class Py3status:

    force = False

    class Meta:
        container = True

    def __init__(self):
        self.items = []

    def colorize(self):
        output = []
        for item in self.items:
            out = self.py3.get_output(item)
            if out and 'separator' not in out[-1]:
                out[-1]['separator'] = True
            for o in out:
                if self.force or not o.get('color'):
                    o['color'] = self.color
            output += out

        return {'composite': output}