nautilus_model/python/identifiers/
trade_id.rs

1// -------------------------------------------------------------------------------------------------
2//  Copyright (C) 2015-2026 Nautech Systems Pty Ltd. All rights reserved.
3//  https://nautechsystems.io
4//
5//  Licensed under the GNU Lesser General Public License Version 3.0 (the "License");
6//  You may not use this file except in compliance with the License.
7//  You may obtain a copy of the License at https://www.gnu.org/licenses/lgpl-3.0.en.html
8//
9//  Unless required by applicable law or agreed to in writing, software
10//  distributed under the License is distributed on an "AS IS" BASIS,
11//  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
12//  See the License for the specific language governing permissions and
13//  limitations under the License.
14// -------------------------------------------------------------------------------------------------
15
16use std::{
17    collections::hash_map::DefaultHasher,
18    hash::{Hash, Hasher},
19};
20
21use nautilus_core::python::{IntoPyObjectNautilusExt, to_pyvalue_err};
22use pyo3::{
23    IntoPyObjectExt,
24    prelude::*,
25    pyclass::CompareOp,
26    types::{PyString, PyTuple},
27};
28
29use crate::identifiers::TradeId;
30
31#[pymethods]
32impl TradeId {
33    #[new]
34    fn py_new(value: &str) -> PyResult<Self> {
35        Self::new_checked(value).map_err(to_pyvalue_err)
36    }
37
38    fn __setstate__(&mut self, state: &Bound<'_, PyAny>) -> PyResult<()> {
39        let py_tuple: &Bound<'_, PyTuple> = state.cast::<PyTuple>()?;
40        let binding = py_tuple.get_item(0)?;
41        let value_str = binding.cast::<PyString>()?.extract::<&str>()?;
42        *self = Self::new(value_str);
43        Ok(())
44    }
45
46    fn __getstate__(&self, py: Python) -> PyResult<Py<PyAny>> {
47        (self.to_string(),).into_py_any(py)
48    }
49
50    fn __reduce__(&self, py: Python) -> PyResult<Py<PyAny>> {
51        let safe_constructor = py.get_type::<Self>().getattr("_safe_constructor")?;
52        let state = self.__getstate__(py)?;
53        (safe_constructor, PyTuple::empty(py), state).into_py_any(py)
54    }
55
56    #[staticmethod]
57    fn _safe_constructor() -> Self {
58        Self::from("NULL")
59    }
60
61    fn __richcmp__(&self, other: Py<PyAny>, op: CompareOp, py: Python<'_>) -> Py<PyAny> {
62        if let Ok(other) = other.extract::<Self>(py) {
63            match op {
64                CompareOp::Eq => self.eq(&other).into_py_any_unwrap(py),
65                CompareOp::Ne => self.ne(&other).into_py_any_unwrap(py),
66                CompareOp::Ge => self.ge(&other).into_py_any_unwrap(py),
67                CompareOp::Gt => self.gt(&other).into_py_any_unwrap(py),
68                CompareOp::Le => self.le(&other).into_py_any_unwrap(py),
69                CompareOp::Lt => self.lt(&other).into_py_any_unwrap(py),
70            }
71        } else {
72            py.NotImplemented()
73        }
74    }
75
76    fn __hash__(&self) -> isize {
77        let mut h = DefaultHasher::new();
78        self.hash(&mut h);
79        h.finish() as isize
80    }
81
82    fn __repr__(&self) -> String {
83        format!("{}('{}')", stringify!(TradeId), self)
84    }
85
86    fn __str__(&self) -> String {
87        self.to_string()
88    }
89
90    #[getter]
91    fn value(&self) -> &str {
92        self.as_str()
93    }
94
95    #[staticmethod]
96    #[pyo3(name = "from_str")]
97    fn py_from_str(value: &str) -> PyResult<Self> {
98        Self::new_checked(value).map_err(to_pyvalue_err)
99    }
100}