def listen_forever(self, handler):
self.sockethandler.set_handler(handler)
try:
while not self.doneflag.isSet():
try:
self.pop_external()
self._kill_tasks()
if self.funcs:
period = self.funcs[0][0] + 0.001 - clock()
else:
period = 2 ** 30
if period < 0:
period = 0
events = self.sockethandler.do_poll(period)
if self.doneflag.isSet():
return
while self.funcs and self.funcs[0][0] <= clock():
garbage1, func, id = self.funcs.pop(0)
if id in self.tasks_to_kill:
pass
try:
func()
except (SystemError, MemoryError), e:
print_exc()
self.failfunc(exceptionArgsToString(e))
return
except KeyboardInterrupt:
return
except:
if self.noisy:
self.exception()
self.sockethandler.close_dead()
self.sockethandler.handle_events(events)
if self.doneflag.isSet():
return
self.sockethandler.close_dead()
except (SystemError, MemoryError), e:
print_exc()
self.failfunc(exceptionArgsToString(e))
return
def parseargs(argv, options, minargs = None, maxargs = None, presets = {}):
config = {}
longkeyed = {}
for option in options:
if option is None:
continue
longname, default, doc = option
longkeyed[longname] = option
config[longname] = default
for longname in presets.keys(): # presets after defaults but before arguments
config[longname] = presets[longname]
options = []
args = []
pos = 0
while pos < len(argv):
if argv[pos][:2] != '--':
args.append(argv[pos])
pos += 1
else:
if pos == len(argv) - 1:
usage('parameter passed in at end with no value')
key, value = argv[pos][2:], argv[pos+1]
pos += 2
if not key in longkeyed:
usage('unknown key --' + key)
longname, default, doc = longkeyed[key]
try:
t = type(config[longname])
if t is NoneType or t is StringType:
config[longname] = value
elif t in (IntType, LongType):
config[longname] = long(value)
elif t is FloatType:
config[longname] = float(value)
else:
assert 0
except ValueError, e:
usage('wrong format of --%s - %s' % (key, exceptionArgsToString(e)))
