build.py 文件源码

def save_dependency(self, to_file):
        dot = graphviz.Digraph(comment='Docker Images Dependency')
        dot.body.extend(['rankdir=LR'])
        for image in self.images:
            if image['status'] not in ['matched']:
                continue
            dot.node(image['name'])
            if image['parent'] is not None:
                dot.edge(image['parent']['name'], image['name'])

        with open(to_file, 'w') as f:
            f.write(dot.source)