mirror of https://github.com/python/cpython
110 lines
3.2 KiB
Python
110 lines
3.2 KiB
Python
import subprocess
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import sys
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import os
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from typing import NoReturn
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from test import support
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from test.support import os_helper
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from .setup import setup_process, setup_test_dir
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from .runtests import RunTests, JsonFile
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from .single import run_single_test
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from .utils import (
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StrPath, StrJSON, FilterTuple,
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get_temp_dir, get_work_dir, exit_timeout)
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USE_PROCESS_GROUP = (hasattr(os, "setsid") and hasattr(os, "killpg"))
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def create_worker_process(runtests: RunTests, output_fd: int,
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tmp_dir: StrPath | None = None) -> subprocess.Popen:
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python_cmd = runtests.python_cmd
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worker_json = runtests.as_json()
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if python_cmd is not None:
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executable = python_cmd
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else:
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executable = [sys.executable]
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cmd = [*executable, *support.args_from_interpreter_flags(),
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'-u', # Unbuffered stdout and stderr
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'-m', 'test.libregrtest.worker',
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worker_json]
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env = dict(os.environ)
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if tmp_dir is not None:
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env['TMPDIR'] = tmp_dir
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env['TEMP'] = tmp_dir
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env['TMP'] = tmp_dir
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# Emscripten and WASI Python must start in the Python source code directory
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# to get 'python.js' or 'python.wasm' file. Then worker_process() changes
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# to a temporary directory created to run tests.
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work_dir = os_helper.SAVEDCWD
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# Running the child from the same working directory as regrtest's original
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# invocation ensures that TEMPDIR for the child is the same when
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# sysconfig.is_python_build() is true. See issue 15300.
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kwargs = dict(
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env=env,
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stdout=output_fd,
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# bpo-45410: Write stderr into stdout to keep messages order
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stderr=output_fd,
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text=True,
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close_fds=True,
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cwd=work_dir,
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)
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# Pass json_file to the worker process
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json_file = runtests.json_file
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json_file.configure_subprocess(kwargs)
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with json_file.inherit_subprocess():
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return subprocess.Popen(cmd, **kwargs)
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def worker_process(worker_json: StrJSON) -> NoReturn:
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runtests = RunTests.from_json(worker_json)
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test_name = runtests.tests[0]
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match_tests: FilterTuple | None = runtests.match_tests
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# json_file type depends on the platform:
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# - Unix: file descriptor (int)
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# - Windows: handle (int)
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# - Emscripten/WASI or if --python is used: filename (str)
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json_file: JsonFile = runtests.json_file
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setup_test_dir(runtests.test_dir)
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setup_process()
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if runtests.rerun:
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if match_tests:
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matching = "matching: " + ", ".join(match_tests)
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print(f"Re-running {test_name} in verbose mode ({matching})", flush=True)
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else:
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print(f"Re-running {test_name} in verbose mode", flush=True)
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result = run_single_test(test_name, runtests)
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with json_file.open('w', encoding='utf-8') as json_fp:
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result.write_json_into(json_fp)
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sys.exit(0)
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def main():
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if len(sys.argv) != 2:
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print("usage: python -m test.libregrtest.worker JSON")
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sys.exit(1)
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worker_json = sys.argv[1]
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tmp_dir = get_temp_dir()
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work_dir = get_work_dir(tmp_dir, worker=True)
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with exit_timeout():
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with os_helper.temp_cwd(work_dir, quiet=True):
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worker_process(worker_json)
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if __name__ == "__main__":
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main()
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