mirror of
https://github.com/denoland/deno.git
synced 2024-11-28 16:20:57 -05:00
7bcf1211a1
Exposes [`metadata`](https://jupyter-client.readthedocs.io/en/latest/messaging.html#metadata) to the `Deno.jupyter.broadcast` API. ```js await Deno.jupyter.broadcast(msgType, content, metadata); ``` The metadata is required for [`"comm_open"`](https://github.com/jupyter-widgets/ipywidgets/blob/main/packages/schema/messages.md#instantiating-a-widget-object-1) for with `jupyter.widget` target.
83 lines
2 KiB
Rust
83 lines
2 KiB
Rust
// Copyright 2018-2023 the Deno authors. All rights reserved. MIT license.
|
|
|
|
use std::cell::RefCell;
|
|
use std::rc::Rc;
|
|
use std::sync::Arc;
|
|
|
|
use crate::tools::jupyter::jupyter_msg::Connection;
|
|
use crate::tools::jupyter::jupyter_msg::JupyterMessage;
|
|
use crate::tools::jupyter::server::StdioMsg;
|
|
use deno_core::error::AnyError;
|
|
use deno_core::op2;
|
|
use deno_core::serde_json;
|
|
use deno_core::Op;
|
|
use deno_core::OpState;
|
|
use tokio::sync::mpsc;
|
|
use tokio::sync::Mutex;
|
|
|
|
deno_core::extension!(deno_jupyter,
|
|
ops = [
|
|
op_jupyter_broadcast,
|
|
],
|
|
options = {
|
|
sender: mpsc::UnboundedSender<StdioMsg>,
|
|
},
|
|
middleware = |op| match op.name {
|
|
"op_print" => op_print::DECL,
|
|
_ => op,
|
|
},
|
|
state = |state, options| {
|
|
state.put(options.sender);
|
|
},
|
|
);
|
|
|
|
#[op2(async)]
|
|
pub async fn op_jupyter_broadcast(
|
|
state: Rc<RefCell<OpState>>,
|
|
#[string] message_type: String,
|
|
#[serde] content: serde_json::Value,
|
|
#[serde] metadata: serde_json::Value,
|
|
) -> Result<(), AnyError> {
|
|
let (iopub_socket, last_execution_request) = {
|
|
let s = state.borrow();
|
|
|
|
(
|
|
s.borrow::<Arc<Mutex<Connection<zeromq::PubSocket>>>>()
|
|
.clone(),
|
|
s.borrow::<Rc<RefCell<Option<JupyterMessage>>>>().clone(),
|
|
)
|
|
};
|
|
|
|
let maybe_last_request = last_execution_request.borrow().clone();
|
|
if let Some(last_request) = maybe_last_request {
|
|
last_request
|
|
.new_message(&message_type)
|
|
.with_content(content)
|
|
.with_metadata(metadata)
|
|
.send(&mut *iopub_socket.lock().await)
|
|
.await?;
|
|
}
|
|
|
|
Ok(())
|
|
}
|
|
|
|
#[op2(fast)]
|
|
pub fn op_print(
|
|
state: &mut OpState,
|
|
#[string] msg: &str,
|
|
is_err: bool,
|
|
) -> Result<(), AnyError> {
|
|
let sender = state.borrow_mut::<mpsc::UnboundedSender<StdioMsg>>();
|
|
|
|
if is_err {
|
|
if let Err(err) = sender.send(StdioMsg::Stderr(msg.into())) {
|
|
eprintln!("Failed to send stderr message: {}", err);
|
|
}
|
|
return Ok(());
|
|
}
|
|
|
|
if let Err(err) = sender.send(StdioMsg::Stdout(msg.into())) {
|
|
eprintln!("Failed to send stdout message: {}", err);
|
|
}
|
|
Ok(())
|
|
}
|