Return device width, height, rotation

def display(self):
        '''
        Return device width, height, rotation
        '''
        w, h = (0, 0)
        for line in self.shell('dumpsys', 'display').splitlines():
            m = _DISPLAY_RE.search(line, 0)
            if not m:
                continue
            w = int(m.group('width'))
            h = int(m.group('height'))
            o = int(m.group('orientation'))
            w, h = min(w, h), max(w, h)
            return self.Display(w, h, o)

        output = self.shell('LD_LIBRARY_PATH=/data/local/tmp', self.__minicap, '-i')
        try:
            data = json.loads(output)
            (w, h, o) = (data['width'], data['height'], data['rotation']/90)
            return self.Display(w, h, o)            
        except ValueError:
            pass