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Copy pathfrom_spec.rs
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Copy pathfrom_spec.rs
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43 lines (35 loc) · 1.17 KB
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//! cargo run --example from_spec -- examples/box.json
use holm::{Builder, Placement, ScreenId, Spec};
#[derive(Default, serde::Deserialize)]
#[serde(deny_unknown_fields, default)]
struct File {
spec: Spec,
placement: Placement,
}
#[tokio::main]
async fn main() -> holm::Result<()> {
let path = std::env::args()
.nth(1)
.expect("usage: from_spec <spec.json>");
let text = std::fs::read_to_string(&path).expect("a readable spec file");
let file: File = serde_json::from_str(&text).expect("a spec this version understands");
let resolved = holm::spec::resolve(&file.spec)?;
println!(
"{path}: {}x{}, {} screen(s), digest {}",
resolved.width,
resolved.height,
resolved.screens,
file.spec.digest()
);
let computer = Builder::from_spec(&file.spec)?
.place(&file.placement)?
.launch()
.await?;
println!("{} is up", computer.name());
if let Some(url) = computer.screen(ScreenId(0)).await?.viewer_url() {
println!(" viewer {url}");
}
let frame = computer.screenshot().await?;
println!(" a screenshot came back at {} bytes", frame.len());
Ok(())
}