Prompt Title: Install usaddress using setup.py

To give the path of an externally downloaded library to a Python setup.py file, you can use the include_dirs and library_dirs options in the Extension object. Here are the steps to follow:

1. Download the library that you want to include and extract it to a folder of your choice.

2. Open the setup.py file in a text editor.

3. Locate the Extension object for the module that requires the external library. If there is no Extension object yet, you need to create one.

4. Add the include_dirs and library_dirs options to the Extension object, like this:

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from setuptools import Extension, setup

extension = Extension(
    'my_module',
    sources=['my_module.c'],
    include_dirs=['path/to/external/library/include'],
    library_dirs=['path/to/external/library/lib'],
    libraries=['external_library_name']
)

setup(
    ext_modules=[extension],
)

Replace my_module with the name of the module that requires the external library, path/to/external/library with the path to the folder where you extracted the library, and external_library_name with the name of the library file (without the file extension).

5. Save the setup.py file and close the text editor.

6. Open a command prompt or terminal window and navigate to the folder where the setup.py file is located.

7. Run the following command to build the module:

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python setup.py build

8. Once the module has been built, run the following command to install it:

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python setup.py install

9. Wait for the installation to complete. Once the installation is finished, you can use the module in your Python projects by importing it like this:

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import my_module

That's it! You have successfully given the path of an externally downloaded library to a Python setup.py file and installed the module in Python.