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# slixmpp.xmlstream.matcher.base
# ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
# Part of Slixmpp: The Slick XMPP Library
# :copyright: (c) 2011 Nathanael C. Fritz
# :license: MIT, see LICENSE for more details
from typing import Any
from slixmpp.xmlstream.stanzabase import StanzaBase
class MatcherBase(object):
"""
Base class for stanza matchers. Stanza matchers are used to pick
stanzas out of the XML stream and pass them to the appropriate
stream handlers.
:param criteria: Object to compare some aspect of a stanza against.
"""
def __init__(self, criteria: Any):
self._criteria = criteria
def match(self, xml: StanzaBase) -> bool:
"""Check if a stanza matches the stored criteria.
Meant to be overridden.
"""
return False
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