__init__(self, file, cache=None, open_kwargs=None, allowed_keys=None, omitted_keys=None): 

load_cache(self): 

__enter__(self): 

__exit__(self, exc_type, exc_val, exc_tb): 

dump(self): 

Writes the entire data structure

• :returns: _

convert(self): 

Converts the cache to an exportable form if needed

• :returns: _

open_checkpoint_file(self, chk): 

Opens the passed checkpoint_file (if not already open)

• chk: Any

• :returns: _

close_checkpoint_file(self, stream): 

Closes the opened checkpointing stream

• stream: Any

• :returns: _

save_parameter(self, key, value): 

Saves a parameter to the checkpoint file

• key: Any

• value: Any

• :returns: _

load_parameter(self, key): 

Loads a parameter from the checkpoint file

• key: Any

• :returns: _

keys(self):