Do not read the response of HEAD requests as httplib seems to be blocking.

Author: Eivind Uggedal

httplib2/__init__.py

@@ -860,7 +860,9 @@ def _conn_request(self, conn, request_uri, method, body, headers):
 else:
 raise
 else:
-content=response.read()
+content=""
+ifmethod!="HEAD":
+content=response.read()
 response=Response(response)
 ifmethod!="HEAD":
 content=_decompressContent(response, content)

httplib2test.py

@@ -556,6 +556,14 @@ def testHeadGZip(self):
 self.assertNotEqual(int(response['content-length']), 0)
 self.assertEqual(content, "")
 
+deftestHeadRead(self):
+# Test that we don't try to read the response of a HEAD request
+# since httplib blocks response.read() for HEAD requests.
+uri="http://www.google.com"
+ (response, content) =self.http.request(uri, "HEAD")
+self.assertEqual(response.status, 200)
+self.assertEqual(content, "")
+
 deftestGetGZip(self):
 # Test that we support gzip compression
 uri=urlparse.urljoin(base, "gzip/final-destination.txt")