From b1a1204bb8c53444fa9189e4e5991782d2c0c72f Mon Sep 17 00:00:00 2001
From: belono <tiotil.lindeman@gmail.com>
Date: Fri, 14 Apr 2023 12:36:15 +0200
Subject: [PATCH] Add _read() method to the CupsPrinter() connector

---
 src/escpos/printer.py | 11 +++++++++++
 1 file changed, 11 insertions(+)

diff --git a/src/escpos/printer.py b/src/escpos/printer.py
index 06e48a2..f2fbe6e 100644
--- a/src/escpos/printer.py
+++ b/src/escpos/printer.py
@@ -523,6 +523,17 @@ if _CUPSPRINT:
             self.tmpfile.close()
             self.pending_job = False
 
+        def _read(self):
+            """Return a single-item array with the accepting state of the print queue.
+
+            states: idle = [3], printing a job = [4], stopped = [5]
+            """
+            printer = self.printers.get(self.printer_name, {})
+            state = printer.get("printer-state")
+            if not state:
+                return []
+            return [state]
+
         def close(self):
             """Close CUPS connection.