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-rw-r--r--sleekxmpp/xmlstream/scheduler.py87
-rw-r--r--sleekxmpp/xmlstream/stanzabase.py7
-rw-r--r--sleekxmpp/xmlstream/xmlstream.py21
3 files changed, 109 insertions, 6 deletions
diff --git a/sleekxmpp/xmlstream/scheduler.py b/sleekxmpp/xmlstream/scheduler.py
new file mode 100644
index 00000000..945d9fad
--- /dev/null
+++ b/sleekxmpp/xmlstream/scheduler.py
@@ -0,0 +1,87 @@
+try:
+ import queue
+except ImportError:
+ import Queue as queue
+import time
+import threading
+import logging
+
+class Task(object):
+ """Task object for the Scheduler class"""
+ def __init__(self, name, seconds, callback, args=None, kwargs=None, repeat=False, qpointer=None):
+ self.name = name
+ self.seconds = seconds
+ self.callback = callback
+ self.args = args or tuple()
+ self.kwargs = kwargs or {}
+ self.repeat = repeat
+ self.next = time.time() + self.seconds
+ self.qpointer = qpointer
+
+ def run(self):
+ if self.qpointer is not None:
+ self.qpointer.put(('schedule', self.callback, self.args))
+ else:
+ self.callback(*self.args, **self.kwargs)
+ self.reset()
+ return self.repeat
+
+ def reset(self):
+ self.next = time.time() + self.seconds
+
+class Scheduler(object):
+ """Threaded scheduler that allows for updates mid-execution unlike http://docs.python.org/library/sched.html#module-sched"""
+ def __init__(self, parentqueue=None):
+ self.addq = queue.Queue()
+ self.schedule = []
+ self.thread = None
+ self.run = False
+ self.parentqueue = parentqueue
+
+ def process(self, threaded=True):
+ if threaded:
+ self.thread = threading.Thread(name='shedulerprocess', target=self._process)
+ self.thread.start()
+ else:
+ self._process()
+
+ def _process(self):
+ self.run = True
+ while self.run:
+ try:
+ wait = 1
+ updated = False
+ if self.schedule:
+ wait = self.schedule[0].next - time.time()
+ try:
+ if wait <= 0.0:
+ newtask = self.addq.get(False)
+ else:
+ newtask = self.addq.get(True, wait)
+ except queue.Empty:
+ cleanup = []
+ for task in self.schedule:
+ if time.time() >= task.next:
+ updated = True
+ if not task.run():
+ cleanup.append(task)
+ else:
+ break
+ for task in cleanup:
+ x = self.schedule.pop(self.schedule.index(task))
+ else:
+ updated = True
+ self.schedule.append(newtask)
+ finally:
+ if updated: self.schedule = sorted(self.schedule, key=lambda task: task.next)
+ except KeyboardInterrupt:
+ self.run = False
+ logging.debug("Qutting Scheduler thread")
+ if self.parentqueue is not None:
+ self.parentqueue.put(('quit', None, None))
+
+ def add(self, name, seconds, callback, args=None, kwargs=None, repeat=False, qpointer=None):
+ self.addq.put(Task(name, seconds, callback, args, kwargs, repeat, qpointer))
+
+ def quit(self):
+ self.run = False
diff --git a/sleekxmpp/xmlstream/stanzabase.py b/sleekxmpp/xmlstream/stanzabase.py
index 3f3f5e08..64020c8f 100644
--- a/sleekxmpp/xmlstream/stanzabase.py
+++ b/sleekxmpp/xmlstream/stanzabase.py
@@ -78,6 +78,9 @@ class ElementBase(tostring.ToString):
def __iter__(self):
self.idx = 0
return self
+
+ def __bool__(self):
+ return True
def __next__(self):
self.idx += 1
@@ -319,6 +322,8 @@ class StanzaBase(ElementBase):
def __init__(self, stream=None, xml=None, stype=None, sto=None, sfrom=None, sid=None):
self.stream = stream
+ if stream is not None:
+ self.namespace = stream.default_ns
ElementBase.__init__(self, xml)
if stype is not None:
self['type'] = stype
@@ -326,8 +331,6 @@ class StanzaBase(ElementBase):
self['to'] = sto
if sfrom is not None:
self['from'] = sfrom
- if stream is not None:
- self.namespace = stream.default_ns
self.tag = "{%s}%s" % (self.namespace, self.name)
def setType(self, value):
diff --git a/sleekxmpp/xmlstream/xmlstream.py b/sleekxmpp/xmlstream/xmlstream.py
index 025884b7..6b92abca 100644
--- a/sleekxmpp/xmlstream/xmlstream.py
+++ b/sleekxmpp/xmlstream/xmlstream.py
@@ -22,6 +22,7 @@ import time
import traceback
import types
import xml.sax.saxutils
+from . import scheduler
HANDLER_THREADS = 1
@@ -75,6 +76,7 @@ class XMLStream(object):
self.eventqueue = queue.Queue()
self.sendqueue = queue.Queue()
+ self.scheduler = scheduler.Scheduler(self.eventqueue)
self.namespace_map = {}
@@ -145,7 +147,9 @@ class XMLStream(object):
raise RestartStream()
def process(self, threaded=True):
+ self.scheduler.process(threaded=True)
for t in range(0, HANDLER_THREADS):
+ logging.debug("Starting HANDLER THREAD")
self.__thread['eventhandle%s' % t] = threading.Thread(name='eventhandle%s' % t, target=self._eventRunner)
self.__thread['eventhandle%s' % t].start()
self.__thread['sendthread'] = threading.Thread(name='sendthread', target=self._sendThread)
@@ -156,8 +160,8 @@ class XMLStream(object):
else:
self._process()
- def schedule(self, seconds, handler, args=None):
- threading.Timer(seconds, handler, args).start()
+ def schedule(self, name, seconds, callback, args=None, kwargs=None, repeat=False):
+ self.scheduler.add(name, seconds, callback, args, kwargs, repeat, qpointer=self.eventqueue)
def _process(self):
"Start processing the socket."
@@ -177,6 +181,7 @@ class XMLStream(object):
self.state.set('reconnect', False)
self.disconnect()
self.run = False
+ self.scheduler.run = False
self.eventqueue.put(('quit', None, None))
return
except CloseStream:
@@ -223,6 +228,7 @@ class XMLStream(object):
edepth += -1
if edepth == 0 and event == b'end':
self.disconnect(reconnect=self.state['reconnect'])
+ logging.debug("Ending readXML loop")
return False
elif edepth == 1:
#self.xmlin.put(xmlobj)
@@ -231,11 +237,13 @@ class XMLStream(object):
except RestartStream:
return True
except CloseStream:
+ logging.debug("Ending readXML loop")
return False
if root:
root.clear()
if event == b'start':
edepth += 1
+ logging.debug("Ending readXML loop")
def _sendThread(self):
while self.run:
@@ -265,6 +273,7 @@ class XMLStream(object):
logging.debug("Disconnecting...")
self.state.set('disconnecting', True)
self.run = False
+ self.scheduler.run = False
if self.state['connected']:
self.sendRaw(self.stream_footer)
time.sleep(1)
@@ -323,6 +332,9 @@ class XMLStream(object):
event = self.eventqueue.get(True, timeout=5)
except queue.Empty:
event = None
+ except KeyboardInterrupt:
+ self.run = False
+ self.scheduler.run = False
if event is not None:
etype = event[0]
handler = event[1]
@@ -334,9 +346,10 @@ class XMLStream(object):
except Exception as e:
traceback.print_exc()
args[0].exception(e)
- elif etype == 'sched':
+ elif etype == 'schedule':
try:
- handler.run(*args)
+ logging.debug(args)
+ handler(*args[0])
except:
logging.error(traceback.format_exc())
elif etype == 'quit':