diff options
Diffstat (limited to 'src/carquinyol/optimizer.py')
| -rw-r--r-- | src/carquinyol/optimizer.py | 11 |
1 files changed, 6 insertions, 5 deletions
diff --git a/src/carquinyol/optimizer.py b/src/carquinyol/optimizer.py index f8a2e3e..6cb1374 100644 --- a/src/carquinyol/optimizer.py +++ b/src/carquinyol/optimizer.py @@ -23,9 +23,11 @@ import gobject from carquinyol import layoutmanager + class Optimizer(object): """Optimizes disk space usage by detecting duplicates and sharing storage. """ + def __init__(self, file_store, metadata_store): self._file_store = file_store self._metadata_store = metadata_store @@ -90,7 +92,7 @@ class Optimizer(object): def _create_checksum_dir(self, checksum): """Create directory that tracks files with this same checksum. - + """ checksums_dir = layoutmanager.get_instance().get_checksums_dir() checksum_path = os.path.join(checksums_dir, checksum) @@ -110,7 +112,7 @@ class Optimizer(object): def _already_linked(self, uid, checksum): """Check if this entry's file is already a hard link to the checksums dir. - + """ checksums_dir = layoutmanager.get_instance().get_checksums_dir() checksum_path = os.path.join(checksums_dir, checksum) @@ -120,7 +122,7 @@ class Optimizer(object): """Process one item in the checksums queue by calculating its checksum, checking if there exist already an identical file, and in that case substituting its file with a hard link to that pre-existing file. - + """ queue_path = layoutmanager.get_instance().get_queue_path() queue = os.listdir(queue_path) @@ -158,9 +160,8 @@ class Optimizer(object): def _calculate_md5sum(self, path): """Calculate the md5 checksum of a given file. - + """ popen = subprocess.Popen(['md5sum', path], stdout=subprocess.PIPE) stdout, stderr_ = popen.communicate() return stdout.split(' ', 1)[0] - |