def read_hdf5_metadata(key: str, store: pd.HDFStore) -> dict:
node = store.get_node(key)
metadata = {}
for attr_key in set(
node._v_attrs.__dict__.keys()) - set(_RESERVED_ATTRIBUTES):
metadata[attr_key] = node._f_getattr(attr_key)
return metadata
def get_children_paths(self, node_path):
s = HDFStore(self.path)
node = s.get_node(node_path)
children = []
for child, df in node._v_children.items():
children.append(df._v_pathname)
s.close()
return children
def get_children_paths(self, node_path):
s = HDFStore(self.path)
node = s.get_node(node_path)
children = []
for child, df in node._v_children.items():
children.append(df._v_pathname)
s.close()
return children
def _get_or_create_node(key: str, store: pd.HDFStore) -> tables.Node:
node = None
# Get the node
try:
node = store.get_node(key)
except tables.exceptions.NoSuchNodeError as e:
logger.warning("Got error: %s", e)
# Create the node
if node is None:
if not key.startswith('/'):
key = '/' + key
node = _create_node(key, store)
assert node is not None
return node
def removeDataFrame(dfName):
dbName = 'db.h5'
s = HDFStore(dbName)
if s.get_node(dfName):
s.remove(dfName)
s.close()
