commit 577150bec8e1f86f1ee635bc452da844b12f0d24
Author: Hèctor Alòs i Font <hectoralos@gmail.com>
Date:   Wed May 8 07:00:04 2019 +0300

    variants pt

diff --git a/genvldix.py b/genvldix.py
new file mode 100644
index 0000000..257b42b
--- /dev/null
+++ b/genvldix.py
@@ -0,0 +1,66 @@
+from xml.sax import handler, saxutils, make_parser
+import sys
+
+vl_other = "other"
+
+alternative = sys.argv[1]
+dixfile     = sys.argv[2]
+
+if alternative == "other":
+  vl_other = vl_other[::-1] # reverse string
+
+def printAttrs(attrsmap):
+  if len(attrsmap) == 0:
+    return ""
+  output = []
+  for (i,j) in attrsmap.items():
+    output.append(i)
+    output.append("=\"")
+    output.append(saxutils.escape(j))
+    output.append("\" ")
+  
+  return " " + "".join(output).strip()    
+
+class DixHandler(handler.ContentHandler):
+  def __init__(self, out = sys.stdout):
+    handler.ContentHandler.__init__(self)
+    self._out = out
+    self._buf = []
+    
+  def flush(self):
+    for i in self._buf:
+      self._out.write(i.encode("utf-8"))
+    self._buf = []
+    
+        
+  def startElement(self, name, attrs):
+    if name == "e" and "vl" in attrs:
+      attrs2 = {i:j for (i,j) in attrs.items() if i != "vl"}
+      vals = attrs["vl"].split()
+      if alternative in vals:
+        attrs2["vl"] = alternative
+      else:
+        attrs2["vl"] = vl_other
+      attrs = attrs2
+    self._buf.append("<" + name + printAttrs(attrs) + ">")
+    
+  def endElement(self, name):
+    if len(self._buf) > 0 and self._buf[-1][0:1] == "<" and self._buf[-1][-1:] == ">" and self._buf[-1][1:2] != "/":
+      self._buf[-1] = self._buf[-1][0:-1]+"/>"
+      self.flush()
+    else:
+      self.flush()
+      self._out.write("</")
+      self._out.write(name)
+      self._out.write(">")
+  
+  def characters(self, content):
+    self.flush()
+    self._out.write(saxutils.escape(content).encode("utf-8"))
+        
+parser = make_parser()
+parser.setContentHandler(DixHandler())
+
+with open(dixfile, "r") as f:
+  parser.parse(f)
+