def getAccidentsByRangeSeverity(analyzer, initialDate):
    """
    Retorna el total de crimenes de un tipo especifico en una
    fecha determinada
    """
    initialDate = datetime.datetime.strptime(initialDate, '%Y-%m-%d')
    return model.getAccidentsByRangeSeverity(analyzer, initialDate.date())
def getAccidentsByRangeSeverity(analyzer, initialDate, finalDate):

    initialDate = datetime.datetime.strptime(initialDate, '%Y-%m-%d')
    finalDate = datetime.datetime.strptime(finalDate, '%Y-%m-%d')
    return model.getAccidentsByRangeSeverity(analyzer, initialDate.date(),
                                  finalDate.date())
def getAccidentsByRangeSeverity(analyzer, initialDate, severity):

    initialDate = datetime.datetime.strptime(initialDate, "%Y-%m-%d")
    return model.getAccidentsByRangeSeverity(analyzer, initialDate.date(), severity)