Thanks for pointing out the bug; I have fixed it git. Best, Tiago
Am 31.10.20 um 12:56 schrieb Snehal Shekatkar: > Hello Tiago, > > I could create the merge request successfully. Thanks so much. > > Regards, > Snehal Shekatkar > > > ‐‐‐‐‐‐‐ Original Message ‐‐‐‐‐‐‐ > On Saturday, October 31, 2020 4:56 PM, Snehal Shekatkar > <snehalshekat...@protonmail.com <mailto:snehalshekat...@protonmail.com>> > wrote: > >> Hello Tiago, >> >> It looks like the commit "e3c57b270640f9948d7fda7459376eb40d600719" >> has introduced a bug in the cairo_draw that I have fixed on my machine >> but I would like to create a merge request for the same. In short the >> following code throws the error: >> >> import graph_tool.all as gt >> g = gt.collection.data['karate'] >> gt.graph_draw(g, vertex_pen_width=5, vertex_color = 'k', >> output='test.png') >> >> The error is: >> >> Traceback (most recent call last): >> File "/usr/lib/python3/dist-packages/graph_tool/draw/cairo_draw.py", >> line 1145, in graph_draw >> x, y, w, h = fit_view >> TypeError: cannot unpack non-iterable bool object >> >> During handling of the above exception, another exception occurred: >> >> Traceback (most recent call last): >> File "test.py", line 4, in <module> >> gt.graph_draw(g, vertex_pen_width=1, output='test.png') >> File "/usr/lib/python3/dist-packages/graph_tool/draw/cairo_draw.py", >> line 1153, in graph_draw >> x, y, zoom = fit_to_view_ink(g, pos, output_size, vprops, >> File "/usr/lib/python3/dist-packages/graph_tool/draw/cairo_draw.py", >> line 1345, in fit_to_view_ink >> eprops = dict(eprops, pen_width=min_lw(eprops.get("pen_width"))) >> File "/usr/lib/python3/dist-packages/graph_tool/draw/cairo_draw.py", >> line 1342, in min_lw >> lw = max(lw, 0.1) >> TypeError: '>' not supported between instances of 'float' and 'NoneType' >> >> I tracked the error and it looks to me that in the function ``min_lw`` >> which itself is inside ``fit_to_view_ink``, if user passes >> ``pen_width`` only for edges or only for vertices, the other becomes >> ``None`` and should be handled properly. I could fix this by adding an >> extra ``if`` condition as follows: >> >> # work around cairo bug with small line widths >> def min_lw(lw): >> if isinstance(lw, PropertyMap): >> lw = lw.copy() >> x = lw.fa >> x[x < 0.05] = 0.1 >> lw.fa = x >> else: >> if lw == None: >> lw = 0.1 >> lw = max(lw, 0.1) >> return lw >> >> I would like to push this change upstream, but you seem to have denied >> my access request so I can't create a merge request. If you think this >> is fine, could you make the change? In general, how do I fix bugs >> if/when I find them if access on git.skewed is not available? >> >> Thanks and regards, >> Snehal Shekatkar >> >> >> >> > > > _______________________________________________ > graph-tool mailing list > graph-tool@skewed.de > https://lists.skewed.de/mailman/listinfo/graph-tool > -- Tiago de Paula Peixoto <ti...@skewed.de>
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