font-patcher: Fix escaping warnings

[why]
Some strings have broken format, because the string should contain a
verbatim backslash.

It seems this is a new warning for Python 3.12

[how]
Use raw strings or escape the escape character via '\\'

Signed-off-by: Fini Jastrow <ulf.fini.jastrow@desy.de>

bin/scripts/name_parser/FontnameTools.py

@@ -211,7 +211,7 @@ def postscript_char_filter(name):
         ( '(.*dyslexic ?m)ono',         r'\1'), # Open Dyslexic Mono -> Open Dyslexic M
         ( '(overpass ?m)ono',           r'\1'), # Overpass Mono -> Overpass M
         ( '(proggyclean) ?tt',          r'\1'), # Remove TT from ProggyClean
-        ( '(terminess) ?\(ttf\)',       r'\1'), # Remove TTF from Terminus (after renamed to Terminess)
+        ( '(terminess) ?(ttf)',         r'\1'), # Remove TTF from Terminus (after renamed to Terminess)
         ( '(.*ne)on',                   r'\1'), # Monaspace shorten face name
         ( '(.*ar)gon',                  r'\1'), # Monaspace shorten face name
         ( '(.*kr)ypton',                r'\1'), # Monaspace shorten face name
@@ -399,7 +399,7 @@ def parse_font_name(name):
                 ('Bold-Italic', 'BoldItalic'), # Terminus
             ]:
             name = re.sub(r'\b' + special[0] + r'\b', special[1], name, 1, re.IGNORECASE)
-        name = re.sub('[_\s]+', ' ', name)
+        name = re.sub(r'[_\s]+', ' ', name)
         matches = re.match(r'([^-]+)(?:-(.*))?', name)
         familyname = FontnameTools.camel_casify(matches.group(1))
         style = matches.group(2)

font-patcher

@@ -6,7 +6,7 @@
 from __future__ import absolute_import, print_function, unicode_literals
 
 # Change the script version when you edit this script:
-script_version = "4.14.2"
+script_version = "4.14.3"
 
 version = "3.2.1"
 projectName = "Nerd Fonts"
@@ -429,7 +429,7 @@ class font_patcher:
                 sanitize_filename(self.args.outputdir, True),
                 sanitize_filename(create_filename(sourceFonts)) + ".ttc"))
             sourceFonts[0].generateTtc(outfile, sourceFonts[1:], flags=gen_flags, layer=layer)
-            message = "   Generated {} fonts\n   \===> '{}'".format(len(sourceFonts), outfile)
+            message = "   Generated {} fonts\n   \\===> '{}'".format(len(sourceFonts), outfile)
         else:
             fontname = create_filename(sourceFonts)
             if not fontname:
@@ -445,10 +445,10 @@ class font_patcher:
                 logger.debug("=====> Filename '%s'", outfile)
                 return
             sourceFont.generate(outfile, bitmap_type=bitmaps, flags=gen_flags)
-            message = "   {}\n   \===> '{}'".format(sourceFont.fullname, outfile)
+            message = "   {}\n   \\===> '{}'".format(sourceFont.fullname, outfile)
 
         # Adjust flags that can not be changed via fontforge
-        if re.search('\\.[ot]tf$', self.args.font, re.IGNORECASE) and re.search('\\.[ot]tf$', outfile, re.IGNORECASE):
+        if re.search(r'\.[ot]tf$', self.args.font, re.IGNORECASE) and re.search(r'\.[ot]tf$', outfile, re.IGNORECASE):
             if not os.path.isfile(outfile) or os.path.getsize(outfile) < 1:
                 logger.critical("Something went wrong and Fontforge did not generate the new font - look for messages above")
                 sys.exit(1)
@@ -2062,7 +2062,7 @@ def setup_arguments():
         args.extension = os.path.splitext(args.font)[1]
     else:
         args.extension = '.' + args.extension
-    if re.match("\.ttc$", args.extension, re.IGNORECASE):
+    if re.match(r'\.ttc$', args.extension, re.IGNORECASE):
         if not is_ttc:
             logger.critical("Can not create True Type Collections from single font files")
             sys.exit(1)