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Name	Size	Permission	Date
__pycache__	[ DIR ]	drwxr-xr-x	2026-05-05 23:07
_hypothesis_stubs	[ DIR ]	drwxr-xr-x	2026-05-05 23:07
__init__.py	84 KB	-rw-r--r--	2026-04-20 11:09
ast_helper.py	1.79 KB	-rw-r--r--	2026-04-20 11:09
asynchat.py	11.33 KB	-rw-r--r--	2026-04-20 11:09
asyncore.py	19.9 KB	-rw-r--r--	2026-04-20 11:09
bytecode_helper.py	4.88 KB	-rw-r--r--	2026-04-20 11:09
hashlib_helper.py	1.86 KB	-rw-r--r--	2026-04-20 11:09
hypothesis_helper.py	1.35 KB	-rw-r--r--	2026-04-20 11:09
i18n_helper.py	1.98 KB	-rw-r--r--	2026-04-20 11:09
import_helper.py	10.44 KB	-rw-r--r--	2026-04-20 11:09
interpreters.py	5.67 KB	-rw-r--r--	2026-04-20 11:09
logging_helper.py	916 B	-rw-r--r--	2026-04-20 11:09
os_helper.py	23.82 KB	-rw-r--r--	2026-04-20 11:09
pty_helper.py	2.98 KB	-rw-r--r--	2026-04-20 11:09
script_helper.py	11.59 KB	-rw-r--r--	2026-04-20 11:09
smtpd.py	30.03 KB	-rwxr-xr-x	2026-04-20 11:09
socket_helper.py	13.47 KB	-rw-r--r--	2026-04-20 11:09
testcase.py	4.64 KB	-rw-r--r--	2026-04-20 11:09
threading_helper.py	7.86 KB	-rw-r--r--	2026-04-20 11:09
venv.py	2.3 KB	-rw-r--r--	2026-04-20 11:09
warnings_helper.py	6.69 KB	-rw-r--r--	2026-04-20 11:09

Rename

import contextlib
import logging
import os
import subprocess
import shlex
import sys
import sysconfig
import tempfile
import venv

class VirtualEnvironment:
    def __init__(self, prefix, **venv_create_args):
        self._logger = logging.getLogger(self.__class__.__name__)
        venv.create(prefix, **venv_create_args)
        self._prefix = prefix
        self._paths = sysconfig.get_paths(
            scheme='venv',
            vars={'base': self.prefix},
            expand=True,
        )

@classmethod
    @contextlib.contextmanager
    def from_tmpdir(cls, *, prefix=None, dir=None, **venv_create_args):
        delete = not bool(os.environ.get('PYTHON_TESTS_KEEP_VENV'))
        with tempfile.TemporaryDirectory(prefix=prefix, dir=dir, delete=delete) as tmpdir:
            yield cls(tmpdir, **venv_create_args)

@property
    def prefix(self):
        return self._prefix

@property
    def paths(self):
        return self._paths

@property
    def interpreter(self):
        return os.path.join(self.paths['scripts'], os.path.basename(sys.executable))

def _format_output(self, name, data, indent='\t'):
        if not data:
            return indent + f'{name}: (none)'
        if len(data.splitlines()) == 1:
            return indent + f'{name}: {data}'
        else:
            prefixed_lines = '\n'.join(indent + '> ' + line for line in data.splitlines())
            return indent + f'{name}:\n' + prefixed_lines

def run(self, *args, **subprocess_args):
        if subprocess_args.get('shell'):
            raise ValueError('Running the subprocess in shell mode is not supported.')
        default_args = {
            'capture_output': True,
            'check': True,
        }
        try:
            result = subprocess.run([self.interpreter, *args], **default_args | subprocess_args)
        except subprocess.CalledProcessError as e:
            if e.returncode != 0:
                self._logger.error(
                    f'Interpreter returned non-zero exit status {e.returncode}.\n'
                    + self._format_output('COMMAND', shlex.join(e.cmd)) + '\n'
                    + self._format_output('STDOUT', e.stdout.decode()) + '\n'
                    + self._format_output('STDERR', e.stderr.decode()) + '\n'
                )
            raise
        else:
            return result