243 def _removedirs(name):

   244     """special version of os.removedirs that does not remove symlinked

   245     directories or junction points if they actually contain files"""

   246     if osutil.listdir(name):

   247         return

   248     os.rmdir(name)

   249     head, tail = os.path.split(name)

   250     if not tail:

   251         head, tail = os.path.split(head)

   252     while head and tail:

   253         try:

   254             if osutil.listdir(name):

   255                 return

   256             os.rmdir(head)

   257         except:

   258             break

   259         head, tail = os.path.split(head)

   260 

   261 def unlink(f):

   262     """unlink and remove the directory if it is empty"""

   263     os.unlink(f)

   264     # try removing directories that might now be empty

   265     try:

   266         _removedirs(os.path.dirname(f))

   267     except OSError:

   268         pass

   269