diff options
Diffstat (limited to 'sleekxmpp/plugins/xep_0059')
-rw-r--r-- | sleekxmpp/plugins/xep_0059/__init__.py | 18 | ||||
-rw-r--r-- | sleekxmpp/plugins/xep_0059/rsm.py | 145 | ||||
-rw-r--r-- | sleekxmpp/plugins/xep_0059/stanza.py | 108 |
3 files changed, 0 insertions, 271 deletions
diff --git a/sleekxmpp/plugins/xep_0059/__init__.py b/sleekxmpp/plugins/xep_0059/__init__.py deleted file mode 100644 index 3464ce32..00000000 --- a/sleekxmpp/plugins/xep_0059/__init__.py +++ /dev/null @@ -1,18 +0,0 @@ -""" - SleekXMPP: The Sleek XMPP Library - Copyright (C) 2010 Nathanael C. Fritz, Erik Reuterborg Larsson - This file is part of SleekXMPP. - - See the file LICENSE for copying permission. -""" - -from sleekxmpp.plugins.base import register_plugin - -from sleekxmpp.plugins.xep_0059.stanza import Set -from sleekxmpp.plugins.xep_0059.rsm import ResultIterator, XEP_0059 - - -register_plugin(XEP_0059) - -# Retain some backwards compatibility -xep_0059 = XEP_0059 diff --git a/sleekxmpp/plugins/xep_0059/rsm.py b/sleekxmpp/plugins/xep_0059/rsm.py deleted file mode 100644 index d73b45bc..00000000 --- a/sleekxmpp/plugins/xep_0059/rsm.py +++ /dev/null @@ -1,145 +0,0 @@ -""" - SleekXMPP: The Sleek XMPP Library - Copyright (C) 2010 Nathanael C. Fritz, Erik Reuterborg Larsson - This file is part of SleekXMPP. - - See the file LICENSE for copying permission. -""" - -import logging - -import sleekxmpp -from sleekxmpp import Iq -from sleekxmpp.plugins import BasePlugin, register_plugin -from sleekxmpp.xmlstream import register_stanza_plugin -from sleekxmpp.plugins.xep_0059 import stanza, Set -from sleekxmpp.exceptions import XMPPError - - -log = logging.getLogger(__name__) - - -class ResultIterator(): - - """ - An iterator for Result Set Managment - """ - - def __init__(self, query, interface, results='substanzas', amount=10, - start=None, reverse=False): - """ - Arguments: - query -- The template query - interface -- The substanza of the query, for example disco_items - results -- The query stanza's interface which provides a - countable list of query results. - amount -- The max amounts of items to request per iteration - start -- From which item id to start - reverse -- If True, page backwards through the results - - Example: - q = Iq() - q['to'] = 'pubsub.example.com' - q['disco_items']['node'] = 'blog' - for i in ResultIterator(q, 'disco_items', '10'): - print i['disco_items']['items'] - - """ - self.query = query - self.amount = amount - self.start = start - self.interface = interface - self.results = results - self.reverse = reverse - self._stop = False - - def __iter__(self): - return self - - def __next__(self): - return self.next() - - def next(self): - """ - Return the next page of results from a query. - - Note: If using backwards paging, then the next page of - results will be the items before the current page - of items. - """ - if self._stop: - raise StopIteration - self.query[self.interface]['rsm']['before'] = self.reverse - self.query['id'] = self.query.stream.new_id() - self.query[self.interface]['rsm']['max'] = str(self.amount) - - if self.start and self.reverse: - self.query[self.interface]['rsm']['before'] = self.start - elif self.start: - self.query[self.interface]['rsm']['after'] = self.start - - try: - r = self.query.send(block=True) - - if not r[self.interface]['rsm']['first'] and \ - not r[self.interface]['rsm']['last']: - raise StopIteration - - if r[self.interface]['rsm']['count'] and \ - r[self.interface]['rsm']['first_index']: - count = int(r[self.interface]['rsm']['count']) - first = int(r[self.interface]['rsm']['first_index']) - num_items = len(r[self.interface][self.results]) - if first + num_items == count: - self._stop = True - - if self.reverse: - self.start = r[self.interface]['rsm']['first'] - else: - self.start = r[self.interface]['rsm']['last'] - - return r - except XMPPError: - raise StopIteration - - -class XEP_0059(BasePlugin): - - """ - XEP-0050: Result Set Management - """ - - name = 'xep_0059' - description = 'XEP-0059: Result Set Management' - dependencies = set(['xep_0030']) - stanza = stanza - - def plugin_init(self): - """ - Start the XEP-0059 plugin. - """ - register_stanza_plugin(self.xmpp['xep_0030'].stanza.DiscoItems, - self.stanza.Set) - - def plugin_end(self): - self.xmpp['xep_0030'].del_feature(feature=Set.namespace) - - def session_bind(self, jid): - self.xmpp['xep_0030'].add_feature(Set.namespace) - - def iterate(self, stanza, interface, results='substanzas'): - """ - Create a new result set iterator for a given stanza query. - - Arguments: - stanza -- A stanza object to serve as a template for - queries made each iteration. For example, a - basic disco#items query. - interface -- The name of the substanza to which the - result set management stanza should be - appended. For example, for disco#items queries - the interface 'disco_items' should be used. - results -- The name of the interface containing the - query results (typically just 'substanzas'). - """ - return ResultIterator(stanza, interface, results) diff --git a/sleekxmpp/plugins/xep_0059/stanza.py b/sleekxmpp/plugins/xep_0059/stanza.py deleted file mode 100644 index 48f5c8a0..00000000 --- a/sleekxmpp/plugins/xep_0059/stanza.py +++ /dev/null @@ -1,108 +0,0 @@ -""" - SleekXMPP: The Sleek XMPP Library - Copyright (C) 2010 Nathanael C. Fritz, Erik Reuterborg Larsson - This file is part of SleekXMPP. - - See the file LICENSE for copying permission. -""" - -from sleekxmpp.xmlstream import ElementBase, ET -from sleekxmpp.plugins.xep_0030.stanza.items import DiscoItems - - -class Set(ElementBase): - - """ - XEP-0059 (Result Set Managment) can be used to manage the - results of queries. For example, limiting the number of items - per response or starting at certain positions. - - Example set stanzas: - <iq type="get"> - <query xmlns="http://jabber.org/protocol/disco#items"> - <set xmlns="http://jabber.org/protocol/rsm"> - <max>2</max> - </set> - </query> - </iq> - - <iq type="result"> - <query xmlns="http://jabber.org/protocol/disco#items"> - <item jid="conference.example.com" /> - <item jid="pubsub.example.com" /> - <set xmlns="http://jabber.org/protocol/rsm"> - <first>conference.example.com</first> - <last>pubsub.example.com</last> - </set> - </query> - </iq> - - Stanza Interface: - first_index -- The index attribute of <first> - after -- The id defining from which item to start - before -- The id defining from which item to - start when browsing backwards - max -- Max amount per response - first -- Id for the first item in the response - last -- Id for the last item in the response - index -- Used to set an index to start from - count -- The number of remote items available - - Methods: - set_first_index -- Sets the index attribute for <first> and - creates the element if it doesn't exist - get_first_index -- Returns the value of the index - attribute for <first> - del_first_index -- Removes the index attribute for <first> - but keeps the element - set_before -- Sets the value of <before>, if the value is True - then the element will be created without a value - get_before -- Returns the value of <before>, if it is - empty it will return True - - """ - namespace = 'http://jabber.org/protocol/rsm' - name = 'set' - plugin_attrib = 'rsm' - sub_interfaces = set(('first', 'after', 'before', 'count', - 'index', 'last', 'max')) - interfaces = set(('first_index', 'first', 'after', 'before', - 'count', 'index', 'last', 'max')) - - def set_first_index(self, val): - fi = self.find("{%s}first" % (self.namespace)) - if fi is not None: - if val: - fi.attrib['index'] = val - elif 'index' in fi.attrib: - del fi.attrib['index'] - elif val: - fi = ET.Element("{%s}first" % (self.namespace)) - fi.attrib['index'] = val - self.xml.append(fi) - - def get_first_index(self): - fi = self.find("{%s}first" % (self.namespace)) - if fi is not None: - return fi.attrib.get('index', '') - - def del_first_index(self): - fi = self.xml.find("{%s}first" % (self.namespace)) - if fi is not None: - del fi.attrib['index'] - - def set_before(self, val): - b = self.xml.find("{%s}before" % (self.namespace)) - if b is None and val is True: - self._set_sub_text('{%s}before' % self.namespace, '', True) - else: - self._set_sub_text('{%s}before' % self.namespace, val) - - def get_before(self): - b = self.xml.find("{%s}before" % (self.namespace)) - if b is not None and not b.text: - return True - elif b is not None: - return b.text - else: - return None |