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.. _glossary:
Glossary
========
.. glossary::
:sorted:
stream handler
A callback function that accepts stanza objects pulled directly
from the XML stream. A stream handler is encapsulated in a
object that includes a :class:`Matcher <.MatcherBase>` object, and
which provides additional semantics. For example, the
:class:`.Waiter` handler wrapper blocks thread execution until a
matching stanza is received.
event handler
A callback function that responds to events raised by
:meth:`.XMLStream.event`.
stanza object
Informally may refer both to classes which extend :class:`.ElementBase`
or :class:`.StanzaBase`, and to objects of such classes.
A stanza object is a wrapper for an XML object which exposes :class:`dict`
like interfaces which may be assigned to, read from, or deleted.
stanza plugin
A :term:`stanza object` which has been registered as a potential child
of another stanza object. The plugin stanza may accessed through the
parent stanza using the plugin's ``plugin_attrib`` as an interface.
substanza
See :term:`stanza plugin`
interfaces
A set of keys defined on a :term:`stanza plugin`.
stanza
An XML payload sent over the XML stream, which is the root of XMPP.
A stanza is either ``<iq/>``, ``<message/>`` or ``<presence/>``. Other
elements are called nonzas.
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