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authorRoss Burton <ross@burtonini.com>2020-09-28 17:18:58 +0100
committerRichard Purdie <richard.purdie@linuxfoundation.org>2020-09-30 15:03:30 +0100
commitf3b0d3eeaefa4ecbc1c31406201ebc03e5bf1588 (patch)
treee354f8c5069101339c95ee0475ea55626beca6d0 /bitbake
parentf6609eebca510b298f46074059f1643017166a49 (diff)
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bitbake: utils: add umask changing context manager
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>
Diffstat (limited to 'bitbake')
-rw-r--r--bitbake/lib/bb/utils.py11
1 files changed, 11 insertions, 0 deletions
diff --git a/bitbake/lib/bb/utils.py b/bitbake/lib/bb/utils.py
index 0b79f92e25..f73d31fb73 100644
--- a/bitbake/lib/bb/utils.py
+++ b/bitbake/lib/bb/utils.py
@@ -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