This is not necessarily a straightforward question. If you are already familiarwith running programs from the Windows command line then everything will seemobvious; otherwise, you might need a little more guidance.
Unless you use some sort of integrated development environment, you will end uptyping Windows commands into what is variously referred to as a “DOS window”or “Command prompt window”. Usually you can create such a window from yoursearch bar by searching for
cmd . You should be able to recognizewhen you have started such a window because you will see a Windows “commandprompt”, which usually looks like this:
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Jun 13, 2016 Unfortunately, not every Mac app has scripting support, and those that do may not always have scripting support for every task you want to automate. You can often work around such limitations, however, by writing a user interface script, commonly called a UI or GUI script. Nov 28, 2015 In this tutorial we’ll be using py2app to create a standalone OSX application from a Python 2 or 3 source code with a simple Tkinter user interface. 'py2app is a Python setuptools command which will allow you to make standalone application bundles and plugins from Python scripts. Py2app is similar in purpose and design to py2exe for Windows.' Relevant links about py2app: Documentation Source.
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The letter may be different, and there might be other things after it, so youmight just as easily see something like:
depending on how your computer has been set up and what else you have recentlydone with it. Once you have started such a window, you are well on the way torunning Python programs.
You need to realize that your Python scripts have to be processed by anotherprogram called the Python interpreter. The interpreter reads your script,compiles it into bytecodes, and then executes the bytecodes to run yourprogram. So, how do you arrange for the interpreter to handle your Python?
First, you need to make sure that your command window recognises the word“py” as an instruction to start the interpreter. If you have opened acommand window, you should try entering the command
py and hittingreturn:
You should then see something like:
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You have started the interpreter in “interactive mode”. That means you can enterPython statements or expressions interactively and have them executed orevaluated while you wait. This is one of Python’s strongest features. Check itby entering a few expressions of your choice and seeing the results:
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Many people use the interactive mode as a convenient yet highly programmablecalculator. When you want to end your interactive Python session,call the
exit() function or hold the Ctrl key downwhile you enter a Z, then hit the “Enter” key to getback to your Windows command prompt.
You may also find that you have a Start-menu entry such as Start‣ Programs ‣ Python 3.x ‣ Python (command line) that results in youseeing the
>>> prompt in a new window. If so, the window will disappearafter you call the exit() function or enter the Ctrl-Zcharacter; Windows is running a single “python”command in the window, and closes it when you terminate the interpreter.
Now that we know the
py command is recognized, you can give yourPython script to it. You’ll have to give either an absolute or arelative path to the Python script. Let’s say your Python script islocated in your desktop and is named hello.py , and your commandprompt is nicely opened in your home directory so you’re seeing somethingsimilar to:
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So now you’ll ask the
py command to give your script to Python bytyping py followed by your script path:
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