How Can I Efficiently Import All Modules from a Directory in Python?

Loading All Modules in a Folder

Importing a directory of modules can be a convenient way to manage a large number of related modules. However, using the standard from statement can result in unexpected behavior, as seen in the following example:

/Foo
    bar.py
    spam.py
    eggs.py

Adding an __init__.py file and using from Foo import * may not produce the desired result.

Solution: Generating all Variable

To properly load all modules in a folder, you can use the following method:

1. List all Python (.py) files in the folder.
2. Create an all variable in __init__.py.
3. Populate all with the basename of each file, removing the .py extension.

Here is the Python code for this solution:

from os.path import dirname, basename, isfile, join
import glob
modules = glob.glob(join(dirname(__file__), "*.py"))
__all__ = [ basename(f)[:-3] for f in modules if isfile(f) and not f.endswith('__init__.py')]

This solution will dynamically create a list of module names and assign it to all in __init__.py. This allows you to import all modules in the folder by simply using from Foo import *.

The above is the detailed content of How Can I Efficiently Import All Modules from a Directory in Python?. For more information, please follow other related articles on the PHP Chinese website!