Set httplib2.RETRIES to 1.

Reviewed in https://codereview.appspot.com/6906051/.

apiclient/discovery.py

@@ -59,6 +59,9 @@ from email.mime.nonmultipart import MIMENonMultipart
 from oauth2client.util import positional
 from oauth2client.anyjson import simplejson
 
+# The client library requires a version of httplib2 that supports RETRIES.
+httplib2.RETRIES = 1
+
 logger = logging.getLogger(__name__)
 
 URITEMPLATE = re.compile('{[^}]*}')

tests/test_discovery.py

@@ -89,6 +89,12 @@ def datafile(filename):
   return os.path.join(DATA_DIR, filename)
 
 
+class SetupHttplib2(unittest.TestCase):
+  def test_retries(self):
+    # Merely loading apiclient.discovery should set the RETRIES to 1.
+    self.assertEqual(1, httplib2.RETRIES)
+
+
 class Utilities(unittest.TestCase):
   def test_key2param(self):
     self.assertEqual('max_results', key2param('max-results'))