.xmlstream import JID
from sleekxmpp.xmlstream import ET, ElementBase, register_stanza_plugin
class Roster(ElementBase):
"""
Example roster stanzas:
<iq type="set">
<query xmlns="jabber:iq:roster">
<item jid="user@example.com" subscription="both" name="User">
<group>Friends</group>
</item>
</query>
</iq>
Stanza Inteface:
items -- A dictionary of roster entries contained
in the stanza.
Methods:
get_items -- Return a dictionary of roster entries.
set_items -- Add <item> elements.
del_items -- Remove all <item> elements.
"""
namespace = 'jabber:iq:roster'
name = 'query'
plugin_attrib = 'roster'
interfaces = set(('items',))
def set_items(self, items):
"""
Set the roster entries in the <roster> stanza.
Uses a dictionary using JIDs as keys, where each entry is itself
a dictionary that contains:
name -- An alias or nickname for the JID.
subscription -- The subscription type. Can be one of 'to',
'from', 'both', 'none', or 'remove'.
groups -- A list of group names to which the JID
has been assigned.
Arguments:
items -- A dictionary of roster entries.
"""
self.del_items()
for jid in items:
item = RosterItem()
item.values = items[jid]
item['jid'] = jid
self.append(item)
return self
def get_items(self):
"""
Return a dictionary of roster entries.
Each item is keyed using its JID, and contains:
name -- An assigned alias or nickname for the JID.
subscription -- The subscription type. Can be one of 'to',
'from', 'both', 'none', or 'remove'.
groups -- A list of group names to which the JID has
been assigned.
"""
items = {}
for item in self['substanzas']:
if isinstance(item, RosterItem):
items[item['jid']] = item.values
# Remove extra JID reference to keep everything
# backward compatible
del items[item['jid']]['jid']
return items
def del_items(self):
"""
Remove all <item> elements from the roster stanza.
"""
for item in self['substanzas']:
if isinstance(item, RosterItem):
self.xml.remove(item.xml)
class RosterItem(ElementBase):
namespace = 'jabber:iq:roster'
name = 'item'
plugin_attrib = 'item'
interfaces = set(('jid', 'name', 'subscription', 'ask',
'approved', 'groups'))
def get_groups(self):
groups = []
for group in self.xml.findall('{%s}group' % self.namespace):
groups.append(group.text)
return groups
def set_groups(self, values):
self.del_groups()
for group in values:
group_xml = ET.Element('{%s}group' % self.namespace)
group_xml.text = group
self.xml.append(group_xml)
def del_groups(self):
for group in self.xml.findall('{%s}group' % self.namespace):
self.xmp.remove(group)
register_stanza_plugin(Iq, Roster)
register_stanza_plugin(Roster, RosterItem, iterable=True)
# To comply with PEP8, method names now use underscores.
# Deprecated method names are re-mapped for backwards compatibility.
Roster.setItems = Roster.set_items
Roster.getItems = Roster.get_items
Roster.delItems = Roster.del_items