def latinize(value):
 def replace_double_character(match):
  search = u'\u0398 \u03a7 \u03a8 \u03b8 \u03c7 \u03c8 \u039f\u03a5 \u0391\u03a5 \u0395\u03a5 \u039f\u03c5 \u0391\u03c5 \u0395\u03c5 \u03bf\u03c5 \u03b1\u03c5 \u03b5\u03c5'.split()
  replace = u'TH CH PS th ch ps OU AU EU Ou Au Eu ou au eu'.split()
  matched = match.group(0)
  if (matched in search):
   return replace[search.index(matched)]
  return matched
 search = u'\u0391\u0392\u0393\u0394\u0395\u0396\u0397\u0399\u039a\u039b\u039c\u039d\u039e\u039f\u03a0\u03a1\u03a3\u03a3\u03a4\u03a5\u03a6\u03a9\u03b1\u03b2\u03b3\u03b4\u03b5\u03b6\u03b7\u03b9\u03ba\u03bb\u03bc\u03bd\u03be\u03bf\u03c0\u03c1\u03c3\u03c2\u03c4\u03c5\u03c6\u03c9'
 replace = u'AVGDEZIIKLMNXOPRSSTUFOavgdeziiklmnxoprsstyfo'
 def replace_greek_character(match):
  matched = list(match.group(0))
  value = map((lambda l: replace[search.find(l)]), matched)
  return u''.join(value)
 return re.sub(u'[{0}]+'.format(search), replace_greek_character, re.sub(u'([\u0398\u03a7\u03a8\u03b8\u03c7\u03c8]+|\u039f\u03a5|\u0391\u03a5|\u0395\u03a5|\u039f\u03c5|\u0391\u03c5|\u0395\u03c5|\u03bf\u03c5|\u03b1\u03c5|\u03b5\u03c5)', replace_double_character, remove_accents(value)))

def latinize ( value ) : def replace_double_character ( match ) : search = u'\u0398 \u03a7 \u03a8 \u03b8 \u03c7 \u03c8 \u039f\u03a5 \u0391\u03a5 \u0395\u03a5 \u039f\u03c5 \u0391\u03c5 \u0395\u03c5 \u03bf\u03c5 \u03b1\u03c5 \u03b5\u03c5' . split ( ) replace = u'TH CH PS th ch ps OU AU EU Ou Au Eu ou au eu' . split ( ) matched = match . group ( 0 ) if ( matched in search ) : return replace [ search . index ( matched ) ] return matched search = u'\u0391\u0392\u0393\u0394\u0395\u0396\u0397\u0399\u039a\u039b\u039c\u039d\u039e\u039f\u03a0\u03a1\u03a3\u03a3\u03a4\u03a5\u03a6\u03a9\u03b1\u03b2\u03b3\u03b4\u03b5\u03b6\u03b7\u03b9\u03ba\u03bb\u03bc\u03bd\u03be\u03bf\u03c0\u03c1\u03c3\u03c2\u03c4\u03c5\u03c6\u03c9' replace = u'AVGDEZIIKLMNXOPRSSTUFOavgdeziiklmnxoprsstyfo' def replace_greek_character ( match ) : matched = list ( match . group ( 0 ) ) value = map ( ( lambda l : replace [ search . find ( l ) ] ) , matched ) return u'' . join ( value ) return re . sub ( u'[{0}]+' . format ( search ) , replace_greek_character , re . sub ( u'([\u0398\u03a7\u03a8\u03b8\u03c7\u03c8]+|\u039f\u03a5|\u0391\u03a5|\u0395\u03a5|\u039f\u03c5|\u0391\u03c5|\u0395\u03c5|\u03bf\u03c5|\u03b1\u03c5|\u03b5\u03c5)' , replace_double_character , remove_accents ( value ) ) )
converts greek letters to latin equivalents .