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Close #18754: Run Python child processes in isolated more in the test suite.

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This commit is contained in:
Victor Stinner 2013-10-12 14:44:01 +02:00
parent c2228c8995
commit e8785ff82a
5 changed files with 27 additions and 8 deletions
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18
Lib/test/script_helper.py
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@ -17,8 +17,17 @@ from test.support import make_legacy_pyc, strip_python_stderr, temp_dir
# Executing the interpreter in a subprocess
def _assert_python(expected_success, *args, **env_vars):
if '__isolated' in env_vars:
isolated = env_vars.pop('__isolated')
else:
isolated = not env_vars
cmd_line = [sys.executable, '-X', 'faulthandler']
if not env_vars:
if isolated:
# isolated mode: ignore Python environment variables, ignore user
# site-packages, and don't add the current directory to sys.path
cmd_line.append('-I')
elif not env_vars:
# ignore Python environment variables
cmd_line.append('-E')
# Need to preserve the original environment, for in-place testing of
# shared library builds.
@ -51,6 +60,11 @@ def assert_python_ok(*args, **env_vars):
Assert that running the interpreter with `args` and optional environment
variables `env_vars` succeeds (rc == 0) and return a (return code, stdout,
stderr) tuple.
If the __cleanenv keyword is set, env_vars is used a fresh environment.
Python is started in isolated mode (command line option -I),
except if the __isolated keyword is set to False.
"""
return _assert_python(True, *args, **env_vars)
@ -59,6 +73,8 @@ def assert_python_failure(*args, **env_vars):
Assert that running the interpreter with `args` and optional environment
variables `env_vars` fails (rc != 0) and return a (return code, stdout,
stderr) tuple.
See assert_python_ok() for more options.
"""
return _assert_python(False, *args, **env_vars)