nautilus_indicators/python/average/
wma.rs1use nautilus_core::python::to_pyvalue_err;
17use nautilus_model::{
18 data::{Bar, QuoteTick, TradeTick},
19 enums::PriceType,
20};
21use pyo3::prelude::*;
22
23use crate::{
24 average::wma::WeightedMovingAverage,
25 indicator::{Indicator, MovingAverage},
26};
27
28#[pymethods]
29impl WeightedMovingAverage {
30 #[new]
31 #[pyo3(signature = (period, weights, price_type=None))]
32 pub fn py_new(
33 period: usize,
34 weights: Vec<f64>,
35 price_type: Option<PriceType>,
36 ) -> PyResult<Self> {
37 Self::new_checked(period, weights, price_type).map_err(to_pyvalue_err)
38 }
39
40 fn __repr__(&self) -> String {
41 format!("WeightedMovingAverage({},{:?})", self.period, self.weights)
42 }
43
44 #[getter]
45 #[pyo3(name = "name")]
46 fn py_name(&self) -> String {
47 self.name()
48 }
49
50 #[getter]
51 #[pyo3(name = "period")]
52 const fn py_period(&self) -> usize {
53 self.period
54 }
55
56 #[getter]
57 #[pyo3(name = "count")]
58 fn py_count(&self) -> usize {
59 self.count()
60 }
61
62 #[getter]
63 #[pyo3(name = "has_inputs")]
64 fn py_has_inputs(&self) -> bool {
65 self.has_inputs()
66 }
67
68 #[getter]
69 #[pyo3(name = "initialized")]
70 const fn py_initialized(&self) -> bool {
71 self.initialized
72 }
73
74 #[pyo3(name = "handle_quote_tick")]
75 fn py_handle_quote_tick(&mut self, quote: &QuoteTick) {
76 self.py_update_raw(quote.extract_price(self.price_type).into());
77 }
78
79 #[pyo3(name = "handle_trade_tick")]
80 fn py_handle_trade_tick(&mut self, trade: &TradeTick) {
81 self.update_raw((&trade.price).into());
82 }
83
84 #[pyo3(name = "handle_bar")]
85 fn py_handle_bar(&mut self, bar: &Bar) {
86 self.update_raw((&bar.close).into());
87 }
88
89 #[pyo3(name = "reset")]
90 fn py_reset(&mut self) {
91 self.reset();
92 }
93
94 #[pyo3(name = "update_raw")]
95 fn py_update_raw(&mut self, value: f64) {
96 self.update_raw(value);
97 }
98}