Source code for pm4py.visualization.common.dot_util

'''
    PM4Py – A Process Mining Library for Python
Copyright (C) 2024 Process Intelligence Solutions UG (haftungsbeschränkt)

This program is free software: you can redistribute it and/or modify
it under the terms of the GNU Affero General Public License as
published by the Free Software Foundation, either version 3 of the
License, or any later version.

This program 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 Affero General Public License for more details.

You should have received a copy of the GNU Affero General Public License
along with this program.  If not, see this software project's root or
visit <https://www.gnu.org/licenses/>.

Website: https://processintelligence.solutions
Contact: info@processintelligence.solutions
'''



def check_dot_installed():
    """
    Check if Graphviz's dot is installed correctly in the system

    Returns
    -------
    boolean
        Boolean telling if Graphviz's dot is installed correctly
    """
    import subprocess

    try:
        val = subprocess.run(
            ["dot", "-V"], stdout=subprocess.DEVNULL, stderr=subprocess.DEVNULL
        )
        return val.returncode == 0
    except BaseException:
        return False