automatically open/close when cutting

printer.py

@@ -67,8 +67,19 @@ class Split2Context:
 class ReceiptPrinter(CupsPrinter):
     def __init__(self, *args, autocut=True, **kwargs):
         self.autocut = autocut
+        self.is_open = False
         super().__init__(*args, **kwargs)
 
+    def open(self):
+        if not self.is_open:
+            super().open()
+            self.is_open = True
+
+    def close(self):
+        if self.is_open:
+            super().close()
+            self.is_open = False
+
     def __enter__(self):
         self.open()
         return self
@@ -78,6 +89,14 @@ class ReceiptPrinter(CupsPrinter):
             self.cut()
         self.close()
 
+    def cut(self, *args, **kwargs):
+        if not self.is_open:
+            self.open()
+            super().cut(*args, **kwargs)
+            self.close()
+        else:
+            super().cut(*args, **kwargs)
+
     def set(self, *args, **kwargs):
         super().set(*args, **kwargs)
         return CallbackContext(exit=super().set_with_default)