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Upgraded how subitem works.

Browse source 
May now use register_stanza_plugin(Foo, Bar, iterable=True)
to add to the set of stanza classes used for iterable
substanzas. It is no longer necessary to manually specify
the contents of subitem if the new method is used.
This commit is contained in:
Lance Stout 2011-01-26 10:04:36 -05:00
parent c3be6ea0b2
commit 4e757c2b56
1 changed files with 19 additions and 7 deletions
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16
sleekxmpp/xmlstream/stanzabase.py
View file

@ -23,17 +23,23 @@ log = logging.getLogger(__name__)
XML_TYPE = type(ET.Element('xml'))
def register_stanza_plugin(stanza, plugin):
def register_stanza_plugin(stanza, plugin, iterable=False):
"""
Associate a stanza object as a plugin for another stanza.
Arguments:
stanza -- The class of the parent stanza.
plugin -- The class of the plugin stanza.
iterable -- Indicates if the plugin stanza
should be included in the parent
stanza's iterable 'substanzas'
interface results.
"""
tag = "{%s}%s" % (plugin.namespace, plugin.name)
stanza.plugin_attrib_map[plugin.plugin_attrib] = plugin
stanza.plugin_tag_map[tag] = plugin
if iterable:
stanza.plugin_iterables.add(plugin)
# To maintain backwards compatibility for now, preserve the camel case name.
@ -120,12 +126,15 @@ class ElementBase(object):
sub_interfaces -- A subset of the set of interfaces which map
to subelements instead of attributes.
subitem -- A set of stanza classes which are allowed to
be added as substanzas.
be added as substanzas. Deprecated version
of plugin_iterables.
types -- A set of generic type attribute values.
plugin_attrib -- The interface name that the stanza uses to be
accessed as a plugin from another stanza.
plugin_attrib_map -- A mapping of plugin attribute names with the
associated plugin stanza classes.
plugin_iterables -- A set of stanza classes which are allowed to
be added as substanzas.
plugin_tag_map -- A mapping of plugin stanza tag names with
the associated plugin stanza classes.
is_extension -- When True, allows the stanza to provide one
@ -187,6 +196,7 @@ class ElementBase(object):
types = set(('get', 'set', 'error', None, 'unavailable', 'normal', 'chat'))
sub_interfaces = tuple()
plugin_attrib_map = {}
plugin_iterables = set()
plugin_tag_map = {}
subitem = None
is_extension = False
@ -235,6 +245,8 @@ class ElementBase(object):
self.plugins[plugin.plugin_attrib] = plugin(child, self)
if self.subitem is not None:
for sub in self.subitem:
self.plugin_iterables.add(sub)
for sub in self.plugin_iterables:
if child.tag == "{%s}%s" % (sub.namespace, sub.name):
self.iterables.append(sub(child, self))
break