def _FlushToDisk(self):
if self.readOnly or not self.filename:
return
s = self._GetSaveStr()
try:
blue.AtomicFileWrite(self.filename, s)
except Exception:
L.error('Failed writing %s, switching to read-only', self.filename)
self.readOnly = True
def _WriterThreadFunc(self):
if self._dirty:
self._dirty = False
fn = blue.paths.ResolvePathForWriting(self._filepath)
try:
if os.access(fn, os.F_OK) and not os.access(fn, os.W_OK):
os.chmod(fn, 438)
k = yaml.dump(self.datastore, Dumper=yaml.CSafeDumper)
blue.AtomicFileWrite(fn, k)
except Exception as e:
log.LogError('Failed writing to disk', str(self), '-', repr(e))
def WriteToDisk(self):
if self._dirty:
self._dirty = False
fn = blue.paths.ResolvePathForWriting(self._filepath)
try:
if os.access(fn, os.F_OK) and not os.access(fn, os.W_OK):
os.chmod(fn, 438)
k = blue.marshal.Save(self.datastore)
blue.AtomicFileWrite(fn, k)
except Exception as e:
log.LogError('Failed writing to disk', str(self), '-', repr(e))
def __FlushCache(self, yieldFirst):
if yieldFirst:
blue.pyos.synchro.Yield()
while self.lastChange:
flushWhat, lastChange = self.lastChange.items()[0]
del self.lastChange[flushWhat]
what, key = flushWhat
filename = self.cachePath + what + '/%s.cache' % self.KeyToFileName(
key)
if os.access(filename,
os.F_OK) and not os.access(filename, os.W_OK):
try:
os.chmod(filename, 666)
except StandardError:
self.LogWarn(
'Failed to reset access priviledges on file from file system (',
filename, ')')
sys.exc_clear()
try:
store = getattr(self, what)
if key not in store:
try:
os.unlink(filename)
self.LogInfo('Deleted ', key, ' from file system (',
filename, ')')
except StandardError as e:
self.LogWarn(
'Failed to delete file from file system (',
filename, '):', e)
sys.exc_clear()
else:
ob = store[key]
if not isinstance(ob, uthread.Semaphore):
blue.AtomicFileWrite(filename,
blue.marshal.Save((key, ob)))
self.LogInfo('Wrote ', key, ' to file (', filename,
')')
self.lastFileWriteTime[self.__KeyFromFileName(
filename)] = os.path.getmtime(filename)
except Exception:
log.LogException('Error while writing cached data')
sys.exc_clear()
def SetVersion(self,
changeID,
branch,
fullFileLock=False,
systemFolderOK=True):
versionData = {
'changeID': changeID,
'branch': branch,
'fullFileLock': fullFileLock,
'systemFolderOK': systemFolderOK
}
if not systemFolderOK:
self._isSystemFolderOK = False
if not self.IsSystemFolderOK():
versionData['systemFolderOK'] = False
fileName = self.GetBulkCachePath() + VERSION_FILENAME
marshalData = blue.marshal.Save(versionData)
blue.AtomicFileWrite(fileName, marshalData)
self._versionData = versionData
def SaveBulkToFile(self, bulkID, value):
fileName = self.GetBulkCachePath() + str(bulkID) + BULK_FILE_EXT
marshalData = blue.marshal.Save(value)
blue.AtomicFileWrite(fileName, marshalData)