refactor image resizer to support better control over redimension, threads, logging and output of images

Author: D10f

batch_resizer/main.py

@@ -12,6 +12,7 @@
 import re
 
 from logger import Logger
+from help import print_help
 
 CURRENT_VERSION = '1.0.0'
 VALID_FORMATS = ['.jpg', '.jpeg', '.png', '.webp']
@@ -27,6 +28,9 @@
 def main():
     args = parse_arguments()
 
+    if args.help:
+        return print_help()
+
     if args.verbose:
         log.set_verbosity(args.verbose)
 
@@ -128,7 +132,7 @@ def process_image(img_path, formats=None, width=None, height=None, dest=None):
         # Output one file per format
         for f in output_formats:
 
-            # If img is being resized, append new dimensions to output filename
+            # If img was resized, append new dimensions to output filename
             if width or height:
                 dimensions = f'_{img.width}-{img.height}'
                 img_path = pathlib.Path(img_path.stem + dimensions)
@@ -189,6 +193,9 @@ def parse_arguments():
         action='version',
         version=f'%(prog)s v{CURRENT_VERSION}'
     )
+    parser.add_argument('--help',
+        action='store_true',
+    )
 
     return parser.parse_args()