从位于不同位置的其他Python脚本调用Python脚本

Question

I have a Python script which is calling a class of another Python script. The structure of these two scripts are as follows:

c:\testing\sample.py
c:\testing\example\demo\projects\module.py

Now inside sample.py I am calling module.py as follows:

from "c:/testing/example/demo/projects/module.py" import module_C

When I execute this portion of sample.py I get an error There is an error in program and this error occurs in its first line only.

How shall I call the module_C inside sample.py ?

Answer 1

the from/import syntax does not work with files, only with modules.

To achieve what you want, there are 2 possibilities

• create empty __init__.py files in c:/testing/example/demo , and c:/testing/example/demo/projects ,
• then from demo.projects.module import module_C

import sys,os
sys.path.add(os.path.join(os.path.dirname(__file__),"demo/projects"))
from module import module_C

knowing where you are running, use current module directory and add the demo/projects absolute path: it works because the paths have a common prefix)