fix to socket.error processing at Py3 on Windows

2 files changed, 4 insertions, 3 deletions

diff --git a/CHANGES b/CHANGES
index cb966b6..1a0e9f6 100644
--- a/CHANGES
+++ b/CHANGES
@@ -28,6 +28,7 @@ Revision 4.2.2
 - Out of PYTHONPATH MIB paths now supported.
 - Fix to ContextName handling in bytes form whilst running Python3. Data
   mismatch error would return otherwise.
+- Fix to socket.error processing at Py3 on Windows.
 - Fix to oneliner GETNEXT/GETBULK implementation to properly support
   ignoreNonIncreasingOIDs option.
 - Fix to setEndOfMibError()/setNoSuchInstanceError() at v1 PDU not to
diff --git a/pysnmp/carrier/asynsock/dgram/base.py b/pysnmp/carrier/asynsock/dgram/base.py
index c1fd0fb..dc280e5 100644
--- a/pysnmp/carrier/asynsock/dgram/base.py
+++ b/pysnmp/carrier/asynsock/dgram/base.py
@@ -56,7 +56,7 @@ class DgramSocketTransport(AbstractSocketTransport):
         try:
             self.socket.sendto(outgoingMessage, transportAddress)
         except socket.error:
-            if sys.exc_info()[1][0] in sockErrors:
+            if sys.exc_info()[1].args[0] in sockErrors:
                 debug.logger & debug.flagIO and debug.logger('handle_write: ignoring socket error %s' % (sys.exc_info()[1],))
             else:
                 raise socket.error(sys.exc_info()[1])
@@ -73,9 +73,9 @@ class DgramSocketTransport(AbstractSocketTransport):
                 self._cbFun(self, transportAddress, incomingMessage)
                 return
         except socket.error:
-            if sys.exc_info()[1][0] in sockErrors:
+            if sys.exc_info()[1].args[0] in sockErrors:
                 debug.logger & debug.flagIO and debug.logger('handle_read: known socket error %s' % (sys.exc_info()[1],))
-                sockErrors[sys.exc_info()[1][0]] and self.handle_close()
+                sockErrors[sys.exc_info()[1].args[0]] and self.handle_close()
                 return
             else:
                 raise socket.error(sys.exc_info()[1])