nautilus_model/python/account/mod.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
16pub mod betting;
17pub mod cash;
18pub mod margin;
19pub mod margin_model;
20pub mod transformer;
21
22use nautilus_core::python::to_pyvalue_err;
23use pyo3::{Py, PyAny, PyResult, Python, conversion::IntoPyObjectExt};
24
25use crate::{
26 accounts::{AccountAny, BettingAccount, CashAccount, MarginAccount},
27 enums::AccountType,
28};
29
30/// Converts a Python account object into a Rust `AccountAny` enum.
31///
32/// # Errors
33///
34/// Returns a `PyErr` if:
35/// - retrieving the `account_type` attribute fails.
36/// - extracting the object into `CashAccount` or `MarginAccount` fails.
37/// - the `account_type` is unsupported.
38#[expect(clippy::needless_pass_by_value)]
39pub fn pyobject_to_account_any(py: Python, account: Py<PyAny>) -> PyResult<AccountAny> {
40 let account_type = account
41 .getattr(py, "account_type")?
42 .extract::<AccountType>(py)?;
43 if account_type == AccountType::Margin {
44 let margin = account.extract::<MarginAccount>(py)?;
45 Ok(AccountAny::Margin(margin))
46 } else if account_type == AccountType::Cash {
47 let cash = account.extract::<CashAccount>(py)?;
48 Ok(AccountAny::Cash(cash))
49 } else if account_type == AccountType::Betting {
50 let betting = account.extract::<BettingAccount>(py)?;
51 Ok(AccountAny::Betting(betting))
52 } else {
53 Err(to_pyvalue_err("Unsupported account type"))
54 }
55}
56
57/// Converts a Rust `AccountAny` into a Python account object.
58///
59/// # Errors
60///
61/// Returns a `PyErr` if converting the underlying account into a Python object fails.
62pub fn account_any_to_pyobject(py: Python, account: AccountAny) -> PyResult<Py<PyAny>> {
63 match account {
64 AccountAny::Margin(account) => account.into_py_any(py),
65 AccountAny::Cash(account) => account.into_py_any(py),
66 AccountAny::Betting(account) => account.into_py_any(py),
67 }
68}