index = child.expect(['\n',pexpect.EOF,pexpect.TIMEOUT])AttributeError: 'str' object has no attribute 'write'
时间: 2024-08-04 14:01:21 浏览: 65
这个错误提示通常发生在使用Python的`pexpect`库时,当你试图调用`child.write()`方法,但`child`实际上是一个字符串对象而不是`pexpect.spawn`或者`pexpect Expecter`实例。`write()`方法是用来向进程写入数据的,而在这个上下文中,`child`应该是代表一个正在运行的命令行进程或shell。
`index = child.expect(['\n', pexpect.EOF, pexpect.TIMEOUT])`这行代码看起来像是在尝试从`child`期望特定的输出模式,`'\n'`表示换行符,`EOF`表示进程结束,`TIMEOUT`则表示超时。但是,如果你之前没有正确初始化`child`,比如忘记创建一个新的进程,那么`child`将会是一个字符串或None,而不是`pexpect`对象,因此会引发这个`AttributeError`。
修复这个问题的关键是要确认`child`是否已经被正确地初始化为一个`pexpect.spawn`实例,并且在使用`write()`方法前确保它已经指向一个可交互的对象。
相关问题
AttributeError: 'NoneType' object has no attribute 'expect_response'
AttributeError: 'NoneType' object has no attribute 'expect_response'是一个错误提示,它表示在某个对象的属性中,没有找到名为'expect_response'的属性。这个错误通常发生在代码执行过程中,当尝试访问一个不存在的属性时会触发。根据提供的引用内容,我无法确定具体的上下文和代码片段,因此无法为您提供更详细的解释和解决方法。如果您能提供更多关于该错误的上下文信息和代码片段,我将能够更好地帮助您找到解决方案。<span class="em">1</span><span class="em">2</span><span class="em">3</span>
#### 引用[.reference_title]
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[ .reference_list ]
AttributeError: 'Page' object has no attribute 'getPixmap'
This error message suggests that you are trying to use the method `getPixmap` on an object of the class `Page`, but that class does not have that method defined.
This could happen if you are using a library or framework that defines its own `Page` class that does not have the `getPixmap` method. Alternatively, it could be that you are using the `Page` class from a different version or implementation of the library than what you expect.
To solve this error, you may need to check the documentation or source code of the library or framework you are using to ensure that you are using the correct method for the `Page` class. You may also need to update your library or framework to a version that supports the `getPixmap` method.
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