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The error is not global since we don't use "from os import *", so it
should be os.error.
[YOCTO #4489]
(From OE-Core rev: ac0e2781c2723257bd380cac170d4c8b97e36747)
Signed-off-by: Robert Yang <liezhi.yang@windriver.com>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>
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Update older code to use modern exception handling syntax which
is the form accepted by python 3.
(From OE-Core rev: b010501cd089e649a68f683be0cf4d0aac90fbe3)
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>
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Currently, various standard library operations like os.walk(),
os.path.isdir() and os.path.islink() each call stat or lstat which
involves a syscall into the kernel. There is no caching since they could
conceivably have changed on disk. The result is that for something like
the do_package task of the kernel we're spending over two minutes making
868,000 individual stat calls for 23,000 files. This is suboptimal.
This patch adds lib/oe/cachedpath.py which are a set of replacement
functions for these operations which use cached stat data rather than
hitting the kernel each time. It gives a nice performance improvement
halving the build time of the kernel do_package.
(From OE-Core rev: 556dee0c4d6d8a87c0cddbd2f60fe5917d009f18)
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>
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