fn refill()

in bindings/python/src/utils/iterators.rs [80:110]

28 lines of code
6 McCabe index (conditional complexity)


    fn refill(&mut self) -> PyResult<()> {
        if self.iter.is_none() {
            return Ok(());
        }

        Python::with_gil(|py| loop {
            if self.buffer.len() >= self.size {
                return Ok(());
            }

            match unsafe {
                Bound::from_owned_ptr_or_opt(
                    py,
                    pyo3::ffi::PyIter_Next(self.iter.as_ref().unwrap().bind(py).as_ptr()),
                )
            } {
                Some(obj) => self.buffer.extend((self.converter)(obj)),
                None => {
                    if PyErr::occurred(py) {
                        return Err(PyErr::fetch(py));
                    } else {
                        self.iter = None;
                    }
                }
            };

            if self.iter.is_none() {
                return Ok(());
            }
        })
    }