IfcOpenShell/src/ifcopenshell-python/ifcopenshell/api/sequence/unassign_sequence.py

import ifcopenshell
import ifcopenshell.api


class Usecase:
    def __init__(self, file, **settings):
        self.file = file
        self.settings = {
            "relating_process": None,
            "related_process": None,
        }
        for key, value in settings.items():
            self.settings[key] = value

    def execute(self):
        for rel in self.settings["related_process"].IsSuccessorFrom or []:
            if rel.RelatingProcess == self.settings["relating_process"]:
                self.file.remove(rel)
        ifcopenshell.api.run("sequence.cascade_schedule", self.file, task=self.settings["related_process"])