This module provides some utility functions to support installing Python libraries. These functions compile Python source files in a directory tree, allowing users without permission to write to the libraries to take advantage of cached byte-code files.
The source file for this module may also be used as a script to
compile Python sources in directories named on the command line or in
sys.path.
10.  If ddir is given, it is used as the base path from 
  which the filenames used in error messages will be generated.  If
  force is true, modules are re-compiled even if the timestamps
  are up to date.
sys.path.
  If skip_curdir is true (the default), the current directory is
  not included in the search.  The maxlevels and
  force parameters default to 0 and are passed to the
  compile_dir() function.
See Also: