c4dynamics.datasets.clear_cache

c4dynamics.datasets.clear_cache(dataset: str | None = None) → None

Deletes datasets from the local cache.

If a dataset name is provided, the function deletes this alone. Otherwise, clears all the cache.

Parameters:

dataset (str, optional) – The name of the dataset to delete.

Examples

>>> import c4dynamics as c4d
>>> from matplotlib import pyplot as plt
>>> import matplotlib.image as mpimg
>>> import os

Delete a dataset file

>>> # download and verify
>>> impath = c4d.datasets.image('planes')
Fetched successfully
>>> print(os.path.exists(impath))
True
>>> # clear and verify
>>> c4d.datasets.clear_cache('planes')
>>> print(os.path.exists(impath))
False

Clear all

>>> # download all
>>> c4d.datasets.download_all()
Fetched successfully
Fetched successfully
Fetched successfully
Fetched successfully
Fetched successfully
Fetched successfully
Fetched successfully
>>> # clear all and verify
>>> c4d.datasets.clear_cache()
>>> for root, dirs, files in os.walk(CACHE_DIR):
...   for file in files:
...     print(os.path.join(root, file))
...   for dir in dirs:
...     print(os.path.join(root, dir))