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@FiloSottile
Created March 18, 2012 16:43
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How to send a HEAD HTTP request in Python with urllib2
import urllib2
class HeadRequest(urllib2.Request):
def get_method(self):
return "HEAD"
class HEADRedirectHandler(urllib2.HTTPRedirectHandler):
"""
Subclass the HTTPRedirectHandler to make it use our
HeadRequest also on the redirected URL
"""
def redirect_request(self, req, fp, code, msg, headers, newurl):
if code in (301, 302, 303, 307):
newurl = newurl.replace(' ', '%20')
return HeadRequest(newurl,
headers=req.headers,
origin_req_host=req.get_origin_req_host(),
unverifiable=True)
else:
raise urllib2.HTTPError(req.get_full_url(), code, msg, headers, fp)
# Build our opener with the HEADRedirectHandler
opener = urllib2.OpenerDirector()
for handler in [urllib2.HTTPHandler, urllib2.HTTPDefaultErrorHandler,
HEADRedirectHandler,
urllib2.HTTPErrorProcessor, urllib2.HTTPSHandler]:
opener.add_handler(handler())
response = opener.open(HeadRequest(url))
print response.geturl()
print response.info()
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