Hackish way to make scriptsboxes to work with Inkscape.

boxes/__init__.py

@@ -22,6 +22,7 @@ except ImportError:
     pass
 import cairo
 import math
+import sys
 import argparse
 from argparse import ArgumentParser
 import re
@@ -30,6 +31,7 @@ from xml.sax.saxutils import quoteattr
 
 from boxes import edges
 from boxes import formats
+from boxes import svgutil
 from boxes import gears
 from boxes import pulley
 from boxes import parts
@@ -215,6 +217,7 @@ class Boxes:
         self.formats = formats.Formats()
         self.argparser = ArgumentParser(description=self.__doc__)
         self.edgesettings = {}
+        self.inkscapefile = None
         self.argparser._action_groups[1].title = self.__class__.__name__ + " Settings"
 
         defaultgroup = self.argparser.add_argument_group(
@@ -330,6 +333,11 @@ class Boxes:
         :param args:  (Default value = None) parameters, None for using sys.argv
 
         """
+        args = args or sys.argv
+        if args[-1][0] != "-":
+            self.inkscapefile = args[-1]
+            del args[-1]
+        args = [a for a in args if not a.startswith('--tab=')]
         for key, value in vars(self.argparser.parse_args(args=args)).items():
             # treat edge settings separately 
             for setting in self.edgesettings:
@@ -497,6 +505,8 @@ class Boxes:
         self.surface.finish()
 
         self.formats.convert(self.output, self.format)
+        if self.inkscapefile:
+            svgutil.svgMerge(self.output, self.inkscapefile, sys.stdout)
 
     ############################################################
     ### Turtle graphics commands

scripts/boxes

@@ -1,5 +1,6 @@
 #!/usr/bin/env python3
 
+from __future__ import print_function
 import argparse
 import os
 import sys
@@ -26,9 +27,15 @@ def main():
     del modules['_template']
     if len(sys.argv) == 1:
         printusage()
-    elif sys.argv[1] in modules:
+    elif (sys.argv[1] in modules or
+          (sys.argv[1].startswith("--generator=") and
+           sys.argv[1][12:] in modules)):
+        if sys.argv[1].startswith("--generator="):
+            sys.argv[1] = sys.argv[1][12:]
         name = sys.argv[1]
         sys.argv[0] = "%s %s" % (sys.argv[0], sys.argv[1])
+        sys.argv[1] = '--tab="0"'
+        del sys.argv[0]
         del sys.argv[1]
         modules[name].main()
     elif sys.argv[1] == '--list':