609: Retry downloading the benchmarks datasets r=Kerollmops a=irevoire

Downloading the benchmarks datasets is failing [more and more](https://github.com/meilisearch/milli/pull/607#pullrequestreview-1076023074) often; thus, instead of fixing the issue, I thought we could retry multiple times.


Co-authored-by: Irevoire <tamo@meilisearch.com>
This commit is contained in:
bors[bot] 2022-08-18 11:47:09 +00:00 committed by GitHub
commit 60a7221827
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@ -80,7 +80,7 @@ fn main() -> anyhow::Result<()> {
}
let url = format!("{}/{}.{}.gz", BASE_URL, dataset, extension);
eprintln!("downloading: {}", url);
let bytes = download_dataset(url.clone())?;
let bytes = retry(|| download_dataset(url.clone()), 10)?;
eprintln!("{} downloaded successfully", url);
eprintln!("uncompressing in {}", out_file.display());
uncompress_in_file(bytes, &out_file)?;
@ -89,6 +89,15 @@ fn main() -> anyhow::Result<()> {
Ok(())
}
fn retry<Ok, Err>(fun: impl Fn() -> Result<Ok, Err>, times: usize) -> Result<Ok, Err> {
for _ in 0..times {
if let ok @ Ok(_) = fun() {
return ok;
}
}
fun()
}
fn download_dataset<U: IntoUrl>(url: U) -> anyhow::Result<Cursor<Bytes>> {
let bytes =
reqwest::blocking::Client::builder().timeout(None).build()?.get(url).send()?.bytes()?;