How Can I Import Functions from Nested Folders in Python?

Importing Modules from Nested Folders

Importing Function from a Different Folder

Consider a file structure with nested folders as follows:

application
├── app
│   └── folder
│       └── file.py
└── app2
    └── some_folder
        └── some_file.py

To import a function from file.py within some_file.py, simply using from application.app.folder.file import func_name will not work. This is because Python's search path does not extend to the subfolder.

Solution

To overcome this limitation, you can temporarily modify Python's search path by inserting the desired folder's path:

# some_file.py
import sys
sys.path.insert(1, '/path/to/application/app/folder')

import file

This will add /path/to/application/app/folder to the search path, allowing you to import the function func_name from file.py.

Note

This solution is not recommended for general use, as it can lead to path-related issues. It is typically better to organize your code into packages and install them correctly for optimal import behavior.

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