def run_watchers(self, timeout=None):
if timeout is not None:
started_at = _now()
result = []
for group_id in self.get_groups().get(timeout=timeout):
leftover_timeout = None
if timeout is not None:
elapsed = max(0.0, _now() - started_at)
leftover_timeout = timeout - elapsed
try:
group_members = self.get_members(group_id).get(
timeout=leftover_timeout)
except coordination.GroupNotCreated:
group_members = set()
else:
group_members = set(group_members)
# I was booted out...
#
# TODO(harlowja): perhaps we should have a way to notify
# watchers that this has happened (the below mechanism will
# also do this, but it might be better to have a separate
# way when 'self' membership is lost)?
if (group_id in self._joined_groups and
self._member_id not in group_members):
self._joined_groups.discard(group_id)
old_group_members = self._group_members.get(group_id, set())
for member_id in (group_members - old_group_members):
result.extend(
self._hooks_join_group[group_id].run(
coordination.MemberJoinedGroup(group_id,
member_id)))
for member_id in (old_group_members - group_members):
result.extend(
self._hooks_leave_group[group_id].run(
coordination.MemberLeftGroup(group_id,
member_id)))
self._group_members[group_id] = group_members
return result
def init(cls, **kwargs):
start = _now()
return cls(start)
def __str__(self):
ret = _now() - self.start
ret = TIMER.enumerate(ret)
return TIMER._str(**ret)
def new_seed():
result = _array('c', str(_now()))
for i in range(0, _randint(10, 20)):
result.append(chr(_randint(0, 255)))
return _MD5(result.tostring()).hexdigest().lower()
def new_seed():
result = _array('c',str(_now()))
for i in range(0,_randint(10,20)):
result.append(chr(_randint(0,255)))
return _MD5(result.tostring()).hexdigest().lower()
