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Discover a step-by-step guide on how to convert your Python app into an `EXE` executable file while only including the required modules.
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This video is based on the question https://stackoverflow.com/q/72108864/ asked by the user 'KevinTran' ( https://stackoverflow.com/u/17559600/ ) and on the answer https://stackoverflow.com/a/72108900/ provided by the user 'Mohamed Yasser' ( https://stackoverflow.com/u/16516114/ ) at 'Stack Overflow' website. Thanks to these great users and Stackexchange community for their contributions.

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How to Convert PY to EXE by Specifying Only Required Modules

Converting a Python application (.py file) to an executable file (.exe) allows for easier distribution and use of your software, especially for users who may not have Python installed on their machines. However, one common problem developers encounter is that when compiling to an executable, the tool includes all installed Python modules rather than just the modules that are actually imported in the application. This can lead to a bloated executable file and unnecessary complications. So, how can you ensure that only the necessary modules are included in your executable? Let's explore a practical solution to this issue.

The Problem

When you attempt to convert your Python program into an executable using a tool like auto-py-to-exe, the output folder might contain a lot of files—specifically all the installed Python modules, not just the ones your application uses. This can cause confusion and increase the size of your final executable unnecessarily. You might wonder, "How can I convert my Python app without including all these extra modules?"

The Solution

To address this issue effectively, we recommend using a virtual environment. Here’s a step-by-step guide on how to proceed:

Step 1: Set Up a Virtual Environment

Install virtualenv (if you haven't already):

[[See Video to Reveal this Text or Code Snippet]]

Create a New Virtual Environment:
Navigate to your project's directory in the terminal and create a new virtual environment:

[[See Video to Reveal this Text or Code Snippet]]

Activate the Virtual Environment:

On Windows, use:

[[See Video to Reveal this Text or Code Snippet]]

On macOS/Linux, use:

[[See Video to Reveal this Text or Code Snippet]]

Step 2: Install Required Modules

Now that you’re in a virtual environment, you can control which modules are installed. Only install the modules needed for your application:

Run the following command for each required module:

[[See Video to Reveal this Text or Code Snippet]]

Step 3: Convert your Python File to EXE

After you have installed only the necessary modules within your virtual environment, use auto-py-to-exe (or any other conversion tool) to compile your Python script into an executable file. You can do this by:

Launching auto-py-to-exe and selecting your main Python file.

Configure the settings to point to the virtual environment.

Step 4: Locate the Output Folder

Once the conversion process is complete, navigate to the output folder created by auto-py-to-exe. Here, you should only see the necessary files that your application requires—resulting in a cleaner, more efficient executable.

Conclusion

By utilizing a virtual environment, you can effectively manage your project's dependencies and ensure that only the modules your application actually requires are included when you convert your Python script to an executable. This not only minimizes bloat in the output files but also simplifies the deployment process for your application.

So, the next time you're ready to convert a Python application to an EXE, remember to create a virtual environment. It'll make the process cleaner and more efficient, allowing you to focus on what matters most—building great software!