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What's the easiest way to generate an error window for a Python script in Windows? Windows-specific answers are fine; please don't reply how to generate a custom Tk window.
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Build A Paint Program With TKinter and Python The messagebox property has different types of built-in popup windows that the users can use in their applications. If you need to display the error messagebox in your application, you can use showerror("Title", "Error Message") method.
WindowsError is a subclass of OSError . From the exceptions documentation: Raised when a Windows-specific error occurs or when the error number does not correspond to an errno value.
We can also do this in Python. What you need to look at is the very last line - ValueError. This is the type of error and changes depending on what went wrong. So to setup an IFERROR you simply add in a TRY and EXCEPT.
If you need a GUI error message, you could use EasyGui:
>>> import easygui as e
>>> e.msgbox("An error has occured! :(", "Error")
Otherwise a simple print("Error!") should suffice.
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@Constantin is almost correct, but his example will produce garbage text. Make sure that the text is unicode. I.e.,
ctypes.windll.user32.MessageBoxW(0, u"Error", u"Error", 0)
...and it'll work fine.
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