summaryrefslogtreecommitdiffstats
diff options
context:
space:
mode:
authorSerhiy Storchaka <storchaka@gmail.com>2018-09-17 11:24:01 (GMT)
committerGitHub <noreply@github.com>2018-09-17 11:24:01 (GMT)
commite0e5065daef36dafe10a46eaa8b7800274d73062 (patch)
tree9155e7851c2298fbc2f2d4018c6cff37363a3298
parentddd1949fea59f256e51191540a4446f75ed608fa (diff)
downloadcpython-e0e5065daef36dafe10a46eaa8b7800274d73062.zip
cpython-e0e5065daef36dafe10a46eaa8b7800274d73062.tar.gz
cpython-e0e5065daef36dafe10a46eaa8b7800274d73062.tar.bz2
bpo-34610: Fixed iterator of multiprocessing.managers.DictProxy. (GH-9113)
-rw-r--r--Lib/multiprocessing/managers.py5
-rw-r--r--Lib/test/_test_multiprocessing.py23
-rw-r--r--Misc/NEWS.d/next/Library/2018-09-08-12-57-07.bpo-34610.wmoP5j.rst1
3 files changed, 28 insertions, 1 deletions
diff --git a/Lib/multiprocessing/managers.py b/Lib/multiprocessing/managers.py
index 3f26380..dbed993 100644
--- a/Lib/multiprocessing/managers.py
+++ b/Lib/multiprocessing/managers.py
@@ -1134,10 +1134,13 @@ class ListProxy(BaseListProxy):
DictProxy = MakeProxyType('DictProxy', (
- '__contains__', '__delitem__', '__getitem__', '__len__',
+ '__contains__', '__delitem__', '__getitem__', '__iter__', '__len__',
'__setitem__', 'clear', 'copy', 'get', 'has_key', 'items',
'keys', 'pop', 'popitem', 'setdefault', 'update', 'values'
))
+DictProxy._method_to_typeid_ = {
+ '__iter__': 'Iterator',
+ }
ArrayProxy = MakeProxyType('ArrayProxy', (
diff --git a/Lib/test/_test_multiprocessing.py b/Lib/test/_test_multiprocessing.py
index a5509ce..bb9eb24 100644
--- a/Lib/test/_test_multiprocessing.py
+++ b/Lib/test/_test_multiprocessing.py
@@ -2080,6 +2080,16 @@ class _TestContainers(BaseTestCase):
a.append('hello')
self.assertEqual(f[0][:], [0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 'hello'])
+ def test_list_iter(self):
+ a = self.list(list(range(10)))
+ it = iter(a)
+ self.assertEqual(list(it), list(range(10)))
+ self.assertEqual(list(it), []) # exhausted
+ # list modified during iteration
+ it = iter(a)
+ a[0] = 100
+ self.assertEqual(next(it), 100)
+
def test_list_proxy_in_list(self):
a = self.list([self.list(range(3)) for _i in range(3)])
self.assertEqual([inner[:] for inner in a], [[0, 1, 2]] * 3)
@@ -2110,6 +2120,19 @@ class _TestContainers(BaseTestCase):
self.assertEqual(sorted(d.values()), [chr(i) for i in indices])
self.assertEqual(sorted(d.items()), [(i, chr(i)) for i in indices])
+ def test_dict_iter(self):
+ d = self.dict()
+ indices = list(range(65, 70))
+ for i in indices:
+ d[i] = chr(i)
+ it = iter(d)
+ self.assertEqual(list(it), indices)
+ self.assertEqual(list(it), []) # exhausted
+ # dictionary changed size during iteration
+ it = iter(d)
+ d.clear()
+ self.assertRaises(RuntimeError, next, it)
+
def test_dict_proxy_nested(self):
pets = self.dict(ferrets=2, hamsters=4)
supplies = self.dict(water=10, feed=3)
diff --git a/Misc/NEWS.d/next/Library/2018-09-08-12-57-07.bpo-34610.wmoP5j.rst b/Misc/NEWS.d/next/Library/2018-09-08-12-57-07.bpo-34610.wmoP5j.rst
new file mode 100644
index 0000000..bffb355
--- /dev/null
+++ b/Misc/NEWS.d/next/Library/2018-09-08-12-57-07.bpo-34610.wmoP5j.rst
@@ -0,0 +1 @@
+Fixed iterator of :class:`multiprocessing.managers.DictProxy`.