Source code for pm4py.algo.discovery.inductive.util.petri_cleaning

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from pm4py.objects.petri_net.utils.petri_utils import remove_transition

[docs]def petri_reduction_treplay(net, parameters=None): """ Apply petri_reduction on the Petrinet removing hidden transitions that are unused according to token-based replay Parameters ----------- net Petri net parameters Parameters of the algorithm, including: aligned_traces -> Result of alignment according to token-based replay Returns ----------- net Reduced Petri net """ if parameters is None: parameters = {} aligned_traces = parameters["aligned_traces"] enabled_trans_in_at_least_one_trace = set() for trace in aligned_traces: for trans in trace["activated_transitions"]: enabled_trans_in_at_least_one_trace.add(trans) transitions = list(net.transitions) for trans in transitions: if trans.label is None: if trans not in enabled_trans_in_at_least_one_trace: net = remove_transition(net, trans) return net