nautilus-execution 0.56.0

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//  Copyright (C) 2015-2026 Nautech Systems Pty Ltd. All rights reserved.
//  https://nautechsystems.io
//
//  Licensed under the GNU Lesser General Public License Version 3.0 (the "License");
//  You may not use this file except in compliance with the License.
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// -------------------------------------------------------------------------------------------------

//! Python bindings for latency model types.

use nautilus_core::UnixNanos;
use pyo3::prelude::*;

use crate::models::latency::StaticLatencyModel;

#[pymethods]
#[pyo3_stub_gen::derive::gen_stub_pymethods]
impl StaticLatencyModel {
    /// Static latency model with fixed latency values.
    ///
    /// Models the latency for different order operations including base network latency
    /// and specific operation latencies for insert, update, and delete operations.
    ///
    /// The base latency is automatically added to each operation latency, matching
    /// Python's behavior. For example, if `base_latency_nanos = 100ms` and
    /// `insert_latency_nanos = 200ms`, the effective insert latency will be 300ms.
    #[new]
    #[pyo3(signature = (
        base_latency_nanos = 0,
        insert_latency_nanos = 0,
        update_latency_nanos = 0,
        cancel_latency_nanos = 0,
    ))]
    fn py_new(
        base_latency_nanos: u64,
        insert_latency_nanos: u64,
        update_latency_nanos: u64,
        cancel_latency_nanos: u64,
    ) -> Self {
        Self::new(
            UnixNanos::from(base_latency_nanos),
            UnixNanos::from(insert_latency_nanos),
            UnixNanos::from(update_latency_nanos),
            UnixNanos::from(cancel_latency_nanos),
        )
    }

    fn __repr__(&self) -> String {
        format!("{self:?}")
    }
}