Add rename photos script

.scripts/renamePhotos.py

@@ -0,0 +1,39 @@
+#!/usr/bin/env python3
+# -*- coding: utf-8 -*-
+
+"""
+Program which should rename photo files according to their creation date.
+"""
+
+import os
+import exifread
+from datetime import datetime
+
+image_ext = ['.jpg', '.jpeg', '.cr2', '.cr3' '.nef', '.dng']
+
+
+def get_creation_date(image_file_path):
+    with open(image_file_path, 'rb') as my_picture:
+        tags = exifread.process_file(my_picture)
+        try:
+            return datetime.strptime(str(
+                tags.get('EXIF DateTimeOriginal')),
+                '%Y:%m:%d %H:%M:%S')
+        except ValueError:
+            print("No value for ", image_file)
+            return
+
+
+image_files = [ifile for ifile in os.listdir('.')
+               if os.path.splitext(ifile)[1].lower() in image_ext]
+
+for image_file in image_files:
+
+    file_basename, file_ext = os.path.splitext(image_file)
+
+    picture_date = get_creation_date(image_file)
+
+    if picture_date:
+        rename_name = picture_date.strftime('GT_%Y%m%d-%H%M%S_') + file_basename + file_ext
+        if not os.path.exists(rename_name):
+            os.rename(image_file, rename_name)