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Fix posix tests #5811

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Merged
youknowone merged 4 commits into from
Jun 22, 2025
Merged

Fix posix tests #5811

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1909aeb
Fix PosixSpawnArgs
youknowone Jun 21, 2025
4078992
test_specify_environment
youknowone Jun 21, 2025
dde4302
fixupo
youknowone Jun 21, 2025
151598c
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youknowone Jun 22, 2025
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14 changes: 0 additions & 14 deletions Lib/test/test_posix.py
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Original file line number Diff line number Diff line change
Expand Up @@ -1730,8 +1730,6 @@ def test_no_such_executable(self):
self.assertEqual(pid2, pid)
self.assertNotEqual(status, 0)

# TODO: RUSTPYTHON: TypeError: '_Environ' object is not a mapping
@unittest.expectedFailure
def test_specify_environment(self):
envfile = os_helper.TESTFN
self.addCleanup(os_helper.unlink, envfile)
Expand Down Expand Up @@ -1765,8 +1763,6 @@ def test_empty_file_actions(self):
)
support.wait_process(pid, exitcode=0)

# TODO: RUSTPYTHON: TypeError: Unexpected keyword argument resetids
@unittest.expectedFailure
def test_resetids_explicit_default(self):
pid = self.spawn_func(
sys.executable,
Expand All @@ -1776,8 +1772,6 @@ def test_resetids_explicit_default(self):
)
support.wait_process(pid, exitcode=0)

# TODO: RUSTPYTHON: TypeError: Unexpected keyword argument resetids
@unittest.expectedFailure
def test_resetids(self):
pid = self.spawn_func(
sys.executable,
Expand All @@ -1787,8 +1781,6 @@ def test_resetids(self):
)
support.wait_process(pid, exitcode=0)

# TODO: RUSTPYTHON: TypeError: Unexpected keyword argument setpgroup
@unittest.expectedFailure
def test_setpgroup(self):
pid = self.spawn_func(
sys.executable,
Expand Down Expand Up @@ -1819,8 +1811,6 @@ def test_setsigmask(self):
)
support.wait_process(pid, exitcode=0)

# TODO: RUSTPYTHON: TypeError: Unexpected keyword argument setsigmask
@unittest.expectedFailure
def test_setsigmask_wrong_type(self):
with self.assertRaises(TypeError):
self.spawn_func(sys.executable,
Expand All @@ -1836,8 +1826,6 @@ def test_setsigmask_wrong_type(self):
os.environ, setsigmask=[signal.NSIG,
signal.NSIG+1])

# TODO: RUSTPYTHON: TypeError: Unexpected keyword argument setsid
@unittest.expectedFailure
def test_setsid(self):
rfd, wfd = os.pipe()
self.addCleanup(os.close, rfd)
Expand Down Expand Up @@ -1902,7 +1890,6 @@ def test_setsigdef_wrong_type(self):
[sys.executable, "-c", "pass"],
os.environ, setsigdef=[signal.NSIG, signal.NSIG+1])

# TODO: RUSTPYTHON: TypeError: Unexpected keyword argument scheduler
@unittest.expectedFailure
@requires_sched
@unittest.skipIf(sys.platform.startswith(('freebsd', 'netbsd')),
Expand All @@ -1924,7 +1911,6 @@ def test_setscheduler_only_param(self):
)
support.wait_process(pid, exitcode=0)

# TODO: RUSTPYTHON: TypeError: Unexpected keyword argument scheduler
@unittest.expectedFailure
@requires_sched
@unittest.skipIf(sys.platform.startswith(('freebsd', 'netbsd')),
Expand Down
99 changes: 87 additions & 12 deletions vm/src/stdlib/posix.rs
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Original file line number Diff line number Diff line change
Expand Up @@ -1308,20 +1308,33 @@ pub mod module {
env: crate::function::ArgMapping,
vm: &VirtualMachine,
) -> PyResult<Vec<CString>> {
let keys = env.mapping().keys(vm)?;
let values = env.mapping().values(vm)?;
let items = env.mapping().items(vm)?;

let keys = PyListRef::try_from_object(vm, keys)
.map_err(|_| vm.new_type_error("env.keys() is not a list".to_owned()))?
.borrow_vec()
.to_vec();
let values = PyListRef::try_from_object(vm, values)
.map_err(|_| vm.new_type_error("env.values() is not a list".to_owned()))?
.borrow_vec()
.to_vec();
// Convert items to list if it isn't already
let items = vm.ctx.new_list(
items
.get_iter(vm)?
.iter(vm)?
.collect::<PyResult<Vec<_>>>()?,
);

keys.into_iter()
.zip(values)
items
.borrow_vec()
.iter()
.map(|item| {
let tuple = item
.downcast_ref::<crate::builtins::PyTuple>()
.ok_or_else(|| vm.new_type_error("items() should return tuples".to_owned()))?;
let tuple_items = tuple.as_slice();
if tuple_items.len() != 2 {
return Err(vm.new_value_error(
"items() tuples should have exactly 2 elements".to_owned(),
));
}
Ok((tuple_items[0].clone(), tuple_items[1].clone()))
})
.collect::<PyResult<Vec<_>>>()?
.into_iter()
.map(|(k, v)| {
let k = OsPath::try_from_object(vm, k)?.into_bytes();
let v = OsPath::try_from_object(vm, v)?.into_bytes();
Expand Down Expand Up @@ -1361,6 +1374,16 @@ pub mod module {
file_actions: Option<crate::function::ArgIterable<PyTupleRef>>,
#[pyarg(named, default)]
setsigdef: Option<crate::function::ArgIterable<i32>>,
#[pyarg(named, default)]
setpgroup: Option<libc::pid_t>,
#[pyarg(named, default)]
resetids: bool,
#[pyarg(named, default)]
setsid: bool,
#[pyarg(named, default)]
setsigmask: Option<crate::function::ArgIterable<i32>>,
#[pyarg(named, default)]
scheduler: Option<PyTupleRef>,
}

#[cfg(any(target_os = "linux", target_os = "freebsd", target_os = "macos"))]
Expand Down Expand Up @@ -1459,6 +1482,58 @@ pub mod module {
);
}

// Handle new posix_spawn attributes
let mut flags = 0i32;

if let Some(pgid) = self.setpgroup {
assert!(unsafe { libc::posix_spawnattr_setpgroup(&mut attrp, pgid) } == 0);
flags |= libc::POSIX_SPAWN_SETPGROUP;
}

if self.resetids {
flags |= libc::POSIX_SPAWN_RESETIDS;
}

if self.setsid {
// Note: POSIX_SPAWN_SETSID may not be available on all platforms
#[cfg(target_os = "linux")]
{
flags |= 0x0080; // POSIX_SPAWN_SETSID value on Linux
}
#[cfg(not(target_os = "linux"))]
{
return Err(vm.new_not_implemented_error(
"setsid parameter is not supported on this platform".to_owned(),
));
}
}

if let Some(sigs) = self.setsigmask {
use nix::sys::signal;
let mut set = signal::SigSet::empty();
for sig in sigs.iter(vm)? {
let sig = sig?;
let sig = signal::Signal::try_from(sig).map_err(|_| {
vm.new_value_error(format!("signal number {sig} out of range"))
})?;
set.add(sig);
}
assert!(unsafe { libc::posix_spawnattr_setsigmask(&mut attrp, set.as_ref()) } == 0);
flags |= libc::POSIX_SPAWN_SETSIGMASK;
}

if let Some(_scheduler) = self.scheduler {
// TODO: Implement scheduler parameter handling
// This requires platform-specific sched_param struct handling
return Err(vm.new_not_implemented_error(
"scheduler parameter is not yet implemented".to_owned(),
));
}

if flags != 0 {
assert!(unsafe { libc::posix_spawnattr_setflags(&mut attrp, flags as i16) } == 0);
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}

let mut args: Vec<CString> = self
.args
.iter(vm)?
Expand Down
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