pandas.HDFStore.groups — pandas 3.0.0.dev0+2104.ge637b4290d documentation (original) (raw)

HDFStore.groups()[source]#

Return a list of all the top-level nodes.

Each node returned is not a pandas storage object.

Returns:

list

List of objects.

See also

HDFStore.get_node

Returns the node with the key.

Examples

df = pd.DataFrame([[1, 2], [3, 4]], columns=["A", "B"]) store = pd.HDFStore("store.h5", "w")
store.put("data", df)
print(store.groups())
store.close()
[/data (Group) '' children := ['axis0' (Array), 'axis1' (Array), 'block0_values' (Array), 'block0_items' (Array)]]