def load_serialised_compressed(path: str, title: str) -> Any:
"""Load a serialised object, that was compressed (BZ2 compression).
:param path: the directory path of the serialised file.
:param title: the title of the output file.
:return: the loaded python object.
"""
reader = PickleSerialised()
reader.set(path, title, "bz2")
return reader.load_bz2()
def exists_serialised(path: str, title: str, ext: str) -> bool:
"""Check if the serialised object exists.
:param path: the output directory path.
:param title: the title of the output file.
:param ext: the extension of the output file.
:return: indicates if the file exists.
"""
reader = PickleSerialised()
reader.set(path, title, ext)
return reader.exists()
def size_serialised(path: str, title: str, ext: str) -> int:
"""Check the size of the saved file.
:param path: the directory path of the serialised file.
:param title: the title of the output file.
:param ext: the extension of the output file.
:return: showing stat information of the file.
"""
reader = PickleSerialised()
reader.set(path, title, ext)
return reader.size()
def save_serialised_compressed(path: str, title: str, objects: Any):
"""Serialise the object (Pickle protocol=4), then compress (BZ2 compression).
:param path: the directory path of the serialised file.
:param title: the title of the output file.
:param objects: the object to be saved.
"""
writer = PickleSerialised()
writer.set(path, title, "bz2")
writer.save_bz2(objects)
def save_serialised(path: str, title: str, objects: Any):
"""Serialise the object (Pickle protocol=4), without compression.
:param path: the directory path of the serialised file.
:param title: the title of the output file.
:param objects: the object to be saved.
"""
writer = PickleSerialised()
writer.set(path, title, "pickle")
writer.save(objects)