use display_error_chain::DisplayErrorChain;
use gemini_rust::Gemini;
use std::fs;
use std::process::ExitCode;
use tracing::info;
#[tokio::main]
async fn main() -> ExitCode {
tracing_subscriber::fmt()
.with_env_filter(
tracing_subscriber::EnvFilter::builder()
.with_default_directive(tracing::level_filters::LevelFilter::INFO.into())
.from_env_lossy(),
)
.init();
match do_main().await {
Ok(()) => ExitCode::SUCCESS,
Err(e) => {
let error_chain = DisplayErrorChain::new(e.as_ref());
tracing::error!(error.debug = ?e, error.chained = %error_chain, "execution failed");
ExitCode::FAILURE
}
}
}
async fn do_main() -> Result<(), Box<dyn std::error::Error>> {
let api_key = std::env::var("GEMINI_API_KEY").expect("GEMINI_API_KEY must be set");
let gemini = Gemini::new(&api_key)?;
info!("uploading a file with known content");
let file_handle = gemini
.create_file(fs::read("examples/sample.mp4")?)
.display_name("sample.mp4")
.with_mime_type("audio/mp4".parse()?)
.upload()
.await?;
info!(file_name = file_handle.name(), "file uploaded successfully");
let response = gemini
.generate_content()
.with_system_prompt("You are a secretary.")
.with_user_message_and_file("Summarize this meeting recording?", &file_handle)?
.execute()
.await?;
info!(
response = response.text(),
"response with file content received"
);
info!("✅ Content generation example with file completed successfully!");
Ok(())
}