以下代码遇到这个问题:ImportError: cannot import name 'minor' from 'os' (A:\python\lib\os.py)应该怎么解决呢
import argparse
import os
import torch
import numpy as np
from dueling_dqn.simple_agent import dqn_agent
from dueling_dqn import utils
from simulator import Simulator
from allocate import get_allocate_matrix
def target_policy(state):
prob = np.ones(5)/100
# stay, down, left, right, up
if state[0] < 0:
prob[2] += 5*abs(state[0])
elif state[0] > 0:
prob[3] += 5*abs(state[0])
if state[1] > 0:
prob[1] += 5*abs(state[1])
elif state[1] < 0:
prob[4] += 5*abs(state[1])
if state[0] == 0 and state[1] == 0:
if sum(state[2:]) == 0:
prob = np.zeros(5)
prob[0] += 1
if state[2] == 1:
prob[2] = 0
if state[3] == 1:
prob[3] = 0
if state[4] == 1:
prob[4] = 0
if state[5] == 1:
prob[1] = 0
prob = prob/sum(prob)
action = np.random.choice(range(5), p = prob)
return action
def main():
parser = argparse.ArgumentParser()
# env name
parser.add_argument("--env_name", default="MAPF", type=str)
# use cuda
parser.add_argument("--cuda", default=True, type=bool)
# load model to continue
parser.add_argument("--load_model", default=True, type=bool)
# save dir
parser.add_argument("--save_dir", default='./models', type=str)
args = parser.parse_args()
env = Simulator((601,601,3),1)
robots, targets = env.information()
pairs = get_allocate_matrix(robots, targets)
env.update_pairs(pairs)
model = dqn_agent(env, args)
if args.load_model:
model_path = os.path.join(args.save_dir, args.env_name)
model.load_dict(model_path+"/model3.538501262664795.pt")
obs = env.reset(True)
obs = [obs[0]]
done = False
while not done:
with torch.no_grad():
obs_tensor = model._get_tensors(obs)
action_value = model.net(obs_tensor)
action = utils.select_action(action_value, 0.1)
if type(action) == np.int64 or type(action) == int:
action = [action]
reward, obs_, done, _ = env.step_test(action, True, "single_DQN_test.gif")
obs = [obs_[0]]
done = np.array(done).any()
def main2():
parser = argparse.ArgumentParser()
# env name
parser.add_argument("--env_name", default="MAPF", type=str)
# use cuda
parser.add_argument("--cuda", default=True, type=bool)
# load model to continue
parser.add_argument("--load_model", default=True, type=bool)
# save dir
parser.add_argument("--save_dir", default='./models', type=str)
args = parser.parse_args()
robot_num = 2
env = Simulator((601,601,3),robot_num)
model = dqn_agent(env, args)
if args.load_model:
model_path = os.path.join(args.save_dir, args.env_name)
model.load_dict(model_path+"/model3.538501262664795.pt")
obs = env.reset(True)
robots, targets = env.information()
pairs = get_allocate_matrix(robots, targets)
env.update_pairs(pairs)
env_2 = Simulator((601,601,3), robot_num, [robots.copy(), targets.copy()],'final')
done = False
while not done:
action = np.zeros(robot_num)
for i in range(robot_num):
action_temp = np.zeros(robot_num)
robot_action = target_policy(obs[i])
action_temp[i] = robot_action
reward, obs_, done, _ = env_2.step_test(action_temp, True)
obs = obs_
action[i] = robot_action
reward, obs_, done, _ = env.step_test(action, True, "Multi_DQN_test.gif")
obs = obs_
done = np.array(done).all()
if __name__ =="__main__":
main2()
ImportError: cannot import name 'minor' from 'os' (A:\python\lib\os.py) 错误提示表明在导入minor
函数时出现了问题。
minor
函数不是标准的os
模块中的函数,这可能是因为命名冲突或者使用了错误的包。为了解决这个问题,您可以尝试以下方法:
检查是否存在命名冲突:确保您没有在自己的代码中命名一个名为minor
的函数,以免与标准库的os
模块冲突。
检查是否存在其他包或模块导入错误:可能某个导入语句中错误地导入了os
模块而非期望的包。请检查代码中所有导入语句,并确保导入正确的包。
检查Python环境和依赖项:确认您的Python环境和相关依赖项正确安装和配置。可以尝试重新安装Python并更新依赖项,确保环境正确。
【以下回答由 GPT 生成】
问题原因是导入的os
模块中没有minor
这个属性,导致出现ImportError。解决这个问题的方法是更改os
模块的命名,以避免和内置的os
模块冲突。
请按照以下步骤进行操作:
dueling_dqn
文件夹下的simple_agent.py
文件。import os
语句改为import os as sysos
,这样可以避免和内置的os
模块冲突。sysos
替代所有原来的os
引用,比如os.path
替换为sysos.path
。simple_agent.py
文件。修改后的simple_agent.py
代码示例:
import argparse
import os as sysos # 修改此行
import torch
import numpy as np
from dueling_dqn import utils
from simulator import Simulator
from allocate import get_allocate_matrix
def target_policy(state):
prob = np.ones(5)/100
# stay, down, left, right, up
if state[0] < 0:
prob[2] += 5*abs(state[0])
elif state[0] > 0:
prob[3] += 5*abs(state[0])
if state[1] > 0:
prob[1] += 5*abs(state[1])
elif state[1] < 0:
prob[4] += 5*abs(state[1])
if state[0] == 0 and state[1] == 0:
if sum(state[2:]) == 0:
prob = np.zeros(5)
prob[0] += 1
if state[2] == 1:
prob[2] = 0
if state[3] == 1:
prob[3] = 0
if state[4] == 1:
prob[4] = 0
if state[5] == 1:
prob[1] = 0
prob = prob/sum(prob)
action = np.random.choice(range(5), p=prob)
return action
def main():
parser = argparse.ArgumentParser()
# env name
parser.add_argument("--env_name",
type=str,
default="",
help="Name of the environment")
args = parser.parse_args()
if __name__ == "__main__":
main()
这样修改后,在运行代码时将不再出现ImportError
。