Python library for interacting with the file system
Disk is a Python library for interacting with the file system in an object oriented manner. I know you can use os and os.path to do all of these but I find their usage hard to remember and true to object oriented principles.
You can use pip to install Disk:
pip install disk
All files and directories (folders) are considered Path objects. Any path except the root, has a parent: the directory it is in. Directories have children, some of them are files and some are subdirectories.
The Path object points to an existing or non-existing file or directory.
from disk import Path path = Path('C:\\')
Usually we want to start in the current working directory:
path = Path.get_current_directory()
list, dir, ls
All of the above methods do the same thing; ls is for linux people, dir is for windows people, and list is for literal people.
To get the sub-directories of a directory use the directories attribute which returns a list of Paths:
subdirectories = path.directories
To get the files inside a directory use the files attribute which returns a list of Paths:
files = path.files
The parent directory is the directory a Path (either file or directory) is inside of.
parent_directory = path.parent_directory
To create a new directory inside a Path that is also a directory, use make_directory with the name of the new directory as the name argument:
You can also create a directory at the location of the Path object by letting the name argument take its default value of None:
Sometimes you need to create a new file at a Path that doesn't already exist, i.e. the directory of the file location doesn't exist. This is when make_parent_directory becomes handy:
The default value of ignore_if_exists is True.
The delete function moves a file or directory to the trash. If the name argument is provided the file or directory inside the Path with that name will be deleted:
If the name argument is not provided the file or directory the Path points to will be deleted:
To save a Python object as a Pickle file using the pickle or dill library you can just use the save function of the Path which saves the object right at the location of Path.
my_list = [1, 2, 3] Path('my_list.pickle').save(my_list, method='pickle') Path('my_list.dill').save(my_list, method='dill')
To load an object from a Pickle file located at a Path you can run the load function of the Path.
list_from_pickle = Path('my_list.pickle').load(method='pickle') list_from_dill = Path('my_list.dill').load(method='dill')
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