compile.py 文件源码

def ast_to_code(node: ast.AST, old_code: types.CodeType = None, file: str = None) -> types.CodeType:
    """
    Compile node object to code.
    """

    if node and not isinstance(node, ast.AST):
        raise TypeError('Unexpected type for node: {}'.format(str(type(node))))

    if old_code and not isinstance(old_code, types.CodeType):
        raise TypeError('Unexpected type for old_module: {}'.format(str(type(old_code))))

    result = old_code
    if node:
        file = file or (inspect.getfile(old_code) if old_code else None)
        result = _call_with_frames_removed\
                    ( compile
                    , source       = node
                    , filename     = file or '<file>'
                    , mode         = 'exec'
                    , dont_inherit = True
                    )
    elif not old_code:
        raise ValueError('Not specified value')

    return result