def run(self, inputcode, iterations=None, run_forever=False, frame_limiter=False, verbose=False):
'''
Executes the contents of a Nodebox/Shoebot script
in current surface's context.
:param inputcode: path to shoebot file or whole source code
:param iterations: maximum amount of frames to run
:param run_forever: if True will run until the user quits the bot
:param frame_limiter: Time a frame should take to run (float - seconds)
'''
source = None
filename = None
if os.path.isfile(inputcode):
source = open(inputcode).read()
filename = inputcode
elif isinstance(inputcode, basestring):
filename = 'shoebot_code'
source = inputcode
self._load_namespace(self._namespace, filename)
self._executor = executor = LiveExecution(source, ns=self._namespace, filename=filename)
try:
if not iterations:
if run_forever:
iterations = None
else:
iterations = 1
iteration = 0
event = None
while iteration != iterations and not event_is(event, QUIT_EVENT):
# do the magic
# First iteration
self._run_frame(executor, limit=frame_limiter, iteration=iteration)
if iteration == 0:
self._initial_namespace = copy.copy(self._namespace) # Stored so script can be rewound
iteration += 1
# Subsequent iterations
while self._should_run(iteration, iterations) and event is None:
iteration += 1
self._run_frame(executor, limit=frame_limiter, iteration=iteration)
event = next_event()
if not event:
self._canvas.sink.main_iteration() # update GUI, may generate events..
while run_forever:
#
# Running in GUI, bot has finished
# Either -
# receive quit event and quit
# receive any other event and loop (e.g. if var changed or source edited)
#
while event is None:
self._canvas.sink.main_iteration()
event = next_event(block=True, timeout=0.05)
if not event:
self._canvas.sink.main_iteration() # update GUI, may generate events..
if event.type == QUIT_EVENT:
break
elif event.type == SOURCE_CHANGED_EVENT:
# Debounce SOURCE_CHANGED events -
# gedit generates two events for changing a single character -
# delete and then add
while event and event.type == SOURCE_CHANGED_EVENT:
event = next_event(block=True, timeout=0.001)
elif event.type == SET_WINDOW_TITLE:
self._canvas.sink.set_title(event.data)
event = None # this loop is a bit weird...
break
except Exception as e:
# this makes KeyboardInterrupts still work
# if something goes wrong, print verbose system output
# maybe this is too verbose, but okay for now
import sys
if verbose:
errmsg = traceback.format_exc()
else:
errmsg = self._simple_traceback(e, executor.known_good or '')
print >> sys.stderr, errmsg
def run(self,
inputcode,
iterations=None,
run_forever=False,
frame_limiter=False,
verbose=False,
break_on_error=False):
'''
Executes the contents of a Nodebox/Shoebot script
in current surface's context.
:param inputcode: Path to shoebot source or string containing source
:param iterations: None or Maximum amount of frames to run
:param run_forever: If True then run until user quits the bot
:param frame_limiter: If True then sleep between frames to respect speed() command.
'''
source = None
filename = None
if os.path.isfile(inputcode):
source = open(inputcode).read()
filename = inputcode
elif isinstance(inputcode, str):
filename = 'shoebot_code'
source = inputcode
self._load_namespace(self._namespace, filename)
self._executor = executor = LiveExecution(source,
ns=self._namespace,
filename=filename)
try:
if not iterations:
if run_forever:
iterations = None
else:
iterations = 1
iteration = 0
event = None
while iteration != iterations and not event_is(event, QUIT_EVENT):
# do the magic
# First iteration
self._run_frame(executor,
limit=frame_limiter,
iteration=iteration)
if iteration == 0:
self._initial_namespace = copy.copy(
self._namespace) # Stored so script can be rewound
iteration += 1
# Subsequent iterations
while self._should_run(iteration,
iterations) and event is None:
iteration += 1
self._run_frame(executor,
limit=frame_limiter,
iteration=iteration)
event = next_event()
if not event:
self._canvas.sink.main_iteration(
) # update GUI, may generate events..
while run_forever:
#
# Running in GUI, bot has finished
# Either -
# receive quit event and quit
# receive any other event and loop (e.g. if var changed or source edited)
#
while event is None:
self._canvas.sink.main_iteration()
event = next_event(block=True, timeout=0.05)
if not event:
self._canvas.sink.main_iteration(
) # update GUI, may generate events..
if event.type == QUIT_EVENT:
break
elif event.type == SOURCE_CHANGED_EVENT:
# Debounce SOURCE_CHANGED events -
# gedit generates two events for changing a single character -
# delete and then add
while event and event.type == SOURCE_CHANGED_EVENT:
event = next_event(block=True, timeout=0.001)
elif event.type == SET_WINDOW_TITLE:
self._canvas.sink.set_title(event.data)
event = None # this loop is a bit weird...
break
except Exception as e:
# this makes KeyboardInterrupts still work
# if something goes wrong, print verbose system output
# maybe this is too verbose, but okay for now
import sys
if verbose:
errmsg = traceback.format_exc()
else:
errmsg = simple_traceback(e, executor.known_good or '')
print(errmsg, file=sys.stderr)
if break_on_error:
raise