def __error(self, stanza):
"""Handle disco error response.
:Parameters:
- `stanza`: the stanza received.
:Types:
- `stanza`: `pyxmpp.stanza.Stanza`"""
try:
self.error(stanza.get_error())
except ProtocolError:
from pyxmpp.error import StanzaErrorNode
self.error(StanzaErrorNode("undefined-condition"))
def get_error(self):
"""Get stanza error information.
:return: object describing the error.
:returntype: `pyxmpp.error.StanzaErrorNode`"""
if self._error:
return self._error
n=self.xpath_eval(u"ns:error")
if not n:
raise ProtocolError, (None, "This stanza contains no error: %r" % (self.serialize(),))
from pyxmpp.error import StanzaErrorNode
self._error=StanzaErrorNode(n[0],copy=0)
return self._error
def __init__(self, name_or_xmlnode, from_jid=None, to_jid=None,
stanza_type=None, stanza_id=None, error=None, error_cond=None,
stream = None):
"""Initialize a Stanza object.
:Parameters:
- `name_or_xmlnode`: XML node to be wrapped into the Stanza object
or other Presence object to be copied. If not given then new
presence stanza is created using following parameters.
- `from_jid`: sender JID.
- `to_jid`: recipient JID.
- `stanza_type`: staza type: one of: "get", "set", "result" or "error".
- `stanza_id`: stanza id -- value of stanza's "id" attribute. If
not given, then unique for the session value is generated.
- `error`: error object. Ignored if `stanza_type` is not "error".
- `error_cond`: error condition name. Ignored if `stanza_type` is not
"error" or `error` is not None.
:Types:
- `name_or_xmlnode`: `unicode` or `libxml2.xmlNode` or `Stanza`
- `from_jid`: `JID`
- `to_jid`: `JID`
- `stanza_type`: `unicode`
- `stanza_id`: `unicode`
- `error`: `pyxmpp.error.StanzaErrorNode`
- `error_cond`: `unicode`"""
self._error=None
self.xmlnode=None
if isinstance(name_or_xmlnode,Stanza):
self.xmlnode=name_or_xmlnode.xmlnode.copyNode(1)
common_doc.addChild(self.xmlnode)
elif isinstance(name_or_xmlnode,libxml2.xmlNode):
self.xmlnode=name_or_xmlnode.docCopyNode(common_doc,1)
common_doc.addChild(self.xmlnode)
try:
ns = self.xmlnode.ns()
except libxml2.treeError:
ns = None
if not ns or not ns.name:
xmlextra.replace_ns(self.xmlnode, ns, common_ns)
else:
self.xmlnode=common_doc.newChild(common_ns,name_or_xmlnode,None)
if from_jid is not None:
if not isinstance(from_jid,JID):
from_jid=JID(from_jid)
self.xmlnode.setProp("from",from_jid.as_utf8())
if to_jid is not None:
if not isinstance(to_jid,JID):
to_jid=JID(to_jid)
self.xmlnode.setProp("to",to_jid.as_utf8())
if stanza_type:
self.xmlnode.setProp("type",stanza_type)
if stanza_id:
self.xmlnode.setProp("id",stanza_id)
if self.get_type()=="error":
from pyxmpp.error import StanzaErrorNode
if error:
self._error=StanzaErrorNode(error,parent=self.xmlnode,copy=1)
elif error_cond:
self._error=StanzaErrorNode(error_cond,parent=self.xmlnode)
self.stream = stream
