def __init__(self,
allow_writes,
node_size,
codec,
dirname=None,
upload_max=1024,
lru_size=500,
vfs=None,
format=None):
tracing.trace('new NodeStoreDisk: %s', dirname)
assert dirname is not None
if format is not None:
tracing.trace('forcing format_base: %s', format)
self.format_base = format
larch.NodeStore.__init__(self,
allow_writes=allow_writes,
node_size=node_size,
codec=codec)
self.dirname = dirname
self.metadata_name = os.path.join(dirname, 'metadata')
self.metadata = None
self.rs = larch.RefcountStore(self)
self.cache_size = lru_size
self.cache = larch.LRUCache(self.cache_size)
self.upload_max = upload_max
self.upload_queue = larch.UploadQueue(self._really_put_node,
self.upload_max)
self.vfs = vfs if vfs != None else LocalFS()
self.journal = larch.Journal(allow_writes, self.vfs, dirname)
self.idpath = larch.IdPath(os.path.join(dirname, self.nodedir),
DIR_DEPTH, DIR_BITS, DIR_SKIP)
def test_partial_commit_finished_by_new_instance(self):
filename = self.join('foo/bar')
metadata = self.join('metadata')
self.j.overwrite_file(filename, 'bar')
self.j.overwrite_file(metadata, '')
self.j.commit(skip=[filename])
j2 = larch.Journal(True, self.fs, self.tempdir)
self.assertTrue(j2.exists(filename))
def setUp(self):
self.tempdir = tempfile.mkdtemp()
self.fs = larch.LocalFS()
self.j = larch.Journal(True, self.fs, self.tempdir)
def test_unflagged_commit_means_new_instance_rollbacks(self):
filename = self.join('foo/bar')
self.j.overwrite_file(filename, 'bar')
j2 = larch.Journal(True, self.fs, self.tempdir)
self.assertFalse(j2.exists(filename))