Python setup.py: How to get find_packages() to identify packages in subdirectories

Python setup.py: How to get find_packages() to identify packages in subdirectories

When using the find_packages() function in a setup.py script to identify packages in subdirectories, you need to ensure that your package directories have appropriate __init__.py files to mark them as Python packages. This allows find_packages() to correctly identify and include them.

Here's how you can set up your directory structure and setup.py script to make find_packages() work with subdirectories:

  1. Directory Structure:

    my_project/ ������ setup.py ������ my_package/ �� ������ __init__.py �� ������ module1.py �� ������ module2.py ������ subpackages/ �� ������ subpackage1/ �� �� ������ __init__.py �� �� ������ module3.py �� �� ������ module4.py �� ������ subpackage2/ �� ������ __init__.py �� ������ module5.py �� ������ module6.py ������ README.md

    In this example, you have a package named my_package and two subpackages named subpackage1 and subpackage2.

  2. setup.py Script:

    In your setup.py script, import the find_packages function from the setuptools module and use it to include all discovered packages, including those in subdirectories.

    from setuptools import setup, find_packages setup( name='my_project', version='0.1', packages=find_packages(), install_requires=[ # your dependencies here ], )

  3. Add __init__.py Files:

    Make sure each directory containing package components (modules, subdirectories) has an __init__.py file. This file can be empty, but it's necessary to mark the directory as a package.

After setting up your directory structure, setup.py script, and adding the necessary __init__.py files, you can run the setup.py script to build and install your package, including subpackages.

Navigate to the root directory of your project and run:

python setup.py install

This will install your package along with any subpackages and modules found by the find_packages() function.

Remember that in more complex projects, the directory structure might vary, and you should adapt these instructions accordingly.

Examples

  1. "Python setup.py find_packages() example"

    Description: This code demonstrates how to use the find_packages() function in a setup.py script to automatically identify packages in subdirectories.

    from setuptools import setup, find_packages setup( name="my_package", version="1.0", packages=find_packages(), # other setup configurations... )

  2. "Python setuptools find_packages() subdirectories"

    Description: This code illustrates how find_packages() can recursively search subdirectories for Python packages and include them in the distribution.

    from setuptools import setup, find_packages setup( name="my_package", version="1.0", packages=find_packages(include=['*']), # Include all subdirectories # other setup configurations... )

  3. "Python setup.py find_packages() not finding subpackages"

    Description: This code addresses issues where find_packages() fails to detect subpackages due to missing __init__.py files by manually specifying package directories.

    from setuptools import setup, find_packages setup( name="my_package", version="1.0", packages=find_packages(where='src'), # Specify the root directory containing packages package_dir={'': 'src'}, # Specify the root directory for package discovery # other setup configurations... )

  4. "Python setup.py find_packages() recursive"

    Description: This code explicitly sets find_packages() to search recursively through all subdirectories to locate packages.

    from setuptools import setup, find_packages setup( name="my_package", version="1.0", packages=find_packages(include=['*'], recursive=True), # Recursively search all subdirectories # other setup configurations... )

  5. "Python setuptools find_packages() nested directories"

    Description: This code demonstrates using find_packages() to identify packages within nested directories in a Python project.

    from setuptools import setup, find_packages setup( name="my_package", version="1.0", packages=find_packages(include=['my_package.*']), # Search nested directories under 'my_package' # other setup configurations... )

  6. "Python setuptools find_packages() multiple subdirectories"

    Description: This code shows how to use find_packages() with multiple subdirectories to locate and include packages from various directories.

    from setuptools import setup, find_packages setup( name="my_package", version="1.0", packages=find_packages(include=['subdir1.*', 'subdir2.*']), # Search multiple subdirectories # other setup configurations... )

  7. "Python setuptools find_packages() custom directory structure"

    Description: This code demonstrates how to specify a custom directory structure for package discovery using find_packages().

    from setuptools import setup, find_packages setup( name="my_package", version="1.0", packages=find_packages(where='src/my_package'), # Specify custom directory structure # other setup configurations... )

  8. "Python setup.py include subdirectories"

    Description: This code shows how to manually specify subdirectories to be included as packages in the setup script.

    from setuptools import setup setup( name="my_package", version="1.0", packages=['subdir1', 'subdir2'], # Manually include subdirectories package_dir={'': 'src'}, # Specify the root directory # other setup configurations... )

  9. "Python setuptools find_packages() not working"

    Description: This code addresses cases where find_packages() fails to work properly by ensuring correct directory structure and package naming.

    from setuptools import setup, find_packages setup( name="my_package", version="1.0", packages=find_packages(where='src'), # Ensure correct directory structure and package naming package_dir={'': 'src'}, # Specify the root directory # other setup configurations... )

  10. "Python setup.py find_packages() exclude directories"

    Description: This code demonstrates how to exclude certain directories from being searched by find_packages() using the exclude parameter.

    from setuptools import setup, find_packages setup( name="my_package", version="1.0", packages=find_packages(exclude=['tests']), # Exclude 'tests' directory from package discovery # other setup configurations... )

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