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import os
import sys
import subprocess as sp
import pytest
def pytest_configure(config):
config.addinivalue_line(
"markers", "embedded: the test create an embedded executable"
)
skip_if_win32 = pytest.mark.skipif(
"sys.platform == 'win32'", reason="skipping Posix tests on Windows"
)
skip_if_macos = pytest.mark.skipif(
"sys.platform == 'darwin'", reason="skipping test on macOS"
)
skip_if_pypy = pytest.mark.skipif(
"'__pypy__' in sys.builtin_module_names", reason="skipping test on pypy"
)
skip_if_no_proc_env = pytest.mark.skipif(
"not os.path.exists('/proc/self/environ')",
reason="'/proc/self/environ' not available",
)
skip_if_no_proc_cmdline = pytest.mark.skipif(
"not os.path.exists('/proc/%s/cmdline' % os.getpid())",
reason="'/proc/PID/cmdline' not available",
)
skip_if_no_proc_tasks = pytest.mark.skipif(
"not os.path.exists('/proc/self/task')",
reason="'/proc/self/task' not available",
)
@pytest.fixture(scope="session")
def pyrun(pyconfig):
"""
Build the pyrun executable and return its path
"""
# poor man's make
here = os.path.abspath(os.path.dirname(__file__))
ver2 = "%s.%s" % sys.version_info[:2]
source = os.path.join(here, "pyrun.c")
target = os.path.join(here, f"pyrun{ver2}")
if (
os.path.exists(target)
and os.stat(target).st_mtime > os.stat(source).st_mtime
):
return target
cmdline = ["cc"] # big punt
cmdline.extend(pyconfig("includes"))
cmdline.extend(["-o", target, source])
cmdline.extend(pyconfig("ldflags"))
cmdline.append(f"-L{pyconfig('prefix')[0]}/lib")
sp.check_call(cmdline)
return target
@pytest.fixture(scope="session")
def pyconfig():
"""Return the result of 'python-config --opt' as a list of strings"""
pyexe = os.path.realpath(sys.executable)
ver2 = "%s.%s" % sys.version_info[:2]
for name in (f"python{ver2}-config", "python3-config", "python-config"):
pyconfexe = os.path.join(os.path.dirname(pyexe), name)
if os.path.exists(pyconfexe):
break
else:
pytest.fail(
f"can't find python-config from executable {sys.executable}"
)
# Travis' Python 3.8 is not built with --embed
help = sp.check_output([pyconfexe, "--help"])
has_embed = b"--embed" in help
def pyconfig_func(opt):
cmdline = [pyconfexe, f"--{opt}"]
if has_embed:
cmdline.append("--embed")
bout = sp.check_output(cmdline)
out = bout.decode(
sys.getfilesystemencoding() # sounds like a good bet
)
return out.split()
return pyconfig_func
@pytest.fixture(scope="session")
def spt_directory():
"""
Where is the setproctitle module installed?
"""
rv = run_script(
"""
import os
import setproctitle
print(os.path.dirname(os.path.dirname(setproctitle.__file__)))
"""
)
return rv.rstrip()
@pytest.fixture(scope="function")
def tmp_pypath(monkeypatch, tmp_path):
"""
return a tmp directory which has been added to the python path
"""
monkeypatch.setenv(
"PYTHONPATH",
str(tmp_path) + os.pathsep + os.environ.get("PYTHONPATH", ""),
)
return tmp_path
def run_script(script=None, args=None, executable=None, env=None):
"""run a script in a separate process.
if the script completes successfully, return its ``stdout``,
else fail the test.
"""
if executable is None:
executable = sys.executable
cmdline = str(executable)
if args:
cmdline = cmdline + " " + args
proc = sp.Popen(
cmdline,
stdin=sp.PIPE,
stdout=sp.PIPE,
stderr=sp.PIPE,
env=env,
shell=True,
close_fds=True,
)
out, err = proc.communicate(script and script.encode())
if 0 != proc.returncode:
if out:
print(out.decode("utf8", "replace"), file=sys.stdout)
if err:
print(err.decode("utf8", "replace"), file=sys.stderr)
pytest.fail("test script failed")
# Py3 subprocess generates bytes strings.
out = out.decode()
return out
|
