Source code for pm4py.objects.petri.common.initial_marking

'''
    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 pm4py.objects.petri.obj import Marking


[docs]def discover_initial_marking(petri): """ Discovers initial marking from a Petri net Parameters ------------ petri Petri net Returns ------------ initial_marking Initial marking of the Petri net """ initial_marking = Marking() for place in petri.places: if len(place.in_arcs) == 0: initial_marking[place] = 1 return initial_marking