title: How to get a file close event in python
body: <p>Using python 2.7 on windows 7 64 bit machine.</p>
  
  <p>How to get a file close event:</p>
  
  <ol>
  <li>when file is opened in a new process of file opener (like notepad, wordpad which opens file everytime in new process of wordpad)</li>
  <li>when file is opened in a tab of file opener (like notepad++, which opens all files in new tab but there exist only a single process of notepad++ running)</li>
  </ol>
  
  <p>So, how to get file close event in above cases? Is it possible to achieve above cases through  a common code? I am dealing with different file types</p>