1. import time
  2. import os
  4. def measure_filepath_performance(filepath, num_iterations=1000):
  5. """
  6. Measures the performance of accessing a file path.
  8. Args:
  9. filepath (str): The file path to measure.
  10. num_iterations (int): The number of times to access the path.
  12. Returns:
  13. float: The average time in seconds to access the file path.
  14. Returns None if the file doesn't exist.
  15. """
  16. start_time = time.time()
  17. try:
  18. for _ in range(num_iterations):
  19. os.path.exists(filepath) # Check if the path exists
  20. except FileNotFoundError:
  21. print(f"Error: File not found: {filepath}")
  22. return None
  23. end_time = time.time()
  24. elapsed_time = end_time - start_time
  25. average_time = elapsed_time / num_iterations
  26. return average_time
  29. if __name__ == '__main__':
  30. # Example usage
  31. filepath1 = "." # Current directory
  32. filepath2 = "../data/temp_file.txt" # Example path (create the directory/file if needed)
  33. filepath3 = "/path/that/does/not/exist" # Example non-existent path
  35. performance1 = measure_filepath_performance(filepath1)
  36. performance2 = measure_filepath_performance(filepath2)
  37. performance3 = measure_filepath_performance(filepath3)
  39. if performance1 is not None:
  40. print(f"Average time for {filepath1}: {performance1:.6f} seconds")
  41. if performance2 is not None:
  42. print(f"Average time for {filepath2}: {performance2:.6f} seconds")
  43. if performance3 is not None:
  44. print(f"Average time for {filepath3}: {performance3:.6f} seconds")

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