expanding abbreviations for TTS

expansion.py

# in weather

substitutes = { 
     "W":"West","N":"North","S":"South","E":"East",
     "km/h":"kilometers per hour","C":"Celsius","mph":"miles per hours",
     "Mon":"Monday","Tue":"Tuesday","Wed":"Wednesday","Thu":"Thursday","Fri":"Friday","Sat":"Saturday","Sun":"Sunday",
     "NNE":"Nor Nor East","NE":"Nor East","ENE":"East Nor East","ESE":"East Sow East", 
     "SE":"Sow East" ,"SSE" :"Sow Sow East", "SSW":"Sow Sow West","SW":"Sow West","WSW":"West Sow West",
     "WNW":"West Nor West","NW":"Nor West","NNW":"Nor Nor West",
     "%":"percent"
     }

# in xmlutils
def substitute(word,substitutes) :
    try :
       replacement = substitutes[word]
       return '<sub alias="' + replacement +'">'+word+'</sub>'
    except :
       return word

def expand(text,substitutes) :
   return " ".join([substitute(word,substitutes) for word in text.split(" ")])