pyapp 0.29.0

Runtime installer for Python applications
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use std::io::Write;

use anyhow::{bail, Context, Result};

use crate::terminal;

pub fn download(url: &String, writer: impl Write, description: &str) -> Result<()> {
    let mut response =
        reqwest::blocking::get(url).with_context(|| format!("download failed: {}", url))?;

    let pb = terminal::io_progress_bar(
        format!("Downloading {}", description),
        response.content_length().unwrap_or(0),
    );
    response.copy_to(&mut pb.wrap_write(writer))?;
    pb.finish_and_clear();

    if response.status().is_success() {
        Ok(())
    } else {
        bail!("download failed: {}, {}", response.status(), url)
    }
}