Moved DXF export scripts to separate directory.

1 files changed, 95 insertions, 0 deletions

diff --git a/support/dxf_export/__main__.py b/support/dxf_export/__main__.py
new file mode 100644
index 0000000..ea6c7ad
--- /dev/null
+++ b/support/dxf_export/__main__.py
@@ -0,0 +1,95 @@
+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:])