bpo-39481: fix test_genericalias on Android (GH-19469)
Android bionic does not implement shm_open/shm_unlink [1].
As a result _posixshmem extension does not exist and
multiprocessing.shared_memory cannot be imported.
[1] https://android.googlesource.com/platform/bionic/+/master/docs/status.md
diff --git a/Lib/test/test_genericalias.py b/Lib/test/test_genericalias.py
index a00899f..02b7283 100644
--- a/Lib/test/test_genericalias.py
+++ b/Lib/test/test_genericalias.py
@@ -19,7 +19,11 @@
from http.cookies import Morsel
from multiprocessing.managers import ValueProxy
from multiprocessing.pool import ApplyResult
-from multiprocessing.shared_memory import ShareableList
+try:
+ from multiprocessing.shared_memory import ShareableList
+except ImportError:
+ # multiprocessing.shared_memory is not available on e.g. Android
+ ShareableList = None
from multiprocessing.queues import SimpleQueue
from os import DirEntry
from re import Pattern, Match
@@ -71,6 +75,8 @@
Future, _WorkItem,
Morsel,
):
+ if t is None:
+ continue
tname = t.__name__
with self.subTest(f"Testing {tname}"):
alias = t[int]