[bitbake-devel] [OE-core] [PATCH] codeparser: Use hashlib for hashing, not hash()

[Christopher Larson]

On Fri, Jun 3, 2016 at 5:38 AM, Richard Purdie <
richard.purdie at linuxfoundation.org> wrote:

> "hash() is randomised by default each time you start a new instance of
> recent
> versions (Python3.3+) to prevent dictionary insertion DOS attacks"
>
> which means we need to use hashlib.md5 to get consistent values for
> the codeparser cache under python 3. Prior to this, the codeparser
> cache was effectively useless under python3 as shown by performance
> regressions.
>
> Signed-off-by: Richard Purdie <richard.purdie at linuxfoundation.org>
>

Looks good to me, I was actually wondering about the hashing mechanisms
just yesterday. Are the sstate checksums stable between python 2 and python
3?
-- 
Christopher Larson
clarson at kergoth dot com
Founder - BitBake, OpenEmbedded, OpenZaurus
Maintainer - Tslib
Senior Software Engineer, Mentor Graphics
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