cpuinfo.py 文件源码

def __init__(self):
        if self.info is not None:
            return
        info = []
        try:
            #XXX: Bad style to use so long `try:...except:...`. Fix it!
            if sys.version_info[0] >= 3:
                import winreg
            else:
                import _winreg as winreg

            prgx = re.compile(r"family\s+(?P<FML>\d+)\s+model\s+(?P<MDL>\d+)"\
                              "\s+stepping\s+(?P<STP>\d+)", re.IGNORECASE)
            chnd=winreg.OpenKey(winreg.HKEY_LOCAL_MACHINE, self.pkey)
            pnum=0
            while True:
                try:
                    proc=winreg.EnumKey(chnd, pnum)
                except winreg.error:
                    break
                else:
                    pnum+=1
                    info.append({"Processor":proc})
                    phnd=winreg.OpenKey(chnd, proc)
                    pidx=0
                    while True:
                        try:
                            name, value, vtpe=winreg.EnumValue(phnd, pidx)
                        except winreg.error:
                            break
                        else:
                            pidx=pidx+1
                            info[-1][name]=value
                            if name=="Identifier":
                                srch=prgx.search(value)
                                if srch:
                                    info[-1]["Family"]=int(srch.group("FML"))
                                    info[-1]["Model"]=int(srch.group("MDL"))
                                    info[-1]["Stepping"]=int(srch.group("STP"))
        except:
            print(sys.exc_info()[1], '(ignoring)')
        self.__class__.info = info