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from __future__ import absolute_import
from kafka.errors import IllegalArgumentError
class NewTopic(object):
""" A class for new topic creation
Arguments:
name (string): name of the topic
num_partitions (int): number of partitions
or -1 if replica_assignment has been specified
replication_factor (int): replication factor or -1 if
replica assignment is specified
replica_assignment (dict of int: [int]): A mapping containing
partition id and replicas to assign to it.
topic_configs (dict of str: str): A mapping of config key
and value for the topic.
"""
def __init__(
self,
name,
num_partitions,
replication_factor,
replica_assignments=None,
topic_configs=None,
):
if not (num_partitions == -1 or replication_factor == -1) ^ (replica_assignments is None):
raise IllegalArgumentError('either num_partitions/replication_factor or replica_assignment must be specified')
self.name = name
self.num_partitions = num_partitions
self.replication_factor = replication_factor
self.replica_assignments = replica_assignments or {}
self.topic_configs = topic_configs or {}
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