Add boxes_proxy.py from the MightyScape project

https://gitea.fablabchemnitz.de/FabLab_Chemnitz/mightyscape-1.X

to make the Inkscape installation from the repostory work again.

MANIFEST.in

@@ -3,4 +3,4 @@ include examples/*.svg
 include documentation/presentation.odp
 include inkex/*.txt
 include po/*
-include scripts/boxes2pot scripts/boxes2inkscape
+include scripts/boxes2pot scripts/boxes2inkscape scripts/boxes_proxy.py

scripts/boxes_proxy.py

@@ -0,0 +1,77 @@
+#!/usr/bin/env python3
+
+"""
+Extension for InkScape 1.0+
+
+boxes.py wrapper script to make it work on Windows and Linux systems without duplicating .inx files
+
+Author: Mario Voigt / FabLab Chemnitz
+Mail: mario.voigt@stadtfabrikanten.org
+Date: 27.04.2021
+Last patch: 27.04.2021
+License: GNU GPL v3
+
+"""
+import inkex
+import sys
+import os
+from lxml import etree
+
+class boxesPyWrapper(inkex.GenerateExtension):
+
+    def add_arguments(self, pars):
+        args = sys.argv[1:] 
+        for arg in args:
+            key=arg.split("=")[0]
+            if len(arg.split("=")) == 2:
+                value=arg.split("=")[1]
+                try:
+                    pars.add_argument(key, default=key)
+                except:
+                    pass #ignore duplicate id arg
+
+    def generate(self):
+        box_file = "box.svg"
+        if os.path.exists(box_file):
+            os.remove(box_file) #remove previously generated box file at the beginning
+
+        cmd = "boxes" #boxes.exe in this local dir (or if present in %PATH%), or boxes from $PATH in linux        
+        for arg in vars(self.options):
+            if arg != "output" and arg != "ids" and arg != "selected_nodes":
+                #inkex.utils.debug(str(arg) + " = " + str(getattr(self.options, arg)))
+                #fix behaviour of "original" arg which does not correctly gets interpreted if set to false
+                if arg == "original" and str(getattr(self.options, arg)) == "false":
+                    continue
+                if arg in ("input_file", "tab"):
+                    continue
+                else:
+                    cmd += " --" + arg + " " + str(getattr(self.options, arg))
+        cmd += " --output " + box_file + " " + box_file #we need to add box_file string twice in a row. Otherwise program executable throws an error
+        cmd = cmd.replace("boxes --generator", "boxes")
+        
+        # run boxes with the parameters provided
+        with os.popen(cmd, "r") as boxes:
+            result = boxes.read()
+        
+        # check output existence
+        try:
+            stream = open(box_file, 'r')
+        except FileNotFoundError as e:
+            inkex.utils.debug("There was no " + box_file + " output generated. Cannot continue. Command was:")
+            inkex.utils.debug(str(cmd))
+            exit(1)
+            
+        # write the generated SVG into Inkscape's canvas
+        p = etree.XMLParser(huge_tree=True)
+        doc = etree.parse(stream, parser=etree.XMLParser(huge_tree=True))
+        stream.close()
+        if os.path.exists(box_file):
+            os.remove(box_file) #remove previously generated box file at the end too      
+            
+        group = inkex.Group(id="boxes.py")
+        for element in doc.getroot():
+            group.append(element)
+        return group
+        
+if __name__ == '__main__':
+    boxesPyWrapper().run()

setup.py

@@ -66,7 +66,7 @@ class CustomBuildExtCommand(build_py):
                 self.distribution.data_files.append(
                     (path,
                      [i for i in glob.glob(os.path.join("inkex", "*.inx"))]))
-                self.distribution.data_files.append((path, ['scripts/boxes']))
+                self.distribution.data_files.append((path, ['scripts/boxes_proxy.py']))
             except CalledProcessError:
                 pass # Inkscape is not installed