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Refactor/Duplicate code: Extract _fsync method

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This commit is contained in:
Unrud 2016-09-04 13:08:12 +02:00
parent 77e9ca1252
commit dc501d5dc5
1 changed files with 11 additions and 16 deletions
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27
radicale/storage.py
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@ -394,11 +394,7 @@ class Collection(BaseCollection):
delete=False, prefix=".Radicale.tmp-", newline=newline)
try:
yield tmp
if self.configuration.getboolean("storage", "fsync"):
if os.name == "posix" and hasattr(fcntl, "F_FULLFSYNC"):
fcntl.fcntl(tmp.fileno(), fcntl.F_FULLFSYNC)
else:
os.fsync(tmp.fileno())
self._fsync(tmp.fileno())
tmp.close()
os.replace(tmp.name, path)
except:
@ -416,6 +412,14 @@ class Collection(BaseCollection):
return file_name
raise FileExistsError(errno.EEXIST, "No usable file name found")
@classmethod
def _fsync(cls, fd):
if cls.configuration.getboolean("storage", "fsync"):
if os.name == "posix" and hasattr(fcntl, "F_FULLFSYNC"):
fcntl.fcntl(fd, fcntl.F_FULLFSYNC)
else:
os.fsync(fd)
@classmethod
def _sync_directory(cls, path):
"""Sync directory to disk.
@ -428,10 +432,7 @@ class Collection(BaseCollection):
if os.name == "posix":
fd = os.open(path, 0)
try:
if hasattr(fcntl, "F_FULLFSYNC"):
fcntl.fcntl(fd, fcntl.F_FULLFSYNC)
else:
os.fsync(fd)
cls._fsync(fd)
finally:
os.close(fd)
@ -586,15 +587,9 @@ class Collection(BaseCollection):
path = path_to_filesystem(self._filesystem_path, href)
fs.append(open(path, "w", encoding=self.encoding, newline=""))
fs[-1].write(item.serialize())
fsync_fn = lambda fd: None
if self.configuration.getboolean("storage", "fsync"):
if os.name == "posix" and hasattr(fcntl, "F_FULLFSYNC"):
fsync_fn = lambda fd: fcntl.fcntl(fd, fcntl.F_FULLFSYNC)
else:
fsync_fn = os.fsync
# sync everything at once because it's slightly faster.
for f in fs:
fsync_fn(f.fileno())
self._fsync(f.fileno())
f.close()
self._sync_directory(self._filesystem_path)