def move_from_shadow(file_, path):
(shparent, shname) = file_._shadow_name()
node = shparent._f_get_child(shname)
(pname, name) = split_path(path)
parent = file_._get_node(pname)
node._g_move(parent, name)
def move_from_shadow(file_, path):
(shparent, shname) = file_._shadow_name()
node = shparent._f_get_child(shname)
(pname, name) = split_path(path)
parent = file_._get_node(pname)
node._g_move(parent, name)
def _g_set_location(self, parentnode, name):
"""Set location-dependent attributes.
Sets the location-dependent attributes of this node to reflect
that it is placed under the specified `parentnode`, with the
specified `name`.
This also triggers the insertion of file references to this
node. If the maximum recommended tree depth is exceeded, a
`PerformanceWarning` is issued.
"""
file_ = parentnode._v_file
parentdepth = parentnode._v_depth
self._v_file = file_
self._v_isopen = True
root_uep = file_.root_uep
if name.startswith(root_uep):
# This has been called from File._get_node()
assert parentdepth == 0
if root_uep == "/":
self._v_pathname = name
else:
self._v_pathname = name[len(root_uep) :]
_, self._v_name = split_path(name)
self._v_depth = name.count("/") - root_uep.count("/") + 1
else:
# If we enter here is because this has been called elsewhere
self._v_name = name
self._v_pathname = join_path(parentnode._v_pathname, name)
self._v_depth = parentdepth + 1
# Check if the node is too deep in the tree.
if parentdepth >= self._v_maxtreedepth:
warnings.warn(
"""\
node ``%s`` is exceeding the recommended maximum depth (%d);\
be ready to see PyTables asking for *lots* of memory and possibly slow I/O"""
% (self._v_pathname, self._v_maxtreedepth),
PerformanceWarning,
)
if self._v_pathname != "/":
file_._node_manager.cache_node(self, self._v_pathname)
def _g_set_location(self, parentnode, name):
"""Set location-dependent attributes.
Sets the location-dependent attributes of this node to reflect
that it is placed under the specified `parentnode`, with the
specified `name`.
This also triggers the insertion of file references to this
node. If the maximum recommended tree depth is exceeded, a
`PerformanceWarning` is issued.
"""
file_ = parentnode._v_file
parentdepth = parentnode._v_depth
self._v_file = file_
self._v_isopen = True
root_uep = file_.root_uep
if name.startswith(root_uep):
# This has been called from File._get_node()
assert parentdepth == 0
if root_uep == "/":
self._v_pathname = name
else:
self._v_pathname = name[len(root_uep):]
_, self._v_name = split_path(name)
self._v_depth = name.count("/") - root_uep.count("/") + 1
else:
# If we enter here is because this has been called elsewhere
self._v_name = name
self._v_pathname = join_path(parentnode._v_pathname, name)
self._v_depth = parentdepth + 1
# Check if the node is too deep in the tree.
if parentdepth >= self._v_maxtreedepth:
warnings.warn(
"""\
node ``%s`` is exceeding the recommended maximum depth (%d);\
be ready to see PyTables asking for *lots* of memory and possibly slow I/O""" %
(self._v_pathname, self._v_maxtreedepth), PerformanceWarning)
if self._v_pathname != '/':
file_._node_manager.cache_node(self, self._v_pathname)
def redo_move(file_, origpath, destpath):
(destpname, destname) = split_path(destpath)
node = file_._get_node(origpath)
destparent = file_._get_node(destpname)
node._g_move(destparent, destname)
def undo_move(file_, origpath, destpath):
(origpname, origname) = split_path(origpath)
node = file_._get_node(destpath)
origparent = file_._get_node(origpname)
node._g_move(origparent, origname)
def redo_move(file_, origpath, destpath):
(destpname, destname) = split_path(destpath)
node = file_._get_node(origpath)
destparent = file_._get_node(destpname)
node._g_move(destparent, destname)
def undo_move(file_, origpath, destpath):
(origpname, origname) = split_path(origpath)
node = file_._get_node(destpath)
origparent = file_._get_node(origpname)
node._g_move(origparent, origname)
def _g_getparent(self):
(parentpath, nodename) = split_path(self._v_pathname)
return self._v_file._get_node(parentpath)
def _g_getparent(self):
(parentpath, nodename) = split_path(self._v_pathname)
return self._v_file._get_node(parentpath)