def reach_fm_with_invisibles(self, marking):
"""
Reaches the final marking using invisible transitions
Parameters
--------------
marking
Marking
Returns
--------------
new_marking
New marking (hopely equal to the final marking)
"""
spath = None
spath_length = sys.maxsize
for pl in marking:
if pl in self.dictio_spaths:
for pl2 in self.fm:
if pl2 in self.dictio_spaths[pl]:
new_path = self.dictio_spaths[pl][pl2]
if len(new_path) < spath_length:
spath = new_path
spath_length = len(spath)
if spath is not None:
# try to fire the transitions
for tr in spath:
if tr in semantics.enabled_transitions(self.net, marking):
marking = semantics.weak_execute(tr, marking)
else:
return None
return marking
return None
def get_visible_transitions_eventually_enabled_by_marking(net, marking):
"""
Get visible transitions eventually enabled by marking (passing possibly through hidden transitions)
Parameters
----------
net
Petri net
marking
Current marking
"""
all_enabled_transitions = sorted(list(semantics.enabled_transitions(net, marking)),
key=lambda x: (str(x.name), id(x)))
initial_all_enabled_transitions_marking_dictio = {}
all_enabled_transitions_marking_dictio = {}
for trans in all_enabled_transitions:
all_enabled_transitions_marking_dictio[trans] = marking
initial_all_enabled_transitions_marking_dictio[trans] = marking
visible_transitions = set()
visited_transitions = set()
i = 0
while i < len(all_enabled_transitions):
t = all_enabled_transitions[i]
marking_copy = copy(all_enabled_transitions_marking_dictio[t])
if repr([t, marking_copy]) not in visited_transitions:
if t.label is not None:
visible_transitions.add(t)
else:
if semantics.is_enabled(t, net, marking_copy):
new_marking = semantics.execute(t, net, marking_copy)
new_enabled_transitions = sorted(list(semantics.enabled_transitions(net, new_marking)),
key=lambda x: (str(x.name), id(x)))
for t2 in new_enabled_transitions:
all_enabled_transitions.append(t2)
all_enabled_transitions_marking_dictio[t2] = new_marking
visited_transitions.add(repr([t, marking_copy]))
i = i + 1
return visible_transitions
def acyclic_net_variants(net,
initial_marking,
final_marking,
activity_key=xes_util.DEFAULT_NAME_KEY):
"""
Given an acyclic accepting Petri net, initial and final marking extracts a set of variants (in form of traces)
replayable on the net.
Warning: this function is based on a marking exploration. If the accepting Petri net contains loops, the method
will not work properly as it stops the search if a specific marking has already been encountered.
Parameters
----------
:param net: An acyclic workflow net
:param initial_marking: The initial marking of the net.
:param final_marking: The final marking of the net.
:param activity_key: activity key to use
Returns
-------
:return: variants: :class:`list` Set of variants - in the form of Trace objects - obtainable executing the net
"""
active = {(initial_marking, ())}
visited = set()
variants = set()
while active:
curr_marking, curr_partial_trace = active.pop()
curr_pair = (curr_marking, curr_partial_trace)
enabled_transitions = semantics.enabled_transitions(net, curr_marking)
for transition in enabled_transitions:
if transition.label is not None:
next_partial_trace = curr_partial_trace + (transition.label, )
else:
next_partial_trace = curr_partial_trace
next_marking = semantics.execute(transition, net, curr_marking)
next_pair = (next_marking, next_partial_trace)
if next_marking == final_marking:
variants.add(next_partial_trace)
else:
# If the next marking is not in visited, if the next marking+partial trace is different from the current one+partial trace
if next_pair not in visited and curr_pair != next_pair:
active.add(next_pair)
visited.add(curr_pair)
trace_variants = []
for variant in variants:
trace = Trace()
for activity_label in variant:
trace.append(Event({activity_key: activity_label}))
trace_variants.append(trace)
return trace_variants
def marking_flow_petri(net, im, return_eventually_enabled=False, parameters=None):
"""
Construct the marking flow of a Petri net
Parameters
-----------------
net
Petri net
im
Initial marking
return_eventually_enabled
Return the eventually enabled (visible) transitions
"""
if parameters is None:
parameters = {}
# set a maximum execution time of 1 day (it can be changed by providing the parameter)
max_exec_time = exec_utils.get_param_value(Parameters.MAX_ELAB_TIME, parameters, 86400)
start_time = time.time()
incoming_transitions = {im: set()}
outgoing_transitions = {}
eventually_enabled = {}
active = [im]
while active:
if (time.time() - start_time) >= max_exec_time:
# interrupt the execution
return incoming_transitions, outgoing_transitions, eventually_enabled
m = active.pop()
enabled_transitions = semantics.enabled_transitions(net, m)
if return_eventually_enabled:
eventually_enabled[m] = align_utils.get_visible_transitions_eventually_enabled_by_marking(net, m)
outgoing_transitions[m] = {}
for t in enabled_transitions:
nm = semantics.weak_execute(t, m)
outgoing_transitions[m][t] = nm
if nm not in incoming_transitions:
incoming_transitions[nm] = set()
if nm not in active:
active.append(nm)
incoming_transitions[nm].add(t)
return incoming_transitions, outgoing_transitions, eventually_enabled
def enable_trans_with_invisibles(self, marking, activity):
"""
Enables a visible transition (that is not enabled) through
invisible transitions
Parameters
----------------
marking
Marking
activity
Activity to enable
Returns
---------------
new_marking
New marking (where the transition CAN be enabled)
"""
corr_trans_to_act = [x for x in self.net.transitions if x.label == activity]
spath = None
spath_length = sys.maxsize
for pl in marking:
for tr in corr_trans_to_act:
if pl in self.dictio_spaths:
if tr in self.dictio_spaths[pl]:
new_path = self.dictio_spaths[pl][tr]
if len(new_path) < spath_length:
spath = new_path
spath_length = len(spath)
if spath is not None:
# try to fire the transitions
for tr in spath:
if tr in semantics.enabled_transitions(self.net, marking):
marking = semantics.weak_execute(tr, marking)
else:
return None
return marking
return None
"""
if activity in self.activities:
if case not in self.case_dict:
self.case_dict[case] = self.encode_marking(copy(self.im))
self.missing[case] = 0
self.remaining[case] = 0
marking = self.decode_marking(self.case_dict[case])
new_marking = marking
prev_marking = None
correct_exec = False
numb_it = 0
while new_marking is not None and prev_marking != new_marking:
numb_it = numb_it + 1
if numb_it > self.maximum_iterations_invisibles:
break
enabled_transitions = semantics.enabled_transitions(self.net, new_marking)
matching_transitions = [x for x in enabled_transitions if x.label == activity]
if matching_transitions:
new_marking = semantics.weak_execute(matching_transitions[0], new_marking)
self.case_dict[case] = self.encode_marking(new_marking)
correct_exec = True
break
prev_marking = new_marking
new_marking = self.enable_trans_with_invisibles(new_marking, activity)
correct_exec = False
if correct_exec is False:
self.message_missing_tokens(activity, case)
# enables one of the matching transitions
matching_transitions = [x for x in self.net.transitions if x.label == activity]
t = matching_transitions[0]
for a in t.in_arcs:
def apply_playout(net,
initial_marking,
no_traces=100,
max_trace_length=100,
case_id_key=xes_constants.DEFAULT_TRACEID_KEY,
activity_key=xes_constants.DEFAULT_NAME_KEY,
timestamp_key=xes_constants.DEFAULT_TIMESTAMP_KEY,
final_marking=None,
smap=None,
log=None,
return_visited_elements=False):
"""
Do the playout of a Petrinet generating a log
Parameters
----------
net
Petri net to play-out
initial_marking
Initial marking of the Petri net
no_traces
Number of traces to generate
max_trace_length
Maximum number of events per trace (do break)
case_id_key
Trace attribute that is the case ID
activity_key
Event attribute that corresponds to the activity
timestamp_key
Event attribute that corresponds to the timestamp
final_marking
If provided, the final marking of the Petri net
smap
Stochastic map
log
Log
"""
if final_marking is None:
# infer the final marking from the net
final_marking = final_marking_discovery.discover_final_marking(net)
if smap is None:
if log is None:
raise Exception(
"please provide at least one between stochastic map and log")
smap = replay.get_map_from_log_and_net(log,
net,
initial_marking,
final_marking,
parameters={
Parameters.ACTIVITY_KEY:
activity_key,
Parameters.TIMESTAMP_KEY:
timestamp_key
})
# assigns to each event an increased timestamp from 1970
curr_timestamp = 10000000
all_visited_elements = []
for i in range(no_traces):
visited_elements = []
visible_transitions_visited = []
marking = copy(initial_marking)
while len(visible_transitions_visited) < max_trace_length:
visited_elements.append(marking)
if not semantics.enabled_transitions(
net, marking): # supports nets with possible deadlocks
break
all_enabled_trans = semantics.enabled_transitions(net, marking)
if final_marking is not None and marking == final_marking:
en_t_list = list(all_enabled_trans.union({None}))
else:
en_t_list = list(all_enabled_trans)
trans = stochastic_utils.pick_transition(en_t_list, smap)
if trans is None:
break
visited_elements.append(trans)
if trans.label is not None:
visible_transitions_visited.append(trans)
marking = semantics.execute(trans, net, marking)
all_visited_elements.append(tuple(visited_elements))
if return_visited_elements:
return all_visited_elements
log = log_instance.EventLog()
for index, visited_elements in enumerate(all_visited_elements):
trace = log_instance.Trace()
trace.attributes[case_id_key] = str(index)
for element in visited_elements:
if type(element
) is PetriNet.Transition and element.label is not None:
event = log_instance.Event()
event[activity_key] = element.label
event[timestamp_key] = datetime.datetime.fromtimestamp(
curr_timestamp)
trace.append(event)
# increases by 1 second
curr_timestamp += 1
log.append(trace)
return log
def calculate_annotation_for_trace(trace,
net,
initial_marking,
act_trans,
activity_key,
ht_perf_method="last"):
"""
Calculate annotation for a trace in the variant, in order to retrieve information
useful for calculate frequency/performance for all the traces belonging to the variant
Parameters
-----------
trace
Trace
net
Petri net
initial_marking
Initial marking
act_trans
Activated transitions during token replay of the given trace
activity_key
Attribute that identifies the activity (must be specified if different from concept:name)
ht_perf_method
Method to use in order to annotate hidden transitions (performance value could be put on the last possible
point (last) or in the first possible point (first)
Returns
----------
annotation
Statistics annotation for the given trace
"""
annotations_places_trans = {}
annotations_arcs = {}
trace_place_stats = {}
current_trace_index = 0
j = 0
marking = copy(initial_marking)
for place in marking:
if place not in annotations_places_trans:
annotations_places_trans[place] = {"count": 0}
annotations_places_trans[place][
"count"] = annotations_places_trans[place]["count"] + marking[
place]
trace_place_stats[place] = [current_trace_index] * marking[place]
for z in range(len(act_trans)):
enabled_trans_in_marking = semantics.enabled_transitions(net, marking)
# print("enabled_trans_in_marking", enabled_trans_in_marking)
for trans in enabled_trans_in_marking:
if trans not in annotations_places_trans:
annotations_places_trans[trans] = {
"count": 0,
"performance": [],
"no_of_times_enabled": 0,
"no_of_times_activated": 0
}
annotations_places_trans[trans][
"no_of_times_enabled"] = annotations_places_trans[trans][
"no_of_times_enabled"] + 1
trans = act_trans[z]
if trans not in annotations_places_trans:
annotations_places_trans[trans] = {
"count": 0,
"performance": [],
"no_of_times_enabled": 0,
"no_of_times_activated": 0
}
annotations_places_trans[trans][
"count"] = annotations_places_trans[trans]["count"] + 1
if trans not in enabled_trans_in_marking:
annotations_places_trans[trans][
"no_of_times_enabled"] = annotations_places_trans[trans][
"no_of_times_enabled"] + 1
annotations_places_trans[trans][
"no_of_times_activated"] = annotations_places_trans[trans][
"no_of_times_activated"] + 1
new_marking = semantics.weak_execute(trans, marking)
if not new_marking:
break
marking_diff = set(new_marking).difference(set(marking))
for place in marking_diff:
if place not in annotations_places_trans:
annotations_places_trans[place] = {"count": 0}
annotations_places_trans[place][
"count"] = annotations_places_trans[place]["count"] + max(
new_marking[place] - marking[place], 1)
marking = new_marking
if j < len(trace):
current_trace_index = j
if trans.label == trace[j][activity_key]:
j = j + 1
in_arc_indexes = [
trace_place_stats[arc.source][0] for arc in trans.in_arcs if
arc.source in trace_place_stats and trace_place_stats[arc.source]
]
if in_arc_indexes:
min_in_arc_indexes = min(in_arc_indexes)
max_in_arc_indexes = max(in_arc_indexes)
else:
min_in_arc_indexes = None
max_in_arc_indexes = None
performance_for_this_trans_execution = []
for arc in trans.in_arcs:
source_place = arc.source
if arc not in annotations_arcs:
annotations_arcs[arc] = {"performance": [], "count": 0}
annotations_arcs[arc][
"count"] = annotations_arcs[arc]["count"] + 1
if source_place in trace_place_stats and trace_place_stats[
source_place]:
if trans.label or ht_perf_method == "first":
annotations_arcs[arc]["performance"].append([
current_trace_index, trace_place_stats[source_place][0]
])
performance_for_this_trans_execution.append([[
current_trace_index, trace_place_stats[source_place][0]
], current_trace_index - trace_place_stats[source_place][0]
])
elif min_in_arc_indexes:
annotations_arcs[arc]["performance"].append(
[current_trace_index, current_trace_index])
performance_for_this_trans_execution.append(
[[current_trace_index, current_trace_index], 0])
del trace_place_stats[source_place][0]
for arc in trans.out_arcs:
target_place = arc.target
if arc not in annotations_arcs:
annotations_arcs[arc] = {"performance": [], "count": 0}
annotations_arcs[arc][
"count"] = annotations_arcs[arc]["count"] + 1
if target_place not in trace_place_stats:
trace_place_stats[target_place] = []
if trans.label or ht_perf_method == "first":
trace_place_stats[target_place].append(current_trace_index)
elif max_in_arc_indexes:
trace_place_stats[target_place].append(max_in_arc_indexes)
if performance_for_this_trans_execution:
performance_for_this_trans_execution = sorted(
performance_for_this_trans_execution, key=lambda x: x[1])
annotations_places_trans[trans]["performance"].append(
performance_for_this_trans_execution[0][0])
return annotations_places_trans, annotations_arcs
def apply(net, initial_marking, final_marking=None, parameters=None):
"""
Do the playout of a Petrinet generating a log (extensive search; stop at the maximum
trace length specified
Parameters
-----------
net
Petri net to play-out
initial_marking
Initial marking of the Petri net
final_marking
If provided, the final marking of the Petri net
parameters
Parameters of the algorithm:
Parameters.MAX_TRACE_LENGTH -> Maximum trace length
"""
if parameters is None:
parameters = {}
case_id_key = exec_utils.get_param_value(Parameters.CASE_ID_KEY,
parameters,
xes_constants.DEFAULT_TRACEID_KEY)
activity_key = exec_utils.get_param_value(Parameters.ACTIVITY_KEY,
parameters,
xes_constants.DEFAULT_NAME_KEY)
timestamp_key = exec_utils.get_param_value(
Parameters.TIMESTAMP_KEY, parameters,
xes_constants.DEFAULT_TIMESTAMP_KEY)
max_trace_length = exec_utils.get_param_value(Parameters.MAX_TRACE_LENGTH,
parameters, 10)
return_elements = exec_utils.get_param_value(Parameters.RETURN_ELEMENTS,
parameters, False)
max_marking_occ = exec_utils.get_param_value(Parameters.MAX_MARKING_OCC,
parameters, sys.maxsize)
# assigns to each event an increased timestamp from 1970
curr_timestamp = 10000000
feasible_elements = []
to_visit = [(initial_marking, (), ())]
visited = set()
while len(to_visit) > 0:
state = to_visit.pop(0)
m = state[POSITION_MARKING]
trace = state[POSITION_TRACE]
elements = state[POSITION_ELEMENTS]
if (m, trace) in visited:
continue
visited.add((m, trace))
en_t = semantics.enabled_transitions(net, m)
if (final_marking is not None
and m == final_marking) or (final_marking is None
and len(en_t) == 0):
if len(trace) <= max_trace_length:
feasible_elements.append(elements)
for t in en_t:
new_elements = elements + (m, )
new_elements = new_elements + (t, )
counter_elements = Counter(new_elements)
if counter_elements[m] > max_marking_occ:
continue
new_m = semantics.weak_execute(t, m)
if t.label is not None:
new_trace = trace + (t.label, )
else:
new_trace = trace
new_state = (new_m, new_trace, new_elements)
if new_state in visited or len(new_trace) > max_trace_length:
continue
to_visit.append(new_state)
if return_elements:
return feasible_elements
log = log_instance.EventLog()
for elements in feasible_elements:
log_trace = log_instance.Trace()
log_trace.attributes[case_id_key] = str(len(log))
activities = [
x.label for x in elements
if type(x) is PetriNet.Transition and x.label is not None
]
for act in activities:
curr_timestamp = curr_timestamp + 1
log_trace.append(
log_instance.Event({
activity_key:
act,
timestamp_key:
datetime.datetime.fromtimestamp(curr_timestamp)
}))
log.append(log_trace)
return log
def __transform_model_to_mem_efficient_structure(net,
im,
fm,
trace,
parameters=None):
"""
Transform the Petri net model to a memory efficient structure
Parameters
--------------
net
Petri net
im
Initial marking
fm
Final marking
trace
Trace
parameters
Parameters
Returns
--------------
model_struct
Model data structure, including:
PLACES_DICT: associates each place to a number
INV_TRANS_DICT: associates a number to each transition
LABELS_DICT: labels dictionary (a label to a number)
TRANS_LABELS_DICT: associates each transition to the number corresponding to its label
TRANS_PRE_DICT: preset of a transition, expressed as in this data structure
TRANS_POST_DICT: postset of a transition, expressed as in this data structure
TRANSF_IM: transformed initial marking
TRANSF_FM: transformed final marking
TRANSF_MODEL_COST_FUNCTION: transformed model cost function
"""
if parameters is None:
parameters = {}
activity_key = exec_utils.get_param_value(Parameters.ACTIVITY_KEY,
parameters, DEFAULT_NAME_KEY)
labels = sorted(list(set(x[activity_key] for x in trace)))
model_cost_function = exec_utils.get_param_value(
Parameters.PARAM_MODEL_COST_FUNCTION, parameters, None)
if model_cost_function is None:
model_cost_function = {}
for t in net.transitions:
if t.label is not None:
model_cost_function[t] = align_utils.STD_MODEL_LOG_MOVE_COST
else:
preset_t = Marking()
for a in t.in_arcs:
preset_t[a.source] = a.weight
# optimization 12/08/2020
#
# instead of giving undiscriminately weight 1 to
# invisible transitions, assign weight 0 to the ones
# for which no 'sync' transition is enabled in their
# activation markings.
#
# this requires to modify the state of the alignment, keeping track
# of the length of the alignment, to avoid loops.
en_t = enabled_transitions(net, preset_t)
vis_t_trace = [t for t in en_t if t.label in labels]
if len(vis_t_trace) == 0:
model_cost_function[t] = 0
else:
model_cost_function[t] = align_utils.STD_TAU_COST
places_dict = {place: index for index, place in enumerate(net.places)}
trans_dict = {trans: index for index, trans in enumerate(net.transitions)}
labels = sorted(
list(set(t.label for t in net.transitions if t.label is not None)))
labels_dict = {labels[i]: i for i in range(len(labels))}
trans_labels_dict = {}
for t in net.transitions:
trans_labels_dict[trans_dict[t]] = labels_dict[
t.label] if t.label is not None else None
trans_pre_dict = {
trans_dict[t]: {places_dict[x.source]: x.weight
for x in t.in_arcs}
for t in net.transitions
}
trans_post_dict = {
trans_dict[t]: {places_dict[x.target]: x.weight
for x in t.out_arcs}
for t in net.transitions
}
transf_im = {places_dict[p]: im[p] for p in im}
transf_fm = {places_dict[p]: fm[p] for p in fm}
transf_model_cost_function = {
trans_dict[t]: model_cost_function[t]
for t in net.transitions
}
inv_trans_dict = {y: x for x, y in trans_dict.items()}
return {
PLACES_DICT: places_dict,
INV_TRANS_DICT: inv_trans_dict,
LABELS_DICT: labels_dict,
TRANS_LABELS_DICT: trans_labels_dict,
TRANS_PRE_DICT: trans_pre_dict,
TRANS_POST_DICT: trans_post_dict,
TRANSF_IM: transf_im,
TRANSF_FM: transf_fm,
TRANSF_MODEL_COST_FUNCTION: transf_model_cost_function
}
def run(self):
"""
Runs the thread
"""
if self.enable_diagnostics:
diagnostics = SimulationDiagnostics(self)
diagnostics.start()
from intervaltree import IntervalTree, Interval
logging.basicConfig()
logger = logging.getLogger(__name__)
logger.setLevel(logging.DEBUG)
net, im, fm, smap, source, sink, start_time = self.net, self.im, self.fm, self.map, self.source, self.sink, self.start_time
places_interval_trees = self.places_interval_trees
transitions_interval_trees = self.transitions_interval_trees
cases_ex_time = self.cases_ex_time
current_time = start_time
self.internal_thread_start_time = time()
rem_time = self.get_rem_time()
acquired_places = set()
acquired = source.semaphore.acquire(timeout=rem_time)
if acquired:
acquired_places.add(source)
source.assigned_time.append(current_time)
current_marking = im
et = enabled_transitions(net, current_marking)
first_event = None
last_event = None
while not fm <= current_marking or len(et) == 0:
et = list(enabled_transitions(net, current_marking))
ct = stochastic_utils.pick_transition(et, smap)
simulated_execution_plus_waiting_time = -1
while simulated_execution_plus_waiting_time < 0:
simulated_execution_plus_waiting_time = smap[ct].get_value(
) if ct in smap else 0.0
# establish how much time we need to wait before firing the transition
# (it depends on the input places tokens)
waiting_time = 0
for arc in ct.out_arcs:
place = arc.target
sem_value = int(place.semaphore._value)
rem_time = self.get_rem_time()
acquired = place.semaphore.acquire(timeout=rem_time)
if acquired:
acquired_places.add(place)
rem_time = self.get_rem_time()
if rem_time == 0:
break
if sem_value == 0:
waiting_time = max(
waiting_time,
place.assigned_time.pop(0) -
current_time) if place.assigned_time else waiting_time
if rem_time == 0:
for place in acquired_places:
place.semaphore.release()
break
# if the waiting time is greater than 0, add an interval to the interval tree denoting
# the waiting times for the given transition
if waiting_time > 0:
transitions_interval_trees[ct].add(
Interval(current_time, current_time + waiting_time))
# get the actual execution time of the transition as a difference between simulated_execution_plus_waiting_time
# and the waiting time
execution_time = max(
simulated_execution_plus_waiting_time - waiting_time, 0)
# increase the timing based on the waiting time and the execution time of the transition
current_time = current_time + waiting_time + execution_time
for arc in ct.out_arcs:
place = arc.target
place.assigned_time.append(current_time)
place.assigned_time = sorted(place.assigned_time)
current_marking = weak_execute(ct, current_marking)
if ct.label is not None:
eve = Event({
xes_constants.DEFAULT_NAME_KEY:
ct.label,
xes_constants.DEFAULT_TIMESTAMP_KEY:
datetime.datetime.fromtimestamp(current_time)
})
last_event = eve
if first_event is None:
first_event = last_event
self.list_cases[self.id].append(eve)
for arc in ct.in_arcs:
place = arc.source
p_ex_time = place.assigned_time.pop(0)
if current_time - p_ex_time > 0:
places_interval_trees[place].add(
Interval(p_ex_time, current_time))
place.assigned_time.append(current_time)
place.assigned_time = sorted(place.assigned_time)
place.semaphore.release()
# sleep before starting next iteration
sleep((waiting_time + execution_time) / self.small_scale_factor)
if first_event is not None and last_event is not None:
cases_ex_time.append(
last_event[xes_constants.DEFAULT_TIMESTAMP_KEY].timestamp() -
first_event[xes_constants.DEFAULT_TIMESTAMP_KEY].timestamp())
else:
cases_ex_time.append(0)
places_to_free = set(current_marking).union(acquired_places)
for place in places_to_free:
place.semaphore.release()
rem_time = self.get_rem_time()
if rem_time > 0:
self.terminated_correctly = True
if self.enable_diagnostics:
logger.info(
str(time()) + " terminated successfully thread ID " +
str(self.id))
if self.enable_diagnostics:
if rem_time == 0:
if self.enable_diagnostics:
logger.info(
str(time()) + " terminated for timeout thread ID " +
str(self.id))
if self.enable_diagnostics:
diagnostics.diagn_open = False