138 lines
4.0 KiB
Rust
138 lines
4.0 KiB
Rust
// SPDX-FileCopyrightText: Copyright (c) 2024-2025 NVIDIA CORPORATION & AFFILIATES. All rights reserved.
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// SPDX-License-Identifier: Apache-2.0
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use super::*;
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use crate::llm::model_card::ModelDeploymentCard;
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use std::time::Duration;
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use llm_rs::{
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preprocessor::OpenAIPreprocessor,
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preprocessor::media::{MediaDecoder as RsMediaDecoder, MediaFetcher as RsMediaFetcher},
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protocols::common::llm_backend::{BackendOutput, PreprocessedRequest},
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types::{
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Annotated,
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openai::chat_completions::{
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NvCreateChatCompletionRequest, NvCreateChatCompletionStreamResponse,
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},
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},
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};
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use dynamo_runtime::pipeline::{
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ManyOut, Operator, PushRouter, SegmentSink, ServiceFrontend, SingleIn, Source,
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};
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#[pyclass]
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pub(crate) struct OAIChatPreprocessor {
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inner: Arc<llm_rs::preprocessor::OpenAIPreprocessor>,
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current: Endpoint,
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next: Endpoint,
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}
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#[pymethods]
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impl OAIChatPreprocessor {
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#[new]
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fn new(mdc: ModelDeploymentCard, current: Endpoint, next: Endpoint) -> PyResult<Self> {
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let preprocessor = OpenAIPreprocessor::new(mdc.inner.clone()).map_err(to_pyerr)?;
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Ok(Self {
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inner: preprocessor,
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current,
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next,
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})
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}
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fn start<'p>(&self, py: Python<'p>) -> PyResult<Bound<'p, PyAny>> {
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let frontend = ServiceFrontend::<
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SingleIn<NvCreateChatCompletionRequest>,
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ManyOut<Annotated<NvCreateChatCompletionStreamResponse>>,
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>::new();
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let network =
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SegmentSink::<SingleIn<PreprocessedRequest>, ManyOut<Annotated<BackendOutput>>>::new();
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let preprocessor = self.inner.into_operator();
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let pipeline = frontend
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.link(preprocessor.forward_edge())
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.map_err(to_pyerr)?
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.link(network.clone())
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.map_err(to_pyerr)?
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.link(preprocessor.backward_edge())
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.map_err(to_pyerr)?
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.link(frontend)
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.map_err(to_pyerr)?;
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let ingress = Ingress::for_engine(pipeline).map_err(to_pyerr)?;
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let builder = self.current.inner.endpoint_builder().handler(ingress);
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let endpoint = Arc::new(self.next.inner.clone());
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pyo3_async_runtimes::tokio::future_into_py(py, async move {
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let client = endpoint.client().await.map_err(to_pyerr)?;
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let router = PushRouter::<PreprocessedRequest, Annotated<BackendOutput>>::from_client(
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client,
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Default::default(),
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)
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.await
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.map_err(to_pyerr)?;
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network.attach(Arc::new(router)).map_err(to_pyerr)?;
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builder.start().await.map_err(to_pyerr)?;
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Ok(())
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})
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}
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}
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#[pyclass]
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#[derive(Clone)]
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pub struct MediaDecoder {
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pub(crate) inner: RsMediaDecoder,
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}
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#[pymethods]
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impl MediaDecoder {
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#[new]
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fn new() -> Self {
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Self {
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inner: RsMediaDecoder::default(),
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}
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}
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fn image_decoder(&mut self, image_decoder: &Bound<'_, PyDict>) -> PyResult<()> {
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let image_decoder = pythonize::depythonize(image_decoder).map_err(|err| {
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PyErr::new::<PyException, _>(format!("Failed to parse image_decoder: {}", err))
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})?;
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self.inner.image_decoder = image_decoder;
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Ok(())
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}
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}
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#[pyclass]
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#[derive(Clone)]
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pub struct MediaFetcher {
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pub(crate) inner: RsMediaFetcher,
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}
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#[pymethods]
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impl MediaFetcher {
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#[new]
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fn new() -> Self {
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Self {
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inner: RsMediaFetcher::default(),
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}
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}
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fn user_agent(&mut self, user_agent: String) {
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self.inner.user_agent = user_agent;
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}
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fn allow_direct_ip(&mut self, allow: bool) {
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self.inner.allow_direct_ip = allow;
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}
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fn allow_direct_port(&mut self, allow: bool) {
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self.inner.allow_direct_port = allow;
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}
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fn allowed_media_domains(&mut self, domains: Vec<String>) {
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self.inner.allowed_media_domains = Some(domains.into_iter().collect());
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}
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fn timeout_ms(&mut self, timeout_ms: u64) {
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self.inner.timeout = Some(Duration::from_millis(timeout_ms));
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}
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}
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