# -*- coding: utf-8 -*-
import re

def dms2dd(degrees, minutes, seconds, direction):
    dd = float(degrees) + float(minutes)/60 + float(seconds)/(60*60);

    return dd;

def dd2dms(deg):
    d = int(deg)
    md = abs(deg - d) * 60
    m = int(md)
    sd = (md - m) * 60
    return [d, m, sd]

def parse_dms(dms):
    parts = re.split('[^\d\w]+', dms)
    lat = dms2dd(parts[0], parts[1], parts[2], parts[3])

    if 'W' in dms or 'S' in dms:
        lat = lat * -1

    return (lat)


#dd = parse_dms("5°38'38.5 W")
#print(dd)