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// Copyright 2018-2024 the Deno authors. All rights reserved. MIT license.
use deno_core::error::AnyError;
use deno_core::serde_json;
use deno_core::serde_json::json;
use std::env::current_exe;
use std::io::Write;
use std::path::Path;
use jupyter_runtime::dirs::user_data_dir;
const DENO_ICON_32: &[u8] = include_bytes!("./resources/deno-logo-32x32.png");
const DENO_ICON_64: &[u8] = include_bytes!("./resources/deno-logo-64x64.png");
const DENO_ICON_SVG: &[u8] = include_bytes!("./resources/deno-logo-svg.svg");
pub fn status() -> Result<(), AnyError> {
let user_data_dir = user_data_dir()?;
let kernel_spec_dir_path = user_data_dir.join("kernels").join("deno");
let kernel_spec_path = kernel_spec_dir_path.join("kernel.json");
if kernel_spec_path.exists() {
log::info!("✅ Deno kernel already installed");
Ok(())
} else {
log::warn!("ℹ️ Deno kernel is not yet installed, run `deno jupyter --install` to set it up");
Ok(())
}
}
fn install_icon(
dir_path: &Path,
filename: &str,
icon_data: &[u8],
) -> Result<(), AnyError> {
let path = dir_path.join(filename);
let mut file = std::fs::File::create(path)?;
file.write_all(icon_data)?;
Ok(())
}
pub fn install() -> Result<(), AnyError> {
let user_data_dir = user_data_dir()?;
let kernel_dir = user_data_dir.join("kernels").join("deno");
std::fs::create_dir_all(&kernel_dir)?;
let kernel_json_path = kernel_dir.join("kernel.json");
// TODO(bartlomieju): add remaining fields as per
// https://jupyter-client.readthedocs.io/en/stable/kernels.html#kernel-specs
// FIXME(bartlomieju): replace `current_exe` before landing?
let json_data = json!({
"argv": [current_exe().unwrap().to_string_lossy(), "jupyter", "--kernel", "--conn", "{connection_file}"],
"display_name": "Deno",
"language": "typescript",
});
let f = std::fs::File::create(kernel_json_path)?;
serde_json::to_writer_pretty(f, &json_data)?;
install_icon(&user_data_dir, "logo-32x32.png", DENO_ICON_32)?;
install_icon(&user_data_dir, "logo-64x64.png", DENO_ICON_64)?;
install_icon(&user_data_dir, "logo-svg.svg", DENO_ICON_SVG)?;
log::info!("✅ Deno kernelspec installed successfully.");
Ok(())
}
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