用python写了个控制cpu变频范围的小程序

CODE:

def GetCpuData():
        """cpudata.keys == ['trans_table', 'scaling_max_freq', 'scaling_governor', 'scaling_min_freq', 'scaling_available_governors', 'scaling_available_frequencies', 'time_in_state', 'total_trans']"""
        cpudatadir = '/sys/devices/system/cpu/cpu0/cpufreq/'
        data = {'scaling_available_frequencies':'','scaling_available_governors':'','scaling_governor':'','scaling_max_freq':'','scaling_min_freq':'','time_in_state':'','total_trans':'','trans_table':''}
        for i in data.keys():
                if i not in ['time_in_state','total_trans','trans_table']:
                        d = open(cpudatadir+i).read()
                        data[i] = d
                else:
                        d = open(cpudatadir+'stats/'+i).read()
                        data[i] = d
        return data
       
def SetCpuData(scaling_max_freq=0,scaling_min_freq=0,scaling_governor=0):
        cpudatadir = '/sys/devices/system/cpu/cpu0/cpufreq/'
        targetlist = ['scaling_min_freq','scaling_max_freq','scaling_governor']
        targetlist = [cpudatadir + i for i in targetlist]
        changelist = [scaling_min_freq,scaling_max_freq,scaling_governor]
        for i in range(3):
                if not changelist[i] == 0:
                        d = open(targetlist[i],'w')
                        d.write(str(changelist[i]))
                        d.close()
                else : pass
       
                       
def Fandata(mode,state='None'):
        """when mode it 'set',state instruct what cpu cooling mode should be use,0 mean active,1 mean passive"""
        dir = '/proc/acpi/thermal_zone/THRM/'
        if mode == 'get':
                d = open(dir+'cooling_mode','r')
                D = d.read()
                d.close()
                t = open(dir+'temperature','r')
                T = t.read()
                T = T.replace('   ','')
                t.close()
                return D , T
        if mode == 'set':
                d = open(dir+'cooling_mode','w')
                d.write(state)
                d.close()