def build_decompose(i, ex, args):
"""Decompose complex number into real and imaginary components"""
i.value = hive.attribute('complex')
i.real = hive.attribute('float')
i.imag = hive.attribute('float')
i.pull_imag = hive.pull_out(i.imag)
i.pull_real = hive.pull_out(i.real)
ex.real = hive.output(i.pull_real)
ex.imag = hive.output(i.pull_imag)
i.pull_value = hive.pull_in(i.value)
ex.value = hive.antenna(i.pull_value)
def build_value(self):
value = self._value
self._real = value.real
self._imag = value.imag
i.build_value = hive.modifier(build_value)
hive.trigger(i.pull_imag, i.pull_value, pretrigger=True)
hive.trigger(i.pull_real, i.pull_value, pretrigger=True)
hive.trigger(i.pull_value, i.build_value)
def build_set(i, ex, args, meta_args):
"""Perform set operation on single sets"""
i.set_ = hive.attribute('set', set())
i.pull_set_ = hive.pull_out(i.set_)
ex.set_out = hive.output(i.pull_set_)
i.push_set_ = hive.push_in(i.set_)
ex.set_ = hive.antenna(i.push_set_)
# Pop item
i.popped_item = hive.attribute(meta_args.data_type)
i.pull_pop = hive.pull_out(i.popped_item)
ex.pop = hive.output(i.pull_pop)
def do_pop(self):
self._popped_item = self._set_.pop()
i.do_pop = hive.modifier(do_pop)
hive.trigger(i.pull_pop, i.do_pop, pretrigger=True)
# Add item
i.to_add = hive.attribute(meta_args.data_type)
i.push_to_add = hive.push_in(i.to_add)
ex.add = hive.antenna(i.push_to_add)
def to_add(self):
self._set_.add(self._to_add)
i.do_add = hive.modifier(to_add)
hive.trigger(i.push_to_add, i.do_add)
# Remove item
i.to_remove = hive.attribute(meta_args.data_type)
i.push_to_remove = hive.push_in(i.to_remove)
ex.remove = hive.antenna(i.push_to_remove)
def do_remove(self):
self._set_.remove(self._to_remove)
i.do_remove = hive.modifier(do_remove)
hive.trigger(i.push_to_remove, i.do_remove)
def do_clear(self):
self._set_.clear()
i.do_clear = hive.modifier(do_clear)
ex.clear = hive.entry(i.do_clear)
def build_range(i, ex, args):
"""A range iterator hive"""
i.min_value = hive.variable("int")
i.max_value = hive.variable("int")
i.step = hive.variable("int")
i.pull_min_value = hive.pull_in(i.min_value)
i.pull_max_value = hive.pull_in(i.max_value)
i.pull_step = hive.pull_in(i.step)
ex.min_value = hive.antenna(i.pull_min_value)
ex.max_value = hive.antenna(i.pull_max_value)
ex.step = hive.antenna(i.pull_step)
i.iterator = hive.variable("int")
def get_range(self):
self._iterator = range(self._min_value, self._max_value, self._step)
i.get_range = hive.modifier(get_range)
i.pull_iterator = hive.pull_out(i.iterator, "iterator")
ex.iterator = hive.output(i.pull_iterator)
hive.trigger(i.pull_iterator, i.pull_min_value, pretrigger=True)
hive.trigger(i.pull_iterator, i.pull_max_value, pretrigger=True)
hive.trigger(i.pull_iterator, i.pull_step, pretrigger=True)
hive.trigger(i.pull_iterator, i.get_range, pretrigger=True)
def build_instantiator(cls, i, ex, args, meta_args):
"""Instantiates a Hive class at runtime"""
# If this is built now, then it won't perform matchmaking, so use meta hive
bind_meta_class = hive.meta_hive("BindEnvironment", build_bind_environment, declare_build_environment,
builder_cls=BindEnvironmentClass)
#assert bind_meta_class._hive_object_class
i.bind_meta_class = hive.property(cls, "bind_meta_class", "class", bind_meta_class)
i.trig_instantiate = hive.triggerfunc(cls.instantiate)
i.do_instantiate = hive.triggerable(i.trig_instantiate)
i.hive_class = hive.property(cls, "hive_class", "class")
i.pull_hive_class = hive.pull_in(i.hive_class)
ex.hive_class = hive.antenna(i.pull_hive_class)
ex.create = hive.entry(i.do_instantiate)
hive.trigger(i.trig_instantiate, i.pull_hive_class, pretrigger=True)
ex.process_id = hive.property(cls, "last_created_process_id", "int.process_id")
i.pull_process_id = hive.pull_out(ex.process_id)
ex.last_process_id = hive.output(i.pull_process_id)
i.push_stop_process = hive.push_in(cls.stop_hive)
ex.stop_process = hive.antenna(i.push_stop_process)
# Bind class plugin
ex.bind_on_created = hive.socket(cls.add_on_created, identifier="bind.on_created", policy=hive.MultipleOptional)
ex.add_get_plugins = hive.socket(cls.add_get_plugins, identifier="bind.get_plugins", policy=hive.MultipleOptional)
ex.add_get_config = hive.socket(cls.add_get_config, identifier="bind.get_config", policy=hive.MultipleOptional)
# Bind instantiator
if meta_args.bind_process == 'child':
# Add startup and stop callbacks
ex.on_stopped = hive.plugin(cls.stop_all_processes, identifier="on_stopped")
def build_expression(i, ex, args, meta_args):
"""Execute bound expression for provided inputs and output result"""
ast_node = ast.parse(meta_args.expression, mode='eval')
visitor = NodeVisitor()
visitor.visit(ast_node)
visited_nodes = visitor.visited_nodes
variable_names = [x.id for x in visited_nodes if isinstance(x, ast.Name)]
i.result = hive.attribute(meta_args.result_type)
i.pull_result = hive.pull_out(i.result)
ex.result = hive.output(i.pull_result)
for name in variable_names:
attribute = hive.attribute()
setattr(i, name, attribute)
pull_in = hive.pull_in(attribute)
setattr(ex, name, hive.antenna(pull_in))
hive.trigger(i.pull_result, pull_in, pretrigger=True)
func = create_func(meta_args.expression, variable_names)
i.modifier = hive.modifier(func)
hive.trigger(i.pull_result, i.modifier, pretrigger=True)
def build_attr(i, ex, args, meta_args):
"""Set/get attribute on object"""
i.name = hive.attribute("str")
i.value = hive.attribute(meta_args.attribute_type)
i.object_ = hive.attribute(meta_args.object_type)
i.pull_name = hive.pull_in(i.name)
i.pull_object = hive.pull_in(i.object_)
ex.object_ = hive.antenna(i.pull_object)
ex.name = hive.antenna(i.pull_name)
if meta_args.mode == "set":
i.push_value = hive.push_in(i.value)
ex.value = hive.antenna(i.push_value)
i.do_set_attr = hive.modifier(do_setattr)
hive.trigger(i.push_value, i.pull_object)
hive.trigger(i.pull_object, i.pull_name)
hive.trigger(i.pull_name, i.do_set_attr)
else:
i.pull_value = hive.pull_out(i.value)
ex.value = hive.output(i.pull_value)
i.do_get_attr = hive.modifier(do_getattr)
hive.trigger(i.pull_value, i.pull_object, pretrigger=True)
hive.trigger(i.pull_object, i.pull_name)
hive.trigger(i.pull_name, i.do_get_attr)
def build_buffer(i, ex, args, meta_args):
"""Store the input value and output saved value.
In pull mode, the trigger is used to update the internal value.
In push mode, the trigger is used to output the internal value.
Can be used to cache changing values
"""
args.start_value = hive.parameter(meta_args.data_type, None)
i.cached_value = hive.attribute(meta_args.data_type, args.start_value)
if meta_args.mode == "push":
i.push_value = hive.push_in(i.cached_value)
ex.value = hive.antenna(i.push_value)
i.push_cached_value = hive.push_out(i.cached_value)
ex.cached_value = hive.output(i.push_cached_value)
ex.output = hive.entry(i.push_cached_value)
elif meta_args.mode == "pull":
i.pull_value = hive.pull_in(i.cached_value)
ex.value = hive.antenna(i.pull_value)
i.pull_cached_value = hive.pull_out(i.cached_value)
ex.cached_value = hive.output(i.pull_cached_value)
ex.update_cache = hive.entry(i.pull_value)
def build_foreach(i, ex, args, meta_args):
"""Iterate over iterable object"""
# Set iterable
i.iterable = hive.variable("$iterable[int]")
i.pull_iterable = hive.pull_in(i.iterable)
ex.iterable = hive.antenna(i.pull_iterable)
i.do_trig = hive.triggerfunc()
i.trig_in = hive.triggerable(i.do_trig)
ex.start = hive.entry(i.trig_in)
i.break_ = hive.variable('bool', False)
i.item = hive.variable(meta_args.data_type)
i.push_item = hive.push_out(i.item)
ex.item = hive.output(i.push_item)
i.index = hive.variable('int', 0)
i.pull_index = hive.pull_out(i.index)
ex.index = hive.output(i.pull_index)
i.finished = hive.triggerfunc()
i.do_break = hive.modifier(do_break)
ex.break_ = hive.entry(i.do_break)
ex.finished = hive.hook(i.finished)
i.iter = hive.modifier(do_iter)
hive.trigger(i.do_trig, i.pull_iterable)
hive.trigger(i.do_trig, i.iter)
def build_item(i, ex, args, meta_args):
"""Set/get item in object"""
i.name = hive.attribute(meta_args.index_type)
i.value = hive.attribute(meta_args.item_type)
i.container_ = hive.attribute(meta_args.container_type)
i.pull_name = hive.pull_in(i.name)
i.pull_container = hive.pull_in(i.container_)
ex.container_ = hive.antenna(i.pull_container)
ex.name = hive.antenna(i.pull_name)
if meta_args.mode == "set":
i.push_value = hive.push_in(i.value)
ex.value = hive.antenna(i.push_value)
i.do_set_attr = hive.modifier(do_setitem)
hive.trigger(i.push_value, i.pull_container)
hive.trigger(i.pull_container, i.pull_name)
hive.trigger(i.pull_name, i.do_set_attr)
else:
i.pull_value = hive.pull_out(i.value)
ex.value = hive.output(i.pull_value)
i.do_get_attr = hive.modifier(do_getitem)
hive.trigger(i.pull_value, i.pull_container, pretrigger=True)
hive.trigger(i.pull_container, i.pull_name)
hive.trigger(i.pull_name, i.do_get_attr)
def build_set(i, ex, args):
"""Perform set operation on two sets"""
i.a = hive.variable('set')
i.pull_a = hive.pull_in(i.a)
ex.a = hive.antenna(i.pull_a)
i.b = hive.variable('set')
i.pull_b = hive.pull_in(i.b)
ex.b = hive.antenna(i.pull_b)
i.result = hive.variable('set')
for op_name, op in SET_SET_OPERATIONS.items():
pull_op = hive.pull_out(i.result)
setattr(i, "pull_{}".format(op_name), pull_op)
setattr(ex, op_name, hive.output(pull_op))
def do_operation(self):
self._result = op(self._a, self._b)
mod = hive.modifier(do_operation)
setattr(i, "do_{}".format(op_name), mod)
hive.trigger(pull_op, i.pull_a, pretrigger=True)
hive.trigger(pull_op, mod, pretrigger=True)
hive.trigger(i.pull_a, i.pull_b)
def build_unpack_tuple(i, ex, args, meta_args):
"""Unpack a tuple from individual inputs"""
i.tuple_ = hive.attribute('tuple')
i.push_tuple = hive.push_in(i.tuple_)
ex.tuple_ = hive.antenna(i.push_tuple)
for index, data_type in enumerate(meta_args.types):
attr = hive.attribute(data_type)
setattr(i, "attr_{}".format(index), attr)
pull_out = hive.pull_out(attr)
setattr(i, "pull_out_{}".format(index), pull_out)
setattr(ex, "item_{}".format(index), hive.output(pull_out))
def do_unpack_tuple(self):
tuple_ = self._tuple_
data_types = meta_args.types
assert len(tuple_) == len(data_types)
for index, item in enumerate(tuple_):
setattr(self, "_attr_{}".format(index), item)
i.do_unpack_tuple = hive.modifier(do_unpack_tuple)
hive.trigger(i.push_tuple, i.do_unpack_tuple)
def build_keyboard(cls, i, ex, args, meta_args):
"""Listen for keyboard event"""
if meta_args.mode == 'single key':
ex.on_event = hive.socket(cls.add_single_listener, identifier="event.add_handler")
args.key = hive.parameter("str.keycode", "w")
i.key = hive.property(cls, "key", "str.keycode", args.key)
i.push_key = hive.push_in(i.key)
ex.key = hive.antenna(i.push_key)
i.on_key_changed = hive.triggerable(cls.change_listener_keys)
hive.trigger(i.push_key, i.on_key_changed)
i.on_pressed = hive.triggerfunc()
ex.on_pressed = hive.hook(i.on_pressed)
i.on_released = hive.triggerfunc()
ex.on_released = hive.hook(i.on_released)
i.is_pressed = hive.property(cls, "is_pressed", "bool")
i.pull_is_pressed = hive.pull_out(i.is_pressed)
ex.is_pressed = hive.output(i.pull_is_pressed)
else:
ex.on_event = hive.socket(cls.add_any_listener, identifier="event.add_handler")
i.key_pressed = hive.property(cls, 'key_pressed', data_type='str.keycode')
i.pull_key_pressed = hive.push_out(i.key_pressed)
ex.key_pressed = hive.output(i.pull_key_pressed)
i.key_released = hive.property(cls, 'key_released', data_type='str.keycode')
i.pull_key_released = hive.push_out(i.key_released)
ex.key_released = hive.output(i.pull_key_released)
def build_call(i, ex, args, meta_args):
func = create_func(meta_args.declaration)
spec = signature(func)
for name, parameter in spec.parameters.items():
if parameter.annotation is parameter.empty:
raise ValueError("Expected annotation for parameter '{}'".format(name))
attr = hive.attribute(parameter.annotation)
pull_in = hive.pull_in(attr)
antenna = hive.antenna(pull_in)
setattr(i, name, attr)
setattr(i, "pull_{}".format(name), pull_in)
setattr(ex, name, antenna)
wrapped_func = create_wrapper_func(meta_args.declaration, spec.parameters)
i.modifier = hive.modifier(wrapped_func)
return_type = spec.return_annotation
if return_type is spec.empty:
raise ValueError("Expected annotation for return parameter")
i.result = hive.attribute(return_type)
i.pull_result = hive.pull_out(i.result)
ex.result = hive.output(i.pull_result)
hive.trigger(i.pull_result, i.modifier, pretrigger=True)
def build_convert(i, ex, args, meta_args):
i.value_in = hive.variable(meta_args.from_data_type)
i.value_out = hive.variable(meta_args.to_data_type)
# For push in, push out
if meta_args.mode == "push":
i.ppin = hive.push_in(i.value_in)
i.ppout = hive.push_out(i.value_out)
hive.trigger(i.ppin, i.ppout)
else:
i.ppin = hive.pull_in(i.value_in)
i.ppout = hive.pull_out(i.value_out)
hive.trigger(i.ppout, i.ppin, pretrigger=True)
ex.value_in = hive.antenna(i.ppin)
ex.value_out = hive.output(i.ppout)
# For casting (explicit conversion)
if meta_args.conversion == "cast":
to_base_type_name = hive.get_base_data_type(meta_args.to_data_type)
value_cls = _type_map[to_base_type_name]
def converter(self):
self._value_out = value_cls(self._value_in)
i.do_conversion = hive.modifier(converter)
hive.trigger(i.ppout, i.do_conversion, pretrigger=True)
# For duck typing, move value through
else:
i.move_value = hive.modifier(move_value)
hive.trigger(i.ppin, i.move_value)
def build_operator(i, ex, args, meta_args):
"""HIVE interface to python mathematical operators"""
assert meta_args.operator in operators
op = operators[meta_args.operator]
i.a = hive.attribute(meta_args.data_type)
i.b = hive.attribute(meta_args.data_type)
i.pull_a = hive.pull_in(i.a)
ex.a = hive.antenna(i.pull_a)
i.pull_b = hive.pull_in(i.b)
ex.b = hive.antenna(i.pull_b)
hive.trigger(i.pull_a, i.pull_b)
i.result = hive.attribute(meta_args.data_type)
i.pull_result = hive.pull_out(i.result)
ex.result = hive.output(i.pull_result)
def calc(self):
self._result = op(self._a, self._b)
i.run_operator = hive.modifier(calc)
hive.trigger(i.pull_a, i.run_operator)
hive.trigger(i.pull_result, i.pull_a, pretrigger=True)
def build_random(cls, i, ex, args):
"""HIVE interface to Python random module"""
i.push_seed = hive.push_in(cls.set_seed)
ex.seed = hive.antenna(i.push_seed)
i.pull_random = hive.pull_out(cls.get_rand)
ex.random = hive.output(i.pull_random)
i.pull_bool = hive.pull_out(cls.get_bool)
ex.bool = hive.output(i.pull_bool)
# Randint
i.randint_min = hive.property(cls, "randint_min", "int")
i.randint_max = hive.property(cls, "randint_max", "int")
i.randint_step = hive.property(cls, "randint_step", "int")
i.pull_randint_min = hive.pull_in(i.randint_min)
i.pull_randint_max = hive.pull_in(i.randint_max)
i.pull_randint_step = hive.pull_in(i.randint_step)
ex.int_min = hive.antenna(i.pull_randint_min)
ex.int_max = hive.antenna(i.pull_randint_max)
ex.int_step = hive.antenna(i.pull_randint_step)
i.pull_int = hive.pull_out(cls.get_randrange)
ex.int = hive.output(i.pull_int)
hive.trigger(i.pull_int, i.pull_randint_max, pretrigger=True)
hive.trigger(i.pull_int, i.pull_randint_min, pretrigger=True)
hive.trigger(i.pull_int, i.pull_randint_step, pretrigger=True)
# Randrange
i.uniform_min = hive.property(cls, "uniform_min", "float")
i.uniform_max = hive.property(cls, "uniform_max", "float")
i.uniform_min_in = hive.pull_in(i.uniform_min)
i.uniform_max_in = hive.pull_in(i.uniform_max)
ex.uniform_min = hive.antenna(i.uniform_min_in)
ex.uniform_max = hive.antenna(i.uniform_max_in)
i.pull_uniform = hive.pull_out(cls.get_uniform)
ex.uniform = hive.output(i.pull_uniform)
hive.trigger(i.pull_uniform, i.uniform_max_in, pretrigger=True)
hive.trigger(i.pull_uniform, i.uniform_min_in, pretrigger=True)
def build_define(i, ex, args, meta_args):
"""Define callable object from expression"""
# Check body is valid
ast_node = ast.parse(meta_args.definition, mode='exec')
func = create_func(meta_args.definition)
i.result = hive.attribute(("object", "callable"), func)
i.pull_result = hive.pull_out(i.result)
ex.result = hive.output(i.pull_result)
def build_this(cls, i, ex, args):
"""Access to current bound entity"""
ex.get_bound_entity = hive.socket(cls.set_get_entity_id, identifier="entity.get_bound")
i.entity_id = hive.property(cls, "entity_id", "int.entity_id")
i.pull_entity_id = hive.pull_out(i.entity_id)
ex.entity_id = hive.output(i.pull_entity_id)
i.do_get_entity_id = hive.triggerable(cls.get_entity_id)
hive.trigger(i.pull_entity_id, i.do_get_entity_id, pretrigger=True)
def build_spawn(cls, i, ex, args, meta_args):
"""Spawn an entity into the scene"""
ex.get_spawn_entity = hive.socket(cls.set_spawn_entity, "entity.spawn")
# Associate entity with this hive so it is safely destroyed
ex.get_register_destructor = hive.socket(cls.set_register_destructor,
"entity.register_destructor")
ex.on_entity_process_instantiated = hive.plugin(
cls.on_entity_process_created, "bind.on_created")
i.entity_class_id = hive.property(cls, "entity_class_id",
"str.entity_class_id")
i.pull_class_id = hive.pull_in(i.entity_class_id)
ex.entity_class_id = hive.antenna(i.pull_class_id)
i.entity_last_created_id = hive.property(cls, "entity_last_created_id",
"int.entity_id")
if meta_args.spawn_hive:
i.pull_entity_id = hive.pull_out(i.entity_last_created_id)
ex.entity_last_created_id = hive.output(i.pull_entity_id)
else:
i.push_entity_id = hive.push_out(i.entity_last_created_id)
ex.created_entity_id = hive.output(i.push_entity_id)
i.do_spawn = hive.triggerable(cls.do_spawn_entity)
i.trigger = hive.triggerfunc(i.do_spawn)
i.on_triggered = hive.triggerable(i.trigger)
hive.trigger(i.trigger, i.pull_class_id, pretrigger=True)
# Process instantiator
if meta_args.spawn_hive:
i.instantiator = Instantiator(forward_events='all',
bind_process='child')
# Pull entity to instantiator
hive.connect(i.pull_entity_id, i.instantiator.entity_id)
# Get last created
ex.hive_class = hive.antenna(i.instantiator.hive_class)
ex.last_process_id = hive.output(i.instantiator.last_process_id)
ex.stop_process = hive.antenna(i.instantiator.stop_process)
ex.pause_events = hive.antenna(i.instantiator.pause_events)
ex.resume_events = hive.antenna(i.instantiator.resume_events)
# Instantiate
hive.trigger(i.trigger, i.instantiator.create)
else:
# Finally push out entity
hive.trigger(i.trigger, i.push_entity_id)
ex.spawn = hive.entry(i.on_triggered)
def build_listener(cls, i, ex, args, meta_args):
"""Tick event sensor, trigger on_tick every tick"""
i.on_event = hive.triggerfunc()
ex.on_event = hive.hook(i.on_event)
ex.get_add_handler = hive.socket(cls.set_add_handler, "event.add_handler")
if meta_args.mode == 'leader':
i.after_leader = hive.property(cls, 'after_leader', 'tuple')
i.pull_after_leader = hive.pull_out(i.after_leader)
ex.after_leader = hive.output(i.pull_after_leader)
def build_mouse(cls, i, ex, args):
ex.on_event = hive.socket(cls.set_add_handler,
identifier="event.add_handler")
i.on_tick = hive.triggerfunc()
args.button = hive.parameter("str",
"left",
options={"left", "middle", "right"})
i.button = hive.property(cls, "button", "str", args.button)
i.push_button = hive.push_in(i.button)
ex.button = hive.antenna(i.push_button)
i.on_button_changed = hive.triggerable(cls.change_listener_buttons)
hive.trigger(i.push_button, i.on_button_changed)
i.on_pressed = hive.triggerfunc()
ex.on_pressed = hive.hook(i.on_pressed)
i.on_moved = hive.triggerfunc()
ex.on_moved = hive.hook(i.on_moved)
i.pos_x = hive.property(cls, "pos_x", "float")
i.pull_x = hive.pull_out(i.pos_x)
ex.x = hive.output(i.pull_x)
i.pos_y = hive.property(cls, "pos_y", "float")
i.pull_y = hive.pull_out(i.pos_y)
ex.y = hive.output(i.pull_y)
i.dx = hive.property(cls, "dx", "float")
i.pull_dx = hive.pull_out(i.dx)
ex.dx = hive.output(i.pull_dx)
i.dy = hive.property(cls, "dy", "float")
i.pull_dy = hive.pull_out(i.dy)
ex.dy = hive.output(i.pull_dy)
i.is_pressed = hive.property(cls, "is_pressed", "bool")
i.pull_is_pressed = hive.pull_out(i.is_pressed)
ex.is_pressed = hive.output(i.pull_is_pressed)
def build_determinant(i, ex, args):
"""Calculate the determinant (length) of a vector"""
i.vector = hive.variable("vector")
i.pull_vector = hive.pull_in(i.vector)
ex.vector = hive.antenna(i.pull_vector)
i.result = hive.variable("float")
i.pull_result = hive.pull_out(i.result)
ex.result = hive.output(i.pull_result)
i.calculate = hive.modifier(length_modifier)
hive.trigger(i.pull_result, i.calculate, pretrigger=True)
def build_normalise(i, ex, args):
"""Find the unit vector for a given vector"""
i.vector = hive.variable("vector")
i.pull_vector = hive.pull_in(i.vector)
ex.vector = hive.antenna(i.pull_vector)
i.result = hive.variable("vector")
i.pull_result = hive.pull_out(i.result)
ex.result = hive.output(i.pull_result)
i.calculate = hive.modifier(normalise_modifier)
hive.trigger(i.pull_result, i.calculate, pretrigger=True)
def build_server(cls, i, ex, args):
i.local_address = hive.property(cls, "local_address", "tuple")
i.push_bind_address = hive.push_in(i.local_address)
ex.bind_to = hive.antenna(i.push_bind_address)
i.do_bind = hive.triggerable(cls.do_bind)
hive.trigger(i.push_bind_address, i.do_bind)
# Receiving connection
i.connected_address = hive.property(cls, "connected_address", "tuple")
i.push_connected_address = hive.push_out(i.connected_address)
ex.on_client_connected = hive.output(i.push_connected_address)
# Receiving connection
i.disconnected_address = hive.property(cls, "disconnected_address",
"tuple")
i.push_disconnected_address = hive.push_out(i.disconnected_address)
ex.on_client_disconnected = hive.output(i.push_disconnected_address)
# Receiving
i.from_address = hive.property(cls, "from_address", "tuple")
i.pull_from_address = hive.pull_out(i.from_address)
ex.from_address = hive.output(i.pull_from_address)
i.received_data = hive.property(cls, "received_data", "bytes")
i.push_received = hive.push_out(i.received_data)
ex.on_received = hive.output(i.push_received)
# Hive callbacks
i.on_disconnected = hive.triggerfunc()
i.on_connected = hive.triggerfunc()
i.on_received = hive.triggerfunc()
hive.trigger(i.on_received, i.push_received)
hive.trigger(i.on_connected, i.push_connected_address)
hive.trigger(i.on_disconnected, i.push_disconnected_address)
# Sending
i.to_address = hive.property(cls, "to_address", "tuple")
i.pull_to_address = hive.pull_in(i.to_address)
ex.to_address = hive.antenna(i.pull_to_address)
i.outgoing_data = hive.property(cls, "outgoing_data", "bytes")
i.push_outgoing_data = hive.push_in(i.outgoing_data)
ex.send = hive.antenna(i.push_outgoing_data)
i.do_send_data = hive.triggerable(cls.do_send)
hive.trigger(i.push_outgoing_data, i.pull_to_address, pretrigger=True)
hive.trigger(i.push_outgoing_data, i.do_send_data)
i.synchronise_data = hive.triggerable(cls.synchronise)
i.on_tick = OnTick()
hive.connect(i.on_tick.on_tick, i.synchronise_data)
def time_builder(cls, i, ex, args):
"""Access to Python time module"""
i.elapsed = hive.property(cls, 'elapsed', 'float')
i.elapsed_out = hive.pull_out(i.elapsed)
ex.elapsed_out = hive.output(i.elapsed_out)
ex.get_add_handler = hive.socket(cls.set_add_handler, "event.add_handler")
ex.on_started = hive.plugin(cls.on_started,
"on_started",
policy=hive.SingleRequired)
ex.get_get_tick_rate = hive.socket(cls.set_get_tick_rate,
"app.get_tick_rate")
def build_struct(cls, i, ex, args):
"""Interface to Struct class"""
i.tuple = hive.variable("tuple")
i.pack_in = hive.push_in(i.tuple)
ex.pack = hive.antenna(i.pack_in)
i.bytes = hive.variable("bytes")
i.unpack_out = hive.push_out(i.bytes)
ex.unpack = hive.output(i.unpack_out)
i.size_out = hive.pull_out(cls.size)
ex.size = hive.output(i.size_out)
def build_apply(i, ex, args, meta_args):
"""Call callable object with provided inputs and output result"""
i.callable = hive.attribute(("object", "callable"))
i.pull_callable = hive.pull_in(i.callable)
ex.callable = hive.antenna(i.pull_callable)
i.modifier = hive.modifier(modifier)
i.result = hive.attribute(meta_args.result_type)
i.pull_result = hive.pull_out(i.result)
ex.result = hive.output(i.pull_result)
hive.trigger(i.pull_result, i.pull_callable, pretrigger=True)
hive.trigger(i.pull_result, i.modifier, pretrigger=True)
def build_generator(i, ex, args):
"""Define and instantiate a new generator when pulled"""
args.generator_body = hive.parameter(("str", "code"))
ex.generator = hive.variable()
ex.generator_body = hive.variable(("str", "code"), args.generator_body)
i.create_generator = hive.modifier(on_new_generator)
i.generator_out = hive.pull_out(ex.generator)
ex.generator_out = hive.output(i.generator_out)
hive.trigger(i.generator_out, i.create_generator, pretrigger=True)
def build_format(i, ex, args, meta_args):
"""Interface to Python string value formatting"""
formatter = string.Formatter()
format_string = meta_args.format_string
fields = list(formatter.parse(format_string))
kwarg_fields = []
indexed_fields = []
i.result = hive.attribute('str')
i.result_out = hive.pull_out(i.result)
for index, field in enumerate(fields):
literal_text = field[1]
if literal_text is None:
continue
if not literal_text.isidentifier():
field_name = "field_{}".format(index)
indexed_fields.append(field_name)
else:
field_name = literal_text
kwarg_fields.append(field_name)
# Create IO
attr = hive.attribute()
setattr(i, field_name, attr)
in_attr = hive.pull_in(attr)
setattr(i, "{}_in".format(field_name), in_attr)
setattr(ex, field_name, hive.antenna(in_attr))
hive.trigger(i.result_out, in_attr, pretrigger=True)
ex.result = hive.output(i.result_out)
def do_format(self):
args = [
getattr(self, "_{}".format(attr_name))
for attr_name in indexed_fields
]
kwargs = {
attr_name: getattr(self, "_{}".format(attr_name))
for attr_name in kwarg_fields
}
self._result = formatter.format(format_string, *args, **kwargs)
i.func = hive.modifier(do_format)
hive.trigger(i.result_out, i.func, pretrigger=True)
def build_import(i, ex, args):
"""Interface to python import mechanism"""
i.do_import = hive.modifier(do_import_from_path)
i.import_path = hive.variable("str")
i.pull_import_path = hive.pull_in(i.import_path)
ex.import_path = hive.antenna(i.pull_import_path)
i.module = hive.variable("module")
i.pull_module = hive.pull_out(i.module)
ex.module = hive.output(i.pull_module)
hive.trigger(i.pull_module, i.pull_import_path, pretrigger=True)
hive.trigger(i.pull_module, i.do_import, pretrigger=True)
