In our previous blog, we learned >how to deploy a Python application on Android devices. However, we haven't covered all of the operating systems, so in this post, we'll go over how to install Python apps on those systems. To be crystal clear, let me state that we will be learning how to install a Python application on Mac, Windows, and iOS in this article. 

The process of deploying your software for Windows, macOS, and iOS doesn't have to be difficult. Your app can be prepared for release by adhering to platform-specific best practices.

1. Deploying a Python App for iOS:

The process of deploying a Python application on an iOS device differs slightly from that of an Android device. It's a little complicated, and to stay current, you must consult the official packaging documentation for the Kivy Framework.

Before packaging your application, execute the command listed below on your device. 

Installing your Python app for iOS on your Mac can be done as follows:

Once the above package is successfully installed, we'll use the following commands to put together the distribution:

For some possible fixes, see this StackOverflow answer if you receive an error message stating that the iphonesimulator cannot be found. Next, try the commands one more time.

In addition to this, SSL errors may also occur. In this instance, make sure Python has OpenSSL configured. Most likely, your device does not have Python's OpenSSL setup installed. You can use the following command to quickly resolve this. 

To run the toolchain, try executing the second set of code once more.

Once you're satisfied that all of the earlier commands were executed correctly, you can use the toolchain script to create your Xcode project. You must rename the entry point for your main application, which should be called main.py, before starting the Xcode project. 

Start by executing the command given below.

The directory containing the name title should contain your Xcode project, and it must exist. At this point, you are welcome to open that project in Xcode and carry on working on it there. 

Note that to submit your application to the App Store, you must first register on the developer.apple.com website as an Apple developer, after which you must pay the annual fee. You won't be able to do so until then.

2. Deploying a Python App for Windows:

Here we are utilizing PyInstaller to deploy the Python app on Windows. So, Let's start with installing PyInstaller using pip on our Windows device:

Then, use this command to package your application:

Among the files produced by the previously mentioned command are Windows executable files. Additionally, we have instructed PyInstaller that this is a windowed application rather than a standard command-line application by using the -w argument in the code.

In addition to the -w argument, you can also pass the --onefile argument to instruct PyInstaller to produce a single executable file.

3. Deploying a Python App for macOS:

Deploying a Python App for Windows and Deploying a Python App for macOS are similar. We can do it simply by using PyInstaller.

First of all, we have to create a Mac executable using Pyinstaller, just like we did for Windows. 

Simply run the below command on your macOS device to create an executable.

This will create a single executable file in the dist folder. The executable's name will be the same as the name of the Python file you provided PyInstaller. If you're interested in learning more about shrinking the executable file size or the application's overall file size and you're using GStreamer in your application, check out the packaging page for Kivy.

Final thoughts

The process for deploying an app for iOS, Windows, and macOS is relatively straightforward, and can be accomplished with relative ease. By doing the things listed above, Python developers can make sure that your app is ready to launch on iOS, Windows, and macOS. Since we have already written the> code using the Kivy Python Framework in our previous blog, we only mentioned the steps to deploy the apps here. 

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