How do you send a HEAD HTTP request in Python 2?

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

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Use 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')]

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

urllib2 can be used to perform a HEAD request. This is a little nicer than using httplib since urllib2 parses the URL for you instead of requiring you to split the URL into host name and path.

>>> import urllib2
>>> class HeadRequest(urllib2.Request):
...     def get_method(self):
...         return "HEAD"
... 
>>> response = urllib2.urlopen(HeadRequest("http://google.com/index.html"))

Headers are available via response.info() as before. Interestingly, you can find the URL that you were redirected to:

>>> print response.geturl()
http://www.google.com.au/index.html