Add proper handling of multiple environments
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@ -433,7 +433,6 @@ class BaseReinforcementLearningModel(IFreqaiModel):
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def make_env(MyRLEnv: Type[gym.Env], env_id: str, rank: int,
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seed: int, train_df: DataFrame, price: DataFrame,
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monitor: bool = False,
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env_info: Dict[str, Any] = {}) -> Callable:
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"""
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Utility function for multiprocessed env.
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@ -450,8 +449,7 @@ def make_env(MyRLEnv: Type[gym.Env], env_id: str, rank: int,
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env = MyRLEnv(df=train_df, prices=price, id=env_id, seed=seed + rank,
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**env_info)
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if monitor:
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env = Monitor(env)
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return env
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set_random_seed(seed)
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return _init
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@ -4,7 +4,7 @@ from typing import Any, Dict
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from pandas import DataFrame
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from stable_baselines3.common.callbacks import EvalCallback
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from stable_baselines3.common.vec_env import SubprocVecEnv
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from stable_baselines3.common.vec_env import VecMonitor
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from freqtrade.freqai.data_kitchen import FreqaiDataKitchen
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from freqtrade.freqai.prediction_models.ReinforcementLearner import ReinforcementLearner
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from freqtrade.freqai.RL.BaseReinforcementLearningModel import make_env
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@ -41,22 +41,27 @@ class ReinforcementLearner_multiproc(ReinforcementLearner):
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env_info = self.pack_env_dict(dk.pair)
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eval_freq = len(train_df) // self.max_threads
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env_id = "train_env"
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self.train_env = SubprocVecEnv([make_env(self.MyRLEnv, env_id, i, 1,
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self.train_env = VecMonitor(SubprocVecEnv([make_env(self.MyRLEnv, env_id, i, 1,
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train_df, prices_train,
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monitor=True,
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env_info=env_info) for i
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in range(self.max_threads)])
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in range(self.max_threads)]))
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eval_env_id = 'eval_env'
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self.eval_env = SubprocVecEnv([make_env(self.MyRLEnv, eval_env_id, i, 1,
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self.eval_env = VecMonitor(SubprocVecEnv([make_env(self.MyRLEnv, eval_env_id, i, 1,
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test_df, prices_test,
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monitor=True,
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env_info=env_info) for i
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in range(self.max_threads)])
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in range(self.max_threads)]))
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self.eval_callback = EvalCallback(self.eval_env, deterministic=True,
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render=False, eval_freq=len(train_df),
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render=False, eval_freq=eval_freq,
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best_model_save_path=str(dk.data_path))
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# TENSORBOARD CALLBACK DOES NOT RECOMMENDED TO USE WITH MULTIPLE ENVS, IT WILL RETURN FALSE INFORMATIONS, NEVERTHLESS NOT THREAD SAFE WITH SB3!!!
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actions = self.train_env.env_method("get_actions")[0]
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self.tensorboard_callback = TensorboardCallback(verbose=1, actions=actions)
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