8000 Fix test_poll::test_poll3 by youknowone · Pull Request #5718 · RustPython/RustPython · GitHub
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Fix test_poll::test_poll3 #5718

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Merged
merged 2 commits into from
Apr 28, 2025
Merged

Fix test_poll::test_poll3 #5718

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05f9829
test_poll3
youknowone Apr 18, 2025
ca17cb9
Refactor EventMask
youknowone Apr 20, 2025
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test_poll3
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@youknowone
youknowone committed Apr 20, 2025
commit 05f982974668092b74bf74c20a8615c2cbdaa026
2 changes: 0 additions & 2 deletions Lib/test/test_poll.py
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Expand Up @@ -152,8 +152,6 @@ def test_poll2(self):
else:
self.fail('Unexpected return value from select.poll: %s' % fdlist)

# TODO: RUSTPYTHON int overflow
@unittest.expectedFailure
def test_poll3(self):
# test int overflow
pollster = select.poll()
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56 changes: 45 additions & 11 deletions stdlib/src/select.rs
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Expand Up @@ -330,15 +330,18 @@ mod decl {
use super::*;
use crate::vm::{
AsObject, PyPayload,
builtins::PyFloat,
builtins::{PyFloat, PyIntRef},
common::lock::PyMutex,
convert::{IntoPyException, ToPyObject},
function::OptionalArg,
stdlib::io::Fildes,
};
use libc::pollfd;
use num_traits::{Signed, ToPrimitive};
use std::time::{Duration, Instant};
use std::{
convert::TryFrom,
time::{Duration, Instant},
};

#[derive(Default)]
pub(super) struct TimeoutArg<const MILLIS: bool>(pub Option<Duration>);
Expand Down Expand Up @@ -422,20 +425,51 @@ mod decl {
#[pyclass]
impl PyPoll {
#[pymethod]
fn register(&self, Fildes(fd): Fildes, eventmask: OptionalArg<u16>) {
insert_fd(
&mut self.fds.lock(),
fd,
eventmask.map_or(DEFAULT_EVENTS, |e| e as i16),
)
fn register(
&self,
Fildes(fd): Fildes,
eventmask: OptionalArg<PyIntRef>,
vm: &VirtualMachine,
) -> PyResult<()> {
let mask = match eventmask {
OptionalArg::Present(int_ref) => {
let val = int_ref.as_bigint();
if val.is_negative() {
return Err(vm.new_value_error("negative event mask".to_owned()));
}
// Try converting to i16, should raise OverflowError if too large
i16::try_from(val).map_err(|_| {
vm.new_overflow_error("event mask value out of range".to_owned())
})?
}
OptionalArg::Missing => DEFAULT_EVENTS,
};
insert_fd(&mut self.fds.lock(), fd, mask);
Ok(())
}

#[pymethod]
fn modify(&self, Fildes(fd): Fildes, eventmask: u16) -> io::Result<()> {
fn modify(
&self,
Fildes(fd): Fildes,
eventmask: PyIntRef,
vm: &VirtualMachine,
) -> PyResult<()> {
let mask = {
let val = eventmask.as_bigint();
if val.is_negative() {
return Err(vm.new_value_error("negative event mask".to_owned()));
}
// Try converting to i16, should raise OverflowError if too large
i16::try_from(val).map_err(|_| {
vm.new_overflow_error("event mask value out of range".to_owned())
})?
};
let mut fds = self.fds.lock();
// CPython raises KeyError if fd is not registered, match that behavior
let pfd = get_fd_mut(&mut fds, fd)
.ok_or_else(|| io::Error::from_raw_os_error(libc::ENOENT))?;
pfd.events = eventmask as i16;
.ok_or_else(|| vm.new_key_error(vm.ctx.new_int(fd).into()))?;
pfd.events = mask;
Ok(())
}

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0