feat(label): Switch to POST request

inventree_phomemo/phomemo_label.py

@@ -5,8 +5,7 @@ from django.core.validators import MaxValueValidator
 from django.http import JsonResponse
 
 # printer support
-import socket
-import json
+import requests
 
 # barcode helpers
 from InvenTree.helpers_model import getModelsWithMixin
@@ -28,15 +27,10 @@ class PhomemoLabelPlugin(LabelPrintingMixin, BarcodeMixin, SettingsMixin, InvenT
     TITLE = "Phomemo Label Printer"
 
     SETTINGS = {
-        'IP_ADDRESS': {
-            'name': _('IP Address'),
-            'description': _('IP address of phomemo print server'),
-            'default': '',
-        },
-        'PORT': {
-            'name': _('Port'),
-            'description': _('Port of phomemo print server'),
-            'default': '9100',
+        'URL': {
+            'name': _('URL'),
+            'description': _('URL of the print endpoint'),
+            'default': 'http://localhost:8080/print',
         },
     }
 
@@ -85,21 +79,11 @@ class PhomemoLabelPlugin(LabelPrintingMixin, BarcodeMixin, SettingsMixin, InvenT
             outputs.append(self.get_fields(label))
 
         # Read settings
-        ip_address = self.get_setting('IP_ADDRESS')
-        port = int(self.get_setting('PORT'))
-
-        # Dump to json
-        data = json.dumps(outputs)
+        url = self.get_setting('URL')
 
         # Send the label to the printer
-        try:
-            print_socket = socket.socket(socket.AF_INET, socket.SOCK_STREAM)
-            print_socket.settimeout(5)
-            print_socket.connect((ip_address, port))
-            print_socket.sendall(bytes(data,encoding="utf-8"))
-            print_socket.close()
-        except Exception as error:
-            raise ConnectionError('Error connecting to printer server: ' + str(error))
+        r = requests.post(url, json=outputs)
+        r.raise_for_status()
         
         return JsonResponse({
             'success': True,