class Application(object):
'''The Application represents diesel's main loop--
the coordinating entity that runs all Services, Loops,
Client protocol work, etc.
'''
def __init__(self, allow_app_replacement=False):
assert (allow_app_replacement or runtime.current_app is None), "Only one Application instance per program allowed"
runtime.current_app = self
self.hub = EventHub()
self.waits = WaitPool()
self._run = False
self._services = []
self._loops = []
self.running = set()
def global_bail(self, msg):
def bail():
log.critical("ABORTING: {0}", msg)
self.halt()
return bail
def run(self):
'''Start up an Application--blocks until the program ends
or .halt() is called.
'''
self._run = True
log.warning('Starting diesel <{0}>', self.hub.describe)
for s in self._services:
s.bind_and_listen()
s.register(self)
for l in self._loops:
self.hub.schedule(l.wake)
self.setup()
def main():
while self._run:
try:
self.hub.handle_events()
except SystemExit:
log.warning("-- SystemExit raised.. exiting main loop --")
raise
except KeyboardInterrupt:
log.warning("-- KeyboardInterrupt raised.. exiting main loop --")
break
except ApplicationEnd:
log.warning("-- ApplicationEnd raised.. exiting main loop --")
break
except Exception, e:
log.error("-- Unhandled Exception rose to main loop --")
log.error(traceback.format_exc())
log.info('Ending diesel application')
runtime.current_app = None
self.runhub = greenlet(main)
self.runhub.switch()
class Application(object):
'''The Application represents diesel's main loop--
the coordinating entity that runs all Services, Loops,
Client protocol work, etc.
'''
def __init__(self, allow_app_replacement=False):
assert (allow_app_replacement or runtime.current_app is None
), "Only one Application instance per program allowed"
runtime.current_app = self
self.hub = EventHub()
self.waits = WaitPool()
self._run = False
self._services = []
self._loops = []
self.running = set()
def global_bail(self, msg):
def bail():
log.critical("ABORTING: {0}", msg)
self.halt()
return bail
def run(self):
'''Start up an Application--blocks until the program ends
or .halt() is called.
'''
self._run = True
log.warning('Starting diesel <{0}>', self.hub.describe)
for s in self._services:
s.bind_and_listen()
s.register(self)
for l in self._loops:
self.hub.schedule(l.wake)
self.setup()
def main():
while self._run:
try:
self.hub.handle_events()
except SystemExit:
log.warning("-- SystemExit raised.. exiting main loop --")
raise
except KeyboardInterrupt:
log.warning(
"-- KeyboardInterrupt raised.. exiting main loop --")
break
except ApplicationEnd:
log.warning(
"-- ApplicationEnd raised.. exiting main loop --")
break
except Exception, e:
log.error("-- Unhandled Exception rose to main loop --")
log.error(traceback.format_exc())
log.info('Ending diesel application')
runtime.current_app = None
self.runhub = greenlet(main)
self.runhub.switch()
class Application(object):
'''The Application represents diesel's main loop--
the coordinating entity that runs all Services, Loops,
Client protocol work, etc.
'''
def __init__(self, allow_app_replacement=False):
assert (allow_app_replacement or runtime.current_app is None), "Only one Application instance per program allowed"
runtime.current_app = self
self.hub = EventHub()
self.waits = WaitPool()
self._run = False
self._services = []
self._loops = []
self.running = set()
def global_bail(self, msg):
def bail():
log.critical("ABORTING: {0}", msg)
self.halt()
return bail
def run(self):
'''Start up an Application--blocks until the program ends
or .halt() is called.
'''
profile = os.environ.get('DIESEL_PROFILE', '').lower() in YES_PROFILE
track_gc = os.environ.get('TRACK_GC', '').lower() in YES_PROFILE
track_gc_leaks = os.environ.get('TRACK_GC_LEAKS', '').lower() in YES_PROFILE
if track_gc:
gc.set_debug(gc.DEBUG_STATS)
if track_gc_leaks:
gc.set_debug(gc.DEBUG_LEAK)
self._run = True
log.warning('Starting diesel <{0}>', self.hub.describe)
for s in self._services:
s.bind_and_listen()
s.register(self)
for l in self._loops:
self.hub.schedule(l.wake)
self.setup()
def _main():
while self._run:
try:
self.hub.handle_events()
except SystemExit:
log.warning("-- SystemExit raised.. exiting main loop --")
raise
except KeyboardInterrupt:
log.warning("-- KeyboardInterrupt raised.. exiting main loop --")
break
except ApplicationEnd:
log.warning("-- ApplicationEnd raised.. exiting main loop --")
break
except Exception, e:
log.error("-- Unhandled Exception rose to main loop --")
log.error(traceback.format_exc())
log.info('Ending diesel application')
runtime.current_app = None
def _profiled_main():
log.warning("(Profiling with cProfile)")
# NOTE: Scoping Issue:
# Have to rebind _main to _real_main so it shows up in locals().
_real_main = _main
config = {'sort':1}
statsfile = os.environ.get('DIESEL_PSTATS', None)
if statsfile:
config['filename'] = statsfile
try:
cProfile.runctx('_real_main()', globals(), locals(), **config)
except TypeError, e:
if "sort" in e.args[0]:
del config['sort']
cProfile.runctx('_real_main()', globals(), locals(), **config)
else: raise e
class Application(object):
'''The Application represents diesel's main loop--
the coordinating entity that runs all Services, Loops,
Client protocol work, etc.
'''
def __init__(self, allow_app_replacement=False):
assert (allow_app_replacement or runtime.current_app is None
), "Only one Application instance per program allowed"
runtime.current_app = self
self.hub = EventHub()
self.waits = WaitPool()
self._run = False
self._services = []
self._loops = []
self.running = set()
def global_bail(self, msg):
def bail():
log.critical("ABORTING: {0}", msg)
self.halt()
return bail
def run(self):
'''Start up an Application--blocks until the program ends
or .halt() is called.
'''
profile = os.environ.get('DIESEL_PROFILE', '').lower() in YES_PROFILE
track_gc = os.environ.get('TRACK_GC', '').lower() in YES_PROFILE
track_gc_leaks = os.environ.get('TRACK_GC_LEAKS',
'').lower() in YES_PROFILE
if track_gc:
gc.set_debug(gc.DEBUG_STATS)
if track_gc_leaks:
gc.set_debug(gc.DEBUG_LEAK)
self._run = True
log.warning('Starting diesel <{0}>', self.hub.describe)
for s in self._services:
s.bind_and_listen()
s.register(self)
for l in self._loops:
self.hub.schedule(l.wake)
self.setup()
def _main():
while self._run:
try:
self.hub.handle_events()
except SystemExit:
log.warning("-- SystemExit raised.. exiting main loop --")
raise
except KeyboardInterrupt:
log.warning(
"-- KeyboardInterrupt raised.. exiting main loop --")
break
except ApplicationEnd:
log.warning(
"-- ApplicationEnd raised.. exiting main loop --")
break
except Exception, e:
log.error("-- Unhandled Exception rose to main loop --")
log.error(traceback.format_exc())
log.info('Ending diesel application')
runtime.current_app = None
def _profiled_main():
log.warning("(Profiling with cProfile)")
# NOTE: Scoping Issue:
# Have to rebind _main to _real_main so it shows up in locals().
_real_main = _main
config = {'sort': 1}
statsfile = os.environ.get('DIESEL_PSTATS', None)
if statsfile:
config['filename'] = statsfile
try:
cProfile.runctx('_real_main()', globals(), locals(), **config)
except TypeError, e:
if "sort" in e.args[0]:
del config['sort']
cProfile.runctx('_real_main()', globals(), locals(),
**config)
else:
raise e
