compileapp.py 文件源码

def read_pyc(filename):
    """
    Read the code inside a bytecode compiled file if the MAGIC number is
    compatible

    Returns:
        a code object
    """
    data = read_file(filename, 'rb')
    if not is_gae and data[:4] != imp.get_magic():
        raise SystemError('compiled code is incompatible')
    return marshal.loads(data[marshal_header_size:])