fix missing elements

inkscape_uprint.py

@@ -159,15 +159,35 @@ class InkscapeUprint(inkex.Effect):
                 l.extend(self.svg_traverse_node(child))
         return l
 
+    def draw_tick(self, page, pos, length, direction, parent):
+        x1,y1 = pos 
+        x2,y2 = pos * direction
+
+        line_style   = { 'stroke': '#000000',
+                         'stroke-width': '0.2',
+                         'fill': 'none'
+                       }
+
+        line_attribs = {'style' : str(inkex.Style(line_style)),
+                        inkex.addNS('label','inkscape') : "none",
+                        'd' : 'M '+str(x1) +',' +
+                        str(y1) +' L '+str(x2)
+                        +','+str(y2) }
+
+        line = etree.SubElement(parent, inkex.addNS('path','svg'), line_attribs )
+        return line
+
     def replace_text(self, selected, substs):
         import re
         for node in selected:
             tspans = [ n for n in self.svg_traverse_node(node, tag='tspan')]
             for k,v in substs.items():
-                patt = re.compile(r'\{\{' + re.escape(k) + r'\}\}')
+                if k is None:
+                    continue
+                patt = re.compile(r'\{\{' + re.escape(str(k)) + r'\}\}')
                 for t in tspans:
                     if t.text is None: continue
-                    t.text = patt.sub(v, t.text)
+                    t.text = patt.sub(str(v), t.text)
                     # multilines = t.text.split('\n')
                     # if len(multilines) > 1:
                     #     t.text = multilines[0]
@@ -313,4 +333,3 @@ class InkscapeUprint(inkex.Effect):
 if __name__ == '__main__':
     e = InkscapeUprint()
     e.run()
-