pandas.HDFStore.keys#

HDFStore.keys(include='pandas')[source]#

Return a list of keys corresponding to objects stored in HDFStore.

Parameters:

includestr, default ‘pandas’: When kind equals ‘pandas’ return pandas objects. When kind equals ‘native’ return native HDF5 Table objects.

Returns:

list: List of ABSOLUTE path-names (e.g. have the leading ‘/’).

Raises:

raises ValueError if kind has an illegal value

See also

HDFStore.info: Prints detailed information on the store.
HDFStore.get_node: Returns the node with the key.
HDFStore.get_storer: Returns the storer object for a key.

Examples

>>> df = pd.DataFrame([[1, 2], [3, 4]], columns=["A", "B"])
>>> store = pd.HDFStore("store.h5", "w")  
>>> store.put("data", df)  
>>> store.get("data")  
>>> print(store.keys())  
['/data1', '/data2']
>>> store.close()  