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extensions/fablabchemnitz_cleangroups.inx

@@ -0,0 +1,14 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<inkscape-extension xmlns="http://www.inkscape.org/namespace/inkscape/extension">
+    <name>Remove Empty Groups</name>
+    <id>fablabchemnitz.de.cleangroups</id>
+    <effect needs-live-preview="false">
+        <object-type>path</object-type>
+        <effects-menu>
+            <submenu name="FabLab Chemnitz Dev"/>
+        </effects-menu>
+    </effect>
+    <script>
+        <command reldir="extensions" interpreter="python">fablabchemnitz_cleangroups.py</command>
+    </script>
+</inkscape-extension>

extensions/fablabchemnitz_cleangroups.py

@@ -0,0 +1,16 @@
+#!/usr/bin/env python3
+
+import inkex
+
+class CleanGroups(inkex.Effect):
+       
+    def __init__(self):
+        inkex.Effect.__init__(self)
+
+    def effect(self):
+        groups = self.document.xpath('//svg:g',namespaces=inkex.NSS)
+        for group in groups:
+            if len(group.getchildren()) == 0:
+                group.getparent().remove(group)
+    
+CleanGroups().run()