%cd -q ..
import graphviz
def make_graph(node_label=None, graph_name=None, **node_kwargs):
result = graphviz.Digraph(name=graph_name)
result.node('A', label=node_label, **node_kwargs)
print(result)
return result
make_graph(node_label='"')
digraph { A [label="\""] }
make_graph(node_label=r'\\')
digraph { A [label="\\"] }
make_graph(node_label=r'\\"')
digraph { A [label="\\\""] }
make_graph(node_label=r'node: \N')
digraph { A [label="node: \N"] }
make_graph(node_label=r'graph: \G', graph_name='spam')
digraph spam { A [label="graph: \G"] }
make_graph(node_label='spam', URL=r'https://example.org/\L')
digraph { A [label=spam URL="https://example.org/\L"] }
make_graph(node_label=r'centered\nleft\lright\r')
digraph { A [label="centered\nleft\lright\r"] }