Issue #20951: SSLSocket.send() now raises either SSLWantReadError or SSLWantWriteError on a non-blocking socket if the operation would block. Previously, it would return 0.

Patch by Nikolaus Rath.

1 files changed, 1 insertions, 11 deletions

diff --git a/Lib/ssl.py b/Lib/ssl.py
index 9c91096d1d..8f12513e8d 100644
--- a/Lib/ssl.py
+++ b/Lib/ssl.py
@@ -664,17 +664,7 @@ class SSLSocket(socket):
                 raise ValueError(
                     "non-zero flags not allowed in calls to send() on %s" %
                     self.__class__)
-            try:
-                v = self._sslobj.write(data)
-            except SSLError as x:
-                if x.args[0] == SSL_ERROR_WANT_READ:
-                    return 0
-                elif x.args[0] == SSL_ERROR_WANT_WRITE:
-                    return 0
-                else:
-                    raise
-            else:
-                return v
+            return self._sslobj.write(data)
         else:
             return socket.send(self, data, flags)