pandas.errors.ClosedFileError

exception pandas.errors.ClosedFileError

Exception is raised when trying to perform an operation on a closed HDFStore file.

ClosedFileError is specific to operations on HDFStore objects. Once an HDFStore is closed, its resources are no longer available, and any further attempt to access data or perform file operations will raise this exception.

See also

HDFStore.close

Closes the PyTables file handle.

HDFStore.open

Opens the file in the specified mode.

HDFStore.is_open

Returns a boolean indicating whether the file is open.

Examples

>>> store = pd.HDFStore("my-store", "a")  
>>> store.close()  
>>> store.keys()  
... # ClosedFileError: my-store file is not open!