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Lu Xu
slapos
Commits
00ebaac8
Commit
00ebaac8
authored
Jan 19, 2024
by
Jérome Perrin
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librecipe/inotify: fallback to polling when adding inotify watch fail
parent
ea0e89b8
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16 additions
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+16
-2
slapos/recipe/librecipe/inotify.py
slapos/recipe/librecipe/inotify.py
+16
-2
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slapos/recipe/librecipe/inotify.py
View file @
00ebaac8
...
...
@@ -24,9 +24,14 @@
# Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
#
##############################################################################
import
logging
import
os
import
time
from
inotify_simple
import
INotify
,
flags
logger
=
logging
.
getLogger
(
__name__
)
def
subfiles
(
directory
):
"""Return the list of subfiles of a directory, and wait for the newly created
ones.
...
...
@@ -35,10 +40,19 @@ def subfiles(directory):
ALWAYS ITERATE OVER IT !!!*"""
with
INotify
()
as
inotify
:
inotify
.
add_watch
(
directory
,
flags
.
CLOSE_WRITE
|
flags
.
MOVED_TO
)
try
:
inotify
.
add_watch
(
directory
,
flags
.
CLOSE_WRITE
|
flags
.
MOVED_TO
)
inotify_available
=
True
except
OSError
:
logger
.
warning
(
"Unable to add inotify watch, falling back to polling"
)
inotify_available
=
False
names
=
os
.
listdir
(
directory
)
while
True
:
for
name
in
names
:
yield
os
.
path
.
join
(
directory
,
name
)
names
=
(
event
.
name
for
event
in
inotify
.
read
())
if
inotify_available
:
names
=
(
event
.
name
for
event
in
inotify
.
read
())
else
:
time
.
sleep
(
5
)
names
=
os
.
listdir
(
directory
)
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