feat: lyrics for youtube music

music_kraken/utils/__init__.py

@@ -3,7 +3,7 @@ from pathlib import Path
 import json
 import logging
 import inspect
-from typing import List
+from typing import List, Union
 
 from .shared import DEBUG, DEBUG_LOGGING, DEBUG_DUMP, DEBUG_TRACE, DEBUG_OBJECT_TRACE, DEBUG_OBJECT_TRACE_CALLSTACK
 from .config import config, read_config, write_config
@@ -77,6 +77,37 @@ def object_trace(obj):
 misc functions
 """
 
+def traverse_json_path(data, path: Union[str, List[str]], default=None):
+    """
+    Path parts are concatenated with . or wrapped with [""] for object keys and wrapped in [] for array indices.
+    """
+
+    if isinstance(path, str):
+        path = path.replace('["', '.').replace('"]', '.').replace("[", ".").replace("]", ".")
+        path = [p for p in path.split(".") if len(p) > 0]
+
+    if len(path) <= 0:
+        return data
+
+    current = path[0]
+    path = path[1:]
+
+    new_data = None
+
+    if isinstance(data, dict):        
+        new_data = data.get(current)
+
+    elif isinstance(data, list):
+        try:
+            new_data = data[int(current)]
+        except (IndexError, ValueError):
+            pass
+
+    if new_data is None:
+        return default
+
+    return traverse_json_path(data=new_data, path=path, default=default)
+
 _auto_increment = 0
 def generate_id() -> int:
     global _auto_increment