Issue #3125: Remove copy_reg in multiprocessing and replace it with
ForkingPickler.register() to resolve conflict with ctypes.
diff --git a/Lib/multiprocessing/managers.py b/Lib/multiprocessing/managers.py
index d6b16e5..d1522c2 100644
--- a/Lib/multiprocessing/managers.py
+++ b/Lib/multiprocessing/managers.py
@@ -18,13 +18,12 @@
import weakref
import threading
import array
-import copyreg
import queue
from traceback import format_exc
from multiprocessing import Process, current_process, active_children, Pool, util, connection
from multiprocessing.process import AuthenticationString
-from multiprocessing.forking import exit, Popen, assert_spawning
+from multiprocessing.forking import exit, Popen, assert_spawning, ForkingPickler
from multiprocessing.util import Finalize, info
try:
@@ -38,14 +37,14 @@
def reduce_array(a):
return array.array, (a.typecode, a.tostring())
-copyreg.pickle(array.array, reduce_array)
+ForkingPickler.register(array.array, reduce_array)
view_types = [type(getattr({}, name)()) for name in ('items','keys','values')]
if view_types[0] is not list: # only needed in Py3.0
def rebuild_as_list(obj):
return list, (list(obj),)
for view_type in view_types:
- copyreg.pickle(view_type, rebuild_as_list)
+ ForkingPickler.register(view_type, rebuild_as_list)
#
# Type for identifying shared objects