Python Filesystem Class

filesystem.py

class Filesystem(object):
    # Represents a Filesystem, with convenience methods to generate the mount command
    BLANK=0x0
    FAT16=0x4
    NTFS=0x7
    EXT=0x83
    LVM=0x8e
    FAT32=0xb
    SWAP=0x82
    VMFS=0xfb

    fs_types = {
            BLANK: 'Blank',
            FAT16: 'FAT16',
            NTFS: 'NTFS',
            EXT: 'Ext2/3',
            LVM: 'LVM',
            FAT32: 'FAT32',
            SWAP: 'Swap',
            VMFS: 'VMware VMFS'}

    def symbolic_type(self):
        if(self.type in self.fs_types):
            return self.fs_types[self.type]
        else:
            return 'Unknown'

    def mount_command(self, target='/mnt', type=None, options=[], use_label=False,as_array=False):
        mount_device = self.device
        if(use_label):
            mlabel = self.label()
            if(len(mlabel) == 0):
                pass
            else:
                mount_device = "LABEL=%s" % mlabel
        mount_options = ""
        if(len(options) > 0):
            mount_options += "-o "
            for o in mount_options:
                mount_options+=s+""
        mount_type = ""
        if(type != None):
            mount_type = "-t %s" % type
        mount_cmd=filter(lambda x: x != "", ["mount", mount_type.strip(), mount_options.strip(), mount_device.strip(), target.strip()])
        if(as_array):
            return mount_cmd
        else:
            return " ".join(mount_cmd)

    def label(self):
        if(self.type == self.EXT):
            # ext3
            label = Popen(['e2label',self.device],stdout=PIPE).communicate()[0]
            if(len(label) > 0):
                label = label.strip()
                return label
        else:
            return ""

    def __init__(self,device,type,size):
        self.device = device
        self.type = int(type,16)
        self.size = size

    def __str__(self):
        return "<Filesystem device='%s' size='%s' type='%s' typel='%s'>" % (self.device,self.size,hex(self.type),self.symbolic_type())