Remove parentheses from candidate title when match initially fails

Track titles may have parentheses in them that note that the song features another artist (eg. (feat. artist)).

This means that, if a track title has this note on Spotify, but not Deezer (or vice versa), the "is title matching" check fails.

This is fixed by removing these notes from the title when comparing.

deezspot/deezloader/__init__.py

@@ -72,6 +72,11 @@ def _sim(a: str, b: str) -> float:
         return 0.0
     return SequenceMatcher(None, a, b).ratio()
 
+# Clean for searching on Deezer
+def _remove_parentheses(string: str) -> str:
+    # remove () and [] and {}, as well as anything inside
+    return re.sub(r'\{[^)]*\}', '', re.sub(r'\[[^)]*\]', '', re.sub(r'\([^)]*\)', '', string)))
+
 API()
 
 # Create a logger for the deezspot library
@@ -445,7 +450,15 @@ class DeeLogin:
             candidates = []
         
         for cand in candidates:
-            if max(_sim(spo_title, cand.get('title', '')), _sim(spo_title, cand.get('title_short', ''))) < 0.90:
+            title_match_1 = max(
+                _sim(spo_title, dz_json.get('title', '')),
+                _sim(spo_title, dz_json.get('title_short', ''))
+            )
+            title_match_2 = max(
+                _sim(_remove_parentheses(spo_title), _remove_parentheses(dz_json.get('title', ''))),
+                _sim(_remove_parentheses(spo_title), _remove_parentheses(dz_json.get('title_short', '')))
+            )
+            if max(title_match_1, title_match_2) < 0.90:
                 continue
             c_id = cand.get('id')
             if not c_id: