Source code for pm4py.algo.discovery.inductive.variants.im_clean.fall_throughs.activity_once_per_trace

'''
    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 Dict, Optional, List

import pm4py
from pm4py.objects.log.obj import EventLog


[docs]def detect(log: EventLog, alphabet: Dict[str, int], act_key: str) -> Optional[str]: candidates = set(alphabet.keys()) for t in log: tr = list(map(lambda e: e[act_key], t)) cc = [x for x in candidates] for candi in cc: if len(list(filter(lambda e: e == candi, tr))) != 1: candidates.remove(candi) if len(candidates) == 0: return None return next(iter(candidates))
[docs]def project(log: EventLog, activity: str, activity_key: str) -> List[EventLog]: proj = EventLog() for t in log: proj.append(pm4py.filter_trace(lambda e: e[activity_key] != activity, t)) return [proj]