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Add out_sync filter category.

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Added option to XMLStream.send() to skip applying filters.

Filters in the out_sync group are synced with placing stanza content
either on the wire directly or into the send queue. Because of this,
out_sync filters should not block.
This commit is contained in:
Lance Stout 2012-03-18 00:59:45 -07:00
parent 33d01fb694
commit fbdf2bed49
1 changed files with 23 additions and 8 deletions
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23
sleekxmpp/xmlstream/xmlstream.py
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@ -267,6 +267,7 @@ class XMLStream(object):
#: A queue of string data to be sent over the stream.
self.send_queue = queue.Queue()
self.send_queue_lock = threading.Lock()
#: A :class:`~sleekxmpp.xmlstream.scheduler.Scheduler` instance for
#: executing callbacks in the future based on time delays.
@ -281,7 +282,7 @@ class XMLStream(object):
self.__handlers = []
self.__event_handlers = {}
self.__event_handlers_lock = threading.Lock()
self.__filters = {'in': [], 'out': []}
self.__filters = {'in': [], 'out': [], 'out_sync': []}
self._id = 0
self._id_lock = threading.Lock()
@ -1080,7 +1081,7 @@ class XMLStream(object):
"""
return xml
def send(self, data, mask=None, timeout=None, now=False):
def send(self, data, mask=None, timeout=None, now=False, use_filters=True):
"""A wrapper for :meth:`send_raw()` for sending stanza objects.
May optionally block until an expected response is received.
@ -1098,6 +1099,10 @@ class XMLStream(object):
sending the stanza immediately. Useful mainly
for stream initialization stanzas.
Defaults to ``False``.
:param bool use_filters: Indicates if outgoing filters should be
applied to the given stanza data. Disabling
filters is useful when resending stanzas.
Defaults to ``True``.
"""
if timeout is None:
timeout = self.response_timeout
@ -1105,18 +1110,28 @@ class XMLStream(object):
mask = mask.xml
if isinstance(data, ElementBase):
if use_filters:
for filter in self.__filters['out']:
if data is not None:
data = filter(data)
if data is None:
return
data = str(data)
if mask is not None:
log.warning("Use of send mask waiters is deprecated.")
wait_for = Waiter("SendWait_%s" % self.new_id(),
MatchXMLMask(mask))
self.register_handler(wait_for)
if isinstance(data, ElementBase):
with self.send_queue_lock:
if use_filters:
for filter in self.__filters['out_sync']:
data = filter(data)
if data is None:
return
str_data = str(data)
self.send_raw(str_data, now)
else:
self.send_raw(data, now)
if mask is not None:
return wait_for.wait(timeout)