add function close_printer

app/reporting.py

@@ -200,6 +200,11 @@ class Receipt(object):
                 status = True
         return status
 
+    def close_printer(self):
+        # only close printer in interfaces correct
+        if self._interface == 'usb' and '/dev/usb/' not in self._device:
+            self._printer.close()
+
     def set_printer(self):
         try:
             status = self.check_status(self._interface, self._device)
@@ -316,7 +321,7 @@ class Receipt(object):
         self._printer.ln(3)
         self._printer.cut()
         self._printer.ln(2)
-        self._printer.close()
+        # self._printer.close()
 
     def print_line(self, *args):
         text = ''
@@ -473,7 +478,7 @@ class Receipt(object):
                         self._printer.textln('NOTA:' + ln.get('note'))
                     self._printer.ln(2)
                 self._printer.cut()
-                self._printer.close()
+                self.close_printer()
             except Exception as e:
                 print(e)
                 traceback.print_exc()

test_reporting.py

@@ -9,8 +9,8 @@ from app.reporting import Receipt
 fake_data = {
     "12": {
         "printer": {
-            "device": "172.16.10.31",
-            "interface": "network",
+            "device": "/dev/usb/lp1",
+            "interface": "usb",
             "profile": "",
             "row_characters": None
         },