source.py 文件源码

def compile_(source, filename=None, mode='exec', flags=
            generators.compiler_flag, dont_inherit=0):
    """ compile the given source to a raw code object,
        and maintain an internal cache which allows later
        retrieval of the source code for the code object
        and any recursively created code objects.
    """
    if _ast is not None and isinstance(source, _ast.AST):
        # XXX should Source support having AST?
        return cpy_compile(source, filename, mode, flags, dont_inherit)
    _genframe = sys._getframe(1) # the caller
    s = Source(source)
    co = s.compile(filename, mode, flags, _genframe=_genframe)
    return co