import qlib from qlib.model.trainer import task_train from qlib.workflow.task.update import ModelUpdater from qlib.config import REG_CN import fire data_handler_config = { "start_time": "2008-01-01", "end_time": "2020-08-01", "fit_start_time": "2008-01-01", "fit_end_time": "2014-12-31", "instruments": "csi100", } task = { "model": { "class": "LGBModel", "module_path": "qlib.contrib.model.gbdt", "kwargs": { "loss": "mse", "colsample_bytree": 0.8879, "learning_rate": 0.0421, "subsample": 0.8789, "lambda_l1": 205.6999, "lambda_l2": 580.9768, "max_depth": 8, "num_leaves": 210, "num_threads": 20, }, }, "dataset": { "class": "DatasetH", "module_path": "qlib.data.dataset", "kwargs": { "handler": { "class": "Alpha158", "module_path": "qlib.contrib.data.handler", "kwargs": data_handler_config, }, "segments": { "train": ("2008-01-01", "2014-12-31"), "valid": ("2015-01-01", "2016-12-31"), "test": ("2017-01-01", "2020-08-01"), }, }, }, "record": {"class": "SignalRecord", "module_path": "qlib.workflow.record_temp",}, } provider_uri = "~/.qlib/qlib_data/cn_data" # target_dir def first_train(experiment_name="online_svr"): qlib.init(provider_uri=provider_uri, region=REG_CN) model_updater = ModelUpdater(experiment_name) rid = task_train(task_config=task, experiment_name=experiment_name) model_updater.reset_online_model(rid) def update_online_pred(experiment_name="online_svr"): qlib.init(provider_uri=provider_uri, region=REG_CN) model_updater = ModelUpdater(experiment_name) print("Here are the online models waiting for update:") for rid, rec in model_updater.list_online_model().items(): print(rid) model_updater.update_online_pred() if __name__ == '__main__': fire.Fire() # to train a model and set it to online model, use the command below # python update_online_pred.py first_train # to update online predictions once a day, use the command below # python update_online_pred.py update_online_pred