[Python-checkins] r86394 - peps/trunk/pep-3151.txt
antoine.pitrou
python-checkins at python.org
Wed Nov 10 11:01:57 CET 2010
Author: antoine.pitrou
Date: Wed Nov 10 11:01:57 2010
New Revision: 86394
Log:
Mention socket.gaierror and socket.timeout
Modified:
peps/trunk/pep-3151.txt
Modified: peps/trunk/pep-3151.txt
==============================================================================
--- peps/trunk/pep-3151.txt (original)
+++ peps/trunk/pep-3151.txt Wed Nov 10 11:01:57 2010
@@ -47,6 +47,8 @@
+-- io.BlockingIOError
+-- io.UnsupportedOperation (also inherits from ValueError)
+-- socket.error
+ +-- socket.gaierror
+ +-- socket.timeout
+-- OSError
+-- VMSError
+-- WindowsError
@@ -222,6 +224,8 @@
+-- IOError (replacing OSError, WindowsError, EnvironmentError, etc.)
+-- io.BlockingIOError
+-- io.UnsupportedOperation (also inherits from ValueError)
+ +-- socket.gaierror
+ +-- socket.timeout
Justification
-------------
@@ -360,8 +364,8 @@
* ``ConnectionResetError``: connection reset by peer (ECONNRESET)
* ``TimeoutError``: connection timed out (ECONNTIMEOUT); this can be re-cast
- as a generic timeout exception, useful for other types of timeout (for
- example in Lock.acquire())
+ as a generic timeout exception, replacing ``socket.timeout`` and also useful
+ for other types of timeout (for example in Lock.acquire())
In addition, the following exception class are proposed for inclusion:
@@ -510,7 +514,12 @@
in order to propagate errors signalled by the ``OpenSSL`` library. Ideally,
``SSLError`` would benefit from a similar but separate treatment since it
defines its own constants for error types (``ssl.SSL_ERROR_WANT_READ``,
-etc.).
+etc.). However, ``SSLError`` should be replaced with ``TimeoutError`` in
+the case it signals a socket timeout.
+
+Endly, the fate of ``socket.gaierror`` is not settled. While it would
+deserve a less cryptic name, this can be handled separately from the
+exception hierarchy reorganization effort.
.. _Appendix A:
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