'''
    #show switch
    Switch/Stack Mac Address : e089.9d50.7000
                                               H/W   Current
    Switch#  Role   Mac Address     Priority Version  State
    ----------------------------------------------------------
    *1       Master e089.9d50.7000     15     1       Ready
     2       Member 1ce8.5d68.7b00     14     1       Ready
     3       Member 1ce8.5d68.3980     13     1       Ready
     4       Member 1ce8.5d8a.cc80     12     1       Ready
    '''
    def get_switches(self):
        p = re.compile(r"""
                        (\s|\*)
                        (?P<switch>\d)
                        \s+
                        (?P<role>Member|Master)
                        \s+
                        (?P<mac>[a-z0-9]{4}\.[a-z0-9]{4}\.[a-z0-9]{4})
                        \s+
                        (?P<prior>\d{1,2})
                        \s+
                        (?P<version>\d+)
                        \s+
                        (?P<state>Ready|.*?)
                        \s+
                        """, re.VERBOSE)