def __init__(self):
self.alerted_propagators = SetQueue()
self.propagators_ever_alerted = SetQueue()
self._abort_process_stack = deque()
self.last_value_of_run = None
def __init__(self):
self.alerted_propagators = SetQueue()
self.propagators_ever_alerted = SetQueue()
self._abort_process_stack = deque()
self.last_value_of_run = None
class Scheduler:
def __init__(self):
self.alerted_propagators = SetQueue()
self.propagators_ever_alerted = SetQueue()
self._abort_process_stack = deque()
self.last_value_of_run = None
"""
Initialize the scheduler, emptying its queues and registers.
"""
def initialize(self):
debug("Initializing scheduler")
self.alerted_propagators.clear()
self.propagators_ever_alerted.clear()
self._abort_process_stack.clear()
self.last_value_of_run = None
"""
Alerts all propagators in `propagators`.
Parameters:
- `propagators`: a single `Propagator` object or a list of
`Propagators objects.
"""
def alert_propagators(self, propagators):
for p in listify(propagators):
assert callable(p), "Alerting a non-procedure"
self.propagators_ever_alerted.add(p)
self.alerted_propagators.add(p)
def alert_all_propagators(self):
self.alert_propagators(self.propagators_ever_alerted)
def abort_process(self, value):
self.alerted_propagators.clear()
#error("Aborting: {value}".format(**vars()))
if self._abort_process_stack:
self._abort_process_stack.pop()(value)
else:
self.last_value_of_run = value
"""
Pops and runs alerted propagators from the queue them until it is
empty.
"""
def run(self):
def with_process_abortion(thunk):
def f(k):
self._abort_process_stack.append(k)
thunk()
self._abort_process_stack.pop()
return callcc(f)
def run_alerted():
temp = list(self.alerted_propagators)
self.alerted_propagators.clear()
for propagator in list(temp):
debug("Running {propagator}".format(**vars()))
propagator()
if self.alerted_propagators:
run_alerted()
debug("Running scheduler")
if len(self.alerted_propagators):
self.last_value_of_run = with_process_abortion(run_alerted)
debug("Scheduler done")
return self.last_value_of_run
class Scheduler:
def __init__(self):
self.alerted_propagators = SetQueue()
self.propagators_ever_alerted = SetQueue()
self._abort_process_stack = deque()
self.last_value_of_run = None
"""
Initialize the scheduler, emptying its queues and registers.
"""
def initialize(self):
debug("Initializing scheduler")
self.alerted_propagators.clear()
self.propagators_ever_alerted.clear()
self._abort_process_stack.clear()
self.last_value_of_run = None
"""
Alerts all propagators in `propagators`.
Parameters:
- `propagators`: a single `Propagator` object or a list of
`Propagators objects.
"""
def alert_propagators(self, propagators):
for p in listify(propagators):
assert callable(p), "Alerting a non-procedure"
self.propagators_ever_alerted.add(p)
self.alerted_propagators.add(p)
def alert_all_propagators(self):
self.alert_propagators(self.propagators_ever_alerted)
def abort_process(self, value):
self.alerted_propagators.clear()
#error("Aborting: {value}".format(**vars()))
if self._abort_process_stack:
self._abort_process_stack.pop()(value)
else:
self.last_value_of_run = value
"""
Pops and runs alerted propagators from the queue them until it is
empty.
"""
def run(self):
def with_process_abortion(thunk):
def f(k):
self._abort_process_stack.append(k)
thunk()
self._abort_process_stack.pop()
return callcc(f)
def run_alerted():
temp = list(self.alerted_propagators)
self.alerted_propagators.clear()
for propagator in list(temp):
debug("Running {propagator}".format(**vars()))
propagator()
if self.alerted_propagators:
run_alerted()
debug("Running scheduler")
if len(self.alerted_propagators):
self.last_value_of_run = with_process_abortion(run_alerted)
debug("Scheduler done")
return self.last_value_of_run
