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Issue #3125: Remove copy_reg in multiprocessing and replace it with

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ForkingPickler.register() to resolve conflict with ctypes.
This commit is contained in:
Amaury Forgeot d'Arc 2008-08-19 21:30:55 +00:00
parent 3ad89100c1
commit 949d47dc7a
5 changed files with 66 additions and 58 deletions
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7
Lib/multiprocessing/managers.py
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@ -18,13 +18,12 @@ import sys
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 @@ except ImportError:
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