From 02c298da4fca72d2c46697ba39118b0b37a398ab Mon Sep 17 00:00:00 2001
From: Derek Kim <bluewhale8202@interpark.com>
Date: Tue, 15 May 2018 18:55:51 +0900
Subject: [PATCH 1/5] Changed unnecessarily complex way of updating of __all__
 and globals in __init__.py

---
 Lib/multiprocessing/__init__.py | 5 ++---
 Lib/multiprocessing/context.py  | 4 +---
 2 files changed, 3 insertions(+), 6 deletions(-)

diff --git a/Lib/multiprocessing/__init__.py b/Lib/multiprocessing/__init__.py
index 86df6383703756..ce615a90af85a6 100644
--- a/Lib/multiprocessing/__init__.py
+++ b/Lib/multiprocessing/__init__.py
@@ -19,9 +19,8 @@
 # Copy stuff from default context
 #
 
-globals().update((name, getattr(context._default_context, name))
-                 for name in context._default_context.__all__)
-__all__ = context._default_context.__all__
+__all__ = [x for x in dir(context._default_context) if not x[0].startswith('_')]
+globals().update((name, getattr(context._default_context, name)) for name in __all__)
 
 #
 # XXX These should not really be documented or public.
diff --git a/Lib/multiprocessing/context.py b/Lib/multiprocessing/context.py
index c98ee434249037..6ad1255aa8eac6 100644
--- a/Lib/multiprocessing/context.py
+++ b/Lib/multiprocessing/context.py
@@ -24,7 +24,7 @@ class AuthenticationError(ProcessError):
     pass
 
 #
-# Base type for contexts
+# Base type for contexts. Bound methods of an instance of this type are included in __all__ of __init__.py
 #
 
 class BaseContext(object):
@@ -261,8 +261,6 @@ def get_all_start_methods(self):
             else:
                 return ['fork', 'spawn']
 
-DefaultContext.__all__ = [x for x in dir(DefaultContext) if x[0] != '_']
-
 #
 # Context types for fixed start method
 #

From eb07cb545f3e3ed5708edf5dee4591d6f89df470 Mon Sep 17 00:00:00 2001
From: Derek Kim <bluewhale8202@interpark.com>
Date: Tue, 15 May 2018 19:01:06 +0900
Subject: [PATCH 2/5] Maybe a misguiding comment

---
 Lib/multiprocessing/context.py | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/Lib/multiprocessing/context.py b/Lib/multiprocessing/context.py
index 6ad1255aa8eac6..97f128bc13e649 100644
--- a/Lib/multiprocessing/context.py
+++ b/Lib/multiprocessing/context.py
@@ -5,7 +5,7 @@
 from . import process
 from . import reduction
 
-__all__ = []            # things are copied from here to __init__.py
+__all__ = []
 
 #
 # Exceptions

From 25335c38d5ff7ccbb0b7030f409a52a75b1b2426 Mon Sep 17 00:00:00 2001
From: Derek Kim <bluewhale8202@interpark.com>
Date: Fri, 1 Jun 2018 11:00:41 +0900
Subject: [PATCH 3/5] Added a trivial test for __all__

---
 Lib/test/_test_multiprocessing.py | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/Lib/test/_test_multiprocessing.py b/Lib/test/_test_multiprocessing.py
index 8b6bc4b23a0267..792e3d2a41a171 100644
--- a/Lib/test/_test_multiprocessing.py
+++ b/Lib/test/_test_multiprocessing.py
@@ -4573,6 +4573,12 @@ def test_empty(self):
 
         proc.join()
 
+
+class MiscTestCase(unittest.TestCase):
+    def test__all__(self):
+        # Just make sure names in blacklist are excluded
+        support.check__all__(self, multiprocessing, extra=multiprocessing.__all__,
+                             blacklist=['SUBDEBUG', 'SUBWARNING'])
 #
 # Mixins
 #

From ef222acdc8ca9211887398d636051bf8f6e5caec Mon Sep 17 00:00:00 2001
From: Derek Kim <bluewhale8202@interpark.com>
Date: Tue, 3 Jul 2018 17:43:57 +0900
Subject: [PATCH 4/5] Trivial error fixed

---
 Lib/multiprocessing/__init__.py | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/Lib/multiprocessing/__init__.py b/Lib/multiprocessing/__init__.py
index ce615a90af85a6..8336f381decaac 100644
--- a/Lib/multiprocessing/__init__.py
+++ b/Lib/multiprocessing/__init__.py
@@ -19,7 +19,7 @@
 # Copy stuff from default context
 #
 
-__all__ = [x for x in dir(context._default_context) if not x[0].startswith('_')]
+__all__ = [x for x in dir(context._default_context) if not x.startswith('_')]
 globals().update((name, getattr(context._default_context, name)) for name in __all__)
 
 #

From 2e617a25cd3f1f07a431eb4d3888ec212004945a Mon Sep 17 00:00:00 2001
From: Derek Kim <bluewhale8202@interpark.com>
Date: Tue, 3 Jul 2018 17:44:42 +0900
Subject: [PATCH 5/5] __all__ is not supposed to be modified

---
 Lib/multiprocessing/context.py | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/Lib/multiprocessing/context.py b/Lib/multiprocessing/context.py
index 97f128bc13e649..871746b1a047b3 100644
--- a/Lib/multiprocessing/context.py
+++ b/Lib/multiprocessing/context.py
@@ -5,7 +5,7 @@
 from . import process
 from . import reduction
 
-__all__ = []
+__all__ = ()
 
 #
 # Exceptions