"AttributeError: 'NoneType' object has no attribute 'attrib'" when using "res_band" in custom footprint

[dhaillant]

I'm creating a set of custom footprints for PcbDraw.
And lately, I tried to add the res_band feature for the axial resistors, with no luck.

Once I add a rectangle named res_band1, pcbdraw crashes with this message:

Traceback (most recent call last):
File "/home/david/.local/bin/pcbdraw", line 8, in
sys.exit(run())
File "/home/david/.local/lib/python3.8/site-packages/click/core.py", line 1128, in call
return self.main(*args, **kwargs)
File "/home/david/.local/lib/python3.8/site-packages/click/core.py", line 1053, in main
rv = self.invoke(ctx)
File "/home/david/.local/lib/python3.8/site-packages/click/core.py", line 1659, in invoke
return _process_result(sub_ctx.command.invoke(sub_ctx))
File "/home/david/.local/lib/python3.8/site-packages/click/core.py", line 1395, in invoke
return ctx.invoke(self.callback, **ctx.params)
File "/home/david/.local/lib/python3.8/site-packages/click/core.py", line 754, in invoke
return __callback(*args, **kwargs)
File "/home/david/.local/lib/python3.8/site-packages/pcbdraw/populate.py", line 300, in populate
parsed_content = generate_images(parsed_content, board, prepare_params(header["params"]),
File "/home/david/.local/lib/python3.8/site-packages/pcbdraw/populate.py", line 193, in generate_images
generate_image(boardfilename, x["side"], x["components"],
File "/home/david/.local/lib/python3.8/site-packages/pcbdraw/populate.py", line 212, in generate_image
plot.main(args=plot_args)
File "/home/david/.local/lib/python3.8/site-packages/click/core.py", line 1053, in main
rv = self.invoke(ctx)
File "/home/david/.local/lib/python3.8/site-packages/click/core.py", line 1395, in invoke
return ctx.invoke(self.callback, **ctx.params)
File "/home/david/.local/lib/python3.8/site-packages/click/core.py", line 754, in invoke
return __callback(*args, **kwargs)
File "/home/david/.local/lib/python3.8/site-packages/pcbdraw/ui.py", line 174, in plot
image = plotter.plot()
File "/home/david/.local/lib/python3.8/site-packages/pcbdraw/plot.py", line 1053, in plot
plotter.render(self)
File "/home/david/.local/lib/python3.8/site-packages/pcbdraw/plot.py", line 812, in render
plotter.walk_components(invert_side=False, callback=self._append_component)
File "/home/david/.local/lib/python3.8/site-packages/pcbdraw/plot.py", line 1084, in walk_components
callback(lib, name, ref, value, pos)
File "/home/david/.local/lib/python3.8/site-packages/pcbdraw/plot.py", line 840, in _append_component
ret = self._create_component(lib, name, ref, value)
File "/home/david/.local/lib/python3.8/site-packages/pcbdraw/plot.py", line 890, in _create_component
self._apply_resistor_code(component_element, id_prefix, ref, value)
File "/home/david/.local/lib/python3.8/site-packages/pcbdraw/plot.py", line 928, in _apply_resistor_code
s = band.attrib["style"].split(";")
AttributeError: 'NoneType' object has no attribute 'attrib'

The rectangle is copied/pasted from one of the resistors in pcbdraw-lib.

Inkscape is V1.2 (1:1.2.1+202207142221+cd75a1ee6d)

Is there any setting, configuration that must be applied to the svg for the res_band feature to be recognized?

Thanks!

[dhaillant]

BTW, this is with populate command.

[Electro707]

Did you add the other res_bands (from 1 to 4)? This could be because it is crashing when it is trying to find the other bands after it finds the first one

[dhaillant]

Indeed, it looks like in my first attempt, somehow the script couldn't find one or more of the 3 next bands.

So I copy/pasted the 4 bands at once from a resistor in the official lib to my custom lib and now it works.
As @Electro707 suggested, if I remove just one of the 3 bands (not the #1), it rises this error.

I think I understand what happened: In my first attempt, I copy/pasted only one band and renamed it. This was clearly not the right method.

Thanks!