[svn r128] With rdw's help, introduce an HttpStreamSuite subclass of HttpSuite whose

get() method returns an open httplib.HTTPResponse object from which you can
incrementally read the response body, get response headers etc. Only lightly
tested.

eventlet/httpc.py

@@ -656,6 +656,51 @@ class HttpSuite(object):
         return self.post_(*args, **kwargs)[-1]
 
 
+class HttpStreamSuite(HttpSuite):
+    def request_(self, params):
+        '''Make an http request to a url, for internal use mostly.'''
+
+        params = _LocalParams(params, instance=self)
+
+        (scheme, location, path, parameters, query,
+         fragment) = urlparse.urlparse(params.url)
+
+        if params.use_proxy:
+            if scheme == 'file':
+                params.use_proxy = False
+            else:
+                params.headers['host'] = location
+
+        if not params.use_proxy:
+            params.path = path
+            if query:
+                params.path += '?' + query
+
+        params.orig_body = params.body
+
+        if params.method in ('PUT', 'POST'):
+            if self.dumper is not None:
+                params.body = self.dumper(params.body)
+            # don't set content-length header because httplib does it
+            # for us in _send_request
+        else:
+            params.body = ''
+
+        params.response = self._get_response_body(params)
+        response = params.response
+
+        return response.status, response.msg, response
+
+    def _get_response_body(self, params):
+        connection = connect(params.url, params.use_proxy)
+        connection.request(params.method, params.path, params.body,
+                           params.headers)
+        params.response = connection.getresponse()
+        #connection.close()
+        self._check_status(params)
+
+        return params.response
+
 def make_suite(dumper, loader, fallback_content_type):
     """ Return a tuple of methods for making http requests with automatic bidirectional formatting with a particular content-type."""
     suite = HttpSuite(dumper, loader, fallback_content_type)