def test_dir_empty(self):
tmpdir = mkdtemp()
try:
subdir = mkdtemp(dir=tmpdir)
assert not fs.dir_empty(tmpdir)
assert fs.dir_empty(subdir)
finally:
shutil.rmtree(tmpdir)
def test_dir_empty_err(self):
def _mock_os_listdir(path):
raise OSError(13, "foo")
with patch("os.listdir", _mock_os_listdir):
try:
fs.dir_empty("/tmp")
except GlusterFileSystemOSError:
pass
else:
self.fail("GlusterFileSystemOSError exception expected")
def test_dir_empty_notdir(self):
fd, tmpfile = mkstemp()
try:
try:
fs.dir_empty(tmpfile)
except NotDirectoryError:
pass
else:
self.fail("NotDirectoryError exception expected")
finally:
os.close(fd)
os.unlink(tmpfile)
def test_dir_empty_notfound(self):
try:
assert fs.dir_empty(os.path.join('/tmp', str(random.random())))
except FileOrDirNotFoundError:
pass
else:
self.fail("FileOrDirNotFoundError exception expected")
def empty(self):
# If it does not exist, then it is empty. A value of True is
# what is expected by OpenStack Swift when the directory does
# not exist. Check swift/common/db.py:ContainerBroker.empty()
# and swift/container/server.py:ContainerController.DELETE()
# for more information
try:
return dir_empty(self.datadir)
except FileOrDirNotFoundError:
return True
def test_dir_empty_err(self):
try:
try:
assert fs.dir_empty(os.path.join('/tmp', str(random.random())))
except FileOrDirNotFoundError:
pass
else:
self.fail("FileOrDirNotFoundError exception expected")
fd, tmpfile = mkstemp()
try:
fs.dir_empty(tmpfile)
except NotDirectoryError:
pass
else:
self.fail("NotDirectoryError exception expected")
finally:
os.close(fd)
os.unlink(tmpfile)
def empty(self):
# If it does not exist, then it is empty. A value of True is
# what is expected by OpenStack Swift when the directory does
# not exist. Check swift/common/db.py:ContainerBroker.empty()
# and swift/container/server.py:ContainerController.DELETE()
# for more information
try:
return dir_empty(self.datadir)
except FileOrDirNotFoundError:
return True
def delete_db(self, timestamp):
"""
Delete the container (directory) if empty.
:param timestamp: delete timestamp
"""
try:
if not dir_empty(self.datadir):
# FIXME: This is a failure condition here, isn't it?
return
except FileOrDirNotFoundError:
return
rmdirs(self.datadir)
def rmobjdir(dir_path):
"""
Removes the directory as long as there are
no objects stored in it. This works for containers also.
"""
try:
if dir_empty(dir_path):
rmdirs(dir_path)
return True
except FileOrDirNotFoundError:
# No such directory exists
return False
for (path, dirs, files) in do_walk(dir_path, topdown=False):
for directory in dirs:
fullpath = os.path.join(path, directory)
metadata = read_metadata(fullpath)
if not dir_is_object(metadata):
# Directory is not an object created by the caller
# so we can go ahead and delete it.
try:
if dir_empty(fullpath):
rmdirs(fullpath)
else:
# Non-object dir is not empty!
return False
except FileOrDirNotFoundError:
# No such dir!
return False
else:
# Wait, this is an object created by the caller
# We cannot delete
return False
rmdirs(dir_path)
return True
def empty(self):
try:
return dir_empty(self.datadir)
except FileOrDirNotFoundError:
return True