Ejemplo n.º 1
0
def execute_script():
    log = pm4py.read_xes(
        os.path.join("..", "tests", "input_data", "running-example.xes"))
    alpha_petri_net, alpha_im, alpha_fm = pm4py.discover_petri_net_alpha(log)
    heuristics_petri_net, heuristics_im, heuristics_fm = pm4py.discover_petri_net_heuristics(
        log)
    tree = pm4py.discover_tree_inductive(log)
    print("tree discovered by inductive miner=")
    print(tree)
    inductive_petri_net, inductive_im, inductive_fm = pt_converter.apply(tree)
    print("is_wf_net alpha", is_wf_net.apply(alpha_petri_net))
    print("is_wf_net heuristics", is_wf_net.apply(heuristics_petri_net))
    print("is_wf_net inductive", is_wf_net.apply(inductive_petri_net))
    print(
        "woflan alpha",
        woflan.apply(alpha_petri_net,
                     alpha_im,
                     alpha_fm,
                     parameters={
                         woflan.Parameters.RETURN_ASAP_WHEN_NOT_SOUND: True,
                         woflan.Parameters.PRINT_DIAGNOSTICS: False
                     }))
    print(
        "woflan heuristics",
        woflan.apply(heuristics_petri_net,
                     heuristics_im,
                     heuristics_fm,
                     parameters={
                         woflan.Parameters.RETURN_ASAP_WHEN_NOT_SOUND: True,
                         woflan.Parameters.PRINT_DIAGNOSTICS: False
                     }))
    print(
        "woflan inductive",
        woflan.apply(inductive_petri_net,
                     inductive_im,
                     inductive_fm,
                     parameters={
                         woflan.Parameters.RETURN_ASAP_WHEN_NOT_SOUND: True,
                         woflan.Parameters.PRINT_DIAGNOSTICS: False
                     }))
    try:
        tree_alpha = wf_net_converter.apply(alpha_petri_net, alpha_im,
                                            alpha_fm)
        print(tree_alpha)
    except:
        traceback.print_exc()
    try:
        tree_heuristics = wf_net_converter.apply(heuristics_petri_net,
                                                 heuristics_im, heuristics_fm)
        print(tree_heuristics)
    except:
        traceback.print_exc()
    try:
        tree_inductive = wf_net_converter.apply(inductive_petri_net,
                                                inductive_im, inductive_fm)
        print(tree_inductive)
        pm4py.view_process_tree(tree_inductive, format="svg")
    except:
        traceback.print_exc()
Ejemplo n.º 2
0
def discoverProcess(miner, log):

    if miner == "Alpha":
        petri_net, initial_marking, final_marking = pm4py.discover_petri_net_alpha(
            log)

    if miner == "Alpha+":
        petri_net, initial_marking, final_marking = pm4py.discover_petri_net_alpha_plus(
            log)

    if miner == "Heuristic":
        petri_net, initial_marking, final_marking = pm4py.discover_petri_net_heuristics(
            log)

    if miner == "Inductive":
        petri_net, initial_marking, final_marking = pm4py.discover_petri_net_inductive(
            log)

    return petri_net, initial_marking, final_marking
Ejemplo n.º 3
0
def visualizeProcess(view, petri_net, initial_marking, final_marking):

    if view == "Heuristics net":
        petri_net, initial_marking, final_marking = pm4py.discover_petri_net_alpha(
            log)

    if view == "Petri net":
        petri_net, initial_marking, final_marking = pm4py.discover_petri_net_alpha_plus(
            log)

    if view == "Process tree":
        petri_net, initial_marking, final_marking = pm4py.discover_petri_net_heuristics(
            log)

    if view == "BPMN":
        process = pm4py.view_petri_net(petri_net,
                                       initial_marking,
                                       final_marking,
                                       format='png')

    return process
Ejemplo n.º 4
0
from pm4py.visualization.petri_net import visualizer as pn_visualizer

LOGS_FOLDER = "../compressed_input_data"

for log_name in os.listdir(LOGS_FOLDER):
    if "xes" in log_name:
        bpmn_output_path = tempfile.NamedTemporaryFile(suffix=".bpmn")
        bpmn_output_path.close()
        bpmn_output_path = bpmn_output_path.name
        log_path = os.path.join(LOGS_FOLDER, log_name)
        print("")
        print(log_path)
        log = pm4py.read_xes(log_path)
        fp_log = pm4py.algo.discovery.footprints.log.variants.entire_event_log.apply(
            log)
        net, im, fm = pm4py.discover_petri_net_heuristics(log)
        fitness0 = pm4py.evaluate_fitness_alignments(log, net, im, fm)
        precision0 = pm4py.evaluate_precision_alignments(log, net, im, fm)
        print("fitness 0", fitness0)
        print("precision 0", precision0)
        bpmn_graph = pm4py.objects.conversion.wf_net.variants.to_bpmn.apply(
            net, im, fm)
        bpmn_graph = layouter.apply(bpmn_graph)
        exporter.apply(bpmn_graph, bpmn_output_path)
        bpmn_graph = importer.apply(bpmn_output_path)
        bpmn_graph = layouter.apply(bpmn_graph)
        # gets the net back
        net, im, fm = pm4py.objects.conversion.bpmn.variants.to_petri_net.apply(
            bpmn_graph)
        gviz = pn_visualizer.apply(net, im, fm)
        pn_visualizer.view(gviz)
Ejemplo n.º 5
0
 def test_heuristics_miner(self):
     log = pm4py.read_xes("input_data/running-example.xes")
     net, im, fm = pm4py.discover_petri_net_heuristics(log)
Ejemplo n.º 6
0
def execute_script():
    ENABLE_VISUALIZATION = True

    # reads a XES into an event log
    log1 = pm4py.read_xes("../tests/input_data/running-example.xes")

    # reads a CSV into a dataframe
    df = pd.read_csv("../tests/input_data/running-example.csv")
    # formats the dataframe with the mandatory columns for process mining purposes
    df = pm4py.format_dataframe(df,
                                case_id="case:concept:name",
                                activity_key="concept:name",
                                timestamp_key="time:timestamp")
    # converts the dataframe to an event log
    log2 = pm4py.convert_to_event_log(df)

    # converts the log read from XES into a stream and dataframe respectively
    stream1 = pm4py.convert_to_event_stream(log1)
    df2 = pm4py.convert_to_dataframe(log1)

    # writes the log1 to a XES file
    pm4py.write_xes(log1, "ru1.xes")

    dfg, dfg_sa, dfg_ea = pm4py.discover_dfg(log1)
    petri_alpha, im_alpha, fm_alpha = pm4py.discover_petri_net_alpha(log1)
    petri_inductive, im_inductive, fm_inductive = pm4py.discover_petri_net_inductive(
        log1)
    petri_heuristics, im_heuristics, fm_heuristics = pm4py.discover_petri_net_heuristics(
        log1)
    tree_inductive = pm4py.discover_tree_inductive(log1)
    heu_net = pm4py.discover_heuristics_net(log1)

    pm4py.write_dfg(dfg, dfg_sa, dfg_ea, "ru_dfg.dfg")
    pm4py.write_petri_net(petri_alpha, im_alpha, fm_alpha, "ru_alpha.pnml")
    pm4py.write_petri_net(petri_inductive, im_inductive, fm_inductive,
                          "ru_inductive.pnml")
    pm4py.write_petri_net(petri_heuristics, im_heuristics, fm_heuristics,
                          "ru_heuristics.pnml")
    pm4py.write_process_tree(tree_inductive, "ru_inductive.ptml")

    dfg, dfg_sa, dfg_ea = pm4py.read_dfg("ru_dfg.dfg")
    petri_alpha, im_alpha, fm_alpha = pm4py.read_petri_net("ru_alpha.pnml")
    petri_inductive, im_inductive, fm_inductive = pm4py.read_petri_net(
        "ru_inductive.pnml")
    petri_heuristics, im_heuristics, fm_heuristics = pm4py.read_petri_net(
        "ru_heuristics.pnml")
    tree_inductive = pm4py.read_process_tree("ru_inductive.ptml")

    pm4py.save_vis_petri_net(petri_alpha, im_alpha, fm_alpha, "ru_alpha.png")
    pm4py.save_vis_petri_net(petri_inductive, im_inductive, fm_inductive,
                             "ru_inductive.png")
    pm4py.save_vis_petri_net(petri_heuristics, im_heuristics, fm_heuristics,
                             "ru_heuristics.png")
    pm4py.save_vis_process_tree(tree_inductive, "ru_inductive_tree.png")
    pm4py.save_vis_heuristics_net(heu_net, "ru_heunet.png")
    pm4py.save_vis_dfg(dfg, dfg_sa, dfg_ea, "ru_dfg.png")

    if ENABLE_VISUALIZATION:
        pm4py.view_petri_net(petri_alpha, im_alpha, fm_alpha, format="svg")
        pm4py.view_petri_net(petri_inductive,
                             im_inductive,
                             fm_inductive,
                             format="svg")
        pm4py.view_petri_net(petri_heuristics,
                             im_heuristics,
                             fm_heuristics,
                             format="svg")
        pm4py.view_process_tree(tree_inductive, format="svg")
        pm4py.view_heuristics_net(heu_net, format="svg")
        pm4py.view_dfg(dfg, dfg_sa, dfg_ea, format="svg")

    aligned_traces = pm4py.conformance_alignments(log1, petri_inductive,
                                                  im_inductive, fm_inductive)
    replayed_traces = pm4py.conformance_tbr(log1, petri_inductive,
                                            im_inductive, fm_inductive)

    fitness_tbr = pm4py.evaluate_fitness_tbr(log1, petri_inductive,
                                             im_inductive, fm_inductive)
    print("fitness_tbr", fitness_tbr)
    fitness_align = pm4py.evaluate_fitness_alignments(log1, petri_inductive,
                                                      im_inductive,
                                                      fm_inductive)
    print("fitness_align", fitness_align)
    precision_tbr = pm4py.evaluate_precision_tbr(log1, petri_inductive,
                                                 im_inductive, fm_inductive)
    print("precision_tbr", precision_tbr)
    precision_align = pm4py.evaluate_precision_alignments(
        log1, petri_inductive, im_inductive, fm_inductive)
    print("precision_align", precision_align)

    print("log start activities = ", pm4py.get_start_activities(log2))
    print("df start activities = ", pm4py.get_start_activities(df2))
    print("log end activities = ", pm4py.get_end_activities(log2))
    print("df end activities = ", pm4py.get_end_activities(df2))
    print("log attributes = ", pm4py.get_attributes(log2))
    print("df attributes = ", pm4py.get_attributes(df2))
    print("log org:resource values = ",
          pm4py.get_attribute_values(log2, "org:resource"))
    print("df org:resource values = ",
          pm4py.get_attribute_values(df2, "org:resource"))

    print("start_activities len(filt_log) = ",
          len(pm4py.filter_start_activities(log2, ["register request"])))
    print("start_activities len(filt_df) = ",
          len(pm4py.filter_start_activities(df2, ["register request"])))
    print("end_activities len(filt_log) = ",
          len(pm4py.filter_end_activities(log2, ["pay compensation"])))
    print("end_activities len(filt_df) = ",
          len(pm4py.filter_end_activities(df2, ["pay compensation"])))
    print(
        "attributes org:resource len(filt_log) (cases) cases = ",
        len(
            pm4py.filter_attribute_values(log2,
                                          "org:resource", ["Ellen"],
                                          level="case")))
    print(
        "attributes org:resource len(filt_log) (cases)  events = ",
        len(
            pm4py.filter_attribute_values(log2,
                                          "org:resource", ["Ellen"],
                                          level="event")))
    print(
        "attributes org:resource len(filt_df) (events) cases = ",
        len(
            pm4py.filter_attribute_values(df2,
                                          "org:resource", ["Ellen"],
                                          level="case")))
    print(
        "attributes org:resource len(filt_df) (events) events = ",
        len(
            pm4py.filter_attribute_values(df2,
                                          "org:resource", ["Ellen"],
                                          level="event")))
    print(
        "attributes org:resource len(filt_df) (events) events notpositive = ",
        len(
            pm4py.filter_attribute_values(df2,
                                          "org:resource", ["Ellen"],
                                          level="event",
                                          retain=False)))

    print("variants log = ", pm4py.get_variants(log2))
    print("variants df = ", pm4py.get_variants(df2))
    print(
        "variants filter log = ",
        len(
            pm4py.filter_variants(log2, [[
                "register request", "examine thoroughly", "check ticket",
                "decide", "reject request"
            ]])))
    print(
        "variants filter df = ",
        len(
            pm4py.filter_variants(df2, [[
                "register request", "examine thoroughly", "check ticket",
                "decide", "reject request"
            ]])))
    print("variants filter percentage = ",
          len(pm4py.filter_variants_percentage(log2, threshold=0.8)))

    print(
        "paths filter log len = ",
        len(
            pm4py.filter_directly_follows_relation(
                log2, [("register request", "examine casually")])))
    print(
        "paths filter dataframe len = ",
        len(
            pm4py.filter_directly_follows_relation(
                df2, [("register request", "examine casually")])))

    print(
        "timeframe filter log events len = ",
        len(
            pm4py.filter_time_range(log2,
                                    "2011-01-01 00:00:00",
                                    "2011-02-01 00:00:00",
                                    mode="events")))
    print(
        "timeframe filter log traces_contained len = ",
        len(
            pm4py.filter_time_range(log2,
                                    "2011-01-01 00:00:00",
                                    "2011-02-01 00:00:00",
                                    mode="traces_contained")))
    print(
        "timeframe filter log traces_intersecting len = ",
        len(
            pm4py.filter_time_range(log2,
                                    "2011-01-01 00:00:00",
                                    "2011-02-01 00:00:00",
                                    mode="traces_intersecting")))
    print(
        "timeframe filter df events len = ",
        len(
            pm4py.filter_time_range(df2,
                                    "2011-01-01 00:00:00",
                                    "2011-02-01 00:00:00",
                                    mode="events")))
    print(
        "timeframe filter df traces_contained len = ",
        len(
            pm4py.filter_time_range(df2,
                                    "2011-01-01 00:00:00",
                                    "2011-02-01 00:00:00",
                                    mode="traces_contained")))
    print(
        "timeframe filter df traces_intersecting len = ",
        len(
            pm4py.filter_time_range(df2,
                                    "2011-01-01 00:00:00",
                                    "2011-02-01 00:00:00",
                                    mode="traces_intersecting")))

    # remove the temporary files
    os.remove("ru1.xes")
    os.remove("ru_dfg.dfg")
    os.remove("ru_alpha.pnml")
    os.remove("ru_inductive.pnml")
    os.remove("ru_heuristics.pnml")
    os.remove("ru_inductive.ptml")
    os.remove("ru_alpha.png")
    os.remove("ru_inductive.png")
    os.remove("ru_heuristics.png")
    os.remove("ru_inductive_tree.png")
    os.remove("ru_heunet.png")
    os.remove("ru_dfg.png")