nautilus_indicators/python/momentum/
bias.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, QuoteTick, TradeTick};
18use pyo3::prelude::*;
19
20use crate::{average::MovingAverageType, indicator::Indicator, momentum::bias::Bias};
21
22#[pymethods]
23#[pyo3_stub_gen::derive::gen_stub_pymethods]
24impl Bias {
25    /// Creates a new `Bias` instance.
26    #[new]
27    #[pyo3(signature = (period, ma_type=None))]
28    #[must_use]
29    pub fn py_new(period: usize, ma_type: Option<MovingAverageType>) -> Self {
30        Self::new(period, ma_type)
31    }
32
33    fn __repr__(&self) -> String {
34        format!("Bias({})", self.period)
35    }
36
37    #[getter]
38    #[pyo3(name = "name")]
39    fn py_name(&self) -> String {
40        self.name()
41    }
42
43    #[getter]
44    #[pyo3(name = "period")]
45    const fn py_period(&self) -> usize {
46        self.period
47    }
48
49    #[getter]
50    #[pyo3(name = "has_inputs")]
51    fn py_has_inputs(&self) -> bool {
52        self.has_inputs()
53    }
54
55    #[getter]
56    #[pyo3(name = "count")]
57    const fn py_count(&self) -> usize {
58        self.count
59    }
60
61    #[getter]
62    #[pyo3(name = "value")]
63    const fn py_value(&self) -> f64 {
64        self.value
65    }
66
67    #[getter]
68    #[pyo3(name = "initialized")]
69    const fn py_initialized(&self) -> bool {
70        self.initialized
71    }
72
73    #[pyo3(name = "update_raw")]
74    fn py_update_raw(&mut self, close: f64) {
75        self.update_raw(close);
76    }
77
78    #[pyo3(name = "handle_quote_tick")]
79    fn py_handle_quote_tick(&mut self, quote: &QuoteTick) -> PyResult<()> {
80        self.handle_quote(quote).map_err(to_pyvalue_err)
81    }
82
83    #[pyo3(name = "handle_trade_tick")]
84    fn py_handle_trade_tick(&mut self, trade: &TradeTick) {
85        self.handle_trade(trade);
86    }
87
88    #[pyo3(name = "handle_bar")]
89    fn py_handle_bar(&mut self, bar: &Bar) {
90        self.handle_bar(bar);
91    }
92
93    #[pyo3(name = "reset")]
94    fn py_reset(&mut self) {
95        self.reset();
96    }
97}
nautilus_indicators/python/momentum/bias.rs

nautilus_indicators/python/momentum/
bias.rs
