Import module from subfolder

Question

I want to import subfolders as modules  Therefore every subfolder contains a   init   py  My folder structure is like this   src    main py   dirFoo        init   py     foofactory py     dirFoo1          init   py       foo1 py     dirFoo2          init   py       foo2 py   In my main script I import  from dirFoo foofactory import FooFactory   In this factory file I include the sub modules   from dirFoo1 foo1 import Foo1 from dirFoo2 foo2 import Foo2   If I call my foofactory I get the error  that python can t import the submodules foo1 and foo2   Traceback  most recent call last     File   Users tmp src main py   line 1  in  lt module gt  from dirFoo foofactory import FooFactory   File   Users tmp src dirFoo foofactory py   line 1  in     lt module gt  from dirFoo1 foo1 import Foo1     ImportError  No module named dirFoo1 foo1

User · Answer

Set your PYTHONPATH environment variable. For example like this PYTHONPATH=.:.. (for *nix family).

Also you can manually add your current directory (src in your case) to pythonpath:

import os
import sys
sys.path.insert(0, os.getcwd())

User · Answer

There s no need to mess with your PYTHONPATH or sys path here   To properly use absolute imports in a package you should include the  root  packagename as well  e g    from dirFoo dirFoo1 foo1 import Foo1 from dirFoo dirFoo2 foo2 import Foo2   Or you can use relative imports   from  dirfoo1 foo1 import Foo1 from  dirfoo2 foo2 import Foo2

User · Answer

Had problems even when init py existed in subfolder and all that was missing was adding  as  after import  from folder file import Class as Class import folder file as functions

User · Answer

Say your project is structured this way    ---MyPythonProject      --- gitignore      ---run py          ---subscripts              ---script one py              ---script two py   Inside run py  you can import scripts one and two by   from subscripts import script one as One from subscripts import script two as Two   Now  still inside run py  you ll be able to call their methods with   One method from one param  Two method from two other param

User · Answer

Just to notify here   from a newbee  keviv22   Never and ever for the sake of your own good  name the folders or files with symbols like  -  or      If you did so  you may face few issues  like mine  say  though your command for importing is correct  you wont be able to successfully import the desired files which are available inside such named folders   Invalid Folder namings as follows    Generic-Classes-Folder Generic Classes Folder   valid Folder namings for above    GenericClassesFolder or Genericclassesfolder or genericClassesFolder  or like this without any spaces or special symbols among the words    What mistake I did   consider the file structure   Parent        init   py      Setup           init   py         Generic-Class-Folder               init   py             targetClass py      Check           init   py         testFile py   What I wanted to do    from testFile py  I wanted to import the  targetClass py  file inside the Generic-Class-Folder file to use the function named  functionExecute  in  targetClass py  file   What command I did    from  testFile py   wrote command     from Core Generic-Class-Folder targetClass import functionExecute Got errors like SyntaxError  invalid syntax   Tried many searches and viewed many stackoverflow questions and unable to decide what went wrong  I cross checked my files multiple times  i used   init   py file  inserted environment path and hugely worried what went wrong        And after a long long long time  i figured this out while talking with a friend of mine  I am little stupid to use such naming conventions  I should never use space or special symbols to define a name for any folder or file  So  this is what I wanted to convey  Have a good day    sorry for the huge post over this    just letting my frustrations go        Thanks

User · Answer

Just create an empty   init   py file and add it in root as well as all the sub directory folder of your python application where you have other python modules  See https   docs python org 3 tutorial modules html packages

[python] Import module from subfolder

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