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// Copyright 2018-2024 the Deno authors. All rights reserved. MIT license.
use crate::args::Flags;
use crate::args::JupyterFlags;
use crate::ops;
use crate::tools::repl;
use crate::tools::test::create_single_test_event_channel;
use crate::tools::test::reporters::PrettyTestReporter;
use crate::tools::test::TestEventWorkerSender;
use crate::util::logger;
use crate::CliFactory;
use deno_core::anyhow::Context;
use deno_core::error::generic_error;
use deno_core::error::AnyError;
use deno_core::located_script_name;
use deno_core::resolve_url_or_path;
use deno_core::serde_json;
use deno_core::url::Url;
use deno_runtime::deno_io::Stdio;
use deno_runtime::deno_io::StdioPipe;
use deno_runtime::permissions::Permissions;
use deno_runtime::permissions::PermissionsContainer;
use deno_runtime::WorkerExecutionMode;
use deno_terminal::colors;
use runtimelib::jupyter::ConnectionInfo;
use runtimelib::messaging::StreamContent;
use tokio::sync::mpsc;
use tokio::sync::mpsc::UnboundedSender;
mod install;
pub mod server;
pub async fn kernel(
flags: Flags,
jupyter_flags: JupyterFlags,
) -> Result<(), AnyError> {
log::info!(
"{} \"deno jupyter\" is unstable and might change in the future.",
colors::yellow("Warning"),
);
if !jupyter_flags.install && !jupyter_flags.kernel {
install::status()?;
return Ok(());
}
if jupyter_flags.install {
install::install()?;
return Ok(());
}
let connection_filepath = jupyter_flags.conn_file.unwrap();
// This env var might be set by notebook
if std::env::var("DEBUG").is_ok() {
logger::init(Some(log::Level::Debug));
}
let factory = CliFactory::from_flags(flags)?;
let cli_options = factory.cli_options();
let main_module =
resolve_url_or_path("./$deno$jupyter.ts", cli_options.initial_cwd())
.unwrap();
// TODO(bartlomieju): should we run with all permissions?
let permissions = PermissionsContainer::new(Permissions::allow_all());
let npm_resolver = factory.npm_resolver().await?.clone();
let resolver = factory.resolver().await?.clone();
let worker_factory = factory.create_cli_main_worker_factory().await?;
let (stdio_tx, stdio_rx) = mpsc::unbounded_channel();
let conn_file =
std::fs::read_to_string(&connection_filepath).with_context(|| {
format!("Couldn't read connection file: {:?}", connection_filepath)
})?;
let spec: ConnectionInfo =
serde_json::from_str(&conn_file).with_context(|| {
format!(
"Connection file is not a valid JSON: {:?}",
connection_filepath
)
})?;
let (worker, test_event_receiver) = create_single_test_event_channel();
let TestEventWorkerSender {
sender: test_event_sender,
stdout,
stderr,
} = worker;
let mut worker = worker_factory
.create_custom_worker(
WorkerExecutionMode::Jupyter,
main_module.clone(),
permissions,
vec![
ops::jupyter::deno_jupyter::init_ops(stdio_tx.clone()),
ops::testing::deno_test::init_ops(test_event_sender),
],
// FIXME(nayeemrmn): Test output capturing currently doesn't work.
Stdio {
stdin: StdioPipe::inherit(),
stdout: StdioPipe::file(stdout),
stderr: StdioPipe::file(stderr),
},
)
.await?;
worker.setup_repl().await?;
worker.execute_script_static(
located_script_name!(),
"Deno[Deno.internal].enableJupyter();",
)?;
let worker = worker.into_main_worker();
let mut repl_session = repl::ReplSession::initialize(
cli_options,
npm_resolver,
resolver,
worker,
main_module,
test_event_receiver,
)
.await?;
struct TestWriter(UnboundedSender<StreamContent>);
impl std::io::Write for TestWriter {
fn write(&mut self, buf: &[u8]) -> std::io::Result<usize> {
self
.0
.send(StreamContent::stdout(
String::from_utf8_lossy(buf).into_owned(),
))
.ok();
Ok(buf.len())
}
fn flush(&mut self) -> std::io::Result<()> {
Ok(())
}
}
let cwd_url =
Url::from_directory_path(cli_options.initial_cwd()).map_err(|_| {
generic_error(format!(
"Unable to construct URL from the path of cwd: {}",
cli_options.initial_cwd().to_string_lossy(),
))
})?;
repl_session.set_test_reporter_factory(Box::new(move || {
Box::new(
PrettyTestReporter::new(false, true, false, true, cwd_url.clone())
.with_writer(Box::new(TestWriter(stdio_tx.clone()))),
)
}));
server::JupyterServer::start(spec, stdio_rx, repl_session).await?;
Ok(())
}
|
