def fs_rmdir(self, path):
'''
Removes a directory
Args:
path (str): Path to remove.
Examples:
Remove a directory::
axon.fs_rmdir('/mydir')
Returns:
None
Raises:
NoSuchEntity: If the path does not exist.
NotEmpty: If the path is not empty.
'''
tufo = self.core.getTufoByProp('axon:path', path)
if not tufo:
raise s_common.NoSuchEntity()
nlinks = tufo[1].get('axon:path:st_nlink')
if nlinks != 2:
raise s_common.NotEmpty()
parent = tufo[1].get('axon:path:dir')
if parent:
parentfo = self.core.getTufoByProp('axon:path', parent)
self.core.incTufoProp(parentfo, 'st_nlink', -1)
self.core.delTufo(tufo)
def fs_rename(self, src, dst):
'''
Renames a file.
Example:
axon.fs_rename('/myfile', '/mycoolerfile')
'''
_, srcprops = self.core.getPropNorm('axon:path', src)
srcppath, srcfname = srcprops.get('dir'), srcprops.get('base')
_, dstprops = self.core.getPropNorm('axon:path', dst)
dstppath, dstfname = dstprops.get('dir'), dstprops.get('base')
with self.flock:
srcfo = self.core.getTufoByProp('axon:path', src)
if not srcfo:
raise s_common.NoSuchEntity()
src_isdir = Axon._fs_isdir(srcfo[1].get('axon:path:st_mode'))
psrcfo = self.core.getTufoByProp('axon:path', srcppath)
if not (psrcfo and Axon._fs_isdir(psrcfo[1].get('axon:path:st_mode'))):
raise s_common.NoSuchDir()
pdstfo = self.core.getTufoByProp('axon:path', dstppath)
if not (pdstfo and Axon._fs_isdir(pdstfo[1].get('axon:path:st_mode'))):
raise s_common.NoSuchDir()
# prepare to set dst props to what src props were
dstprops = Axon._get_renameprops(srcfo)
dstprops.update({'dir': dstppath})
# create or update the dstfo node
dstfo = self.core.formTufoByProp('axon:path', dst, **dstprops)
dst_isdir = Axon._fs_isdir(dstfo[1].get('axon:path:st_mode'))
dst_isemptydir = dstfo[1].get('axon:path:st_nlink', -1) == 2
dstfo_isnew = dstfo[1].get('.new')
if dst_isdir and not dst_isemptydir and not dstfo_isnew:
raise s_common.NotEmpty()
# all pre-checks complete
if dstfo_isnew:
# if a new file was created, increment its parents link count ??
self.core.incTufoProp(pdstfo, 'st_nlink', 1)
else:
# Now update dstfo props
self.core.setTufoProps(dstfo, **dstprops)
# if overwriting a regular file with a dir, remove its st_size
if src_isdir:
self.core.delRowsByIdProp(dstfo[0], 'axon:path:st_size')
self._fs_reroot_kids(src, dst)
# Remove src and decrement its parent's link count
self.core.delTufo(srcfo)
self.core.incTufoProp(psrcfo, 'st_nlink', -1)
def fs_rmdir(self, path):
'''
Removes a directory.
Example:
axon.fs_rmdir('/mydir')
'''
tufo = self.core.getTufoByProp('axon:path', path)
if not tufo:
raise s_common.NoSuchEntity()
nlinks = tufo[1].get('axon:path:st_nlink')
if nlinks != 2:
raise s_common.NotEmpty()
parent = tufo[1].get('axon:path:dir')
if parent:
parentfo = self.core.getTufoByProp('axon:path', parent)
self.core.incTufoProp(parentfo, 'st_nlink', -1)
self.core.delTufo(tufo)