def test_simple_execution_receipt(self):
self.dummy = "dummy"
log = xes_importer.apply(os.path.join(INPUT_DATA_DIR, "receipt.xes"))
output_dictionary = simple_model_factory.apply(log)
net, initial_marking, final_marking = simple_model_factory.apply(
log, classic_output=True)
del output_dictionary
del net
del initial_marking
del final_marking
def transient_analysis_from_dataframe(df, delay, parameters=None):
"""
Gets the transient analysis from a dataframe and a delay
Parameters
-------------
df
Pandas dataframe
delay
Time delay
parameters
Parameters of the algorithm
Returns
-------------
transient_result
Transient analysis result
"""
if parameters is None:
parameters = {}
activity_key = parameters[
constants.
PARAMETER_CONSTANT_ACTIVITY_KEY] if constants.PARAMETER_CONSTANT_ACTIVITY_KEY in parameters else xes.DEFAULT_NAME_KEY
case_id_glue = parameters[
constants.
PARAMETER_CONSTANT_CASEID_KEY] if constants.PARAMETER_CONSTANT_CASEID_KEY in parameters else CASE_CONCEPT_NAME
timestamp_key = parameters[
constants.
PARAMETER_CONSTANT_TIMESTAMP_KEY] if constants.PARAMETER_CONSTANT_TIMESTAMP_KEY in parameters else xes.DEFAULT_TIMESTAMP_KEY
log = log_conv_factory.apply(df,
variant=log_conv_factory.DF_TO_EVENT_LOG_1V,
parameters=parameters)
# gets the simple Petri net through simple miner
net, im, fm = simple_factory.apply(log,
parameters=parameters,
classic_output=True)
activities_count = dict(df.groupby(activity_key).size())
dfg_performance = df_statistics.get_dfg_graph(df,
measure="performance",
perf_aggregation_key="mean",
case_id_glue=case_id_glue,
activity_key=activity_key,
timestamp_key=timestamp_key)
spaths = get_shortest_paths(net)
aggregated_statistics = get_decorations_from_dfg_spaths_acticount(
net, dfg_performance, spaths, activities_count, variant="performance")
# gets the stochastic map out of the dataframe and the Petri net
s_map = smap_builder.get_map_exponential_from_aggstatistics(
aggregated_statistics, parameters=parameters)
return transient_analysis_from_petri_net_and_smap(net,
im,
s_map,
delay,
parameters=parameters)
def execute_script():
log_name = os.path.join("..", "tests", "input_data", "running-example.xes")
log = xes_importer.apply(log_name, variant="nonstandard")
print("imported log")
# obtain a simple, sound workflow net, containing only visibile unique transitions,
# applying the Alpha Miner to some of the top variants (methods by Ale)
activity_key = "concept:name"
parameters = {PARAMETER_CONSTANT_ACTIVITY_KEY: activity_key, PARAMETER_CONSTANT_ATTRIBUTE_KEY: activity_key}
net, initial_marking, final_marking = simple_extraction_factory.apply(log, classic_output=True,
parameters=parameters)
print("obtained model")
# visualize the output Petri net
gviz = pn_vis_factory.apply(net, initial_marking, final_marking)
del gviz
# pn_vis_factory.view(gviz)
# gets the average time between cases starts
avg_time_starts = get_case_arrival_avg(log)
print("avg_time_starts real=", avg_time_starts)
# gets the stochastic distribution associated to the Petri net and the log
smap = stochastic_map.get_map_from_log_and_net(log, net, initial_marking, final_marking,
force_distribution="EXPONENTIAL")
print("smap=", smap)
perf_bound_obj = LpPerfBounds(net, initial_marking, final_marking, smap, avg_time_starts)
net1, imarking1, fmarking1 = perf_bound_obj.get_net()
gviz = pn_vis_factory.apply(net1, imarking1, fmarking1)
for var in perf_bound_obj.var_corr:
corr = perf_bound_obj.var_corr[var]
minimum = perf_bound_obj.solve_problem(var, maximize=False)
maximum = perf_bound_obj.solve_problem(var, maximize=True)
print(var, minimum[corr], maximum[corr])
def transient_analysis_from_log(log, delay, parameters=None):
"""
Gets the transient analysis from a log and a delay
Parameters
-------------
log
Event log
delay
Time delay
parameters
Parameters of the algorithm
Returns
-------------
transient_result
Transient analysis result
"""
if parameters is None:
parameters = {}
# gets the simple Petri net through simple miner
net, im, fm = simple_factory.apply(log, parameters=parameters, classic_output=True)
# gets the stochastic map out of the log and the Petri net
s_map = smap_builder.get_map_from_log_and_net(log, net, im, fm, parameters=parameters,
force_distribution="EXPONENTIAL")
return transient_analysis_from_petri_net_and_smap(net, im, s_map, delay, parameters=parameters)
def execute_script():
# loads the log
log = xes_importer.apply(
os.path.join("..", "tests", "input_data", "receipt.xes"))
# apply the simple miner
net, im, fm = simple_miner.apply(log, classic_output=True)
# checks if the Petri net is a sound workflow net
is_sound_wfnet = check_petri_wfnet_and_soundness(net)
print("is_sound_wfnet = ", is_sound_wfnet)
def generate_simple_net(xes_log):
try:
simple_net, initial_marking, final_marking = simple_algorithm.apply(
xes_log, classic_output=True, parameters={"max_no_variants": 20})
return {
'simple_net': simple_net,
'initial_marking': initial_marking,
'final_marking': final_marking
}
except AttributeError:
print("Please check your input values")
def run_simple_miner(log,classic_output=True,parameters={"max_no_variants": 20}):
net, initial_marking, final_marking = simple_algorithm.apply(log, classic_output=classic_output, parameters=parameters)
#gviz = vis_petri.apply(net, initial_marking, final_marking)
#vis_petri.view(gviz)
return net, initial_marking, final_marking
from pm4py.algo.discovery.simple.model.log import factory as simple_model_factory
logFolder = os.path.join("..", "compressed_input_data")
pnmlFolder = "simple_pnml"
pngFolder = "simple_png"
for logName in os.listdir(logFolder):
if "." in logName:
logNamePrefix = logName.split(".")[0]
print("\nelaborating " + logName)
logPath = os.path.join(logFolder, logName)
log = xes_factory.import_log(logPath, variant="iterparse")
net, initial_marking, final_marking = simple_model_factory.apply(
log, classic_output=True)
pnml_exporter.export_net(net,
initial_marking,
os.path.join(pnmlFolder, logNamePrefix) +
".pnml",
final_marking=final_marking)
gviz = petri_vis_factory.apply(net,
initial_marking,
final_marking,
log=log,
variant="frequency")
petri_vis_factory.save(
gviz,