nautilus_common/python/
fifo.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
16//! Python bindings for FIFO cache.
17
18use pyo3::prelude::*;
19
20use crate::cache::fifo::FifoCache;
21
22#[pyo3::pyclass(
23    name = "FifoCache",
24    module = "nautilus_trader.core.nautilus_pyo3.common"
25)]
26#[derive(Debug)]
27pub struct PyFifoCache {
28    inner: FifoCache<String, 10_000>,
29}
30
31#[pymethods]
32impl PyFifoCache {
33    #[new]
34    fn py_new() -> Self {
35        Self {
36            inner: FifoCache::new(),
37        }
38    }
39
40    fn __repr__(&self) -> String {
41        format!(
42            "FifoCache(capacity={}, len={})",
43            self.inner.capacity(),
44            self.inner.len()
45        )
46    }
47
48    #[getter]
49    fn capacity(&self) -> usize {
50        self.inner.capacity()
51    }
52
53    fn __len__(&self) -> usize {
54        self.inner.len()
55    }
56
57    fn __contains__(&self, key: String) -> bool {
58        self.inner.contains(&key)
59    }
60
61    fn add(&mut self, key: String) {
62        self.inner.add(key);
63    }
64
65    fn remove(&mut self, key: String) {
66        self.inner.remove(&key);
67    }
68
69    fn clear(&mut self) {
70        self.inner.clear();
71    }
72}
nautilus_common/python/fifo.rs

nautilus_common/python/
fifo.rs
