def instantiate(self, queue, pair_id, conf, last_checkpoint=''):
"""Instantiate a reader or writer"""
rwtype = rwtypes.get_type(conf['type'])
exec('import %s' % rwtype['module'])
exec('clazz = %s.%s' % (rwtype['module'], rwtype['class']))
return clazz(queue,
conf,
last_checkpoint=last_checkpoint,
thread_name='%s-%s' % (rwtype['class'], pair_id))
def has_known_type(conf):
if get_type(conf['type']) == None:
raise ConfigurationError("Type '%s' is unknown. Check your conf.yaml." % conf['type'])
