feat:use context manager to open and close clipboard automatically

clipette/__init__.py

@@ -26,6 +26,7 @@
 from os.path import join as path_join
 from sys import getfilesystemencoding
 import utils
+from contextlib import contextmanager
 
 
 class ClipetteWin32ClipboardError(Exception):
@@ -97,6 +98,19 @@ def close_clipboard() -> int:
     """
     return utils.user32.CloseClipboard()
 
+@contextmanager
+def clipboard():
+    """
+    Context manager to open and close clipboard automatically.
+
+    :return: if function fails, 1 otherwise.
+    :rtype: int
+    """
+    res = open_clipboard()
+    yield res
+    if res: close_clipboard()
+
+
 def empty_clipboard() -> int:
     """
     Empties clipboard. Should be called before any setter actions.

example.py

@@ -2,4 +2,9 @@
 if clipette.open_clipboard():
     clipette.empty_cliboard()
     clipette.set_UNICODETEXT("<some text>")
-    clipette.close_clipboard()
+    clipette.close_clipboard()
+
+# safe clipboard
+with clipette.clipboard():
+    clipette.empty_cliboard()
+    clipette.set_UNICODETEXT("<some text>")