diff options
Diffstat (limited to 'sleekxmpp/xmlstream')
| -rw-r--r-- | sleekxmpp/xmlstream/scheduler.py | 87 | ||||
| -rw-r--r-- | sleekxmpp/xmlstream/stanzabase.py | 7 | ||||
| -rw-r--r-- | sleekxmpp/xmlstream/xmlstream.py | 21 |
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': |