from paddle.trainer.PyDataProvider2 import provider, integer_sequence, integer_value import random def init_hook(settings, is_train, **kwargs): settings.is_train = is_train @provider( input_types={'word_ids': integer_value(65536), 'label': integer_value(10)}, min_pool_size=0, init_hook=init_hook) def process(settings, filename): if settings.is_train: data_size = 2**20 else: data_size = 2**10 for _ in xrange(data_size): yield random.randint(0, 65535), random.randint(0, 9)