fallback to BlockingResolver if resolver_ares cannot be imported

44ba28cf · Denis Bilenko · c5b6a1a2 · 44ba28cf
Commit 44ba28cf authored May 02, 2011 by Denis Bilenko
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gevent/hub.py gevent/hub.py +2 -1

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--- a/gevent/hub.py
+++ b/gevent/hub.py
@@ -205,7 +205,8 @@ class Hub(greenlet):

    SYSTEM_ERROR = (KeyboardInterrupt, SystemExit, SystemError)
    loop_class = 'gevent.core.loop'
-    resolver_class = 'gevent.resolver_ares.Resolver'
+    resolver_class = ['gevent.resolver_ares.Resolver',
+                      'gevent.socket.BlockingResolver']
    pformat = 'pprint.pformat'

    def __init__(self, loop=None, default=None):