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annotate mercurial/utils/hashutil.py @ 44059:7126d8b8e0e6

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hashutil: new package for hashing-related features Right now this just tries to use our sha1dc and if it's missing (eg a --pure build) we fall back to hashlib. I imagine in the future we'll want some other things in here for detecting what hasher is in use as we transition off sha1. Differential Revision: https://phab.mercurial-scm.org/D7848
author Augie Fackler <augie@google.com>
date Mon, 13 Jan 2020 17:14:19 -0500
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children 521ac0d7047f
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44059
7126d8b8e0e6 hashutil: new package for hashing-related features
Augie Fackler <augie@google.com>
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1 from __future__ import absolute_import
7126d8b8e0e6 hashutil: new package for hashing-related features
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2
7126d8b8e0e6 hashutil: new package for hashing-related features
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3 import hashlib
7126d8b8e0e6 hashutil: new package for hashing-related features
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4
7126d8b8e0e6 hashutil: new package for hashing-related features
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5 try:
7126d8b8e0e6 hashutil: new package for hashing-related features
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6 from ..thirdparty import sha1dc
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7
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8 sha1 = sha1dc.sha1
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9 except (ImportError, AttributeError):
7126d8b8e0e6 hashutil: new package for hashing-related features
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10 sha1 = hashlib.sha1