[refactor] centralize logging logic with log_with_level macro; clean up imports and optimize code organization across modules

src/backend.rs

@@ -41,18 +41,15 @@ pub trait TranscribeBackend {
     ) -> Result<Vec<OutputEntry>>;
 }
 
-fn check_lib(names: &[&str]) -> bool {
+fn check_lib(_names: &[&str]) -> bool {
     #[cfg(test)]
     {
         // During unit tests, avoid touching system libs to prevent loader crashes in CI.
-        // Mark parameter as used to silence warnings in test builds.
-        let _ = names;
         false
     }
     #[cfg(not(test))]
     {
         // Disabled runtime dlopen probing to avoid loader instability; rely on environment overrides.
-        let _ = names;
         false
     }
 }

src/lib.rs

@@ -178,27 +178,42 @@ macro_rules! elog {
         eprintln!("ERROR: {}", format!($($arg)*));
     }}
 }
-/// Log a warning to stderr (should generally be printed even in quiet mode).
+/// Internal helper macro used by other logging macros to centralize the
+/// common behavior: build formatted message, check quiet/verbose flags,
+/// and print to stderr with a label.
 #[macro_export]
-macro_rules! wlog {
-    ($($arg:tt)*) => {{
-        eprintln!("WARN: {}", format!($($arg)*));
-    }}
-}
-/// Log an informational line to stderr unless quiet mode is enabled.
-#[macro_export]
-macro_rules! ilog {
-    ($($arg:tt)*) => {{
-        if !$crate::is_quiet() {
-            eprintln!("INFO: {}", format!($($arg)*));
+macro_rules! log_with_level {
+    ($label:expr, $min_lvl:expr, $always:expr, $($arg:tt)*) => {{
+        let should_print = if $always {
+            true
+        } else if let Some(minv) = $min_lvl {
+            !$crate::is_quiet() && $crate::verbose_level() >= minv
+        } else {
+            !$crate::is_quiet()
+        };
+        if should_print {
+            eprintln!("{}: {}", $label, format!($($arg)*));
         }
     }}
 }
+
+/// Log a warning to stderr (printed even in quiet mode).
+#[macro_export]
+macro_rules! wlog {
+    ($($arg:tt)*) => {{ $crate::log_with_level!("WARN", None, true, $($arg)*); }}
+}
+
+/// Log an informational line to stderr unless quiet mode is enabled.
+#[macro_export]
+macro_rules! ilog {
+    ($($arg:tt)*) => {{ $crate::log_with_level!("INFO", None, false, $($arg)*); }}
+}
+
 /// Log a debug/trace line when verbose level is at least the given level (u8).
 #[macro_export]
 macro_rules! dlog {
     ($lvl:expr, $($arg:tt)*) => {{
-        if !$crate::is_quiet() && $crate::verbose_level() >= $lvl { eprintln!("DEBUG{}: {}", $lvl, format!($($arg)*)); }
+        $crate::log_with_level!(&format!("DEBUG{}", &$lvl), Some($lvl), false, $($arg)*);
     }}
 }
 

src/main.rs

@@ -761,6 +761,9 @@ mod tests {
     use polyscribe::format_srt_time;
     use std::env as std_env;
     use std::fs;
+    use std::sync::{Mutex, OnceLock};
+
+    static ENV_LOCK: OnceLock<Mutex<()>> = OnceLock::new();
 
     #[test]
     fn test_cli_name_polyscribe() {
@@ -935,8 +938,6 @@ mod tests {
 
     #[test]
     fn test_backend_auto_order_prefers_cuda_then_hip_then_vulkan_then_cpu() {
-        use std::sync::{Mutex, OnceLock};
-        static ENV_LOCK: OnceLock<Mutex<()>> = OnceLock::new();
         let _guard = ENV_LOCK.get_or_init(|| Mutex::new(())).lock().unwrap();
         // Clear overrides
         unsafe {
@@ -976,8 +977,6 @@ mod tests {
 
     #[test]
     fn test_backend_explicit_missing_errors() {
-        use std::sync::{Mutex, OnceLock};
-        static ENV_LOCK: OnceLock<Mutex<()>> = OnceLock::new();
         let _guard = ENV_LOCK.get_or_init(|| Mutex::new(())).lock().unwrap();
         // Ensure all off
         unsafe {

src/models.rs

@@ -735,6 +735,20 @@ fn download_one_model(client: &Client, models_dir: &Path, entry: &ModelEntry) ->
     Ok(())
 }
 
+// Update locally stored models by re-downloading when size or hash does not match online metadata.
+fn qlog_size_comparison(fname: &str, local: u64, remote: u64) -> bool {
+    if local == remote {
+        qlog!("{} appears up-to-date by size ({}).", fname, remote);
+        true
+    } else {
+        qlog!(
+            "{} size {} differs from remote {}. Updating...",
+            fname, local, remote
+        );
+        false
+    }
+}
+
 /// Update locally stored models by re-downloading when size or hash does not match online metadata.
 pub fn update_local_models() -> Result<()> {
     let models_dir_buf = crate::models_dir_path();
@@ -815,17 +829,10 @@ pub fn update_local_models() -> Result<()> {
                 download_one_model(&client, models_dir, remote)?;
             } else if remote.size > 0 {
                 match std::fs::metadata(&path) {
-                    Ok(md) if md.len() == remote.size => {
-                        qlog!("{} appears up-to-date by size ({}).", fname, remote.size);
-                        continue;
-                    }
                     Ok(md) => {
-                        qlog!(
-                            "{} size {} differs from remote {}. Updating...",
-                            fname,
-                            md.len(),
-                            remote.size
-                        );
+                        if qlog_size_comparison(&fname, md.len(), remote.size) {
+                            continue;
+                        }
                         download_one_model(&client, models_dir, remote)?;
                     }
                     Err(e) => {