NS_CLIENT = 'jabber:client'
NS_ROSTER = 'jabber:iq:roster'
NS_AUTH = 'jabber:iq:auth'
NS_STREAMS = 'http://etherx.jabber.org/streams'
NS_XMPP_TLS = 'urn:ietf:params:xml:ns:xmpp-tls'
NS_COMMANDS = 'http://jabber.org/protocol/commands'
TLS_XMLNS = 'urn:ietf:params:xml:ns:xmpp-tls'
SASL_XMLNS = 'urn:ietf:params:xml:ns:xmpp-sasl'
BIND_XMLNS = 'urn:ietf:params:xml:ns:xmpp-bind'
SESSION_XMLNS = 'urn:ietf:params:xml:ns:xmpp-session'
STREAMS_XMLNS = 'urn:ietf:params:xml:ns:xmpp-streams'
IQ_GET = "/iq[@type='get']"
IQ_SET = "/iq[@type='set']"
IQ_GET_AUTH = IQ_GET+"/query[@xmlns='%s']" % (NS_AUTH,)
IQ_SET_AUTH = IQ_SET+"/query[@xmlns='%s']" % (NS_AUTH,)
XMPP_PREFIXES = {NS_STREAMS:'stream'}
# NS_COMMANDS: 'commands'}