title: How to compile all py file to pyc file in a folder by writing a python script?
body: <p>I work on win system, and I wonder a way that I can use a python script which could run in cmd lines to mass compile the py files.
  I have write a simple python code.</p>
  
  <pre><code>import py_compile, os, glob
  dir = 'D:\\FAS\\config'
  for f in glob.glob(dir + '\\*.py'):
      py_compile.compile(f)
      print "Success compile the file:   %s" % f
  </code></pre>
  
  <p>It work inconveniently and can not compile the file in the folder's sub-folder. I hope your help.</p>