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Updated XEP-0128 plugin to work with the new XEP-0030 plugin.

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Required fixing a few bugs in StanzaBase related to iterable
substanzas.
This commit is contained in:
Lance Stout
2011-03-22 20:42:43 -04:00
parent 86a6b40fd8
commit 4b1fadde4b
9 changed files with 336 additions and 72 deletions
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36
sleekxmpp/plugins/xep_0030/disco.py
View File

@@ -60,10 +60,13 @@ class xep_0030(base_plugin):
disco_items_query -- Received a disco#items Iq query request.
Attributes:
stanza -- A reference to the module containing the stanza classes
provided by this plugin.
static -- Object containing the default set of static node handlers.
xmpp -- The main SleekXMPP object.
stanza -- A reference to the module containing the
stanza classes provided by this plugin.
static -- Object containing the default set of
static node handlers.
default_handlers -- A dictionary mapping operations to the default
global handler (by default, the static handlers).
xmpp -- The main SleekXMPP object.
Methods:
set_node_handler -- Assign a handler to a JID/node combination.
@@ -110,11 +113,10 @@ class xep_0030(base_plugin):
'add_identity', 'del_identity', 'add_feature',
'del_feature', 'add_item', 'del_item',
'del_identities', 'del_features']
self.default_handlers = {}
self._handlers = {}
for op in self._disco_ops:
self._handlers[op] = {'global': getattr(self.static, op),
'jid': {},
'node': {}}
self._add_disco_op(op, getattr(self.static, op))
def post_init(self):
"""Handle cross-plugin dependencies."""
@@ -123,6 +125,12 @@ class xep_0030(base_plugin):
register_stanza_plugin(DiscoItems,
self.xmpp['xep_0059'].stanza.Set)
def _add_disco_op(self, op, default_handler):
self.default_handlers[op] = default_handler
self._handlers[op] = {'global': default_handler,
'jid': {},
'node': {}}
def set_node_handler(self, htype, jid=None, node=None, handler=None):
"""
Add a node handler for the given hierarchy level and
@@ -205,26 +213,29 @@ class xep_0030(base_plugin):
"""
self.set_node_handler(htype, jid, node, None)
def make_static(self, jid=None, node=None, handlers=None):
def restore_defaults(self, jid=None, node=None, handlers=None):
"""
Change all of a node's handlers to the default static
Change all or some of a node's handlers to the default
handlers. Useful for manually overriding the contents
of a node that would otherwise be handled by a JID level
or global level dynamic handler.
The default is to use the built-in static handlers, but that
may be changed by modifying self.default_handlers.
Arguments:
jid -- The JID owning the node to modify.
node -- The node to change to using static handlers.
handlers -- Optional list of handlers to change to the
static version. If provided, only these
default version. If provided, only these
handlers will be changed. Otherwise, all
handlers will use the static version.
handlers will use the default version.
"""
if handlers is None:
handlers = self._disco_ops
for op in handlers:
self.del_node_handler(op, jid, node)
self.set_node_handler(op, jid, node, getattr(self.static, op))
self.set_node_handler(op, jid, node, self.default_handlers[op])
def get_info(self, jid=None, node=None, local=False, **kwargs):
"""
@@ -609,3 +620,4 @@ class xep_0030(base_plugin):
# Retain some backwards compatibility
xep_0030.getInfo = xep_0030.get_info
xep_0030.getItems = xep_0030.get_items
xep_0030.make_static = xep_0030.restore_defaults

3
sleekxmpp/plugins/xep_0030/static.py
View File

@@ -120,7 +120,8 @@ class StaticDisco(object):
"""
Replace the stored items data for a JID/node combination.
The data parameter is not used.
The data parameter may provided:
items -- A set of items in tuple format.
"""
items = data.get('items', set())
self.add_node(jid, node)

51
sleekxmpp/plugins/xep_0128.py
View File

@@ -1,51 +0,0 @@
"""
SleekXMPP: The Sleek XMPP Library
Copyright (C) 2010 Nathanael C. Fritz, Lance J.T. Stout
This file is part of SleekXMPP.
See the file LICENSE for copying permission.
"""
import logging
from . import base
from .. xmlstream.handler.callback import Callback
from .. xmlstream.matcher.xpath import MatchXPath
from .. xmlstream.stanzabase import registerStanzaPlugin, ElementBase, ET, JID
from .. stanza.iq import Iq
from . xep_0030 import DiscoInfo, DiscoItems
from . xep_0004 import Form
class xep_0128(base.base_plugin):
"""
XEP-0128 Service Discovery Extensions
"""
def plugin_init(self):
self.xep = '0128'
self.description = 'Service Discovery Extensions'
registerStanzaPlugin(DiscoInfo, Form)
registerStanzaPlugin(DiscoItems, Form)
def extend_info(self, node, data=None):
if data is None:
data = {}
node = self.xmpp['xep_0030'].nodes.get(node, None)
if node is None:
self.xmpp['xep_0030'].add_node(node)
info = node.info
info['form']['type'] = 'result'
info['form'].setFields(data, default=None)
def extend_items(self, node, data=None):
if data is None:
data = {}
node = self.xmpp['xep_0030'].nodes.get(node, None)
if node is None:
self.xmpp['xep_0030'].add_node(node)
items = node.items
items['form']['type'] = 'result'
items['form'].setFields(data, default=None)

10
sleekxmpp/plugins/xep_0128/__init__.py Normal file
View File

@@ -0,0 +1,10 @@
"""
SleekXMPP: The Sleek XMPP Library
Copyright (C) 2010 Nathanael C. Fritz, Lance J.T. Stout
This file is part of SleekXMPP.
See the file LICENSE for copying permission.
"""
from sleekxmpp.plugins.xep_0128.static import StaticExtendedDisco
from sleekxmpp.plugins.xep_0128.extended_disco import xep_0128

101
sleekxmpp/plugins/xep_0128/extended_disco.py Normal file
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@@ -0,0 +1,101 @@
"""
SleekXMPP: The Sleek XMPP Library
Copyright (C) 2010 Nathanael C. Fritz, Lance J.T. Stout
This file is part of SleekXMPP.
See the file LICENSE for copying permission.
"""
import logging
import sleekxmpp
from sleekxmpp import Iq
from sleekxmpp.xmlstream import register_stanza_plugin
from sleekxmpp.plugins.base import base_plugin
from sleekxmpp.plugins.xep_0004 import Form
from sleekxmpp.plugins.xep_0030 import DiscoInfo
from sleekxmpp.plugins.xep_0128 import StaticExtendedDisco
class xep_0128(base_plugin):
"""
XEP-0128: Service Discovery Extensions
Allow the use of data forms to add additional identity
information to disco#info results.
Also see <http://www.xmpp.org/extensions/xep-0128.html>.
Attributes:
disco -- A reference to the XEP-0030 plugin.
static -- Object containing the default set of static
node handlers.
xmpp -- The main SleekXMPP object.
Methods:
set_extended_info -- Set extensions to a disco#info result.
add_extended_info -- Add an extension to a disco#info result.
del_extended_info -- Remove all extensions from a disco#info result.
"""
def plugin_init(self):
"""Start the XEP-0128 plugin."""
self.xep = '0128'
self.description = 'Service Discovery Extensions'
self._disco_ops = ['set_extended_info',
'add_extended_info',
'del_extended_info']
register_stanza_plugin(DiscoInfo, Form, iterable=True)
def post_init(self):
"""Handle cross-plugin dependencies."""
base_plugin.post_init(self)
self.disco = self.xmpp['xep_0030']
self.static = StaticExtendedDisco(self.disco.static)
self.disco.set_extended_info = self.set_extended_info
self.disco.add_extended_info = self.add_extended_info
self.disco.del_extended_info = self.del_extended_info
for op in self._disco_ops:
self.disco._add_disco_op(op, getattr(self.static, op))
def set_extended_info(self, jid=None, node=None, **kwargs):
"""
Set additional, extended identity information to a node.
Replaces any existing extended information.
Arguments:
jid -- The JID to modify.
node -- The node to modify.
data -- Either a form, or a list of forms to use
as extended information, replacing any
existing extensions.
"""
self.disco._run_node_handler('set_extended_info', jid, node, kwargs)
def add_extended_info(self, jid=None, node=None, **kwargs):
"""
Add additional, extended identity information to a node.
Arguments:
jid -- The JID to modify.
node -- The node to modify.
data -- Either a form, or a list of forms to add
as extended information.
"""
self.disco._run_node_handler('add_extended_info', jid, node, kwargs)
def del_extended_info(self, jid=None, node=None, **kwargs):
"""
Remove all extended identity information to a node.
Arguments:
jid -- The JID to modify.
node -- The node to modify.
"""
self.disco._run_node_handler('del_extended_info', jid, node, kwargs)

72
sleekxmpp/plugins/xep_0128/static.py Normal file
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@@ -0,0 +1,72 @@
"""
SleekXMPP: The Sleek XMPP Library
Copyright (C) 2010 Nathanael C. Fritz, Lance J.T. Stout
This file is part of SleekXMPP.
See the file LICENSE for copying permission.
"""
import logging
import sleekxmpp
from sleekxmpp.plugins.xep_0030 import StaticDisco
log = logging.getLogger(__name__)
class StaticExtendedDisco(object):
"""
Extend the default StaticDisco implementation to provide
support for extended identity information.
"""
def __init__(self, static):
"""
Augment the default XEP-0030 static handler object.
Arguments:
static -- The default static XEP-0030 handler object.
"""
self.static = static
def set_extended_info(self, jid, node, data):
"""
Replace the extended identity data for a JID/node combination.
The data parameter may provide:
data -- Either a single data form, or a list of data forms.
"""
self.del_extended_info(jid, node, data)
self.add_extended_info(jid, node, data)
def add_extended_info(self, jid, node, data):
"""
Add additional extended identity data for a JID/node combination.
The data parameter may provide:
data -- Either a single data form, or a list of data forms.
"""
self.static.add_node(jid, node)
forms = data.get('data', [])
if not isinstance(forms, list):
forms = [forms]
for form in forms:
self.static.nodes[(jid, node)]['info'].append(form)
def del_extended_info(self, jid, node, data):
"""
Replace the extended identity data for a JID/node combination.
The data parameter is not used.
"""
if (jid, node) not in self.static.nodes:
return
info = self.static.nodes[(jid, node)]['info']
for form in info['substanza']:
info.xml.remove(form.xml)