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mbr/broken.svg

Created April 29, 2013 11:24
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mbr commented Apr 29, 2013

This will break with cairosvg 0.5 with the following error:

Traceback (most recent call last):
  File "/home/marc/.virtualenvs/svglue/bin/cairosvg", line 25, in <module>
    cairosvg.main()
  File "/home/marc/.virtualenvs/svglue/lib/python2.7/site-packages/cairosvg/__init__.py", line 92, in main
    SURFACES[output_format.upper()].convert(**kwargs)
  File "/home/marc/.virtualenvs/svglue/lib/python2.7/site-packages/cairosvg/surface/__init__.py", line 79, in convert
    cls(tree, output, dpi).finish()
  File "/home/marc/.virtualenvs/svglue/lib/python2.7/site-packages/cairosvg/surface/__init__.py", line 128, in __init__
    self.draw_root(tree)
  File "/home/marc/.virtualenvs/svglue/lib/python2.7/site-packages/cairosvg/surface/__init__.py", line 353, in draw_root
    self.draw(node)
  File "/home/marc/.virtualenvs/svglue/lib/python2.7/site-packages/cairosvg/surface/__init__.py", line 315, in draw
    self.draw(child, stroke_and_fill)
  File "/home/marc/.virtualenvs/svglue/lib/python2.7/site-packages/cairosvg/surface/__init__.py", line 327, in draw
    self.context.paint_with_alpha(opacity)
cairo.Error: Context.pop_group without matching Context.push_group

The issue seems to be with the nested tspan elements. Removing the inner causes it to work correctly.

The image is valid SVG: http://validator.w3.org/check?uri=https%3A%2F%2Fgist.github.com%2Fmbr%2F5481042%2Fraw%2F06f0c1d802081f47a60dcddf4b78c90d77524096%2Fbroken.svg&charset=%28detect+automatically%29&doctype=Inline&group=0

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