diff --git a/audiobook_metadata/metadata_audiobooks_library.py b/audiobook_metadata/metadata_audiobooks_library.py
index 4e302fa..f437644 100755
--- a/audiobook_metadata/metadata_audiobooks_library.py
+++ b/audiobook_metadata/metadata_audiobooks_library.py
@@ -11,31 +11,10 @@ import sqlite3
 from collections import defaultdict
 from concurrent.futures import ThreadPoolExecutor, as_completed
 from pathlib import Path
-
-RED = "\033[91m"
-GREEN = "\033[92m"
-YELLOW = "\033[93m"
-BLUE = "\033[94m"
-RESET = "\033[0m"
-TRACE = 5
-
-
-class CustomLogger(logging.Logger):
-    def trace(self, msg: str, *args, **kwargs) -> None:
-        if self.isEnabledFor(TRACE):
-            self._log(TRACE, msg, args, **kwargs)
-
+from serverlibrary import CustomLogger
 
 logging.setLoggerClass(CustomLogger)
 logger: CustomLogger = logging.getLogger(__name__)  # type: ignore[assignment]
-LOG_LEVELS = {
-    "TRACE": TRACE,
-    "DEBUG": logging.DEBUG,
-    "INFO": logging.INFO,
-    "WARNING": logging.WARNING,
-    "ERROR": logging.ERROR,
-    "CRITICAL": logging.CRITICAL,
-}
 
 metadata_fields = ["artist", "album", "composer", "comment", "genre", "grouping", "album artist", "description"]
 audio_extensions = {"*.m4b", "*.m4a", "*.mp3", "*.flac", "*.ogg", "*.opus"}
@@ -427,7 +406,7 @@ class Audiobook:
         output_file_final = self.bookPath / f"{self.bookPath.name}.m4b"
 
         if output_file_final.exists():
-            logger.info(f"{RED}[SKIP]{RESET} {output_file_final}")
+            logger.info(f"{red}[SKIP]{reset} {output_file_final}")
             logger.info("Book already present")
             return
 
@@ -586,7 +565,7 @@ class Audiobook:
 
             if result.returncode == 234:
                 logger.warning(
-                    f"{YELLOW}[WARNING]{RESET} - {self.bookPath.name} -  {result.returncode} retrying with aac encoder"
+                    f"{yellow}[WARNING]{reset} - {self.bookPath.name} -  {result.returncode} retrying with aac encoder"
                 )
                 result = subprocess.run(
                     cmd_backup,
@@ -609,11 +588,11 @@ class Audiobook:
                 self.changed = False
                 self.size = Path(output_file_final).stat().st_size
                 logger.info(
-                    f"{GREEN}[SUCCESS]{RESET} - {self.bookPath.name} - delete media files"
+                    f"{green}[SUCCESS]{reset} - {self.bookPath.name} - delete media files"
                 )
             else:
                 logger.error(
-                    f"{RED}[ERROR]{RESET} - {self.bookPath.name} - Code: {result.returncode}, Stderr: {result.stderr}"
+                    f"{red}[ERROR]{reset} - {self.bookPath.name} - Code: {result.returncode}, Stderr: {result.stderr}"
                 )
 
     def write_metadata(self, keys=None, dry_run=False):