def _execute_action(self, action):
""" Build placeholders and store action.
"""
cmd, _self, args_, kwargs_, return_values = (
action.name,
action.target, # target is equivalent to the "self" in a method
action.args,
action.kwargs,
action.return_ids,
)
_self = self._fetch_placeholders_from_ids(_self)
args_ = self._fetch_placeholders_from_ids(args_)
kwargs_ = self._fetch_placeholders_from_ids(kwargs_)
return_values = self._fetch_placeholders_from_ids(return_values)
# We can only instantiate placeholders, filter them
return_placeholders = []
Role.nested_object_traversal(return_values,
lambda ph: return_placeholders.append(ph),
PlaceHolder)
if _self is None:
method = self._fetch_package_method(cmd)
response = method(*args_, **kwargs_)
else:
response = getattr(_self, cmd)(*args_, **kwargs_)
if not isinstance(response, (tuple, list)):
response = (response, )
PlaceHolder.instantiate_placeholders(return_placeholders, response)
def _instantiate_inputs(self, args):
""" Takes input arguments for this role and generate placeholders.
"""
input_placeholders = tuple(
self.placeholders[input_id] for input_id in self.input_placeholder_ids
)
PlaceHolder.instantiate_placeholders(input_placeholders, args)
def _execute_action(self, action):
""" Build placeholders and store action.
"""
cmd, _self, args, kwargs, return_placeholder = (
action.name,
action.target, # target is equivalent to the "self" in a method
action.args,
action.kwargs,
action.return_ids,
)
_self = self._fetch_placeholders_from_ids(_self)
args = self._fetch_placeholders_from_ids(args)
kwargs = self._fetch_placeholders_from_ids(kwargs)
return_placeholder = self._fetch_placeholders_from_ids(
return_placeholder)
if _self is None:
response = eval(cmd)(*args, **kwargs) # nosec
else:
response = getattr(_self, cmd)(*args, **kwargs)
if isinstance(response, PlaceHolder) or isinstance(
response, FrameworkTensor):
response = (response, )
PlaceHolder.instantiate_placeholders(return_placeholder, response)
def _execute_action(self, action):
""" Build placeholders and store action.
"""
cmd, _self, args_, kwargs_, return_placeholder = (
action.name,
action.target, # target is equivalent to the "self" in a method
action.args,
action.kwargs,
action.return_ids,
)
_self = self._fetch_placeholders_from_ids(_self)
args_ = self._fetch_placeholders_from_ids(args_)
kwargs_ = self._fetch_placeholders_from_ids(kwargs_)
return_placeholder = self._fetch_placeholders_from_ids(return_placeholder)
if _self is None:
method = self._fetch_package_method(cmd)
response = method(*args_, **kwargs_)
else:
response = getattr(_self, cmd)(*args_, **kwargs_)
if not isinstance(response, (tuple, list)):
response = (response,)
PlaceHolder.instantiate_placeholders(return_placeholder, response)
def wrap_stateful_plan(*args):
role = plan.role
state = args[-1]
if 0 < len(role.state.state_placeholders) == len(state) and isinstance(
state, (list, tuple)
):
state_placeholders = tuple(
role.placeholders[ph.id.value] for ph in role.state.state_placeholders
)
PlaceHolder.instantiate_placeholders(role.state.state_placeholders, state)
PlaceHolder.instantiate_placeholders(state_placeholders, state)
return plan(*args[:-1])
def _instantiate_inputs(self, args_):
""" Takes input arguments for this role and generate placeholders.
"""
input_placeholders = tuple(self.placeholders[input_id]
for input_id in self.input_placeholder_ids)
PlaceHolder.instantiate_placeholders(input_placeholders, args_)
# Last extra argument is a state?
if (len(self.state.state_placeholders) > 0
and len(args_) - len(input_placeholders) == 1
and isinstance(args_[-1], (list, tuple))
and len(args_[-1]) == len(self.state.state_placeholders)):
state_placeholders = tuple(self.placeholders[ph.id.value]
for ph in self.state.state_placeholders)
PlaceHolder.instantiate_placeholders(self.state.state_placeholders,
args_[-1])
PlaceHolder.instantiate_placeholders(state_placeholders, args_[-1])
