ceph/src/pybind/mgr/rest/app/util.py

   1 import datetime
   2
   3 from dateutil import tz
   4
   5
   6 def now():
   7     """
   8     A tz-aware now
   9     """
  10     return datetime.datetime.utcnow().replace(tzinfo=tz.tzutc())
  11
  12
  13 def memoize(function):
  14     def wrapper(*args):
  15         self = args[0]
  16         if not hasattr(self, "_memo"):
  17             self._memo = {}
  18
  19         if args in self._memo:
  20             return self._memo[args]
  21         else:
  22             rv = function(*args)
  23             self._memo[args] = rv
  24             return rv
  25     return wrapper