Using os.spawnv to run and compile files with or without optimization

compile_python_source.py

def compile_python_source(filepath, optimization=False):
    """
    Compile a source file to byte-code and write out
    the byte-code cache file. The source code is loaded
    from the file name *filepath*. The byte-code is cached
    in the normal manner (*filepath* + 'c' or 'o' if
    optimization is enabled).
    """
    from os import spawnv
    from sys import executable, platform

    args = [executable]
    if optimization:
        args.append('-O')
    args += ['-m', 'py_compile']

    if isinstance(filepath, (tuple, list)):
        args.extend(filepath)
    else:
        args.append(filepath)

    if platform == "win32":
        args = ['"%s"' % arg for arg in args]
    return spawnv(os.P_WAIT, executable, args)