如何在 Python 2 中发送 HEAD HTTP 请求?

2022-01-17 00:00:00 python python-2.7 http-headers http content-type

问题描述

我在这里要做的是获取给定 URL 的标头，以便确定 MIME 类型.例如，我希望能够查看 http://somedomain/foo/ 是否会返回 HTML 文档或 JPEG 图像.因此，我需要弄清楚如何发送 HEAD 请求，以便无需下载内容即可读取 MIME 类型.有谁知道这样做的简单方法?

What I'm trying to do here is get the headers of a given URL so I can determine the MIME type. I want to be able to see if http://somedomain/foo/ will return an HTML document or a JPEG image for example. Thus, I need to figure out how to send a HEAD request so that I can read the MIME type without having to download the content. Does anyone know of an easy way of doing this?

解决方案

edit:这个答案有效，但现在你应该只使用 requests 库，如下面的其他答案所述.

edit: This answer works, but nowadays you should just use the requests library as mentioned by other answers below.

使用 httplib.

>>> import httplib >>> conn = httplib.HTTPConnection("www.google.com") >>> conn.request("HEAD", "/index.html") >>> res = conn.getresponse() >>> print res.status, res.reason 200 OK >>> print res.getheaders() [('content-length', '0'), ('expires', '-1'), ('server', 'gws'), ('cache-control', 'private, max-age=0'), ('date', 'Sat, 20 Sep 2008 06:43:36 GMT'), ('content-type', 'text/html; charset=ISO-8859-1')]

还有一个 getheader(name) 来获取特定的标头.

There's also a getheader(name) to get a specific header.

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