[Python-checkins] cpython (3.2): Issue #15842: the SocketIO.{readable,writable,seekable} methods now raise
antoine.pitrou
python-checkins at python.org
Fri Sep 14 17:34:18 CEST 2012
http://hg.python.org/cpython/rev/fad797916266
changeset: 79026:fad797916266
branch: 3.2
parent: 79023:b01eb870f84f
user: Antoine Pitrou <solipsis at pitrou.net>
date: Fri Sep 14 17:28:10 2012 +0200
summary:
Issue #15842: the SocketIO.{readable,writable,seekable} methods now raise ValueError when the file-like object is closed.
Patch by Alessandro Moura.
files:
Lib/socket.py | 15 +++++++++++++--
Lib/test/test_socket.py | 11 +++++++++++
Misc/NEWS | 4 ++++
3 files changed, 28 insertions(+), 2 deletions(-)
diff --git a/Lib/socket.py b/Lib/socket.py
--- a/Lib/socket.py
+++ b/Lib/socket.py
@@ -315,12 +315,23 @@
def readable(self):
"""True if the SocketIO is open for reading.
"""
- return self._reading and not self.closed
+ if self.closed:
+ raise ValueError("I/O operation on closed socket.")
+ return self._reading
def writable(self):
"""True if the SocketIO is open for writing.
"""
- return self._writing and not self.closed
+ if self.closed:
+ raise ValueError("I/O operation on closed socket.")
+ return self._writing
+
+ def seekable(self):
+ """True if the SocketIO is open for seeking.
+ """
+ if self.closed:
+ raise ValueError("I/O operation on closed socket.")
+ return super().seekable()
def fileno(self):
"""Return the file descriptor of the underlying socket.
diff --git a/Lib/test/test_socket.py b/Lib/test/test_socket.py
--- a/Lib/test/test_socket.py
+++ b/Lib/test/test_socket.py
@@ -839,6 +839,17 @@
fp.close()
self.assertEqual(repr(fp), "<_io.BufferedReader name=-1>")
+ def test_unusable_closed_socketio(self):
+ with socket.socket() as sock:
+ fp = sock.makefile("rb", buffering=0)
+ self.assertTrue(fp.readable())
+ self.assertFalse(fp.writable())
+ self.assertFalse(fp.seekable())
+ fp.close()
+ self.assertRaises(ValueError, fp.readable)
+ self.assertRaises(ValueError, fp.writable)
+ self.assertRaises(ValueError, fp.seekable)
+
def testListenBacklog0(self):
srv = socket.socket(socket.AF_INET, socket.SOCK_STREAM)
srv.bind((HOST, 0))
diff --git a/Misc/NEWS b/Misc/NEWS
--- a/Misc/NEWS
+++ b/Misc/NEWS
@@ -120,6 +120,10 @@
Library
-------
+- Issue #15842: the SocketIO.{readable,writable,seekable} methods now
+ raise ValueError when the file-like object is closed. Patch by Alessandro
+ Moura.
+
- Issue #15881: Fixed atexit hook in multiprocessing. Original patch
by Chris McDonough.
--
Repository URL: http://hg.python.org/cpython
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