tf.keras.utils.get_file()

Action:

Downloads the file from the URL if it is not already in the cache.

By default, files located at the url source are downloaded to cache_dir ~/.keras, placed in the cache_subdir dataset, and given the filename fname.So the final location for the file example.txt is ~/.keras/datasets/example.txt.

Parameters:

tf.keras.utils.get_file(fname=None, # The name of the file.If the absolute path /path/to/file.txt is specified, the file will be saved in that location.If not, the original file name will be used.origin=None, # The origin URL of the file.untar=False, # Deprecated, replaced by the extract parameter.boolean, whether the file should be decompressedmd5_hash=None, # Deprecated, replaced by the file_hash parameter.md5 hash of the file used for verificationfile_hash=None, # Expected hash string for the file after downloading.Both sha256 and md5 hash algorithms are supported.cache_subdir='datasets', # A subdirectory under the Keras cache directory where files are stored.If the absolute path /path/to/folder is specified, the file will be saved in that location.hash_algorithm='auto', # Select the hash algorithm to verify the file.There are "md5", "sha256" and "auto".The default "auto" detects the hash algorithm in use.extract=False, # True Attempt to extract the file as an archive, such as tar or zip.archive_format='auto', # The archive format in which to try to extract the file.There are "auto", "tar", "zip" and "none".'tar' includes tar, tar.gz and tar.bz files.The default 'auto' corresponds to ['tar', 'zip'].None or an empty list will return no match found.cache_dir=None # Where to store cache files, when None defaults to the default directory ~/.keras/.)

Return value

Path to the downloaded filespan>

Example

dataset_path = keras.utils.get_file("auto-mpg.data", "http://archive.ics.uci.edu/ml/machine-learning-databases/auto-mpg/auto-mpg.data")print(dataset_path)

Downloading data from http://archive.ics.uci.edu/ml/machine-learning-databases/auto-mpg/auto-mpg.data32768/30286 [==================================] - 0s 7us/step'C:\\Users\\Wu Caifeng\\.keras\\datasets\\auto-mpg.data'

Main reference: tf.keras.utils.get_file | TensorFlow Core v2.9.1 (google.cn)