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Solve the following problem using Python, implementing the functions described below, one line at a time
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Description:
 def handleArgs(self, event):
 """Nose2 hook for the handling the command line args"""

        # settings resolution order:
        # command line > cfg file > environ
        if self.djsettings:
            os.environ['DJANGO_SETTINGS_MODULE'] = self.djsettings
        if self.djconfig:
            os.environ['DJANGO_CONFIGURATION'] = self.djconfig
        # test for django-configurations package
        try:
            from configurations import importer
            importer.install()
        except ImportError:
            pass
        from django.conf import settings

        try:
            from south.management.commands import patch_for_test_db_setup
            patch_for_test_db_setup()
        except ImportError:
            pass