机械化br.click_link()和br.follow_link()之间的差异 [英] Mechanize difference between br.click_link() and br.follow_link()

问题描述

我正在使用机械化来自动执行某些表单提交.

要执行此操作，我需要转到某个网站的主页，单击带有特定文本的链接，该链接会将我重定向到另一个页面，然后在新页面中填写表格.

我尝试使用

  response = br.follow_link(text_regex="sometext")

  for f in response.forms()
      print f.name

我收到的错误消息是AttributeError:closeable_response实例没有属性'forms'

当我尝试

for f in br.forms()
    print f.name

它在主页中打印表单名称，而不是我重定向到的新页面.

如何在新页面中找到表单的名称?

响应"包含什么?

click_link()和follow_link()有什么区别?机械化文档没有对此做出清楚的解释.

谢谢

解决方案

有关click_link()和follow_link()之间的区别:

两种方法都使用与参数相同的关键字.

• click_link()是一种将返回Request对象的方法，然后该对象可用于创建请求:

  req = br.click_link(text='Sample Text')
  br.open(req)
  

• follow_link()将执行与.open()相同的操作，直接打开链接.

此信息取自以下文档: http://joesourcecode.com/Documentation/mechanize0.2.5 /mechanize._mechanize.Browser-class.html#click_link

Follow_link()行为可以在wwwsearch给出的示例中观察到: http://wwwsearch.sourceforge.net/mechanize/

I am using mechanize to automate some form submissions.

To do that I require to go to the home page of some website, click on a link with a particular text which redirects me to an another page and fill in the form in the new page.

I tried using

  response = br.follow_link(text_regex="sometext")

  for f in response.forms()
      print f.name

The error Message I got was AttributeError: closeable_response instance has no attribute 'forms'

When I tried

for f in br.forms()
    print f.name

It prints the name of forms in the hompage and not the new page I redirect to .

How can find the name of the forms in the new page ?

What does 'response' contain ?

And what is the difference between click_link() and follow_link() . The mechnanize doc doesn't explain this clearly.

Thanks

解决方案

for the difference between click_link() and follow_link():

both methods take the same keywords as parameters.

• click_link() is a method which will return a Request object, which then can be used for creating a request:

  req = br.click_link(text='Sample Text')
  br.open(req)
  

• follow_link() will perform the same action as .open(), directly opening the link.

This information has been taken from the following documentation: http://joesourcecode.com/Documentation/mechanize0.2.5/mechanize._mechanize.Browser-class.html#click_link

Follow_link() behaviour can be observed in the examples given at wwwsearch: http://wwwsearch.sourceforge.net/mechanize/

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