nautilus_testkit/python/
files.rs

1// -------------------------------------------------------------------------------------------------
2//  Copyright (C) 2015-2025 Posei Systems Pty Ltd. All rights reserved.
3//  https://poseitrader.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::path::Path;
17
18use nautilus_core::python::to_pyruntime_err;
19use pyo3::prelude::*;
20
21use crate::files::ensure_file_exists_or_download_http;
22
23/// Python wrapper for `ensure_file_exists_or_download_http`.
24///
25/// Ensures that a file exists at the specified path by downloading it if necessary.
26///
27/// # Errors
28///
29/// Returns an error if:
30/// - The HTTP request fails or returns a non-success status code: `PyErr`.
31/// - Any I/O operation fails during file creation, reading, or writing: `PyErr`.
32/// - Checksum verification or JSON parsing fails: `PyErr`.
33#[pyfunction(name = "ensure_file_exists_or_download_http")]
34#[pyo3(signature = (filepath, url, checksums=None))]
35pub fn py_ensure_file_exists_or_download_http(
36    filepath: &str,
37    url: &str,
38    checksums: Option<&str>,
39) -> PyResult<()> {
40    let filepath = Path::new(filepath);
41    let checksums = checksums.map(Path::new);
42    ensure_file_exists_or_download_http(filepath, url, checksums).map_err(to_pyruntime_err)
43}
nautilus_testkit/python/files.rs

nautilus_testkit/python/
files.rs
