def _g_checkOpen(self):
"""Check that the node is open.
If the node is closed, a `ClosedNodeError` is raised.
"""
if not self._v_isopen:
raise ClosedNodeError("the node object is closed")
assert self._v_file.isopen, "found an open node in a closed file"
def __init__(self, node):
"""Create the basic structures to keep the attribute information.
Reads all the HDF5 attributes (if any) on disk for the node "node".
Parameters
----------
node
The parent node
"""
# Refuse to create an instance of an already closed node
if not node._v_isopen:
raise ClosedNodeError("the node for attribute set is closed")
mydict = self.__dict__
self._g_new(node)
mydict["_v__nodefile"] = node._v_file
mydict["_v__nodepath"] = node._v_pathname
mydict["_v_attrnames"] = self._g_list_attr(node)
# The list of unimplemented attribute names
mydict["_v_unimplemented"] = []
# Get the file version format. This is an optimization
# in order to avoid accessing it too much.
try:
format_version = node._v_file.format_version
except AttributeError:
parsed_version = None
else:
if format_version == 'unknown':
parsed_version = None
else:
parsed_version = tuple(map(int, format_version.split('.')))
mydict["_v__format_version"] = parsed_version
# Split the attribute list in system and user lists
mydict["_v_attrnamessys"] = []
mydict["_v_attrnamesuser"] = []
for attr in self._v_attrnames:
# put the attributes on the local dictionary to allow
# tab-completion
self.__getattr__(attr)
if issysattrname(attr):
self._v_attrnamessys.append(attr)
else:
self._v_attrnamesuser.append(attr)
# Sort the attributes
self._v_attrnames.sort()
self._v_attrnamessys.sort()
self._v_attrnamesuser.sort()