示例#1
0
    def __init__(self, device):
        DiscInfo.__init__(self)
        self.context = 'video'
        self.offset = 0
        if mediainfo.DEBUG > 1:
            print 'trying lsdvd for scanning the disc'

        if os.path.isdir(device):
            self.valid = self.isDVDdir(device)
        else:
            self.valid = self.isDisc(device)

        if self.valid and self.tracks:
            self.keys.append('length')
            self.length = 0
            first       = 0

            for t in self.tracks:
                self.length += t.length
                if not first:
                    first = t.length
            
            if self.length/len(self.tracks) == first:
                # badly mastered dvd
                self.length = first

            if mediainfo.DEBUG > 1:
                print 'lsdvd detection ok'
            
        self.mime    = 'video/dvd'
        self.type    = 'DVD'
        self.subtype = 'video'
示例#2
0
    def __init__(self, device):
        DiscInfo.__init__(self)
        self.context = 'video'
        self.offset = 0
        if mediainfo.DEBUG > 1:
            print 'trying lsdvd for scanning the disc'

        if os.path.isdir(device):
            self.valid = self.isDVDdir(device)
        else:
            self.valid = self.isDisc(device)

        if self.valid and self.tracks:
            self.keys.append('length')
            self.length = 0
            first = 0

            for t in self.tracks:
                self.length += t.length
                if not first:
                    first = t.length

            if self.length / len(self.tracks) == first:
                # badly mastered dvd
                self.length = first

            if mediainfo.DEBUG > 1:
                print 'lsdvd detection ok'

        self.mime = 'video/dvd'
        self.type = 'DVD'
        self.subtype = 'video'
示例#3
0
 def __init__(self,device):
     DiscInfo.__init__(self)
     self.context = 'unknown'
     self.offset = 0
     self.valid = self.isDisc(device)
     self.mime = 'unknown/unknown'
     self.type = 'CD'
     self.subtype = 'data'
示例#4
0
 def __init__(self, device):
     DiscInfo.__init__(self)
     self.context = 'unknown'
     self.offset = 0
     self.valid = self.isDisc(device)
     self.mime = 'unknown/unknown'
     self.type = 'CD'
     self.subtype = 'data'
示例#5
0
 def __init__(self,device):
     DiscInfo.__init__(self)
     self.context = 'video'
     self.offset = 0
     self.valid = self.isDisc(device)
     self.mime = 'video/vcd'
     self.type = 'CD'        
     self.subtype = 'video'
示例#6
0
 def __init__(self, device):
     DiscInfo.__init__(self)
     self.context = 'video'
     self.offset = 0
     self.valid = self.isDisc(device)
     self.mime = 'video/vcd'
     self.type = 'CD'
     self.subtype = 'video'
示例#7
0
    def isDisc(self, device):
        if DiscInfo.isDisc(self, device) != 2:
            return 0

        # brute force reading of the device to find out if it is a DVD
        f = open(device, 'rb')
        f.seek(32768, 0)
        buffer = f.read(60000)

        if buffer.find('UDF') == -1:
            f.close()
            return 0

        # seems to be a DVD, read a little bit more
        buffer += f.read(550000)
        f.close()

        if buffer.find('VIDEO_TS') == -1 and \
               buffer.find('VIDEO_TS.IFO') == -1 and \
               buffer.find('OSTA UDF Compliant') == -1:
            return 0

        ret = self.lsdvd(device)
        if not ret:
            # we are very sure this is a DVD, maybe the drive was not
            # ready, let's try again
            return self.lsdvd(device)
        return 1
示例#8
0
    def isDisc(self, device):
        if DiscInfo.isDisc(self, device) != 2:
            return 0

        # brute force reading of the device to find out if it is a DVD
        f = open(device,'rb')
        f.seek(32768, 0)
        buffer = f.read(60000)

        if buffer.find('UDF') == -1:
            f.close()
            return 0

        # seems to be a DVD, read a little bit more
        buffer += f.read(550000)
        f.close()

        if buffer.find('VIDEO_TS') == -1 and \
               buffer.find('VIDEO_TS.IFO') == -1 and \
               buffer.find('OSTA UDF Compliant') == -1:
            return 0

        ret = self.lsdvd(device)
        if not ret:
            # we are very sure this is a DVD, maybe the drive was not
            # ready, let's try again
            return self.lsdvd(device)
        return 1
示例#9
0
    def isDisc(self, device):
        if DiscInfo.isDisc(self, device) != 2:
            return 0

        # brute force reading of the device to find out if it is a DVD
        f = open(device,'rb')
        f.seek(32768, 0)
        buffer = f.read(60000)

        if buffer.find('UDF') == -1:
            f.close()
            return 0

        # seems to be a DVD, read a little bit more
        buffer += f.read(550000)
        f.close()

        if buffer.find('VIDEO_TS') == -1 and buffer.find('VIDEO_TS.IFO') == -1 and \
               buffer.find('OSTA UDF Compliant') == -1:
            return 0

        # OK, try libdvdread
        title_num = ifoparser.open(device)

        if not title_num:
            return 0

        for title in range(1, title_num+1):
            ti = DVDTitle(title)
            ti.trackno = title
            ti.trackof = title_num
            self.appendtrack(ti)
        
        ifoparser.close()
        return 1
示例#10
0
    def isDisc(self, device):
        if DiscInfo.isDisc(self, device) != 2:
            return 0

        # brute force reading of the device to find out if it is a DVD
        f = open(device, 'rb')
        f.seek(32768, 0)
        buffer = f.read(60000)

        if buffer.find('UDF') == -1:
            f.close()
            return 0

        # seems to be a DVD, read a little bit more
        buffer += f.read(550000)
        f.close()

        if buffer.find('VIDEO_TS') == -1 and buffer.find('VIDEO_TS.IFO') == -1 and \
               buffer.find('OSTA UDF Compliant') == -1:
            return 0

        # OK, try libdvdread
        title_num = ifoparser.open(device)

        if not title_num:
            return 0

        for title in range(1, title_num + 1):
            ti = DVDTitle(title)
            ti.trackno = title
            ti.trackof = title_num
            self.appendtrack(ti)

        ifoparser.close()
        return 1
示例#11
0
    def isDisc(self, device):
        type = None
        if DiscInfo.isDisc(self, device) != 2:
            return 0
        
        # brute force reading of the device to find out if it is a VCD
        f = open(device,'rb')
        f.seek(32768, 0)
        buffer = f.read(60000)
        f.close()

        if buffer.find('SVCD') > 0 and buffer.find('TRACKS.SVD') > 0 and \
               buffer.find('ENTRIES.SVD') > 0:
            type = 'SVCD'

        elif buffer.find('INFO.VCD') > 0 and buffer.find('ENTRIES.VCD') > 0:
            type = 'VCD'

        else:
            return 0

        # read the tracks to generate the title list
        device = open(device)
        (first, last) = cdrom.toc_header(device)

        lmin = 0
        lsec = 0

        num = 0
        for i in range(first, last + 2):
            if i == last + 1:
                min, sec, frames = cdrom.leadout(device)
            else:
                min, sec, frames = cdrom.toc_entry(device, i)
            if num:
                vi = mediainfo.VideoInfo()
                # XXX add more static information here, it's also possible
                # XXX to scan for more informations like fps
                # XXX Settings to MPEG1/2 is a wild guess, maybe the track
                # XXX isn't playable at all (e.g. the menu)
                if type == 'VCD':
                    vi.codec = 'MPEG1'
                else:
                    vi.codec = 'MPEG2'
                vi.length = (min-lmin) * 60 + (sec-lsec)
                self.tracks.append(vi)
            num += 1
            lmin, lsec = min, sec
        device.close()
        return 1
示例#12
0
    def isDisc(self, device):
        type = None
        if DiscInfo.isDisc(self, device) != 2:
            return 0

        # brute force reading of the device to find out if it is a VCD
        f = open(device, 'rb')
        f.seek(32768, 0)
        buffer = f.read(60000)
        f.close()

        if buffer.find('SVCD') > 0 and buffer.find('TRACKS.SVD') > 0 and \
               buffer.find('ENTRIES.SVD') > 0:
            type = 'SVCD'

        elif buffer.find('INFO.VCD') > 0 and buffer.find('ENTRIES.VCD') > 0:
            type = 'VCD'

        else:
            return 0

        # read the tracks to generate the title list
        device = open(device)
        (first, last) = cdrom.toc_header(device)

        lmin = 0
        lsec = 0

        num = 0
        for i in range(first, last + 2):
            if i == last + 1:
                min, sec, frames = cdrom.leadout(device)
            else:
                min, sec, frames = cdrom.toc_entry(device, i)
            if num:
                vi = mediainfo.VideoInfo()
                # XXX add more static information here, it's also possible
                # XXX to scan for more informations like fps
                # XXX Settings to MPEG1/2 is a wild guess, maybe the track
                # XXX isn't playable at all (e.g. the menu)
                if type == 'VCD':
                    vi.codec = 'MPEG1'
                else:
                    vi.codec = 'MPEG2'
                vi.length = (min - lmin) * 60 + (sec - lsec)
                self.tracks.append(vi)
            num += 1
            lmin, lsec = min, sec
        device.close()
        return 1
示例#13
0
    def isDisc(self, device):
        if DiscInfo.isDisc(self, device) != 2:
            return 0

        return 1
示例#14
0
    def run(self, ybo, product, version, release, variant="", bugurl="",
            isfinal=False, workdir=None, outputdir=None, buildarch=None, volid=None,
            domacboot=False, doupgrade=True, remove_temp=False,
            installpkgs=None,
            ssss=None,
            size=2,
            add_templates=None,
            add_template_vars=None,
            add_arch_templates=None,
            add_arch_template_vars=None,
            template_tempdir=None):

        assert self._configured

        installpkgs = installpkgs or []

        # get lorax version
        try:
            import pylorax.version
        except ImportError:
            vernum = "devel"
        else:
            vernum = pylorax.version.num

        if domacboot:
            try:
                runcmd(["rpm", "-q", "hfsplus-tools"])
            except CalledProcessError:
                logger.critical("you need to install hfsplus-tools to create mac images")
                sys.exit(1)

        # set up work directory
        self.workdir = workdir or tempfile.mkdtemp(prefix="pylorax.work.")
        if not os.path.isdir(self.workdir):
            os.makedirs(self.workdir)

        # set up log directory
        logdir = '/var/log/lorax'
        if not os.path.isdir(logdir):
            os.makedirs(logdir)

        self.init_stream_logging()
        self.init_file_logging(logdir)

        logger.debug("version is {0}".format(vernum))
        logger.debug("using work directory {0.workdir}".format(self))
        logger.debug("using log directory {0}".format(logdir))

        # set up output directory
        self.outputdir = outputdir or tempfile.mkdtemp(prefix="pylorax.out.")
        if not os.path.isdir(self.outputdir):
            os.makedirs(self.outputdir)
        logger.debug("using output directory {0.outputdir}".format(self))

        # do we have root privileges?
        logger.info("checking for root privileges")
        if not os.geteuid() == 0:
            logger.critical("no root privileges")
            sys.exit(1)

        # is selinux disabled?
        # With selinux in enforcing mode the rpcbind package required for
        # dracut nfs module, which is in turn required by anaconda module,
        # will not get installed, because it's preinstall scriptlet fails,
        # resulting in an incomplete initial ramdisk image.
        # The reason is that the scriptlet runs tools from the shadow-utils
        # package in chroot, particularly groupadd and useradd to add the
        # required rpc group and rpc user. This operation fails, because
        # the selinux context on files in the chroot, that the shadow-utils
        # tools need to access (/etc/group, /etc/passwd, /etc/shadow etc.),
        # is wrong and selinux therefore disallows access to these files.
        logger.info("checking the selinux mode")
        if selinux.is_selinux_enabled() and selinux.security_getenforce():
            logger.critical("selinux must be disabled or in Permissive mode")
            sys.exit(1)

        # do we have a proper yum base object?
        logger.info("checking yum base object")
        if not isinstance(ybo, yum.YumBase):
            logger.critical("no yum base object")
            sys.exit(1)
        self.inroot = ybo.conf.installroot
        logger.debug("using install root: {0}".format(self.inroot))

        if not buildarch:
            buildarch = get_buildarch(ybo)

        logger.info("setting up build architecture")
        self.arch = ArchData(buildarch)
        for attr in ('buildarch', 'basearch', 'libdir'):
            logger.debug("self.arch.%s = %s", attr, getattr(self.arch,attr))

        logger.info("setting up build parameters")
        product = DataHolder(name=product, version=version, release=release,
                             variant=variant, bugurl=bugurl, isfinal=isfinal)
        self.product = product
        logger.debug("product data: %s" % product)

        # NOTE: if you change isolabel, you need to change pungi to match, or
        # the pungi images won't boot.
        isolabel = volid or "{0.name} {0.version} {1.basearch}".format(self.product,
                                                                       self.arch)

        if len(isolabel) > 32:
            logger.fatal("the volume id cannot be longer than 32 characters")
            sys.exit(1)

        templatedir = self.conf.get("lorax", "sharedir")
        # NOTE: rb.root = ybo.conf.installroot (== self.inroot)
        rb = RuntimeBuilder(product=self.product, arch=self.arch,
                            yum=ybo, templatedir=templatedir,
                            installpkgs=installpkgs,
                            add_templates=add_templates,
                            add_template_vars=add_template_vars)

        logger.info("installing runtime packages")
        rb.yum.conf.skip_broken = self.conf.getboolean("yum", "skipbroken")
        rb.install()

        # write .buildstamp
        buildstamp = BuildStamp(self.product.name, self.product.version,
                                self.product.bugurl, self.product.isfinal, self.arch.buildarch)

        buildstamp.write(joinpaths(self.inroot, ".buildstamp"))

        if self.debug:
            rb.writepkglists(joinpaths(logdir, "pkglists"))
            rb.writepkgsizes(joinpaths(logdir, "original-pkgsizes.txt"))

        logger.info("doing post-install configuration")
        rb.postinstall()

        # write .discinfo
        discinfo = DiscInfo(self.product.release, self.arch.basearch)
        discinfo.write(joinpaths(self.outputdir, ".discinfo"))

        logger.info("backing up installroot")
        installroot = joinpaths(self.workdir, "installroot")
        linktree(self.inroot, installroot)

        logger.info("generating kernel module metadata")
        rb.generate_module_data()

        logger.info("cleaning unneeded files")
        rb.cleanup()

        if self.debug:
            rb.writepkgsizes(joinpaths(logdir, "final-pkgsizes.txt"))

        logger.info("creating the runtime image")
        runtime = "images/install.img"
        compression = self.conf.get("compression", "type")
        compressargs = self.conf.get("compression", "args").split()
        if self.conf.getboolean("compression", "bcj"):
            if self.arch.bcj:
                compressargs += ["-Xbcj", self.arch.bcj]
            else:
                logger.info("no BCJ filter for arch %s", self.arch.basearch)
        rb.create_runtime(joinpaths(installroot,runtime),
                          compression=compression, compressargs=compressargs)

        logger.info("preparing to build output tree and boot images")
        treebuilder = TreeBuilder(product=self.product, arch=self.arch,
                                  inroot=installroot, outroot=self.outputdir, ssss=ssss,
                                  runtime=runtime, isolabel=isolabel,
                                  domacboot=domacboot, doupgrade=doupgrade,
                                  templatedir=templatedir,
                                  add_templates=add_arch_templates,
                                  add_template_vars=add_arch_template_vars,
                                  workdir=self.workdir)

        logger.info("rebuilding initramfs images")
        dracut_args = ["--xz", "--install", "/.buildstamp", "--no-early-microcode"]
        anaconda_args = dracut_args + ["--add", "anaconda pollcdrom"]

        # ppc64 cannot boot an initrd > 32MiB so remove some drivers
        if self.arch.basearch in ("ppc64", "ppc64le"):
            dracut_args.extend(["--omit-drivers", REMOVE_PPC64_DRIVERS])

            # Only omit dracut modules from the initrd so that they're kept for
            # upgrade.img
            anaconda_args.extend(["--omit", REMOVE_PPC64_MODULES])

        treebuilder.rebuild_initrds(add_args=anaconda_args)

        if doupgrade:
            # Build upgrade.img. It'd be nice if these could coexist in the same
            # image, but that would increase the size of the anaconda initramfs,
            # which worries some people (esp. PPC tftpboot). So they're separate.
            try:
                # If possible, use the 'redhat-upgrade-tool' plymouth theme
                themes = runcmd_output(['plymouth-set-default-theme', '--list'],
                                       root=installroot)
                if 'redhat-upgrade-tool' in themes.splitlines():
                    os.environ['PLYMOUTH_THEME_NAME'] = 'redhat-upgrade-tool'
            except RuntimeError:
                pass
            upgrade_args = dracut_args + ["--add", "system-upgrade convertfs"]
            treebuilder.rebuild_initrds(add_args=upgrade_args, prefix="upgrade")

        logger.info("populating output tree and building boot images")
        treebuilder.build()

        # write .treeinfo file and we're done
        treeinfo = TreeInfo(self.product.name, self.product.version,
                            self.product.variant, self.arch.basearch)
        for section, data in treebuilder.treeinfo_data.items():
            treeinfo.add_section(section, data)
        treeinfo.write(joinpaths(self.outputdir, ".treeinfo"))

        # cleanup
        if remove_temp:
            remove(self.workdir)
示例#15
0
文件: __init__.py 项目: tomhurd/clip
    def run(self, ybo, product, version, release, variant="", bugurl="",
            isfinal=False, workdir=None, outputdir=None, buildarch=None, volid=None,
            domacboot=False, doupgrade=True, remove_temp=False):

        assert self._configured

        # get lorax version
        try:
            import pylorax.version
        except ImportError:
            vernum = "devel"
        else:
            vernum = pylorax.version.num

        if domacboot:
            try:
                runcmd(["rpm", "-q", "hfsplus-tools"])
            except CalledProcessError:
                logger.critical("you need to install hfsplus-tools to create mac images")
                sys.exit(1)

        # set up work directory
        self.workdir = workdir or tempfile.mkdtemp(prefix="pylorax.work.")
        if not os.path.isdir(self.workdir):
            os.makedirs(self.workdir)

        # set up log directory
        logdir = '/var/log/lorax'
        if not os.path.isdir(logdir):
            os.makedirs(logdir)

        self.init_stream_logging()
        self.init_file_logging(logdir)

        logger.debug("version is {0}".format(vernum))
        logger.debug("using work directory {0.workdir}".format(self))
        logger.debug("using log directory {0}".format(logdir))

        # set up output directory
        self.outputdir = outputdir or tempfile.mkdtemp(prefix="pylorax.out.")
        if not os.path.isdir(self.outputdir):
            os.makedirs(self.outputdir)
        logger.debug("using output directory {0.outputdir}".format(self))

        # do we have root privileges?
        logger.info("checking for root privileges")
        if not os.geteuid() == 0:
            logger.critical("no root privileges")
            sys.exit(1)

        # is selinux disabled?
        # With selinux in enforcing mode the rpcbind package required for
        # dracut nfs module, which is in turn required by anaconda module,
        # will not get installed, because it's preinstall scriptlet fails,
        # resulting in an incomplete initial ramdisk image.
        # The reason is that the scriptlet runs tools from the shadow-utils
        # package in chroot, particularly groupadd and useradd to add the
        # required rpc group and rpc user. This operation fails, because
        # the selinux context on files in the chroot, that the shadow-utils
        # tools need to access (/etc/group, /etc/passwd, /etc/shadow etc.),
        # is wrong and selinux therefore disallows access to these files.
        logger.info("checking the selinux mode")
        if selinux.is_selinux_enabled() and selinux.security_getenforce():
            logger.critical("selinux must be disabled or in Permissive mode")
            sys.exit(1)

        # do we have a proper yum base object?
        logger.info("checking yum base object")
        if not isinstance(ybo, yum.YumBase):
            logger.critical("no yum base object")
            sys.exit(1)
        self.inroot = ybo.conf.installroot
        logger.debug("using install root: {0}".format(self.inroot))

        if not buildarch:
            buildarch = get_buildarch(ybo)

        logger.info("setting up build architecture")
        self.arch = ArchData(buildarch)
        for attr in ('buildarch', 'basearch', 'libdir'):
            logger.debug("self.arch.%s = %s", attr, getattr(self.arch,attr))

        logger.info("setting up build parameters")
        product = DataHolder(name=product, version=version, release=release,
                             variant=variant, bugurl=bugurl, isfinal=isfinal)
        self.product = product
        logger.debug("product data: %s" % product)

        # NOTE: if you change isolabel, you need to change pungi to match, or
        # the pungi images won't boot.
        isolabel = volid or "{0.name} {0.version} {1.basearch}".format(self.product,
                                                                       self.arch)

        if len(isolabel) > 32:
            logger.fatal("the volume id cannot be longer than 32 characters")
            sys.exit(1)

        templatedir = self.conf.get("lorax", "sharedir")
        # NOTE: rb.root = ybo.conf.installroot (== self.inroot)
        rb = RuntimeBuilder(product=self.product, arch=self.arch,
                            yum=ybo, templatedir=templatedir)

        logger.info("installing runtime packages")
        rb.yum.conf.skip_broken = self.conf.getboolean("yum", "skipbroken")
        rb.install()

        # write .buildstamp
        buildstamp = BuildStamp(self.product.name, self.product.version,
                                self.product.bugurl, self.product.isfinal, self.arch.buildarch)

        buildstamp.write(joinpaths(self.inroot, ".buildstamp"))

        if self.debug:
            rb.writepkglists(joinpaths(logdir, "pkglists"))
            rb.writepkgsizes(joinpaths(logdir, "original-pkgsizes.txt"))

        logger.info("doing post-install configuration")
        rb.postinstall()

        # write .discinfo
        discinfo = DiscInfo(self.product.release, self.arch.basearch)
        discinfo.write(joinpaths(self.outputdir, ".discinfo"))

        logger.info("backing up installroot")
        installroot = joinpaths(self.workdir, "installroot")
        linktree(self.inroot, installroot)

        logger.info("generating kernel module metadata")
        rb.generate_module_data()

        logger.info("cleaning unneeded files")
        rb.cleanup()

        if self.debug:
            rb.writepkgsizes(joinpaths(logdir, "final-pkgsizes.txt"))

        logger.info("creating the runtime image")
        runtime = "images/install.img"
        compression = self.conf.get("compression", "type")
        compressargs = self.conf.get("compression", "args").split()
        if self.conf.getboolean("compression", "bcj"):
            if self.arch.bcj:
                compressargs += ["-Xbcj", self.arch.bcj]
            else:
                logger.info("no BCJ filter for arch %s", self.arch.basearch)
        rb.create_runtime(joinpaths(installroot,runtime),
                          compression=compression, compressargs=compressargs)

        logger.info("preparing to build output tree and boot images")
        treebuilder = TreeBuilder(product=self.product, arch=self.arch,
                                  inroot=installroot, outroot=self.outputdir,
                                  runtime=runtime, isolabel=isolabel,
                                  domacboot=domacboot, doupgrade=doupgrade,
                                  templatedir=templatedir)

        logger.info("rebuilding initramfs images")
        dracut_args = ["--xz", "--install", "/.buildstamp"]
        anaconda_args = dracut_args + ["--add", "anaconda pollcdrom"]

        # ppc64 cannot boot an initrd > 32MiB so remove some drivers
        if self.arch.basearch in ("ppc64", "ppc64le"):
            dracut_args.extend(["--omit-drivers", REMOVE_PPC64_DRIVERS])

            # Only omit dracut modules from the initrd so that they're kept for
            # upgrade.img
            anaconda_args.extend(["--omit", REMOVE_PPC64_MODULES])

        treebuilder.rebuild_initrds(add_args=anaconda_args)

        if doupgrade:
            # Build upgrade.img. It'd be nice if these could coexist in the same
            # image, but that would increase the size of the anaconda initramfs,
            # which worries some people (esp. PPC tftpboot). So they're separate.
            try:
                # If possible, use the 'redhat-upgrade-tool' plymouth theme
                themes = runcmd_output(['plymouth-set-default-theme', '--list'],
                                       root=installroot)
                if 'redhat-upgrade-tool' in themes.splitlines():
                    os.environ['PLYMOUTH_THEME_NAME'] = 'redhat-upgrade-tool'
            except RuntimeError:
                pass
            upgrade_args = dracut_args + ["--add", "system-upgrade convertfs"]
            treebuilder.rebuild_initrds(add_args=upgrade_args, prefix="upgrade")

        logger.info("populating output tree and building boot images")
        treebuilder.build()

        # write .treeinfo file and we're done
        treeinfo = TreeInfo(self.product.name, self.product.version,
                            self.product.variant, self.arch.basearch)
        for section, data in treebuilder.treeinfo_data.items():
            treeinfo.add_section(section, data)
        treeinfo.write(joinpaths(self.outputdir, ".treeinfo"))

        # cleanup
        if remove_temp:
            remove(self.workdir)
示例#16
0
    def isDisc(self, device):
        if DiscInfo.isDisc(self, device) != 2:
            return 0

        return 1