[pypy-commit] pypy default: thread._local() should be weakrefable

[arigo]

Author: Armin Rigo <arigo at tunes.org>
Branch: 
Changeset: r93582:ecedc8227476
Date: 2017-12-27 07:44 +0100
http://bitbucket.org/pypy/pypy/changeset/ecedc8227476/

Log:	thread._local() should be weakrefable

diff --git a/pypy/module/thread/os_local.py b/pypy/module/thread/os_local.py
--- a/pypy/module/thread/os_local.py
+++ b/pypy/module/thread/os_local.py
@@ -4,7 +4,7 @@
 from pypy.interpreter.error import oefmt
 from pypy.interpreter.executioncontext import ExecutionContext
 from pypy.interpreter.typedef import (TypeDef, interp2app, GetSetProperty,
-    descr_get_dict)
+    descr_get_dict, make_weakref_descr)
 from rpython.rlib.rshrinklist import AbstractShrinkList
 
 
@@ -90,6 +90,7 @@
                         __doc__ = "Thread-local data",
                         __new__ = interp2app(Local.descr_local__new__.im_func),
                         __dict__ = GetSetProperty(descr_get_dict, cls=Local),
+                        __weakref__ = make_weakref_descr(Local),
                         )
 
 def thread_is_stopping(ec):
diff --git a/pypy/module/thread/test/test_local.py b/pypy/module/thread/test/test_local.py
--- a/pypy/module/thread/test/test_local.py
+++ b/pypy/module/thread/test/test_local.py
@@ -102,6 +102,10 @@
         self.waitfor(lambda: len(done) == 5, delay=2)
         assert len(done) == 5
 
+    def test_weakrefable(self):
+        import thread, weakref
+        weakref.ref(thread._local())
+
     def test_local_is_not_immortal(self):
         import thread, gc, time
         class Local(thread._local):