# Source code for bbarchivist.carrierchecker

    #!/usr/bin/env python3

    try:
        from . import bbconstants  # @UnusedImport
    except SystemError:
        import bbconstants  # @UnresolvedImport @Reimport
    try:
        from . import networkutils  # @UnusedImport
    except SystemError:
        import networkutils  # @UnresolvedImport @Reimport
    try:
        from . import utilities  # @UnusedImport
    except SystemError:
        import utilities  # @UnresolvedImport @Reimport
    import os

    def doMagic(mcc, mnc, device,
                download=False, upgrade=False,
                directory=os.getcwd(),
                export=False):
        """
        Wrap around :mod:`bbarchivist.networkutils` carrier checking.

        :param mcc: Country code.
        :type mcc: int

        :param mnc: Network code.
        :type mnc: int

        :param device: Device ID (SXX100-#)
        :type device: str

        :param download: Whether or not to download. Default is false.
        :type download: bool

        :param upgrade: Whether or not to use upgrade files. Default is false.
        :type upgrade: bool

        :param directory: Where to store files. Default is local directory.
        :type directory: str

        :param export: Whether or not to write URLs to a file. Default is false.
        :type export: bool
        """
        try:
            devindex = bbconstants._devicelist.index(device.upper())
        except ValueError as e:
            print(str(e).upper())
            print("INVALID DEVICE!")
            raise SystemExit
        model = bbconstants._modellist[utilities.return_model(devindex)]
        family = bbconstants._familylist[utilities.return_family(devindex)]
        hwid = bbconstants._hwidlist[devindex]
        version = bbconstants._version
        print("~~~CARRIERCHECKER VERSION", version + "~~~")
        country, carrier = networkutils.carrier_checker(mcc, mnc)
        print("COUNTRY:", country.upper())
        print("CARRIER:", carrier.upper())
        print("DEVICE:", model.upper())
        print("VARIANT:", device.upper())
        print("HARDWARE ID:", hwid)
        print("\nCHECKING CARRIER...")
        swv, osv, radv, files = networkutils.carrier_update_request(mcc, mnc, hwid,
                                                                    download,
                                                                    upgrade)
        print("SOFTWARE RELEASE:", swv)
        print("OS VERSION:", osv)
        print("RADIO VERSION:", radv)
        if export:
            print("\nEXPORTING...")
            with open("Links-" + swv + ".txt", "w") as target:
                target.write("OS: " + osv + "\n")
                target.write("RADIO: " + swv + "\n")
                target.write("SOFTWARE: " + radv + "\n")
                target.write("DEVICE TYPE: " + family.upper() + "\n")
                target.write("\nFILES\n")
                for i in files:
                    target.write(i + "\n")
        if download:
            bardir = os.path.join(directory, swv+"-"+family)
            if not os.path.exists(bardir):
                os.makedirs(bardir)
            filedict = {}
            for i in files:
                filedict[str(i)] = i
            print("\nDOWNLOADING...")
            download_manager = networkutils.DownloadManager(filedict, bardir)
            download_manager.begin_downloads()