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github: test python3.14 with default forkserver start method overridden to spawn #1397

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github: test python3.14 with default forkserver start method overridden to spawn #1397

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github: test python3.14 with default forkserver start method
zmedico Nov 5, 2024
d1e04d5
Use spawn instead of forkserver
zmedico Nov 5, 2024
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5 changes: 3 additions & 2 deletions .github/workflows/ci.yml
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Original file line number Diff line number Diff line change
Expand Up @@ -33,8 +33,6 @@ jobs:
start-method: 'spawn'
- python-version: '3.13-dev'
start-method: 'spawn'
- python-version: '3.14-dev'
start-method: 'fork'
- python-version: 'pypy-3.10'
start-method: 'spawn'
fail-fast: false
Expand Down Expand Up @@ -98,4 +96,7 @@ jobs:
export PYTEST_ADDOPTS="-vv -ra -l -o console_output_style=count -n $(nproc) --dist=worksteal"
# Use pytest-rerunfailures to workaround pytest-xdist worker crashes with spawn start-method (bug 924416).
[[ "${{ matrix.start-method }}" == "spawn" ]] && PYTEST_ADDOPTS+=" --reruns 5 --only-rerun 'worker .* crashed while running'"
[[ "${{ matrix.start-method }}" == "fork" ]] &&
[[ "${{ matrix.python-version }}" == "3.14-dev" ]] &&
PYTEST_ADDOPTS+=" --reruns 5 --only-rerun 'node down: Not properly terminated'"
meson test -C /tmp/build --verbose
3 changes: 3 additions & 0 deletions lib/portage/process.py
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Expand Up @@ -19,6 +19,9 @@
import os as _os
import warnings

if multiprocessing.get_start_method() == "forkserver":
multiprocessing.set_start_method("spawn", force=True)

from dataclasses import dataclass
from functools import lru_cache, partial
from typing import Any, Optional, Callable, Union
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