From 14f078c8217450317b4824cb450b336ba6590011 Mon Sep 17 00:00:00 2001
From: Michael Schwarz <michi.schwarz@gmail.com>
Date: Wed, 5 Aug 2015 13:57:53 +0200
Subject: Inkscape export: Renamed module to inkscape.

This module will later be used for other export types than just DXF.
---
 support/inkscape/__main__.py | 122 +++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 122 insertions(+)
 create mode 100644 support/inkscape/__main__.py

(limited to 'support/inkscape/__main__.py')

diff --git a/support/inkscape/__main__.py b/support/inkscape/__main__.py
new file mode 100644
index 0000000..3052e6f
--- /dev/null
+++ b/support/inkscape/__main__.py
@@ -0,0 +1,122 @@
+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)
-- 
cgit