Скачать или смотреть Solving the TypeError in Python: Random Coordinates for Mouse Clicks

Discover how to fix the `TypeError integer argument expected, got float` in your Python script that generates random mouse click coordinates. Learn the difference between `random.uniform()` and `random.randint()`.
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This video is based on the question https://stackoverflow.com/q/64962423/ asked by the user 'Mertoalex' ( https://stackoverflow.com/u/14610075/ ) and on the answer https://stackoverflow.com/a/64963008/ provided by the user 'Mysterious K' ( https://stackoverflow.com/u/14647950/ ) at 'Stack Overflow' website. Thanks to these great users and Stackexchange community for their contributions.

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Solving the TypeError in Python: Random Coordinates for Mouse Clicks

When developing with Python, encountering errors is a normal part of the process. However, it can be frustrating to deal with exceptions, especially when you’re trying to implement a function as straightforward as clicking at random coordinates on your screen. One common error that arises in this scenario is:

TypeError: integer argument expected, got float

This specific error usually indicates that somewhere in your code, a function or method is expecting an integer input but is instead receiving a floating-point number. Let’s explore how to tackle this error in the context of a Python script designed to simulate mouse clicks at random positions on your screen.

Understanding the Problem

In your original code, you are trying to set the mouse cursor position using the win32api.SetCursorPos((x,y)) function. However, the coordinates generated by random.uniform() yield floating-point numbers, which is not accepted by the SetCursorPos method.

Example Code with Error

Here’s a quick look at the problematic part of your code:

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

In this example, variables cordinate and cordinatetwo are assigned floating-point values, which causes the error when passed to the click function.

The Solution

To fix the problem, you need to change the way you generate random coordinates. Instead of using random.uniform(), you can use random.randint(), which generates integers within a specified range.

Updated Code

Here’s how you can revise your code:

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

Key Changes Made:

Switched from random.uniform() to random.randint(): This change ensures that the generated coordinates are whole numbers (integers), which are acceptable as arguments for the SetCursorPos() method.

Running the Code

After implementing these changes, you can run the updated script. Once it awaits your specified key press, it will click at random integer coordinates on the screen, and you should no longer see the TypeError exception.

Final Thoughts

Understanding the type of variables you are working with in your code is crucial to avoid errors like the one you encountered. By carefully choosing the appropriate functions for generating random numbers, you ensure that your program runs smoothly.

Make sure to test your code step by step and always ensure that the types of variables you use align with the expectations of the functions you call. Happy coding!