etc/yt-dlp
0
0
Fork 0
mirror of https://github.com/yt-dlp/yt-dlp.git synced 2024-11-26 02:55:17 +00:00
Code Issues Projects Releases Wiki Activity

[utils] Fix file locking for AOSP (#2714)

Browse source 
Closes #2080, #2670

Authored by: jakeogh
This commit is contained in:
Justin Keogh 2022-03-03 13:09:00 +00:00 committed by GitHub
parent f1d130902b
commit acea8d7cfb
No known key found for this signature in database
GPG key ID: 4AEE18F83AFDEB23
1 changed files with 16 additions and 6 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

12
yt_dlp/utils.py
View file

@ -2141,18 +2141,28 @@ def _unlock_file(f):
raise OSError('Unlocking file failed: %r' % ctypes.FormatError()) raise OSError('Unlocking file failed: %r' % ctypes.FormatError())
else: else:
# Some platforms, such as Jython, is missing fcntl
try: try:
import fcntl import fcntl
def _lock_file(f, exclusive, block): def _lock_file(f, exclusive, block):
try:
fcntl.flock(f, fcntl.flock(f,
fcntl.LOCK_SH if not exclusive fcntl.LOCK_SH if not exclusive
else fcntl.LOCK_EX if block else fcntl.LOCK_EX if block
else fcntl.LOCK_EX | fcntl.LOCK_NB) else fcntl.LOCK_EX | fcntl.LOCK_NB)
except BlockingIOError:
raise
except OSError: # AOSP does not have flock()
fcntl.lockf(f,
fcntl.LOCK_SH if not exclusive
else fcntl.LOCK_EX if block
else fcntl.LOCK_EX | fcntl.LOCK_NB)
def _unlock_file(f): def _unlock_file(f):
try:
fcntl.flock(f, fcntl.LOCK_UN) fcntl.flock(f, fcntl.LOCK_UN)
except OSError:
fcntl.lockf(f, fcntl.LOCK_UN)
except ImportError: except ImportError:
UNSUPPORTED_MSG = 'file locking is not supported on this platform' UNSUPPORTED_MSG = 'file locking is not supported on this platform'