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Use an atomic open for tdir-lock on windows

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Kovid Goyal 2018-01-27 23:42:47 +05:30
parent ae6b9c9454
commit 117cd4ee13
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1 changed files with 5 additions and 3 deletions
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8
src/calibre/ptempfile.py
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@ -294,19 +294,21 @@ def better_mktemp(*args, **kwargs):
return path return path
TDIR_LOCK = 'tdir-lock' TDIR_LOCK = u'tdir-lock'
if iswindows: if iswindows:
def lock_tdir(path): def lock_tdir(path):
return lopen(os.path.join(path, TDIR_LOCK), 'wb') from calibre.utils.lock import windows_open
return windows_open(os.path.join(path, TDIR_LOCK))
def remove_tdir(path, lock_file): def remove_tdir(path, lock_file):
lock_file.close() lock_file.close()
remove_dir(path) remove_dir(path)
def is_tdir_locked(path): def is_tdir_locked(path):
from calibre.utils.lock import windows_open
try: try:
with lopen(os.path.join(path, TDIR_LOCK), 'wb'): with windows_open(os.path.join(path, TDIR_LOCK)):
pass pass
except EnvironmentError: except EnvironmentError:
return True return True