Function build_module_search_paths

crates/vm/src/getpath.rs:324–356

Build the complete module_search_paths (sys.path)

(settings: &Settings, prefix: &str, exec_prefix: &str)

/// Build the complete module_search_paths (sys.path)
fn build_module_search_paths(settings: &Settings, prefix: &str, exec_prefix: &str) -> Vec<String> {
    let mut paths = Vec::new();

    // 1. PYTHONPATH/RUSTPYTHONPATH from settings
    paths.extend(settings.path_list.iter().cloned());

    // 2. ZIP file path
    let zip_path = PathBuf::from(prefix).join(platform::zip_landmark());
    paths.push(zip_path.to_string_lossy().into_owned());

    // 3. stdlib and platstdlib directories
    #[cfg(not(windows))]
    {
        // POSIX: stdlib first, then lib-dynload
        let stdlib_dir = PathBuf::from(prefix).join(platform::stdlib_subdir());
        paths.push(stdlib_dir.to_string_lossy().into_owned());

        let platstdlib = PathBuf::from(exec_prefix).join(platform::platstdlib_landmark());
        paths.push(platstdlib.to_string_lossy().into_owned());
    }

    #[cfg(windows)]
    {
        // Windows: DLLs first, then Lib
        let platstdlib = PathBuf::from(exec_prefix).join(platform::platstdlib_landmark());
        paths.push(platstdlib.to_string_lossy().into_owned());

        let stdlib_dir = PathBuf::from(prefix).join(platform::STDLIB_SUBDIR);
        paths.push(stdlib_dir.to_string_lossy().into_owned());
    }

    paths
}

/// Get the current executable path
fn get_executable_path() -> Option<PathBuf> {