Add pathclass.drive for convenient splitdrive.

voussoirkit/pathclass.py

@@ -139,6 +139,10 @@ class Path:
     def dot_extension(self):
         return self.extension.with_dot
 
+    @property
+    def drive(self):
+        return os.path.splitdrive(self.absolute_path)[0]
+
     @property
     def exists(self):
         return os.path.exists(self.absolute_path)