Lib.rs

ml-downloader

Simple blocking downloader, featuring:

• retries with custom delays
• custom interval between successful downloads for rate limiting
• hash check (optional)
• based on reqwest

Examples

Simple usage

Create Downloader with default configuration and then download one file.

use ml_downloader::Downloader;

let mut downloader = Downloader::new()?;
let bytes = downloader.get("https://example.com/").send()?;
# Ok::<(), ml_downloader::Error>(())

Custom configuration

Create Downloader with

• "foobar/1.0" as USER_AGENT
• 1.0 - 1.1 seconds interval between successful downloads
• two retries after failed download
  • 2.0 - 2.2 seconds delay after initial failure
  • 5.0 - 5.5 seconds delay after 2nd failure

use ml_downloader::Downloader;

let mut downloader = Downloader::builder()
    .reqwest(|cb| cb.user_agent("foobar/1.0"))
    .interval(1.0, 1.1)
    .retry_delays(&[(2.0, 2.2), (5.0, 5.5)])
    .build()?;

# Ok::<(), ml_downloader::Error>(())