It turns out that __iter__ is one of those magical methods, too. Now tpool supports proxying iterators.

eventlet/tpool.py

@@ -182,8 +182,10 @@ class Proxy(object):
     # the following are a buncha methods that the python interpeter
     # doesn't use getattr to retrieve and therefore have to be defined
     # explicitly
+    def __iter__(self):
+        return proxy_call(self._autowrap, self._obj.__iter__)
     def __getitem__(self, key):
-        return proxy_call(self._autowrap, self._obj.__getitem__, key)
+        return proxy_call(self._autowrap, self._obj.__getitem__, key)    
     def __setitem__(self, key, value):
         return proxy_call(self._autowrap, self._obj.__setitem__, key, value)
     def __deepcopy__(self, memo=None):

tests/tpool_test.py

@@ -13,6 +13,7 @@
 # See the License for the specific language governing permissions and
 # limitations under the License.
 
+import itertools
 import random
 from sys import stdout
 import time
@@ -121,6 +122,14 @@ class TestTpool(LimitedTestCase):
         prox[1] = 2
         self.assertEqual(prox[1], 2)
 
+    @skip_with_pyevent
+    def test_wrap_iterator(self):
+        prox = tpool.Proxy(xrange(10))
+        result = []
+        for i in prox:
+            result.append(i)
+        self.assertEquals(range(10), result)
+
     @skip_with_pyevent
     def test_raising_exceptions(self):
         prox = tpool.Proxy(re)