* Clear the object contents (invalidates the object)
"""
+
+ __slots__ = ("_stale", "_poll", "_last_update", "_atime", "_poll_time", "use_count",
+ "ref_count", "dead", "cache_size", "cache_uuid", "allow_attr_cache")
+
def __init__(self):
self._stale = True
self._poll = False
self.dead = False
self.cache_size = 0
self.cache_uuid = None
+
+ # Can the kernel cache attributes?
self.allow_attr_cache = True
- self.allow_dirent_cache = True
def invalidate(self):
"""Indicate that object contents should be refreshed from source."""
def child_event(self, ev):
pass
+
+ def time_to_next_poll(self):
+ if self._poll:
+ t = (self._last_update + self._poll_time) - self._atime
+ if t < 0:
+ return 0
+ else:
+ return t
+ else:
+ return self._poll_time