--- a/docutil/docsvg.py	Wed May 25 20:00:31 2022 +0200
+++ b/docutil/docsvg.py	Thu May 26 23:39:30 2022 +0200
@@ -27,7 +27,8 @@
 import wx
 import subprocess
 
-def get_inkscape_path():
+
+def _get_inkscape_path():
     """ Return the Inkscape binary path """
 
     if wx.Platform == '__WXMSW__':
@@ -55,6 +56,36 @@
         except subprocess.CalledProcessError:
             return None
 
+_inkscape_path = None
+def get_inkscape_path():
+    """ Return the Inkscape binary path """
+
+    global _inkscape_path
+
+    if _inkscape_path is not None:
+        return _inkscape_path
+
+    _inkscape_path = _get_inkscape_path()
+    return _inkscape_path
+
+
+def _get_inkscape_version():
+    inkpath = get_inkscape_path()
+    if inkpath is None:
+        return None
+    return map(int, 
+        subprocess.check_output([inkpath,"--version"]).split()[1].split('.'))
+
+_inkscape_version = None
+def get_inkscape_version():
+    global _inkscape_version
+
+    if _inkscape_version is not None:
+        return _inkscape_version
+
+    _inkscape_version = _get_inkscape_version()
+    return _inkscape_version
+
 def open_svg(svgfile):
     """ Generic function to open SVG file """