nautilus_serialization/python/
enums.rs

1// -------------------------------------------------------------------------------------------------
2//  Copyright (C) 2015-2025 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::str::FromStr;
17
18use nautilus_core::python::to_pyvalue_err;
19use nautilus_model::python::common::EnumIterator;
20use pyo3::{PyTypeInfo, prelude::*, types::PyType};
21
22use crate::enums::ParquetWriteMode;
23
24#[pymethods]
25impl ParquetWriteMode {
26    #[new]
27    fn py_new(py: Python<'_>, value: &Bound<'_, PyAny>) -> PyResult<Self> {
28        let t = Self::type_object(py);
29        Self::py_from_str(&t, value)
30    }
31
32    fn __hash__(&self) -> isize {
33        *self as isize
34    }
35
36    fn __repr__(&self) -> String {
37        format!(
38            "<{}.{}: '{}'>",
39            stringify!(ParquetWriteMode),
40            self.name(),
41            self.value(),
42        )
43    }
44
45    fn __str__(&self) -> String {
46        self.to_string()
47    }
48
49    #[getter]
50    #[must_use]
51    pub fn name(&self) -> String {
52        self.to_string()
53    }
54
55    #[getter]
56    #[must_use]
57    pub fn value(&self) -> u8 {
58        *self as u8
59    }
60
61    #[classmethod]
62    fn variants(_: &Bound<'_, PyType>, py: Python<'_>) -> EnumIterator {
63        EnumIterator::new::<Self>(py)
64    }
65
66    #[classmethod]
67    #[pyo3(name = "from_str")]
68    fn py_from_str(_: &Bound<'_, PyType>, data: &Bound<'_, PyAny>) -> PyResult<Self> {
69        let data_str: &str = data.extract()?;
70        let tokenized = data_str.to_uppercase();
71        Self::from_str(&tokenized).map_err(to_pyvalue_err)
72    }
73
74    #[classattr]
75    #[pyo3(name = "APPEND")]
76    fn py_append() -> Self {
77        Self::Append
78    }
79
80    #[classattr]
81    #[pyo3(name = "PREPEND")]
82    fn py_prepend() -> Self {
83        Self::Prepend
84    }
85
86    #[classattr]
87    #[pyo3(name = "OVERWRITE")]
88    fn py_overwrite() -> Self {
89        Self::Overwrite
90    }
91
92    #[classattr]
93    #[pyo3(name = "NEWFILE")]
94    fn py_newfile() -> Self {
95        Self::NewFile
96    }
97}