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import sys, os, xml.etree.ElementTree, shutil
from lib import util
from . import effect
def _export_dxf(in_path, out_path, layers):
dxf_effect = effect.ExportEffect(layers)
dxf_effect.affect(args = [in_path], output = False)
with open(out_path, 'w') as file:
dxf_effect.write_dxf(file)
def _get_inkscape_layers(svg_path):
document = xml.etree.ElementTree.parse(svg_path)
def iter_layers():
nodes = document.findall(
'{http://www.w3.org/2000/svg}g[@{http://www.inkscape.org/namespaces/inkscape}groupmode="layer"]')
for i in nodes:
inkscape_name = i.get('{http://www.inkscape.org/namespaces/inkscape}label').strip()
if inkscape_name.endswith(']'):
dxf_name, args = inkscape_name[:-1].rsplit('[', 1)
dxf_name = dxf_name.strip()
args = args.strip()
use_paths = 'p' in args
else:
use_paths = False
dxf_name = inkscape_name
yield effect.Layer(inkscape_name, dxf_name, use_paths = use_paths)
return list(iter_layers())
def _inkscape(svg_path, verbs):
def iter_args():
yield os.environ['INKSCAPE']
for i in verbs:
yield '--verb'
yield i
yield svg_path
util.command(list(iter_args()))
def _unfuck_svg_document(temp_svg_path, layers):
"""
Unfucks an SVG document so is can be processed by the better_dxf_export plugin (or what's left of it).
"""
def iter_inkscape_verbs():
yield 'LayerUnlockAll'
yield 'LayerShowAll'
# Go to the first layer.
for _ in layers:
yield 'LayerPrev'
# Copy each layer and flatten it to a single path object.
for i in layers:
yield 'LayerDuplicate'
yield 'EditSelectAll'
yield 'ObjectToPath'
yield 'EditSelectAll'
yield 'SelectionUnGroup'
if not i.use_paths:
yield 'EditSelectAll'
yield 'StrokeToPath'
yield 'EditSelectAll'
yield 'SelectionUnion'
yield 'LayerNext'
# Go to the first layer again.
for _ in range(2 * len(layers)):
yield 'LayerPrev'
# Move the flattened shapes to the original layers.
for _ in layers:
yield 'EditSelectAll'
yield 'EditDelete'
yield 'LayerNext'
yield 'EditSelectAll'
yield 'LayerMoveToPrev'
yield 'LayerNext'
yield 'LayerDelete'
yield 'FileSave'
yield 'FileClose'
yield 'FileQuit'
_inkscape(temp_svg_path, list(iter_inkscape_verbs()))
def main(in_path, out_path):
with util.TemporaryDirectory() as temp_dir:
temp_svg_path = os.path.join(temp_dir, 'temp.svg')
shutil.copyfile(in_path, temp_svg_path)
layers = _get_inkscape_layers(temp_svg_path)
_unfuck_svg_document(temp_svg_path, layers)
_export_dxf(temp_svg_path, out_path, layers)
try:
main(*sys.argv[1:])
except util.UserError as e:
print 'Error:', e
sys.exit(1)
except KeyboardInterrupt:
sys.exit(2)
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