diff options
Diffstat (limited to 'Lib/test/support/__init__.py')
| -rw-r--r-- | Lib/test/support/__init__.py | 13 |
1 files changed, 11 insertions, 2 deletions
diff --git a/Lib/test/support/__init__.py b/Lib/test/support/__init__.py index 401b2ce..14e3766 100644 --- a/Lib/test/support/__init__.py +++ b/Lib/test/support/__init__.py @@ -532,24 +532,33 @@ else: is_emscripten = sys.platform == "emscripten" is_wasi = sys.platform == "wasi" -# Apple mobile platforms (iOS/tvOS/watchOS) are POSIX-like but do not -# have subprocess or fork support. is_apple_mobile = sys.platform in {"ios", "tvos", "watchos"} is_apple = is_apple_mobile or sys.platform == "darwin" has_fork_support = hasattr(os, "fork") and not ( + # WASM and Apple mobile platforms do not support subprocesses. is_emscripten or is_wasi or is_apple_mobile + + # Although Android supports fork, it's unsafe to call it from Python because + # all Android apps are multi-threaded. + or is_android ) def requires_fork(): return unittest.skipUnless(has_fork_support, "requires working os.fork()") has_subprocess_support = not ( + # WASM and Apple mobile platforms do not support subprocesses. is_emscripten or is_wasi or is_apple_mobile + + # Although Android supports subproceses, they're almost never useful in + # practice (see PEP 738). And most of the tests that use them are calling + # sys.executable, which won't work when Python is embedded in an Android app. + or is_android ) def requires_subprocess(): |