nautilus_indicators/python/momentum/
psl.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 nautilus_core::python::to_pyvalue_err;
17use nautilus_model::data::Bar;
18use pyo3::prelude::*;
19
20use crate::{
21    average::MovingAverageType, indicator::Indicator, momentum::psl::PsychologicalLine,
22    python::float_precision,
23};
24
25#[pymethods]
26#[pyo3_stub_gen::derive::gen_stub_pymethods]
27impl PsychologicalLine {
28    /// Creates a new `PsychologicalLine` instance.
29    #[new]
30    #[pyo3(signature = (period, ma_type=None))]
31    pub fn py_new(period: usize, ma_type: Option<MovingAverageType>) -> PyResult<Self> {
32        Self::new_checked(period, ma_type).map_err(to_pyvalue_err)
33    }
34
35    fn __repr__(&self) -> String {
36        format!("PsychologicalLine({},{})", self.period, self.ma_type)
37    }
38
39    #[getter]
40    #[pyo3(name = "name")]
41    fn py_name(&self) -> String {
42        self.name()
43    }
44
45    #[getter]
46    #[pyo3(name = "period")]
47    const fn py_period(&self) -> usize {
48        self.period
49    }
50
51    #[getter]
52    #[pyo3(name = "has_inputs")]
53    fn py_has_inputs(&self) -> bool {
54        self.has_inputs()
55    }
56
57    #[getter]
58    #[pyo3(name = "value")]
59    const fn py_value(&self) -> f64 {
60        self.value
61    }
62
63    #[getter]
64    #[pyo3(name = "initialized")]
65    const fn py_initialized(&self) -> bool {
66        self.initialized
67    }
68
69    #[pyo3(name = "update_raw")]
70    fn py_update_raw(&mut self, close: f64) {
71        self.update_raw(close);
72    }
73
74    #[pyo3(name = "handle_bar")]
75    fn py_handle_bar(&mut self, bar: &Bar) -> PyResult<()> {
76        float_precision::check_bar(bar)?;
77        self.handle_bar(bar);
78        Ok(())
79    }
80
81    #[pyo3(name = "reset")]
82    fn py_reset(&mut self) {
83        self.reset();
84    }
85}
nautilus_indicators/python/momentum/psl.rs

nautilus_indicators/python/momentum/
psl.rs
