__init__.py 文件源码

def childHasTag(a, tag):
    """ Includes the AST itself"""
    if hasattr(a, tag):
        return True
    if type(a) == list:
        for child in a:
            if childHasTag(child, tag):
                return True
        return False
    elif not isinstance(a, ast.AST):
        return False
    for node in ast.walk(a):
        if hasattr(node, tag):
            return True
    return False