Delete generate_sequences.py
Browse files- generate_sequences.py +0 -201
generate_sequences.py
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import os
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import numpy as np
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import pickle
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import time
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from agents.orderenforcingwrapper import OrderEnforcingAgent
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from citylearn.citylearn import CityLearnEnv
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"""
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This file is used to generate offline data for a decision transformer.
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Data is saved as pickle file.
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Data structure:
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list(
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dict(
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"observations": nparray(nparray(np.float32)),
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"next_observations": nparray(nparray(np.float32)),
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"actions": nparray(nparray(np.float32)),
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"rewards": nparray(np.oat32),
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"terminals": nparray(np.bool_)
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)
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)
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"""
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class Constants:
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file_to_save = "non.pkl"
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sequence_length = 720
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episodes = 1
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state_dim = 28 # size of state space
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action_dim = 1 # size of action space
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schema_path = './data/citylearn_challenge_2022_phase_1/schema.json'
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def action_space_to_dict(aspace):
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""" Only for box space """
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return {"high": aspace.high,
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"low": aspace.low,
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"shape": aspace.shape,
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"dtype": str(aspace.dtype)
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}
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def env_reset(env):
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observations = env.reset()
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action_space = env.action_space
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observation_space = env.observation_space
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building_info = env.get_building_information()
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building_info = list(building_info.values())
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action_space_dicts = [action_space_to_dict(asp) for asp in action_space]
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observation_space_dicts = [action_space_to_dict(osp) for osp in observation_space]
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obs_dict = {"action_space": action_space_dicts,
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"observation_space": observation_space_dicts,
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"building_info": building_info,
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"observation": observations}
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return obs_dict
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def generate_data():
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print("========================= Start Data Collection ========================")
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env = CityLearnEnv(schema=Constants.schema_path)
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agent = OrderEnforcingAgent()
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dataset = []
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observation_data = []
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next_observation_data = []
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action_data = []
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reward_data = []
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done_data = []
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obs_dict = env_reset(env)
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observations = obs_dict["observation"]
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agent_time_elapsed = 0
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step_start = time.perf_counter()
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actions = agent.register_reset(obs_dict)
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agent_time_elapsed += time.perf_counter() - step_start
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episodes_completed = 0
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sequences_completed = 0
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current_step_total = 0
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current_step_in_sequence = 0
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interrupted = False
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episode_metrics = []
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try:
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while True:
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current_step_in_sequence += 1
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current_step_total += 1
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next_observations, reward, done, info = env.step(actions)
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# ACTION [-1,1] attempts to decrease or increase the electricity stored in the battery by an amount
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# equivalent to action times its maximum capacity
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# Save environment interactions:
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observation_data.append(observations)
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next_observation_data.append(next_observations)
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action_data.append(actions)
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reward_data.append(reward)
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done_data.append(False) # always False
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observations = next_observations # observations of next time step
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if current_step_in_sequence >= Constants.sequence_length: # Sequence completed
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current_step_in_sequence = 0
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sequences_completed += 1
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for bi in range(len(env.buildings)):
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obs_building_i = np.zeros((Constants.sequence_length, Constants.state_dim), dtype=np.float32)
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n_obs_building_i = np.zeros((Constants.sequence_length, Constants.state_dim), dtype=np.float32)
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acts_building_i = np.zeros((Constants.sequence_length, Constants.action_dim), dtype=np.float32)
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rwds_building_i = np.zeros(Constants.sequence_length, dtype=np.float32)
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dones_building_i = np.zeros(Constants.sequence_length, dtype=np.bool_)
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for ti in range(Constants.sequence_length):
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obs_building_i[ti] = np.array(observation_data[ti][bi])
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n_obs_building_i[ti] = np.array(next_observation_data[ti][bi])
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acts_building_i[ti] = np.array(action_data[ti][bi])
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rwds_building_i[ti] = reward_data[ti][bi]
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dones_building_i[ti] = done_data[ti]
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dict_building_i = {
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"observations": obs_building_i,
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"next_observations": n_obs_building_i,
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"actions": acts_building_i,
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"rewards": rwds_building_i,
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"terminals": dones_building_i
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}
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dataset.append(dict_building_i)
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observation_data = []
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next_observation_data = []
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action_data = []
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reward_data = []
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done_data = []
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print("Sequence completed:", sequences_completed)
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if done:
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episodes_completed += 1
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metrics_t = env.evaluate()
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metrics = {"price_cost": metrics_t[0], "emmision_cost": metrics_t[1], "grid_cost": metrics_t[2]}
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if np.any(np.isnan(metrics_t)):
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raise ValueError("Episode metrics are nan, please contant organizers")
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episode_metrics.append(metrics)
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print(f"Episode complete: {episodes_completed} | Latest episode metrics: {metrics}", )
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obs_dict = env_reset(env)
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observations = obs_dict["observation"]
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step_start = time.perf_counter()
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actions = agent.register_reset(obs_dict)
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agent_time_elapsed += time.perf_counter() - step_start
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else:
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step_start = time.perf_counter()
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actions = agent.compute_action(next_observations)
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agent_time_elapsed += time.perf_counter() - step_start
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if current_step_total % 1000 == 0:
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print(f"Num Steps: {current_step_total}, Num episodes: {episodes_completed}")
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if episodes_completed >= Constants.episodes:
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break
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except KeyboardInterrupt:
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print("========================= Stopping Generation ==========================")
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interrupted = True
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if not interrupted:
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print("========================= Generation Completed =========================")
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if len(episode_metrics) > 0:
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print("Agent Performance:")
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print("Average Price Cost:", np.mean([e['price_cost'] for e in episode_metrics]))
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print("Average Emission Cost:", np.mean([e['emmision_cost'] for e in episode_metrics]))
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print("Average Grid Cost:", np.mean([e['grid_cost'] for e in episode_metrics]))
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print(f"Total time taken by agent: {agent_time_elapsed}s")
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print("========================= Writing Data File ============================")
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length = 0
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for data in dataset:
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if len(data["observations"]) > length:
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length = len(data["observations"])
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print("Amount Of Sequences: ", len(dataset))
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print("Longest Sequence: ", length)
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total_values = (2 * Constants.state_dim + Constants.action_dim + 2) * length * len(dataset)
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print("Total values to store: ", total_values)
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# create or overwrite pickle file
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with open(Constants.file_to_save, "wb") as f:
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pickle.dump(dataset, f)
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print("========================= Writing Completed ============================")
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file_size = os.stat(Constants.file_to_save).st_size
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if file_size > 1e+6:
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string_byte = "(" + str(round(file_size / 1e+6)) + " MB)"
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else:
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string_byte = "(" + str(round(file_size / 1e+3)) + " kB)"
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print("==> Data saved in", Constants.file_to_save, string_byte)
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if __name__ == '__main__':
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generate_data()
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