title: add drag and drop support to a python script
body: <p>hi I have a <strong>Python</strong> script that does something simple.
  it simply convert file.txt to file2.txt
  here a very simple script for show you what i want</p>
  
  <pre><code>with open("file.txt", encoding="utf-16-le") as file_in:
  
  with open("file2.txt", "w", encoding="utf-8") as output:
  </code></pre>
  
  <p>I want to add a capability to this script, when i drag <strong>file-text.txt</strong> on this script, script first convert file then output it with name <em>file-text-<strong>out</strong>.txt</em> </p>