class MetMast():
    def __init__(self):
        pass

    def getTemperature(self):
        return self.__getValue('OutsideTemperature')

    def getInsolation(self):
        return self.__getValue('Insolation')

    def getWindDirection(self):
        return self.__getValue('WindDirection')

    def getWindSpeed(self):
        return self.__getValue('WindSpeed')

    def __getValue(self, key):
        from requests import get, auth
        import re

        if not type(key) is str: raise TypeError('Key should be a string, found {0}'.format(type(key)))
        assert key is not '', 'Key should not be an empty string'

        url = 'http://whiteboard.syslab.dk/wbget.php'
        r = get(url, auth=auth.HTTPBasicAuth('twinPV99', 'twinPV99'))
        entries = r.text.split('\n')

        result = None

        for entry in entries:
            entry = entry.rstrip().lstrip()
            g = re.match('SYSLAB@(\d+):{0}=(.+);'.format(key), entry)
            if g is None:
                continue
            else:
                g = g.groups()
                result = g[1]
                break

        return result