Fixed Issue6312 - httplib fails with HEAD requests to pages with "transfer-encoding: chunked"
diff --git a/Lib/httplib.py b/Lib/httplib.py
index 43c8797..5eb3f0d 100644
--- a/Lib/httplib.py
+++ b/Lib/httplib.py
@@ -524,6 +524,9 @@
         if self.fp is None:
             return ''
 
+        if self._method == 'HEAD':
+            return ''
+
         if self.chunked:
             return self._read_chunked(amt)
 
diff --git a/Lib/test/test_httplib.py b/Lib/test/test_httplib.py
index 107b904..a618c43 100644
--- a/Lib/test/test_httplib.py
+++ b/Lib/test/test_httplib.py
@@ -212,6 +212,23 @@
             finally:
                 resp.close()
 
+    def test_chunked_head(self):
+        chunked_start = (
+            'HTTP/1.1 200 OK\r\n'
+            'Transfer-Encoding: chunked\r\n\r\n'
+            'a\r\n'
+            'hello world\r\n'
+            '1\r\n'
+            'd\r\n'
+        )
+        sock = FakeSocket(chunked_start + '0\r\n')
+        resp = httplib.HTTPResponse(sock, method="HEAD")
+        resp.begin()
+        self.assertEquals(resp.read(), '')
+        self.assertEquals(resp.status, 200)
+        self.assertEquals(resp.reason, 'OK')
+        resp.close()
+
     def test_negative_content_length(self):
         sock = FakeSocket('HTTP/1.1 200 OK\r\n'
                           'Content-Length: -1\r\n\r\nHello\r\n')