=================================================================================

Improving the stability of pyautogui.locateCenterOnScreen() in a Python script involves several strategies to handle various scenarios where the function might fail or return inaccurate results. Some tips to enhance its stability are:

• Increase Confidence Interval: The confidence parameter in pyautogui.locateCenterOnScreen() determines the confidence threshold for matching the image on the screen. Increasing this value might help in cases where the image is not being detected consistently. However, be cautious as increasing it too much might lead to false positives. 

center = pyautogui.locateCenterOnScreen('image.png', confidence=0.9)  

• Adjust Image Size and Quality: Ensure that the image we are searching for is clear and not too large or too small. Resizing the image to a smaller size or improving its quality might help in more accurate detection.
• Avoid Dynamic Elements: If the element we are trying to locate is dynamic or changes its appearance, try to locate a more static or stable part of the screen.
• Retry Mechanism: Implement a retry mechanism in our code to handle cases where the function fails to locate the image in the first attempt. We can loop through several attempts until the image is found or until a maximum number of attempts is reached. code:

 

• Adjust Search Region: Limit the search region to a specific area of the screen where we expect the image to appear. This can help improve performance and accuracy. 

  region = (100, 100, 800, 600) # (left, top, width, height) 

center = pyautogui.locateCenterOnScreen('image.png', region=region, confidence=0.9)  

• Use Multiple Images: If the appearance of the image can vary, consider using multiple images or different variations of the same image and try to locate each of them.
• Handle Failure Gracefully: Implement error handling to gracefully handle cases where the image cannot be located. This prevents your script from crashing and allows you to handle such scenarios appropriately. 

============================================

Locate center on screen by locateCenterOnScreen() with many reference options to have better stability of locateCenterOnScreen() function: code:
         
4651d.png:         
         
4651e.png:         
         
4651g.png:         
         
Output (image1 and image2 are blocked by the IDLE window, then it looked for image3):         
         

============================================

pyautogui exceptions.   code:

Output:

============================================

pyautogui with a confidence threshold of 0.8. code 

Output:

============================================