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
This commit is contained in:
Chih-Hsuan Yen 2020-04-14 06:00:16 +08:00 committed by GitHub
parent 0c13e1f96a
commit 25a6833f79
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1 changed files with 7 additions and 1 deletions

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@ -19,7 +19,11 @@ from itertools import chain
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 @@ class BaseTest(unittest.TestCase):
Future, _WorkItem,
Morsel,
):
if t is None:
continue
tname = t.__name__
with self.subTest(f"Testing {tname}"):
alias = t[int]