fn run_python_script_with_envs()

in include/pyo3/pyo3-build-config/src/impl_.rs [1791:1823]

• 32 lines of code
• 2 McCabe index (conditional complexity)

fn run_python_script_with_envs<I, K, V>(interpreter: &Path, script: &str, envs: I) -> Result<String>
where
    I: IntoIterator<Item = (K, V)>,
    K: AsRef<OsStr>,
    V: AsRef<OsStr>,
{
    let out = Command::new(interpreter)
        .env("PYTHONIOENCODING", "utf-8")
        .envs(envs)
        .stdin(Stdio::piped())
        .stdout(Stdio::piped())
        .stderr(Stdio::inherit())
        .spawn()
        .and_then(|mut child| {
            child
                .stdin
                .as_mut()
                .expect("piped stdin")
                .write_all(script.as_bytes())?;
            child.wait_with_output()
        });

    match out {
        Err(err) => bail!(
            "failed to run the Python interpreter at {}: {}",
            interpreter.display(),
            err
        ),
        Ok(ok) if !ok.status.success() => bail!("Python script failed"),
        Ok(ok) => Ok(String::from_utf8(ok.stdout)
            .context("failed to parse Python script output as utf-8")?),
    }
}