def _get_cached_result(self, filename):
inf = open(filename, 'rb')
# get a lock on the file
portable_locker.lock(inf, portable_locker.LOCK_SH)
expire = cPickle.load(inf)
result = cPickle.load(inf)
# release the lock
portable_locker.unlock(inf)
inf.close()
return (expire, result)
def _get_cached_result(self, filename):
inf = open(filename, 'rb')
# get a lock on the file
portable_locker.lock(inf, portable_locker.LOCK_SH)
expire = cPickle.load(inf)
result = cPickle.load(inf)
# release the lock
portable_locker.unlock(inf)
inf.close()
return (expire, result)
def _save_result(self, filename, *args, **kwds):
result = self.thecallable(*args, **kwds)
# save the serialized result in the file
outf = open(filename, 'w')
# file write lock
portable_locker.lock(outf, portable_locker.LOCK_EX)
cPickle.dump(time.time(), outf)
cPickle.dump(result, outf)
# release the lock
portable_locker.unlock(outf)
outf.close()
return result
def _save_result(self, filename, *args, **kwds):
result = self.thecallable(*args, **kwds)
# save the serialized result in the file
outf = open(filename, 'w')
# file write lock
portable_locker.lock(outf, portable_locker.LOCK_EX)
cPickle.dump(time.time(), outf)
cPickle.dump(result, outf)
# release the lock
portable_locker.unlock(outf)
outf.close()
return result
