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bitbake: utils: add umask changing context manager

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Add a umask context manager which can be used to temporarily change the
umask in a 'with' block.

(Bitbake rev: 6c601e68a27e1c60b04c2a61830d1812cc883e09)

Signed-off-by: Ross Burton <ross.burton@arm.com>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>
This commit is contained in:
Ross Burton 2020-09-28 17:18:58 +01:00 committed by Richard Purdie
parent f6609eebca
commit f3b0d3eeae
1 changed files with 11 additions and 0 deletions
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11
bitbake/lib/bb/utils.py
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@ -944,6 +944,17 @@ def which(path, item, direction = 0, history = False, executable=False):
return "", hist
return ""
@contextmanager
def umask(new_mask):
"""
Context manager to set the umask to a specific mask, and restore it afterwards.
"""
current_mask = os.umask(new_mask)
try:
yield
finally:
os.umask(current_mask)
def to_boolean(string, default=None):
if not string:
return default