Move conversion code into separate module

convert_file_encoding.py

@@ -0,0 +1,33 @@
+import os
+import sys
+
+
+def convert_encoding(filepath):
+    try:
+        with open(filepath, 'r', encoding='cp1251', errors='strict') as f:
+            content = f.read()
+        
+        with open(filepath, 'w', encoding='utf-8', errors='strict') as f:
+            f.write(content)
+            
+        print(f"Success: {filepath}")
+        
+    except UnicodeDecodeError:
+        print(f"Error: {filepath} - not cp1251 encoded")
+    except Exception as e:
+        print(f"Error: {filepath} - {str(e)}")
+
+
+def process_directory(root_dir):
+    if not os.path.isdir(root_dir):
+        print(f"Error: '{root_dir}' is not a valid directory")
+        sys.exit(1)
+
+    for root, _, files in os.walk(root_dir):
+        for file in files:
+            if file.endswith(('.cue', '.log')):
+                file_path = os.path.join(root, file)
+                convert_encoding(file_path)
+
+def execute(args):
+    process_directory(args.directory)

music-tools.py

@@ -1,33 +1,14 @@
 #!/usr/bin/env python3
 
-import os
-import sys
 import argparse
-
-def convert_encoding(filepath):
-    try:
-        with open(filepath, 'r', encoding='cp1251', errors='strict') as f:
-            content = f.read()
-        
-        with open(filepath, 'w', encoding='utf-8', errors='strict') as f:
-            f.write(content)
-            
-        print(f"Success: {filepath}")
-        
-    except UnicodeDecodeError:
-        print(f"Error: {filepath} - not cp1251 encoded")
-    except Exception as e:
-        print(f"Error: {filepath} - {str(e)}")
-
-def process_directory(root_dir):
-    for root, _, files in os.walk(root_dir):
-        for file in files:
-            if file.endswith(('.cue', '.log')):
-                file_path = os.path.join(root, file)
-                convert_encoding(file_path)
+import convert_file_encoding
 
 if __name__ == "__main__":
-    parser = argparse.ArgumentParser(
+    top_parser = argparse.ArgumentParser()
+    subparsers = top_parser.add_subparsers()
+    
+    parser = subparsers.add_parser(
+        'convert',
         description='Recursively convert .cue and .log files from cp1251 to utf-8',
         epilog='Example: python convert_encoding.py /path/to/directory'
     )
@@ -36,11 +17,9 @@ if __name__ == "__main__":
         type=str,
         help='Path to target directory for conversion'
     )
+    parser.set_defaults(func=convert_file_encoding.execute)
     
-    args = parser.parse_args()
-    
-    if not os.path.isdir(args.directory):
-        print(f"Error: '{args.directory}' is not a valid directory")
-        sys.exit(1)
-    
-    process_directory(args.directory)
+    args = top_parser.parse_args()
+    print(args)
+    args.func(args)
+