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bpo-45150: Add hashlib.file_digest() for efficient file hashing #31930

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Merged
miss-islington merged 6 commits into from
Mar 22, 2022
Merged

bpo-45150: Add hashlib.file_digest() for efficient file hashing #31930

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71f0401
bpo-45150: Add hashlib.file_digest() for efficient file hashing
tiran Mar 16, 2022
85cee7f
Remove whitespace
tiran Mar 16, 2022
77df20d
Doctests are annoying
tiran Mar 16, 2022
67b8d7f
Address Greg's review comment
tiran Mar 17, 2022
8843102
Write file once
tiran Mar 21, 2022
689e5ec
Remove inner try/finally
tiran Mar 21, 2022
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Remove whitespace
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@tiran
tiran committed Mar 16, 2022
commit 85cee7f698361d69d44a7d26852ced411fd4dfaf
4 changes: 2 additions & 2 deletions Doc/library/hashlib.rst
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Expand Up @@ -255,11 +255,11 @@ a file or file-like object.
...
>>> digest.hexdigest()
... # doctest: +ELLIPSIS

>>> buf = io.BytesIO(b"somedata")
>>> mac1 = hmac.HMAC(b"key", digestmod=hashlib.sha512)
>>> digest = hashlib.file_digest(buf, lambda: mac1)

>>> digest is mac1
True
>>> mac2 = hmac.HMAC(b"key", b"somedata", digestmod=hashlib.sha512)
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