__init__.py 文件源码

def getLineNumberFromAst(a):
    if not isinstance(a, ast.AST):
        return None
    if hasattr(a, "lineno"):
        return a.lineno

    line = None
    for child in ast.iter_child_nodes(a):
        line = getLineNumberFromAst(child)
        if line != None:
            return line
    return line