diff options
Diffstat (limited to 'scripts/lib/wic/utils/fs_related.py')
| -rw-r--r-- | scripts/lib/wic/utils/fs_related.py | 43 | 
1 files changed, 9 insertions, 34 deletions
diff --git a/scripts/lib/wic/utils/fs_related.py b/scripts/lib/wic/utils/fs_related.py index 2658dcfc20..22aa294fa0 100644 --- a/scripts/lib/wic/utils/fs_related.py +++ b/scripts/lib/wic/utils/fs_related.py  | |||
| @@ -32,47 +32,22 @@ def makedirs(dirname): | |||
| 32 | if err.errno != errno.EEXIST: | 32 | if err.errno != errno.EEXIST: | 
| 33 | raise | 33 | raise | 
| 34 | 34 | ||
| 35 | class Disk: | 35 | class DiskImage(): | 
| 36 | """ | ||
| 37 | Generic base object for a disk. | ||
| 38 | """ | ||
| 39 | def __init__(self, size, device=None): | ||
| 40 | self._device = device | ||
| 41 | self._size = size | ||
| 42 | |||
| 43 | def create(self): | ||
| 44 | pass | ||
| 45 | |||
| 46 | def cleanup(self): | ||
| 47 | pass | ||
| 48 | |||
| 49 | def get_device(self): | ||
| 50 | return self._device | ||
| 51 | def set_device(self, path): | ||
| 52 | self._device = path | ||
| 53 | device = property(get_device, set_device) | ||
| 54 | |||
| 55 | def get_size(self): | ||
| 56 | return self._size | ||
| 57 | size = property(get_size) | ||
| 58 | |||
| 59 | |||
| 60 | class DiskImage(Disk): | ||
| 61 | """ | 36 | """ | 
| 62 | A Disk backed by a file. | 37 | A Disk backed by a file. | 
| 63 | """ | 38 | """ | 
| 64 | def __init__(self, image_file, size): | 39 | def __init__(self, device, size): | 
| 65 | Disk.__init__(self, size) | 40 | self.size = size | 
| 66 | self.image_file = image_file | 41 | self.device = device | 
| 42 | self.created = False | ||
| 67 | 43 | ||
| 68 | def exists(self): | 44 | def exists(self): | 
| 69 | return os.path.exists(self.image_file) | 45 | return os.path.exists(self.device) | 
| 70 | 46 | ||
| 71 | def create(self): | 47 | def create(self): | 
| 72 | if self.device is not None: | 48 | if self.created: | 
| 73 | return | 49 | return | 
| 74 | # create sparse disk image | 50 | # create sparse disk image | 
| 75 | cmd = "truncate %s -s %s" % (self.image_file, self.size) | 51 | cmd = "truncate %s -s %s" % (self.device, self.size) | 
| 76 | exec_cmd(cmd) | 52 | exec_cmd(cmd) | 
| 77 | 53 | self.created = True | |
| 78 | self.device = self.image_file | ||
