nautilus_model/python/account/mod.rs
1// -------------------------------------------------------------------------------------------------
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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.
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12// See the License for the specific language governing permissions and
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14// -------------------------------------------------------------------------------------------------
15
16pub mod cash;
17pub mod margin;
18pub mod transformer;
19
20use nautilus_core::python::to_pyvalue_err;
21use pyo3::{PyObject, PyResult, Python, conversion::IntoPyObjectExt};
22
23use crate::{
24 accounts::{AccountAny, CashAccount, MarginAccount},
25 enums::AccountType,
26};
27
28/// Converts a Python account object into a Rust `AccountAny` enum.
29///
30/// # Errors
31///
32/// Returns a `PyErr` if:
33/// - retrieving the `account_type` attribute fails.
34/// - extracting the object into `CashAccount` or `MarginAccount` fails.
35/// - the `account_type` is unsupported.
36pub fn pyobject_to_account_any(py: Python, account: PyObject) -> PyResult<AccountAny> {
37 let account_type = account
38 .getattr(py, "account_type")?
39 .extract::<AccountType>(py)?;
40 if account_type == AccountType::Cash {
41 let cash = account.extract::<CashAccount>(py)?;
42 Ok(AccountAny::Cash(cash))
43 } else if account_type == AccountType::Margin {
44 let margin = account.extract::<MarginAccount>(py)?;
45 Ok(AccountAny::Margin(margin))
46 } else {
47 Err(to_pyvalue_err("Unsupported account type"))
48 }
49}
50
51/// Converts a Rust `AccountAny` into a Python account object.
52///
53/// # Errors
54///
55/// Returns a `PyErr` if converting the underlying account into a Python object fails.
56pub fn account_any_to_pyobject(py: Python, account: AccountAny) -> PyResult<PyObject> {
57 match account {
58 AccountAny::Cash(account) => account.into_py_any(py),
59 AccountAny::Margin(account) => account.into_py_any(py),
60 }
61}