feat(cli): download output to dir

src/bin/gr.rs

@@ -1,3 +1,5 @@
+use std::path::PathBuf;
+
 use anyhow::Result;
 use clap::{arg, Command};
 use gradio::{Client, ClientOptions, PredictionInput};
@@ -7,6 +9,7 @@ async fn main() -> Result<()> {
     let matches = cli().get_matches();
 
     let token = matches.get_one::<String>("token");
+    let output = matches.get_one::<String>("output");
 
     match matches.subcommand() {
         Some(("run", sub_matches)) => {
@@ -16,7 +19,7 @@ async fn main() -> Result<()> {
                 .get_many::<String>("options")
                 .unwrap_or_default()
                 .collect();
-            run_command(space_id, route, options, token).await?;
+            run_command(space_id, route, options, token, output).await?;
         }
         Some(("list", sub_matches)) => {
             let space_id = sub_matches.get_one::<String>("space_id").expect("required");
@@ -34,7 +37,8 @@ fn cli() -> Command {
     Command::new("gr")
         .version(env!("CARGO_PKG_VERSION"))
         .about("Gradio Command Line Client")
-        .arg(arg!(--token <token> "The Hugging Face Access Token"))
+        .arg(arg!(-t --token <token> "The Hugging Face Access Token"))
+        .arg(arg!(-o --output <output> "Output directory, if specified, files will be saved to this directory"))
         .subcommand_required(true)
         .arg_required_else_help(true)
         .subcommand(
@@ -58,6 +62,7 @@ async fn run_command(
     route: &str,
     options: Vec<&String>,
     token: Option<&String>,
+    outdir: Option<&String>,
 ) -> Result<()> {
     let route = format!("/{}", route.trim_start_matches('/'));
 
@@ -105,6 +110,7 @@ async fn run_command(
         }
     }
 
+    let http_client = client.http_client.clone();
     let output = client.predict(&route, data).await?;
     for (i, ret) in endpoint.returns.iter().enumerate() {
         let value = output.get(i).expect("Missing return value");
@@ -117,11 +123,15 @@ async fn run_command(
         };
 
         if value.is_file() {
-            println!(
-                "{}: {}",
-                name,
-                value.clone().as_file()?.url.unwrap_or("".to_string())
-            );
+            let file = value.clone().as_file()?;
+            if let Some(outdir) = outdir {
+                let mut fp = PathBuf::from(outdir);
+                fp.push(format!("{}.{}", name, file.suggest_extension()));
+                file.save_to_path(&fp, Some(http_client.clone())).await?;
+                println!("{}: {}", name, fp.display());
+            } else {
+                println!("{}: {}", name, file.url.unwrap_or("".to_string()));
+            }
         } else {
             println!("{}: {}", name, value.clone().as_value()?);
         }