class UserInfoMgr(object):
USER_INFO_UPDATE_INTERVAL = 5
def __init__(self, env):
self.env = env
self._user_info = []
self._update_task = gevent.spawn(self._update)
self.file_lock = FileLock(self.env.lock_file())
def user_info(self):
return self._user_info
def _update(self):
while True:
try:
self.file_lock.lock()
f = open(self.env.user_info_file())
s = f.read()
if len(s) != 0:
self._user_info = pickle.loads(s)
f.close()
self.file_lock.unlock()
except IOError:
os.mknod(self.env.lock_file())
time.sleep(UserInfoMgr.USER_INFO_UPDATE_INTERVAL)
class UserInfoExport(object):
def __init__(self, env):
self.env = env
self.lock = FileLock(self.env.lock_file())
def export(self, user_info):
self.lock.lock()
f = open(self.env.user_info_file(), "w")
pickle.dump(user_info, f)
f.close()
self.lock.unlock()