sane-tag-music: special-case some romanizations

pkgs/additional/sane-scripts/src/sane-tag-music

@@ -82,8 +82,13 @@ def clean_for_fs(a: str, single_field: bool=False) -> str:
     preserve = 'abcdefghijklmnopqrstuvwxyz0123456789._-'
     # ampersand, like: PLS&TY; &I
     a = a.replace("&", "And")
-    a = a.replace("é", "e")
+    a = a.replace("かめりあ", "Camellia")  # else `unidecode` sets it to kameria
     a = unidecode(a)
+    # these diacritic replacements might be unnecessary now that i'm using unidecode?
+    a = a.replace("é", "e")
+    a = a.replace("ä", "a")
+    a = a.replace("ö", "o")
+    a = a.replace("ü", "u")
     a = a.strip()
     a = a.replace(" ", ".")
     if single_field:
@@ -425,16 +430,13 @@ class ImageFile(MediaFile):
         return ImageFile._exiftool
 
     def tags_on_disk(self) -> Tags:
-        # print(self.exif)
+        def get_tag_(name: str) -> list:
-        def get_tag(name: str) -> list:
+            if self.exif.get(name) is not None:
-            if name in self.exif:
+                return [ str(self.exif[name]) ]
-                return [ self.exif[name] ]
-            elif f"EXIF:{name}" in self.exif:
-                return [ self.exif[f"EXIF:{name}"] ]
-            elif f"XMP:{name}" in self.exif:
-                return [ self.exif[f"XMP:{name}"] ]
             else:
                 return []
+        def get_tag(name: str) -> list:
+            return get_tag_(name) + get_tag_(f"EXIF:{name}") + get_tag_(f"XMP:{name}")
 
         return Tags(
             artist=get_tag("Photographer"),