display path in plugin details

Fixes #2294

InvenTree/plugin/integration.py

@@ -6,6 +6,7 @@ import os
 import subprocess
 import inspect
 from datetime import datetime
+import pathlib
 
 from django.conf.urls import url, include
 from django.conf import settings
@@ -337,6 +338,13 @@ class IntegrationPluginBase(MixinBase, plugin.InvenTreePlugin):
         name = getattr(self, 'WEBSITE', None)
         return name
 
+    @property
+    def package_path(self):
+        """returns the path to the plugin"""
+        if self._is_package:
+            return self.__module__
+        return pathlib.Path(self.def_path).relative_to(settings.BASE_DIR)
+
     # mixins
     def mixin(self, key):
         """check if mixin is registered"""

InvenTree/templates/InvenTree/settings/plugin_settings.html

@@ -71,6 +71,11 @@
                     {% endif %}
                 </td>
             </tr>
+            <tr>
+                <td></td>
+                <td>{% trans "Installation path" %}</td>
+                <td>{{ plugin.package_path }}</td>
+            </tr>
             {% if plugin.is_package == False %}
             <tr>
                 <td><span class='fas fa-user'></span></td>