def test_do_walk(self):
# create directory structure
tmpparent = mkdtemp()
try:
tmpdirs = []
tmpfiles = []
for i in range(5):
tmpdirs.append(
mkdtemp(dir=tmpparent).rsplit(os.path.sep, 1)[1])
tmpfiles.append(
mkstemp(dir=tmpparent)[1].rsplit(os.path.sep, 1)[1])
for path, dirnames, filenames in fs.do_walk(tmpparent):
assert path == tmpparent
assert dirnames.sort() == tmpdirs.sort()
assert filenames.sort() == tmpfiles.sort()
break
finally:
shutil.rmtree(tmpparent)
def rmobjdir(dir_path):
"""
Removes the directory as long as there are no objects stored in it. This
works for containers also.
"""
try:
do_rmdir(dir_path)
except OSError as err:
if err.errno == errno.ENOENT:
# No such directory exists
return False
if err.errno != errno.ENOTEMPTY:
raise
# Handle this non-empty directories below.
else:
return True
# We have a directory that is not empty, walk it to see if it is filled
# with empty sub-directories that are not user created objects
# (gratuitously created as a result of other object creations).
for (path, dirs, files) in do_walk(dir_path, topdown=False):
for directory in dirs:
fullpath = os.path.join(path, directory)
try:
metadata = read_metadata(fullpath)
except IOError as err:
if err.errno == errno.ENOENT:
# Ignore removal from another entity.
continue
raise
else:
if dir_is_object(metadata):
# Wait, this is an object created by the caller
# We cannot delete
return False
# Directory is not an object created by the caller
# so we can go ahead and delete it.
try:
do_rmdir(fullpath)
except OSError as err:
if err.errno == errno.ENOTEMPTY:
# Directory is not empty, it might have objects in it
return False
if err.errno == errno.ENOENT:
# No such directory exists, already removed, ignore
continue
raise
try:
do_rmdir(dir_path)
except OSError as err:
if err.errno == errno.ENOTEMPTY:
# Directory is not empty, race with object creation
return False
if err.errno == errno.ENOENT:
# No such directory exists, already removed, ignore
return True
raise
else:
return True