def open_buffer(self, location=None, show_in_current_window=False):
        """
        Open/create a file, load it, and show it in a new buffer.
        """
        eb = self._get_or_create_editor_buffer(location)

        if show_in_current_window:
            self.show_editor_buffer(eb)
Open/create a file, load it, and show it in a new buffer.