def _get_members(p):
if not p.exists(encoded_group):
raise coordination.GroupNotCreated(group_id)
potential_members = set()
for m in p.hkeys(encoded_group):
m = self._decode_member_id(m)
if m != self.GROUP_EXISTS:
potential_members.add(m)
if not potential_members:
return set()
# Ok now we need to see which members have passed away...
gone_members = set()
member_values = p.mget(
compat_map(self._encode_beat_id, potential_members))
for (potential_member,
value) in compat_zip(potential_members, member_values):
# Always preserve self (just incase we haven't heartbeated
# while this call/s was being made...), this does *not* prevent
# another client from removing this though...
if potential_member == self._member_id:
continue
if not value:
gone_members.add(potential_member)
# Trash all the members that no longer are with us... RIP...
if gone_members:
p.multi()
encoded_gone_members = list(
self._encode_member_id(m) for m in gone_members)
p.hdel(encoded_group, *encoded_gone_members)
p.execute()
return set(m for m in potential_members
if m not in gone_members)
return potential_members
def _get_members(p):
if not p.exists(encoded_group):
raise coordination.GroupNotCreated(group_id)
potential_members = []
for m in p.hkeys(encoded_group):
m = self._decode_member_id(m)
if m != self.GROUP_EXISTS:
potential_members.append(m)
if not potential_members:
return []
# Ok now we need to see which members have passed away...
gone_members = set()
member_values = p.mget(compat_map(self._encode_beat_id,
potential_members))
for (potential_member, value) in compat_zip(potential_members,
member_values):
# Always preserve self (just incase we haven't heartbeated
# while this call/s was being made...), this does *not* prevent
# another client from removing this though...
if potential_member == self._member_id:
continue
if not value:
gone_members.add(potential_member)
# Trash all the members that no longer are with us... RIP...
if gone_members:
p.multi()
encoded_gone_members = list(self._encode_member_id(m)
for m in gone_members)
p.hdel(encoded_group, *encoded_gone_members)
p.execute()
return list(m for m in potential_members
if m not in gone_members)
else:
return potential_members
def get_duplicate_keys(iterable, key=None):
if key is not None:
iterable = compat_map(key, iterable)
keys = set()
duplicates = set()
for item in iterable:
if item in keys:
duplicates.add(item)
keys.add(item)
return duplicates
def get_duplicate_keys(iterable, key=None):
if key is not None:
iterable = compat_map(key, iterable)
keys = set()
duplicates = set()
for item in iterable:
if item in keys:
duplicates.add(item)
keys.add(item)
return duplicates
def execute(self, *args, **kwargs):
l = [kwargs[r] for r in self.requires]
return list(compat_map(self._functor, l))
def execute(self, *args, **kwargs):
l = [kwargs[r] for r in self.requires]
return list(compat_map(self._functor, l))
