'''
This file is part of PM4Py (More Info: https://pm4py.fit.fraunhofer.de).
PM4Py is free software: you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation, either version 3 of the License, or
(at your option) any later version.
PM4Py is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with PM4Py. If not, see <https://www.gnu.org/licenses/>.
'''
from typing import Optional
from pm4py.objects.log.obj import EventLog, Trace
[docs]def detect(log: EventLog, start_activities, act_key: str) -> Optional[EventLog]:
proj = EventLog()
for t in log:
x = 0
for i in range(1, len(t)):
if t[i][act_key] in start_activities:
proj.append(Trace(t[x:i]))
x = i
proj.append(Trace(t[x:len(t)]))
return proj if len(proj) > len(log) else None