graph_renderer.py 文件源码

python
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项目:Lyra 作者: caterinaurban 项目源码 文件源码
def render(self, data, label=None, filename="Graph", directory="graphs", view=True):
        """Graphviz rendering."""

        # create the Graphviz graph
        graph_attr = self.graph_attr.copy()
        if label is not None:
            graph_attr['label'] = self._escape_label(label)
        graph = gv.Digraph(graph_attr=graph_attr, node_attr=self.node_attr, edge_attr=self.edge_attr)

        # draw nodes and edges of the Graphviz graph
        self._graph = graph
        self._rendered = set()
        self._render(data)
        self._graph = None
        self._rendered = None

        # display the Graphviz graph
        graph.format = "pdf"
        graph.render(f"{filename}.gv", directory, view, cleanup=True)
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