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I have a question for you.

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What if you wanted to give your program to another person so they can use your program?

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What would you give to them?

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Well, you could give the P file.

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And the problem is that they need Python installed on their computer to be able to run the program,

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and that's not the best user experience.

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So as you might know, normally we get executable files for apps that we use daily.

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So these are standalone executables and it doesn't matter what programming language was used to write

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that app.

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The app will work in any computer.

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So in this video I want to show you how to convert your Python scripts, your Python programs into stand

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alone executables which can run on Windows, Mac and Linux.

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So before we begin, we want to make sure that the program is working well.

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So maybe try to run the program and see if there are errors.

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If there are no errors, then we're good to go.

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However, there is something we need to think about and that is the external file that we have, which

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is to dos.

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That txt.

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The way we use this program is that this program is dependent on this to dos that zip file.

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So if the file does not exist.

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So if we delete the file now.

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And if we run the program.

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We're going to get an error.

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No such file or directory in functions that p y in here.

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So the program is fragile at this point.

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We need to change the program so that the program is able to generate that file.

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If that file does not exist initially, we can very easily do that.

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So go to P wine import OS, which is a standard library and then I'm going to use the OS library here.

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But first let me let me make you a demo in the Python console about OS.

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So if I import OS, then what I'm trying to use here is always that path that exists and inside here

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goes the path to the file.

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You want to check if it exists.

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So if I execute that, I get false.

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When the file does not exist if the file existed.

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So to dos that text is not here at the moment in the project directory.

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That's why we get false.

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If it was if it existed, we would get true.

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We can make use of that and say here, if not always, that path that exists to dos that text.

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So that's a conditional and if conditional.

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BLOCK And we are saying here basically the negation of that.

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So if the file does not exist, then we're going to create that to that file.

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So with open to dos in right mode as file and you can just say pass here, we don't want to write anything

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to do that.

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TXT.

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So pass is a statement which basically does nothing.

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However, we have to write here something because the syntax requires that.

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So the syntax of the with context manager requires that something should come in this line here.

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So with this line now if I run the script and to dos the txt file is not there, then to do that txt

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file is going to be created.

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So you see now it's there to dos that TXT boards.

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If you run the program for a second time, the file will not be overwritten.

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So basically this will not happen and that means that this will not be executed when the file already

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exists.

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So that means when the user will run the standalone executable.

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Only the first time they ran the program, the file will be generated, then the file will be there.

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With that, we're ready to create executable files.

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Now the process is different on Windows, Mac and Linux, and if you want to create an executable for

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Windows, you need to have a Windows computer.

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The same goes for Mac and Linux respectively.

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Therefore, now I'm going to start the process of creating the standalone executable on Windows.

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So if you are on Mac, you can skip and you can jump to minute.

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If you are on Linux, you can go to minute.

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So, Windows users, let's start.

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Now, before we continue, we want to make sure that when you open the terminal empire charm somewhere

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in here, it should say then in parentheses, in my case, I get this error.

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So something is not working right and to fix that.

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So if you get this error as well and you don't get that valve, you need to say set dash execution policy.

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So set execution policy.

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Remote site with with a scope for the current user.

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Press enter and then you want to close the terminal.

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Open the terminal again.

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And now I get this van here.

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So now we can go ahead with the next steps.

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The next step is to install a third party library.

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You can use PIP install PA installer or I would recommend if you are on porch or you can just go to

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python packages here and search for p y installer in that box.

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Click on PA installer in the list here and then go here on the right and press on install.

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So Pie installer is a third party package just like PA simple guy, but pa simple GUI is used to create

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graphical user interfaces and PA installer is used to create executable files that X files.

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Once you install PA installer, you can minimize the python packages pane and go to the terminal again.

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And now we want to run the command which will generate that executable file and that is PA installer.

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So we are in the terminal, not in the Python console.

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This is not Python code.

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This is a series of commands for the Windows operating system.

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So this would be PA installer, one file, so dash, dash, one file, space dash dash, windowed space

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dash, dash, clean.

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And lastly, you want to specify here gooey that pie or whatever name your main python script has.

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So that is the script which you execute usually.

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So usually I do run gooey, which is gooey dot pie.

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So that's the script there, PA installer is the library.

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So we want to run that library through the command line here and these are the parameters we give to

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that command.

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One file means it will create one single executable file instead of creating several distributed files,

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and this is going to avoid having a command line generated.

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So usually if you don't supply this argument, then what you get is that the gooey that we have created,

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but also a command line, we don't want that for the user, so they just want to see the gooey.

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And lastly, clean means that if we generated the file the executable before now, this clean will override

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that executable.

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So even though this is not needed the first time we run it, it's a good practice to use clean there.

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Otherwise the next time you you execute this, the previous executable file that was generated will

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not be overwritten and that can confuse you.

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So press enter.

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And this might take a while until PA installer creates the executable file.

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Now the executable file is going to be created in the project directory.

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And you can see on my project directory that I have this built and dist created just now.

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And yet it's finished on my system.

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So building exit completed successfully.

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Now I want to right click over this dist folder and go to open in Explorer.

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So that's my project directory.

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If I double click over dist here, we're going to see this gooey file and that is an executable file

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that a file.

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So if we double click that and that's the program.

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Now it also has this to dos file in here which had that string, but you can delete that and you can

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give users only the gooey file.

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So if I run this now.

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You'll see that this creates a fresh to dos that txt file in the current directory.

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So if I add now to DOS to do one press on add to the one is added there.

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If I close the program with exit, I open it again.

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The two dos are there, so that executable file is using that as its database to store the data so you

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can give the entire disk folder to the users.

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These are the files do have some extra information about the production of this executable file, but

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you don't need to to give them to other people.

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So just give them the this folder or only the gooey file.

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And that was how to create an executable file on windows.

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Next, I'm going to cover how to create a standalone executable file for Mac computers.

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So that would be a dot app file which runs on Mac computers.

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So that's an application file.

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Let's begin to convert your Python program into a standalone executable that runs on a mac computer.

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We need to use a third party software.

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There are several options out there, but what I'd suggest to use is platypus.

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So please search for platypus somewhere on Google.

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Platypus Mac.

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And then.

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And then you want to go to this page with this URL Svein Bjorn dot org slash platypus.

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So this has the installation instructions, which is about installing the program with Bru.

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So you need to have Bruce installed.

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If you don't have Bruce on your Mac.

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You need to search on Google for Homebrew.

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And go to brew that sage.

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And there you you'll find the instructions to install homebrew.

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Once you have installed home brew, then you want to run that command brew, install, dash, dash,

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cask platypus, all new terminal.

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So open the terminal on pa charm and enter that commands.

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And wait until the software installs once you install that program then started.

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It should look something like this.

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And let's begin to input the parameters here.

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So the app name, this is going to be the name of the standalone app that you will create.

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So let's keep it simple.

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My to to app.

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Then you can leave this as it is.

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But in here you want to specify the path of your python interpreter.

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The path of my interpreter is in here.

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I can find it by expanding the van folder.

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So I'm using a virtual environment.

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Then I will expand the bin and then I'll scroll down until I find Python three.

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I right click here and I go to copy Path reference and I want to copy the absolute path of that Python

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three file.

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So that Python three is the actual interpreter which interprets the code which runs the Python code.

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So I'll copy that.

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Go back to platypus and paste that directory there and just leave it.

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Then we have the script path.

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This one you can select from here.

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So press that button and this is going to be.

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The path or field guide that p file.

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So in your case, maybe you named it differently, but basically this is the entry point of your program.

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I've always executed good dot P to run the program, so you want to select that and you'll see that

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the path is updated to the absolute path of that dot P, which is located, as you know, in my project

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directory here.

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Right next live this option as it is for now.

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Text window.

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If you want to change the icon, feel free to do it by using this button and then select image file.

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I'll just leave it as it is.

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Then you have some data.

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I'll leave them as they are also.

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And then here bundled files.

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Here is where we supply all the files that are necessary for our program to run.

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In our case, the only file that is necessary for this program to run is functions that p y.

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Therefore, we want to go in here and select that plus and then select functions that P and functions

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that p y will be added in here.

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I'm not adding to those that text in here because I want this line to create it from scratch.

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So it will create a new to do that takes file for the user so they have a new empty text file which

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they can add it with their own data.

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Be careful here.

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So sometimes this changes to another directory and you see it's in red.

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So I have to update it again.

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I'm going to go to vent bin.

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Select Python three.

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Right click.

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Go to copy path and then absolute path.

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And then go back here, paste it again.

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And now I want to press on Create app.

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So press the button.

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This will ask you where do you want to save the grid?

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That's app file.

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So that's the executable file that will be created.

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I'll just keep it here in this project directory, which is app one and press on create.

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And that's it.

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So now I should look for that good dot app file.

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So it's here, but I want to right click over my project main folder and go to open in Finder.

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So go to app one and there it is.

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So that's the file that was generated.

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If you click that.

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It's going to open to windows.

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Now, if you had an issue with your program, then you're going to see an error in this window here.

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And you're probably not going to see the actual guy, which in my case it's working fine so I can add

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it to do.

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And I see the tutu here, so it's working well.

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Sometimes it says that pie simple gooey was not found in here.

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That is the case if you selected a python interpreter which doesn't have pi simple GUI installed.

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So in my case I selected my visual python interpreter, which does have pi symbol installed because

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I have already installed it in the previous lectures.

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So if you also have a virtual environment and you have followed me, you probably didn't have that issue.

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Otherwise you might need to install pi simple gooey to be able to fix that issue.

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But you can ask a question in the Q&A if you have that issue right before we close this, I'm sure that

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you want to know how to get rid of that window which was displaying on the side of app.

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You can do that by selecting this and going to none.

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So it's good to have the text window when you're trying the executable file as a developer, but then

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when you want to produce it for other people, you don't want to see that.

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So the text window is only good to see the errors when you are testing things out.

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So in that case, you want to create the app again.

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Create This will ask you to replace the existing good at app file.

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So press or replace go to finder again, run again.

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And now it's one single window.

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The two dos.

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That txt file is indeed inside this gooey app.

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So if I right click and go to show package contents and then I open this app file as a folder and then

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I click here and I go to resources there you will find to dos that txt.

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So that's the icon of the app as well and so on.

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So that's the app file and that's how you can create executable files on Mac.

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Linux users.

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Now we're going to create an executable which runs on Linux computers.

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So I am on a Linux operating system, so you should be also in a Linux operating system if you want

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to create a standalone executable for Linux to create the executable, we need a third party library

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for Python.

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So just like we had pricing guy, now we need something called par installer.

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So for that you need to either go to the terminal and do PIP install PA installer or I would recommend

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to use the graphical installer for packages which can be found on settings here.

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And then in the project or directly you go here python packages right here put installer.

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Press.

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Enter select points from the list here, then go to install.

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Once PA installer installs on your computer.

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It did in my case.

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So I can go to the terminal first, try to make sure that the program is working, so maybe try to run

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it.

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As you normally do.

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So it seems to be working.

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In my case, I have no errors.

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Therefore, now we're ready to go to the terminal and type in PI installer space dash, dash one file

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dash, dash windowed window et de space dash, dash clean.

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And then lastly, you want to say gooey dot p y, or at least in my case.

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So this should be the name of your main file.

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So the file which you usually run your program.

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So that's gooey dot pi.

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In my case, that's what I run when I right click here and go to run Gooey.

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So pie Installer is the library we installed and now we can execute it from the command line.

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So this is not the python console?

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No, this is the terminal.

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These are Linux commands.

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So we can run this on the Linux operating system, not on the Python interpreter.

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Right.

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Then one file means that the executable will be one file.

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It can run as one single file as opposed to creating multiple distributed files.

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So it's simpler to give people one single file this.

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Then this will avoid having to create a terminal window on the sides of the grid.

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So when the user runs that executable, they don't want to see the terminal.

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Also, they only want to see the gooey.

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So that makes it possible and then clean.

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This makes sure that if you executed this commands previously than with this flag.

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When you supply that flag, the previously generated executable will be overwritten.

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So that's also good to have and press enter.

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Now you might get an error, as I did in here, and this suggests to install those packages on Ubuntu

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so I'm open to you.

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Therefore i'm going to do sudo apt.

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Get install.

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Python 3.10 because I'm using 3.10.

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So I'll do Python 3.10 dash def.

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So that's command there approximately.

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Presenter.

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Enter your Linux user password here you need to press y and then press enter.

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And that seemed to be successful.

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And now I'll press my upper arrow key to call that previous command, which was this one.

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And I'll execute that again.

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So the Pie Installer command.

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Right.

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It says that building was successful and we should be able to find the file inside just in here.

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I'll click over this and then go to open end files.

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So that should open the file Explorer and that's the file that was generated.

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So I'll double click that.

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And there we go.

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That's the program.

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And you see to dos that Tc3 was also generated when the program asked for the first time.

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So if you add now A to do here, it's going to be successfully added in the list box.

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You can exit.

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So the two dos are stored in this text file.

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You can give to other people this file only.

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And so a to dos that txt file will be generated for them.

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So it will serve as their own database.

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And that was about how to generate Linux executables from Python programs.

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That ends this video.

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We were able to cover three operating systems.

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So thanks a lot.

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See you later.