opusonesolutions / asciigraf Goto Github PK

Is it possible to use this library to generate ASCII graphs from a NetworkX graph object?

Once travis-ci/travis-ci#9815 is resolved, we can use TravisCI to test against python3.7.

I tried the work-around mentioned in the comments but it didn't seem to run tests for 3.7

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Currently, asciigraf returns a networkx graph datastructure where every node has a position relative to the top-left corner of the string in which the network is drawn. It would be great if the graph also came with a length on each edge which indicated the number of characters in the edge. For example:

asciigraf.graph_from_ascii("""
            (13)           (10)
        n0-------------n1----------n2
                       |
                       |  (3)
                       |
                       n4
""").nodes(data=True)
>>> [('n0', {'position': Point(3, 8)}),
        ('n1', {'position': Point(3, 23)}),
        ('n2', {'position': Point(3, 35)}),
        ('n4', {'position': Point(7, 24)})]

If we did this, you could do something like

asciigraf.graph_from_ascii("""
            (13)           (10)
        n0-------------n1----------n2
                       |
                       |  (3)
                       |
                       n4
""").edges(data=True)
>>> [('n0', 'n1', {'length': 13}),
        ('n1', 'n2', {'length': 10}),
        ('n1', 'n4', {'length': 3})]

It would be valuable to be able to mark an edge with a modifier. E.G. in the below graph, the edge (n2, n3) has an arrow modifier which could be used to make a directed graph, or to modify the significance of the edge in some other way.

     n1---------n2
                ^
                |
                n3

We already support edge labels such as n1---(label_1)---n2 but this change would allow the user to have modifiers and labels on the same edge

``n1<---(edge_3)--->n2`