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Project description
diskcache-fernet
how to install
$ pip install diskcache-fernet
how to use
from __future__ import annotations
from pathlib import Path
from pickle import UnpicklingError
from tempfile import TemporaryDirectory
from diskcache import Cache
from diskcache_fernet import FernetDisk
def main(temp: Path) -> None:
origin = Cache(temp)
fernet = Cache(temp, disk=FernetDisk)
# or add fernet key
# fernet = Cache(temp, disk=FernetDisk, disk_fernet=b"some fernet key")
fernet["string"] = "value"
fernet["pickle"] = {"key": "value"}
from_fernet_string = fernet["string"]
from_origin_string = origin["string"]
assert from_fernet_string != from_origin_string
assert from_fernet_string == "value"
print(from_origin_string)
# like:
# gAAAAABlGtPWAPEcYLqu6waiUd551H4jfAvQlulWnfwyWTVtjZyF6AkUCVFQKPpIRz9vu29y1FoduIYoK-mOz5CJt0Kx-pv2zQ==
from_fernet_pickle = fernet["pickle"]
assert from_fernet_pickle == {"key": "value"}
try:
origin["pickle"]
except Exception as exc:
assert isinstance(exc, UnpicklingError)
if __name__ == "__main__":
with TemporaryDirectory() as temp:
main(Path(temp))
License
Apache-2.0, see LICENSE.
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diskcache_fernet-0.1.6.tar.gz
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