feat: add Utils.snake_to_pascal() & Utils.pascal_to_snake()

docs/api/utils/str_cases.rst

@@ -0,0 +1,6 @@
+String Cases
+=============
+
+.. autofunction:: ignis.utils.Utils.snake_to_pascal
+
+.. autofunction:: ignis.utils.Utils.pascal_to_snake

ignis/utils/__init__.py

@@ -24,6 +24,7 @@
 from .socket import send_socket, listen_socket
 from .debounce import DebounceTask, debounce
 from .get_monitors import get_monitors
+from .str_cases import snake_to_pascal, pascal_to_snake
 
 
 class Utils:
@@ -54,3 +55,5 @@ class Utils:
     DebounceTask = DebounceTask
     debounce = debounce
     get_monitors = get_monitors
+    snake_to_pascal = snake_to_pascal
+    pascal_to_snake = pascal_to_snake

ignis/utils/str_cases.py

@@ -0,0 +1,21 @@
+import re
+
+
+def snake_to_pascal(string: str) -> str:
+    """
+    Convert a `snake_case` string to `PascalCase`.
+
+    Args:
+        string: the string to convert.
+    """
+    return string.replace("_", " ").title().replace(" ", "")
+
+
+def pascal_to_snake(string: str) -> str:
+    """
+    Convert a `PascalCase` string to `snake_case`.
+
+    Args:
+        string: the string to convert.
+    """
+    return re.sub(r"(?<!^)(?=[A-Z])", "_", string).lower()