mirror of
https://github.com/correl/SleekXMPP.git
synced 2024-11-27 11:09:56 +00:00
Added new XEP-0059 plugin.
Contributed by Erik Reuterborg Larsson (who).
This commit is contained in:
Lance Stout
parent
13a2f719f4
commit
a8e3657487
5 changed files with 504 additions and 0 deletions
10
sleekxmpp/plugins/xep_0059/__init__.py
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10
sleekxmpp/plugins/xep_0059/__init__.py
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@ -0,0 +1,10 @@
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"""
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SleekXMPP: The Sleek XMPP Library
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Copyright (C) 2010 Nathanael C. Fritz, Erik Reuterborg Larsson
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This file is part of SleekXMPP.
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See the file LICENSE for copying permission.
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"""
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from sleekxmpp.plugins.xep_0059.stanza import Set
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from sleekxmpp.plugins.xep_0059.rsm import ResultIterator, xep_0059
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118
sleekxmpp/plugins/xep_0059/rsm.py
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118
sleekxmpp/plugins/xep_0059/rsm.py
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"""
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SleekXMPP: The Sleek XMPP Library
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Copyright (C) 2010 Nathanael C. Fritz, Erik Reuterborg Larsson
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This file is part of SleekXMPP.
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See the file LICENSE for copying permission.
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"""
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import logging
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import sleekxmpp
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from sleekxmpp import Iq
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from sleekxmpp.plugins.base import base_plugin
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from sleekxmpp.xmlstream import register_stanza_plugin
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from sleekxmpp.plugins.xep_0059 import Set
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log = logging.getLogger(__name__)
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class ResultIterator():
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"""
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An iterator for Result Set Managment
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"""
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def __init__(self, query, interface, amount=10, start=None, reverse=False):
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"""
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Arguments:
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query -- The template query
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interface -- The substanza of the query, for example disco_items
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amount -- The max amounts of items to request per iteration
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start -- From which item id to start
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reverse -- If True, page backwards through the results
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Example:
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q = Iq()
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q['to'] = 'pubsub.example.com'
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q['disco_items']['node'] = 'blog'
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for i in ResultIterator(q, 'disco_items', '10'):
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print i['disco_items']['items']
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"""
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self.query = query
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self.amount = amount
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self.start = start
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self.interface = interface
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self.reverse = reverse
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def __iter__(self):
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return self
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def __next__(self):
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return self.next()
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def next(self):
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"""
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Return the next page of results from a query.
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Note: If using backwards paging, then the next page of
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results will be the items before the current page
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of items.
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"""
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self.query[self.interface]['rsm']['before'] = self.reverse
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self.query['id'] = self.query.stream.new_id()
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self.query[self.interface]['rsm']['max'] = str(self.amount)
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if self.start and self.reverse:
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self.query[self.interface]['rsm']['before'] = self.start
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elif self.start:
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self.query[self.interface]['rsm']['after'] = self.start
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r = self.query.send(block=True)
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if not r or not r[self.interface]['rsm']['first'] and \
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not r[self.interface]['rsm']['last']:
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raise StopIteration
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if self.reverse:
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self.start = r[self.interface]['rsm']['first']
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else:
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self.start = r[self.interface]['rsm']['last']
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return r
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class xep_0059(base_plugin):
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"""
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XEP-0050: Result Set Management
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"""
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def plugin_init(self):
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"""
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Start the XEP-0059 plugin.
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"""
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self.xep = '0059'
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self.description = 'Result Set Management'
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self.stanza = sleekxmpp.plugins.xep_0059.stanza
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def post_init(self):
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"""Handle inter-plugin dependencies."""
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self.xmpp['xep_0030'].add_feature(Set.namespace)
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def iterate(self, stanza, interface):
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"""
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Create a new result set iterator for a given stanza query.
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Arguments:
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stanza -- A stanza object to serve as a template for
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queries made each iteration. For example, a
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basic disco#items query.
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interface -- The name of the substanza to which the
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result set management stanza should be
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appended. For example, for disco#items queries
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the interface 'disco_items' should be used.
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"""
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return ResultIterator(stanza, interface)
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108
sleekxmpp/plugins/xep_0059/stanza.py
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108
sleekxmpp/plugins/xep_0059/stanza.py
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@ -0,0 +1,108 @@
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"""
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SleekXMPP: The Sleek XMPP Library
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Copyright (C) 2010 Nathanael C. Fritz, Erik Reuterborg Larsson
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This file is part of SleekXMPP.
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See the file LICENSE for copying permission.
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"""
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from sleekxmpp.xmlstream import ElementBase, ET
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from sleekxmpp.plugins.xep_0030.stanza.items import DiscoItems
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class Set(ElementBase):
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"""
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XEP-0059 (Result Set Managment) can be used to manage the
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results of queries. For example, limiting the number of items
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per response or starting at certain positions.
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Example set stanzas:
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<iq type="get">
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<query xmlns="http://jabber.org/protocol/disco#items">
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<set xmlns="http://jabber.org/protocol/rsm">
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<max>2</max>
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</set>
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</query>
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</iq>
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<iq type="result">
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<query xmlns="http://jabber.org/protocol/disco#items">
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<item jid="conference.example.com" />
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<item jid="pubsub.example.com" />
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<set xmlns="http://jabber.org/protocol/rsm">
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<first>conference.example.com</first>
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<last>pubsub.example.com</last>
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</set>
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</query>
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</iq>
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Stanza Interface:
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first_index -- The index attribute of <first>
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after -- The id defining from which item to start
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before -- The id defining from which item to
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start when browsing backwards
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max -- Max amount per response
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first -- Id for the first item in the response
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last -- Id for the last item in the response
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index -- Used to set an index to start from
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count -- The number of remote items available
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Methods:
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set_first_index -- Sets the index attribute for <first> and
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creates the element if it doesn't exist
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get_first_index -- Returns the value of the index
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attribute for <first>
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del_first_index -- Removes the index attribute for <first>
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but keeps the element
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set_before -- Sets the value of <before>, if the value is True
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then the element will be created without a value
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get_before -- Returns the value of <before>, if it is
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empty it will return True
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"""
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namespace = 'http://jabber.org/protocol/rsm'
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name = 'set'
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plugin_attrib = 'rsm'
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sub_interfaces = set(('first', 'after', 'before', 'count',
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'index', 'last', 'max'))
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interfaces = set(('first_index', 'first', 'after', 'before',
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'count', 'index', 'last', 'max'))
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def set_first_index(self, val):
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fi = self.find("{%s}first" % (self.namespace))
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if fi is not None:
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if val:
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fi.attrib['index'] = val
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else:
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del fi.attrib['index']
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elif val:
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fi = ET.Element("{%s}first" % (self.namespace))
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fi.attrib['index'] = val
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self.xml.append(fi)
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def get_first_index(self):
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fi = self.find("{%s}first" % (self.namespace))
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if fi is not None:
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return fi.attrib.get('index', '')
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def del_first_index(self):
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fi = self.xml.find("{%s}first" % (self.namespace))
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if fi is not None:
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del fi.attrib['index']
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def set_before(self, val):
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b = self.xml.find("{%s}before" % (self.namespace))
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if b is None and val == True:
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self._set_sub_text('{%s}before' % self.namespace, '', True)
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else:
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self._set_sub_text('{%s}before' % self.namespace, val)
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def get_before(self):
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b = self.xml.find("{%s}before" % (self.namespace))
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if b is not None and not b.text:
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return True
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elif b is not None:
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return b.text
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else:
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return None
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106
tests/test_stanza_xep_0059.py
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106
tests/test_stanza_xep_0059.py
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from sleekxmpp.test import *
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from sleekxmpp.plugins.xep_0059 import Set
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class TestSetStanzas(SleekTest):
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def testSetFirstIndex(self):
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s = Set()
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s['first'] = 'id'
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s.set_first_index('10')
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self.check(s, """
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<set xmlns="http://jabber.org/protocol/rsm">
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<first index="10">id</first>
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</set>
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""")
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def testGetFirstIndex(self):
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xml_string = """
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<set xmlns="http://jabber.org/protocol/rsm">
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<first index="10">id</first>
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</set>
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"""
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s = Set(ET.fromstring(xml_string))
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expected = '10'
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self.failUnless(s['first_index'] == expected)
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def testDelFirstIndex(self):
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xml_string = """
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<set xmlns="http://jabber.org/protocol/rsm">
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<first index="10">id</first>
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</set>
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"""
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s = Set(ET.fromstring(xml_string))
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del s['first_index']
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self.check(s, """
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<set xmlns="http://jabber.org/protocol/rsm">
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<first>id</first>
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</set>
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""")
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def testSetBefore(self):
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s = Set()
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s['before'] = True
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self.check(s, """
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<set xmlns="http://jabber.org/protocol/rsm">
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<before />
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</set>
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""")
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def testGetBefore(self):
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xml_string = """
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<set xmlns="http://jabber.org/protocol/rsm">
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<before />
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</set>
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"""
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s = Set(ET.fromstring(xml_string))
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expected = True
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self.failUnless(s['before'] == expected)
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def testGetBefore(self):
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xml_string = """
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<set xmlns="http://jabber.org/protocol/rsm">
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<before />
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</set>
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"""
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s = Set(ET.fromstring(xml_string))
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del s['before']
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self.check(s, """
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<set xmlns="http://jabber.org/protocol/rsm">
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</set>
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""")
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def testSetBeforeVal(self):
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s = Set()
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s['before'] = 'id'
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self.check(s, """
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<set xmlns="http://jabber.org/protocol/rsm">
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<before>id</before>
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</set>
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""")
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def testGetBeforeVal(self):
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xml_string = """
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<set xmlns="http://jabber.org/protocol/rsm">
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<before>id</before>
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</set>
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"""
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s = Set(ET.fromstring(xml_string))
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expected = 'id'
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self.failUnless(s['before'] == expected)
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def testGetBeforeVal(self):
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xml_string = """
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<set xmlns="http://jabber.org/protocol/rsm">
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<before>id</before>
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</set>
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"""
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s = Set(ET.fromstring(xml_string))
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del s['before']
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self.check(s, """
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<set xmlns="http://jabber.org/protocol/rsm">
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</set>
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""")
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suite = unittest.TestLoader().loadTestsFromTestCase(TestSetStanzas)
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162
tests/test_stream_xep_0059.py
Normal file
162
tests/test_stream_xep_0059.py
Normal file
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@ -0,0 +1,162 @@
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import threading
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from sleekxmpp.test import *
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from sleekxmpp.xmlstream import register_stanza_plugin
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from sleekxmpp.plugins.xep_0030 import DiscoItems
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from sleekxmpp.plugins.xep_0059 import ResultIterator, Set
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class TestStreamSet(SleekTest):
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def setUp(self):
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register_stanza_plugin(DiscoItems, Set)
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def tearDown(self):
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self.stream_close()
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def iter(self, rev=False):
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q = self.xmpp.Iq()
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q['type'] = 'get'
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it = ResultIterator(q, 'disco_items', '1', reverse=rev)
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for i in it:
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for j in i['disco_items']['items']:
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self.items.append(j[0])
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def testResultIterator(self):
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self.items = []
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self.stream_start(mode='client')
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t = threading.Thread(target=self.iter)
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t.start()
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self.send("""
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<iq type="get" id="2">
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<query xmlns="http://jabber.org/protocol/disco#items">
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<set xmlns="http://jabber.org/protocol/rsm">
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<max>1</max>
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</set>
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</query>
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</iq>
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""")
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self.recv("""
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<iq type="result" id="2">
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<query xmlns="http://jabber.org/protocol/disco#items">
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<item jid="item1" />
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<set xmlns="http://jabber.org/protocol/rsm">
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<last>item1</last>
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</set>
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</query>
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</iq>
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""")
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self.send("""
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<iq type="get" id="3">
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<query xmlns="http://jabber.org/protocol/disco#items">
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<set xmlns="http://jabber.org/protocol/rsm">
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<max>1</max>
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<after>item1</after>
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</set>
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</query>
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</iq>
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""")
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self.recv("""
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<iq type="result" id="3">
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<query xmlns="http://jabber.org/protocol/disco#items">
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<item jid="item2" />
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<set xmlns="http://jabber.org/protocol/rsm">
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<last>item2</last>
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</set>
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</query>
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</iq>
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""")
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self.send("""
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<iq type="get" id="4">
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<query xmlns="http://jabber.org/protocol/disco#items">
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<set xmlns="http://jabber.org/protocol/rsm">
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<max>1</max>
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<after>item2</after>
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</set>
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</query>
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</iq>
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""")
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self.recv("""
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<iq type="result" id="4">
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<query xmlns="http://jabber.org/protocol/disco#items">
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<item jid="item2" />
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<set xmlns="http://jabber.org/protocol/rsm">
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</set>
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</query>
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</iq>
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""")
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t.join()
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self.failUnless(self.items == ['item1', 'item2'])
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def testResultIteratorReverse(self):
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self.items = []
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self.stream_start(mode='client')
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t = threading.Thread(target=self.iter, args=(True,))
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t.start()
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self.send("""
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<iq type="get" id="2">
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<query xmlns="http://jabber.org/protocol/disco#items">
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<set xmlns="http://jabber.org/protocol/rsm">
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<max>1</max>
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<before />
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</set>
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</query>
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</iq>
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""")
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self.recv("""
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<iq type="result" id="2">
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<query xmlns="http://jabber.org/protocol/disco#items">
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<item jid="item2" />
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<set xmlns="http://jabber.org/protocol/rsm">
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<first>item2</first>
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</set>
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</query>
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</iq>
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""")
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self.send("""
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<iq type="get" id="3">
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<query xmlns="http://jabber.org/protocol/disco#items">
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<set xmlns="http://jabber.org/protocol/rsm">
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<max>1</max>
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<before>item2</before>
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</set>
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</query>
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</iq>
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""")
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self.recv("""
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<iq type="result" id="3">
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<query xmlns="http://jabber.org/protocol/disco#items">
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<item jid="item1" />
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<set xmlns="http://jabber.org/protocol/rsm">
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<first>item1</first>
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</set>
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</query>
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</iq>
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""")
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self.send("""
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<iq type="get" id="4">
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<query xmlns="http://jabber.org/protocol/disco#items">
|
||||
<set xmlns="http://jabber.org/protocol/rsm">
|
||||
<max>1</max>
|
||||
<before>item1</before>
|
||||
</set>
|
||||
</query>
|
||||
</iq>
|
||||
""")
|
||||
self.recv("""
|
||||
<iq type="result" id="4">
|
||||
<query xmlns="http://jabber.org/protocol/disco#items">
|
||||
<item jid="item1" />
|
||||
<set xmlns="http://jabber.org/protocol/rsm">
|
||||
</set>
|
||||
</query>
|
||||
</iq>
|
||||
""")
|
||||
|
||||
t.join()
|
||||
self.failUnless(self.items == ['item2', 'item1'])
|
||||
|
||||
|
||||
suite = unittest.TestLoader().loadTestsFromTestCase(TestStreamSet)
|
||||
Loading…
Reference in a new issue