A python class to present internal temperature of the Raspberry Pi

temp.py

# -*- coding: utf-8 -*-
# The line above is to allow printing of the degree (°) symbol
from subprocess import call

class PanelTemperature:
    degree_sign= u'\N{DEGREE SIGN}'

    def __init__(self):
        self.c = 0 #It is assumed C is delivered from /opt/vc/bin/vcgencmd measure_temp
        self.f = 0
        self.k = 0
        getTemp()

    def toK(self):
        return self.c + 273

    def toF(self):
        return ((self.c * 1.8) + 32)

    def getTemp(self):
        t = call('/opt/vc/bin/vcgencmd measure_temp')
        stripped = t.replace("'C","")
        stripped = stripped.replace('temp=','')
        self.c = float(stripped)

    def getTempC(self):
        self.getTemp()
        return ('Temp: %d%s C\n',self.c,degree_sign)

    def getTempF(self):
        self.getTemp()
        return ('Temp: %d%s F\n',self.f,degree_sign)

    def getTempK(self):
        self.getTemp()
        return ('Temp: %d K\n',self.k)