从不同的文件夹级别导入类 - Python

Question

I am writing a sequence to sequence model and I have the following directory structure

MyProject/
     models/ 
          - __init__.py
          - Encoder.py
     train/
          - __init__.py
          - Train.py

While in Train.py, I cannot import the classes BiDirectionalEncoder from Encoder.py despite trying to use the following syntax

from models.Encoder import BiDirectionalEncoder 

For the line above I get the error " ModuleNotFoundError: No module named 'models'"

from ..models.Encoder import BiDirectionalEncoder

For the last line I get the error "ImportError: attempted relative import with no known parent package"

Is there are neat way to fix this? I dont want to use any sys.path.append() to force paths to be added I am using Python 3.7.6 in Spyder 4.0.1 Thanks!

Answer 1

在同一个包中，您可以进行相对导入，但由于您要离开当前包，因此需要进行绝对导入。

from MyProject.models.Encoder import BiDirectionalEncoder 

Answer 2

If you are using any IDE (eg. pycharm) you need to set (my project) as source boot directory else you need to check your BASE_DIR in settings.py

and then you will be able to import the model.

from models.Encoder import BiDirectionalEncoder

and yes if you want to access module from other environment below is the link for ways of accessing and sharing modules.

python module:- importing(accessing) creating and sharing

hope this will resolve your issue.