Meta: Port several things common to various Python scripts to a new website module

scripts/new-photo-post

@@ -9,20 +9,16 @@ import argparse
 import datetime
 import json
 import os.path
-import re
 import shutil
 import subprocess
 from PIL import Image
 from PIL.ExifTags import TAGS
 from typing import Optional
+from website.metadata import slugify
+
 
 PHOTOS_CONTENT_DIR = 'content/photos'
 
-def slugify(s):
-    s = s.strip().lower()
-    s = re.sub(r'\s+', '-', s)
-    s = re.sub(r'[‘’“”"\'()]', '', s)
-    return s
 
 def parse_args(argv, *a, **kw):
     parser = argparse.ArgumentParser(*a, **kw)
@@ -34,6 +30,7 @@ def parse_args(argv, *a, **kw):
     args = parser.parse_args(argv)
     return args
 
+
 def main(argv):
     args = parse_args(argv[1:], prog=argv[0])
 
@@ -145,6 +142,7 @@ def main(argv):
             print(f'Failed to copy {photo}', file=sys.stderr)
             return -2
 
+
 if __name__ == '__main__':
     import sys
     result = main(sys.argv)