How Can py2exe Create a Single Executable File from a Python Script?

Generating Single Executable Files with py2exe

Creating a single executable file from a Python script can simplify distribution and ease of use for users. The py2exe package provides a way to achieve this.

To generate a single executable, follow these steps:

1. Set the Bundle Files Option: In your setup.py file, include the bundle_files option with a value of 1. This tells py2exe to bundle all script and library files into the executable.
2. Enable Compression: To reduce the size of the executable, set the compressed option to True. This will compress the bundled files.
3. Disable Zip File Creation: Since we're bundling files directly into the executable, set the zipfile option to None. This prevents py2exe from creating a separate ZIP file containing the bundled files.

Here's an example setup.py file demonstrating these settings:

from distutils.core import setup
import py2exe

setup(
    options={'py2exe': {'bundle_files': 1, 'compressed': True}},
    windows=[{'script': "single.py"}],
    zipfile=None,
)

Once you've updated your setup.py file, run the following command to generate the single executable:

python setup.py py2exe

The resulting executable will be located in the dist folder. It will contain all the necessary Python libraries and scripts, making it a single self-contained file ready for distribution.

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