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import sys, os, xml.etree.ElementTree, subprocess, tempfile, contextlib, shutil
import better_dxf_outlines
@contextlib.contextmanager
def TemporaryDirectory():
dir = tempfile.mkdtemp()
try:
yield dir
finally:
shutil.rmtree(dir)
def _export_dxf(in_path, out_path):
dxf_export = better_dxf_outlines.MyEffect()
dxf_export.affect(args = [in_path], output = False)
with open(out_path, 'w') as file:
file.write(dxf_export.dxf)
def _get_inkscape_layer_count(svg_path):
document = xml.etree.ElementTree.parse(svg_path)
layers = document.findall(
'{http://www.w3.org/2000/svg}g[@{http://www.inkscape.org/namespaces/inkscape}groupmode="layer"]')
return len(layers)
def _command(args):
process = subprocess.Popen(args)
process.wait()
assert not process.returncode
def _inkscape(svg_path, verbs):
def iter_args():
yield os.environ['INKSCAPE']
for i in verbs:
yield '--verb'
yield i
yield svg_path
_command(list(iter_args()))
def _unfuck_svg_document(temp_svg_path):
"""
Unfucks an SVG document so is can be processed by the better_dxf_export plugin.
"""
layers_count = _get_inkscape_layer_count(temp_svg_path)
def iter_inkscape_verbs():
yield 'LayerUnlockAll'
yield 'LayerShowAll'
# Go to the first layer
for _ in range(layers_count):
yield 'LayerPrev'
for _ in range(layers_count):
yield 'EditSelectAll'
yield 'ObjectToPath'
yield 'EditSelectAll'
yield 'SelectionUnGroup'
yield 'EditSelectAll'
yield 'StrokeToPath'
yield 'EditSelectAll'
yield 'SelectionUnion'
yield 'LayerNext'
yield 'FileSave'
yield 'FileClose'
yield 'FileQuit'
_inkscape(temp_svg_path, list(iter_inkscape_verbs()))
def main(in_path, out_path):
with TemporaryDirectory() as temp_dir:
temp_svg_path = os.path.join(temp_dir, 'temp.svg')
shutil.copyfile(in_path, temp_svg_path)
_unfuck_svg_document(temp_svg_path)
_export_dxf(temp_svg_path, out_path)
main(*sys.argv[1:])
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