nautilus_model/python/identifiers/
symbol.rsuse std::{
collections::hash_map::DefaultHasher,
ffi::CString,
hash::{Hash, Hasher},
str::FromStr,
};
use nautilus_core::{correctness::check_in_range_inclusive_usize, python::to_pyvalue_err};
use pyo3::{
exceptions::PyValueError,
prelude::*,
pyclass::CompareOp,
types::{PyString, PyTuple},
};
use crate::identifiers::symbol::Symbol;
#[pymethods]
impl Symbol {
#[new]
fn py_new(value: &str) -> PyResult<Self> {
Self::new_checked(value).map_err(to_pyvalue_err)
}
#[staticmethod]
fn _safe_constructor() -> Self {
Self::from("NULL")
}
fn __setstate__(&mut self, py: Python, state: PyObject) -> PyResult<()> {
let value: (&PyString,) = state.extract(py)?;
let value: &str = value.0.extract()?;
self.set_inner(value);
Ok(())
}
fn __getstate__(&self, py: Python) -> PyResult<PyObject> {
Ok((self.to_string(),).to_object(py))
}
fn __reduce__(&self, py: Python) -> PyResult<PyObject> {
let safe_constructor = py.get_type::<Self>().getattr("_safe_constructor")?;
let state = self.__getstate__(py)?;
Ok((safe_constructor, PyTuple::empty(py), state).to_object(py))
}
fn __richcmp__(&self, other: PyObject, op: CompareOp, py: Python<'_>) -> Py<PyAny> {
if let Ok(other) = other.extract::<Self>(py) {
match op {
CompareOp::Eq => self.eq(&other).into_py(py),
CompareOp::Ne => self.ne(&other).into_py(py),
_ => py.NotImplemented(),
}
} else {
py.NotImplemented()
}
}
fn __hash__(&self) -> isize {
let mut h = DefaultHasher::new();
self.hash(&mut h);
h.finish() as isize
}
fn __repr__(&self) -> String {
format!("{}('{}')", stringify!(Symbol), self)
}
fn __str__(&self) -> String {
self.to_string()
}
#[staticmethod]
#[pyo3(name = "from_str")]
fn py_from_str(value: &str) -> PyResult<Self> {
Self::new_checked(value).map_err(to_pyvalue_err)
}
#[getter]
#[pyo3(name = "value")]
fn py_value(&self) -> String {
self.to_string()
}
#[getter]
#[pyo3(name = "is_composite")]
fn py_is_composite(&self) -> bool {
self.is_composite()
}
#[getter]
#[pyo3(name = "root")]
fn py_root(&self) -> &str {
self.root()
}
#[getter]
#[pyo3(name = "topic")]
fn py_topic(&self) -> String {
self.topic()
}
}
impl ToPyObject for Symbol {
fn to_object(&self, py: Python) -> PyObject {
self.into_py(py)
}
}